.

ILLINOIS POLLUTION CONTROL BOARD

September

6,

2001

IN THE MATTER OF:

)

)

PROPOSED AMENDMENTS TO

TIEED

)

ROO-l9(C)

APPROACH TO CORRECTIVE ACTION

)

(Rulemaking

-

Land)

OBJECTIVES (TACO) (MTBE): 35 ILL.

)

ADM.

CODE 742

)

Proposed Rule. First Notice.

OPINION AND ORDER OF THE BOARD (by

E.Z. Kezelis, N.J. Melas, R.C.

Flemal):

On May 15, 2000, the Illinois Environmental Protection Agency (Agency) filed a

proposal to amend 35 111.

Adm.

Code 742

of

the Board’s land regulations, commonly referred

to as the Tiered Approach to Corrective Action Objectives (TACO) rules.

The Board accepted

this matter for hearing on May 18,2000. On July 27,2000, the Board moved the Agency’s

proposed rulemaking to first notice. In doing so, the Board divided the proposal into two

subdsckets, A and

B.‘ This Subdocket C was opened by the Board on June 7,

2001; for the

purpose of addressing the proposed cleanup standards for methyl tertiary-butyl

eth-er (MTBE)

that were originally contained in Subdocket B. It is these proposed MTBE cleanup standards,

that

the Board

is

adopting today for first notice.

.

The cleanup standards for MTBE were originally proposed at first notice as part of the

Board’s first-notice opinion and order in

R00-19(B). See Proposed Amendments to,

Tiered

Approach

to Corrective Action Objectives (TACO): 35

Ill. Adm. Code 742,

R00-19(B) (July 27,

2000). By creating a separate Subdocket

C

for the MTBE amendments, the Board intends to

.

coordinate this rulemaking with another pending Agency proposal that would add groundwater

quality

standaxds for MTBE.

See

generaZZy

Proposed MTBE Groundwater

Quality Standards

Amendments: 35

Ill.

Adm. Code 620,

R01-14.

By today’s action, and pursuant to the Administrative Procedures Act

(5

ILCS

100/1-1

et

seq.

(2000)),

the Board proposes new cleanup standards for MTBE. The proposed amendments

will be published in the

Illinois Register,

whereupon a 45-day public comment period will begin.

During the public comment period, any interested persons may file public comments with the

Board pertaining to this proposal.

PROCEDURAL HISTORY

The Subdocket A amendments were adopted on December 21, 2000 (Proposed Amendments

to Tiered Approach to Corrective Action

0b.jectives (TACO): 35

Ill. Adm. Code 742,

ROO-

19(A)), and the Subdocket B amendments were adopted on July 26, 2001 (Proposed

Amendments to Tiered Approach to Corrective Action Objectives (TACO): 35

111.

Adm. Code

742,

ROO-l9(B)).

---

2

PROCEDURAL

HISTORY

While

public hearings have not yet been held in this Subdocket specifically, three public

hearings were held in Subdockets A and B. At the time of the public hearings, the proposed

MTBE cleanup standards were part of Subdocket

€3.

The first and third hearings were held in

Chicago on August 25,2000 and September 21,2000. The second hearing was held in

Springfield on September

1

1,2000.

At the August 25,2000 hearing, the Agency presented testimony from a number of

witnesses. Douglas Clay, Manager of the Leaking Underground Storage Tank Section of the

Agency’s Bureau of Land, Thomas Hornshaw, Senior Public Service Administrator and Manager

of the Toxicity Assessment Unit, Office of Chemical Safety, and Richard Cobb, Manager of the

Groundwater Section of the Agency’s Bureau of Water, testified regarding the proposed

addition of MTBE cleanup standards. During the September

11

,

2000 hearing, Mr. Clay and Mr.

Cobb both testified regarding the proposed MTBE standards on behalf of the Agency, and David

Sykuta testified on behalf of the Illinois Petroleum Council. The Agency also submitted the

following two exhibits at hearing:

Exhibit No.

Exhibit Name

Agency Exh. 1

Group exhibit consisting of prefiled

Testimony of Agency witnesses

Agency Exh. 2

“Basis for Proposing a Preventive

Notice and Response Level for MTBE

In 35

Ill.

Adm.

Code

620”2

The Board hereby incorporates by reference those exhibits, transcripts, and public

comments

from Subdockets A and B into this Subdocket C proceeding.

PROPOSED MTBE STANDARDS

The Agency stated that it was proposing to add cleanup standards for MTBE as a result

of increasing national concern over the growing number of community water supplies that test

positive for MTBE contamination. Stat. of Reas. at

2-3.

In his testimony, Mr. Clay reiterated

that the “proposal arose as a result of increased national health

concerns.’y Agency Exh. 1

(Clay) at 1.

The proposed cleanup standards and chemical and physical parameters for MTBE are

found in the appendices to Part 742 as follows: Appendix A, Table A (soil saturation limits);

Appendix A, Table E (similar-acting noncarcinogenic chemicals); Appendix B, Table A (soil

remediation objectives for residential properties); Appendix B, Table B (soil remediation

For purposes of this opinion and order, references to “Agency Exh. 1” will specify the name

of the witness providing the quoted testimony, such as, “Agency Exh. 1 (Clay) at

-

.”

The

Agency’s Statement of Reasons is referred to as “Stat. of Reas. at

-

.”

---

3

objectives for

industrial/commercial properties); Appendix B, Table E (groundwater

remediation objective for groundwater component of groundwater ingestion route); Appendix

B, Table F (values used to calculate the Tier 1 soil remediation objective for the soil

component of groundwater ingestion route); and Appendix C, Table E (default physical and

chemical parameters).

As

background information, Mr. Clay testified as follows:

MTBE is a volatile, organic chemical. Since the late

1970’s, MTBE has been

used as an octane enhancer in

gasoline. Because it promotes more complete

burning of gasoline, thereby reducing carbon monoxide and ozone levels, it is

commonly used as a gasoline additive in localities with air quality concerns. In

the Clean Air Act of 1990

(“CAA”), Congress mandated the use of

reformulated gasoline

(“RFG”) in areas of the country with the worst ozone or

smog problems. RFG must meet certain technical specifications set forth in the

CAA, including a specific oxygen content. Ethanol and MTBE are the primary

oxygenates used to meet the oxygen content requirement. MTBE is used in

about 84

%

of RFG supplies. Prior to December 1997, 32 areas in a total of 18

states were participating in the RFG program. During this same period, RFG

accounted for about 30% of gasoline nationwide. Agency Exh. 1 (Clay) at 2-3.

Mr. Clay also testified that MTBE is now being detected in increasing quantities in the

environment. Agency Exh. 1 (Clay) at 3. Mr. Clay testified that, as of August 2000, 26 of

1,200

cornunity water supplies in Illinois tested positive for MTBE contamination.

Id.

Four

of the 26

community water supplies had to discontinue use of groundwater wells as a result of

the MTBE contamination.

Id.;

Tr.

(8/25/00) at 79. He testified that MTBE is ”a big

issue

. . .

[and has] been a big issue for a number of years.” Tr.

(8/25/00) at 117.

According to Mr. Clay, MTBE contamination is problematic because MTBE disperses

rapidly and degrades slowly. Agency Exh. 1 (Clay) at 4. Furthermore, once in groundwater,

MTBE is difficult to clean up. Tr.

(8/25/00) at 119.

While most of the MTBE-contaminated drinking water in Illinois is not thought to pose

a threat to human health, Mr. Clay noted that the United States Environmental Protection

Agency

(USEPA) is continuing to evaluate the potential risks to human health from MTBE.

Tr.

(8/25/00) at 119. Mr. Clay explained that,

“[olne of the main concerns is determining

what is the

cancer-causing potential of MTBE,” noting that there is evidence “that MTBE

caused cancer in laboratory rats.

”

Id.

In addition to the potential risk to human health, Mr. Clay also testified that consumers

of drinking water are able to detect MTBE through taste and smell at concentrations of as little

as 20 to 40 parts per billion

@pb), Agency Exh. 1 (Clay) at 4. Mr. Clay commented that

MTBE is described as tasting and smelling like turpentine.

Id.

However, since MTBE has not

---

4

previously been a contaminant for which sampling is required, there is little data on the actual

presence or extent of MTBE contamination in Illinois.

Id.

In support of the proposed MTBE cleanup standards, Mr. Clay testified about a “Blue

Ribbon Panel” (panel) appointed by former United States

Environmental Protection Agency

(USEPA) Administrator Carol Browner. Specifically, Mr. Clay noted that the panel concluded

that “MTBE is more likely to contaminate groundwater and surface water than the other

components of gasoline [and]

[olnce MTBE is in groundwater, its physical and chemical

properties make it very difficult to remediate.” Agency Exh. 1 (Clay) at 5, citing generally

Clay Exh.

27.3

Dr

.

Hornshaw provided testimony regarding the “toxicological bases for the proposed

remediation objectives.” Agency Exh. 1 (Hornshaw) at 2. In support of the proposed

standards, Dr. Hornshaw noted the “increased incidence of diarrhea and increased level of

cholesterol in the blood of laboratory rats for the soil and groundwater ingestion pathways and

liver and kidney effects for the inhalation pathway.

”

Id.

Dr

.

Hornshaw stated that in response to detection of MTBE in a community water

supply, the Agency developed a “toxicity criterion value for the ingestion pathways for

noncarcinogens [reference dose]

. . .

for use in

. . .

a proposed Health Advisory for

MtBE

[sic].” Agency Exh. 1 (Hornshaw) at 2.

Dr. Hornshaw explained, however, that the Agency

did not address the potential carcinogenic effects of MTBE in the Health Advisory. Tr.

(8/25/00)

at 122. He testified that when the Health Advisory was originally drafted in 1993,

the information was not sufficient for USEPA or, accordingly, the Agency, to

make a

determination as to whether MTBE poses a cancer risk for humans.

Id.

at 122-23. Since

1993, however, USEPA has been reviewing new information that “suggests that maybe cancer

is [a] relevant [end] point for humans based on

anirnal data, but that decision has not been

made at the federal level, and [the Agency is] not prepared to make that decision as an agency

right now.”

Id.

at 123. As a result, the Agency relied on a “noncancer end

point” in

making

its proposals to the Board for MTBE cleanup standards.

Id.

The numbers proposed by the Agency are based on an action level of 20 ppb, a

groundwater standard of 70 ppb, and inclusion of MTBE as an indicator contaminant for

gasoline. Agency Exh. 1 (Clay) at 5. According to Mr. Clay, the 20 ppb is based on taste and

odor threshold, while the 70 ppb is a health-based number.

Id.

Dr. Hornshaw further states

that the reference dose for calculating the cleanup objectives was taken from

USEPA’s

Integrated Risk Information System (IRIS)

and that the

physicalfchemical parameters were

taken from USEPA databases known as “CHEMFATE” and

“CHEMDAT8.” Tr.

(8/25/00) at

123.

Wile the Agency has provided the Board with information supporting the proposed

standards, the record is lacking a detailed explanation of the calculations employed by the

Exhibits attached to Mr. Clay’s

premed testimony are referred to as “Clay Exh.

IRIS

is

USEPA’s computer-based

sumary of the health risks, appropriate

dailyexposures,

.”

and evaluations of cancer risks for over 600 chemicals. Tr.

(8/25/00)

at 157.

---

5

Agency in reaching the proposed numbers. The Board specifically requests supplementation

in

this

regard from the Agency during this first-notice period.

Dr. Hornshaw testified that he is aware of other states (California and New York)

where the potential carcinogenicity of MTBE has prompted adoption of standards that are less

than those proposed for Illinois. Tr.

(8/25/00) at 123-24.

On behalf of the Illinois Petroleum Council (Petroleum Council), Mr.

Sykuta testified

that he agrees that MTBE is a problem and that the Petroleum Council is working closely with

the Agency to develop a protocol for dealing with it. Tr.

(9/11/00) at 11

1. The Petroleum

Council supports the 70 ppb cleanup standard for MTBE.

Id.

at 112. The Petroleum Council,

however, is concerned that the 20 ppb action level will somehow become the cleanup standard

and they are not prepared for that.

Id.

at 113.

He urged the Board to consider a couple of factors when proposing an MTBE standard,

First, he asked the Board to remember the importance of keeping the leaking underground

storage tank (LUST) program

fmancially viable. Tr.

(9/11/00) at 114. Second, he reminded

the Board that the inclusion of MTBE in gasoline was required by law and to “penalize people

for obeying the law as it existed at that

time,” would be unfair.

Id.

Mr. Cobb testified in response to the Petroleum Council’s testimony. Specifically, he

addressed the preventative response or

“action” level of 20 ppb. Mr. Cobb testified that there

are four reasons why the 20 ppb preventative response level is appropriate: (1) it meets the

taste and odor threshold set by

USEPA for MTBE; (2) a preventative response level is required

by Section 8 of the Illinois Groundwater Protection Act (415 ILCS

5518

(2000)); (3) there is

existing regulatory authority and precedent in the Board’s existing groundwater quality

standards; and

(4)

there is no history of applying the preventative response level to LUST

projects as a cleanup objective. Tr.

(9/11/00) at 123.

Regarding the proposed default physical and chemical parameters for MTBE found in

35

Ill.

Adm. Code

742.Appendix C, Table E, Dr. Hornshaw testified that the proposed value

for the MTBE first-order degradation constant

(A)

of

0.00193/day was derived from a

“preferred” source (Philip H. Howard, Handbook of

Environmental Fate and Exposure Data

for Organic Chemicals, (Lewis Pub. 1989)). The Agency, however, suggested that the Board

consider setting the

h

value at

O/day. The Agency stated that it was uneasy about the proposed

value since reports from sites in Illinois and other sites across the nation indicate MTBE is

very difficult to remove using biological degradation treatment technologies.

Exh. 1

(Hornshaw) at 3. In this regard, the Petroleum Council noted that there is insufficient data at

present to propose a degradation constant for MTBE that could be universally applied to all

groundwater models. The Petroleum Council supports a default MTBE degradation rate of

“O/day.

”

The Petroleum Council also requested language in the rule to allow the use of a site

specific degradation constant where appropriate. PC 4, ROO-1

9B.

---

6

As suggested by the Agency, the Board considered what the most appropriate value

would be for an MTBE first-order degradation constant and reviewed Volume 4 of the

Agency’s preferred reference Handbook of Environmental Fate and Exposure Data for Organic

Chemicals by P.H. Howard. The 1993 printing states, “No data concerning the

biodegradation of MTBE in environmental media were located.

”

In addition, the Board also

reviewed the studies identified by the Petroleum Council regarding an MTBE first-order

degradation

constant.* Our review,

in combination with the Agency’s and the Petroleum

Council’s comments, indicates that there is insufficient data to assign a first-order degradation

constant to MTBE on a State-wide basis.

The Board will revise the First Order Degradation Constant for MTBE as “No Data” in

Part

742.Appendix C, Table E. By doing so, the rules at Part

742.Appendix C, Table C will

allow the use of a default value of

Olday.

In addition, Section

742.810(a)(l) allows the use of

first order degradation rate determined by using site-specific data. This approach is intended

to address both the Agency’s and the Petroleum Council’s concerns.

MTBE GROUNDWATER QUALITY STANDARD

As noted previously, the Board deliberately established this Subdocket C so as to

coordinate the proposal and adoption of groundwater quality standards for MTBE.

Specifically, the Board has today proposed for

first notice a groundwater quality standard of 70

-

-

  

ppb.

See

Proposed MTBE Groundwater Quality Standards Amendments: -35

Iil.

Adrn. Code

-

620,

RO1-14 (Sept. 6, 2001). Because of the closely related nature of the evidence submitted

in the groundwater proceeding, the Board hereby incorporates the hearing transcripts and

evidence from

RO1-14 into this proceeding.

DISCUSSION

The Board has concluded that the MTBE TACO standards should be consistent with the

groundwater quality standards. Accordingly, the Board adopts for first notice the TACO

standards for MTBE as originally proposed by the Agency in March 2000. These standards

are based on a non-carcinogenic endpoint for MTBE.

In considering the information submitted in the course of ROl-14, the Board examined a

study performed by the California Environmental Protection Agency entitled, “Public Health

Goals for Methyl-Tertiary Butyl Ether (MTBE) in Drinking

Water” (PHG Report).

See

Exh.

13

(RO1-14).

The PHG Report concluded that there is evidence of the carcinogenicity of

MTBE.

Based on the PHG Report, the California Department of Public Health adopted a

drinking water standard of 13 ppb for MTBE.

See

Proposed MTBE Groundwater Quality

Standards Amendments: 35

Ill. Adm. Code 620,

RO1-14 (Sept. 6,

2001), for additional

discussion of the PHG Report.

See PC 4 for a list of the studies identified by the Petroleum Council.

---

7

While the Board recognizes that there is evidence suggesting the possible

carcinogenicity of MTBE, the Board, in adopting standards for 35

Ill. Adm. Code

742,

cannot

consider MTBE to be a

carcinogen unless the contaminant meets the definition of a

“carcinogen” found at Section 58.2 of the Act

(415

ILCS

5158.2 (2000)) and again at 35

Ill.

Adm. Code 742.200.

Section 58.2 of the Act defines

“carcinogeny’

as follows:

“Carcinogen” means a con

taminant that is classified as a Category

A1 or A2

Carcinogen by the American Conference of Governmental Industrial Hygienists;

or a Category 1 or

2A/2B Carcinogen by the World Health Organizations

International Agency for Research on Cancer; or a

“Human

Carcinogen” or

“Anticipated Human

Carcinogen” by the United States Department of Health

and Human Service National Toxicological Program; or a Category A or

BUB2

Carcinogen by the United States Environmental Protection Agency in Integrated

Risk

Information System or a Final Rule issued in a Federal Register notice by

the

USEPA as of the effective date of this amendatory Act of

1995. 415

ILCS

5/58.2

(2000).

Because, as of this date, none of the entities specified above have declared MTBE to be

a human carcinogen pursuant to Section 58.2 of the Act, the Board concludes that it is legally

unable to use a carcinogenic based endpoint for calculating the TACO cleanup standards for

this first notice and will, instead, proceed to first notice with the remediation objectives

proposed by the Agency. The Board invites public comment on this conclusion and the

Board’s interpretation of the

constraining effect of Section 58.2 of the Act.

The Board notes that each of the agencies referenced in Section 58.2 of the Act is

currently examining the issue of MTBE and whether it should be classified as a carcinogen.

The Board will be monitoring the progress of these agencies closely, as will, of course, the

Agency, and will consider amendments to the TACO rules to reflect any future adjustments in

the classification of MTBE.

Finally, although the Board does not declare that MTBE is

a

carcinogen, the Board

nevertheless concludes that the TACO cleanup standards proposed herein are scientifically

sound and are protective of human health and the environment. The Board encourages public

comment in this regard and plans to schedule public hearings in the near future for the purpose

of receiving additional comment and testimony regarding the proposed standards,

ORDER

The Board directs the Clerk to cause the filing of the following with the Secretary of

State for first-notice publication in the

IZZinois

Register.

---

8

Section

742.100

742.105

742.1 10

742.115

742.120

Section

742.200

742.205

742.210

742.215

742.220

742.225

742.230

Section

742.300

742.305

742.3 10

742.3 15

742.320

Section

742.400

742.405

742.41 0

742.415

TITLE 35: ENVIRONMENTAL PROTECTION

SUBTITLE G: WASTE DISPOSAL

CHAPTER I: POLLUTION CONTROL BOARD

PART

742

TIERED APPROACH TO CORRECTIVE ACTION OBJECTIVES

SUBCHAPTER f

RISK BASED CLEANUP OBJECTIVES

SUBPART A: INTRODUCTION

Intent and Purpose

Applicability

Overview of Tiered Approach

Key Elements

Site Characterization

SUBPARTB: GENERAL

Definitions

S

everability

Incorporations by Reference

Determination of Soil Attenuation Capacity

Determination of Soil Saturation Limit

Demonstration of Compliance with

Remediation Objectives

Agency Review and Approval

SUBPART C: EXPOSURE ROUTE EVALUATIONS

Exclusion of Exposure Route

Contaminant Source and Free Product Determination

Inhalation Exposure Route

Soil Ingestion Exposure Route

Groundwater Ingestion Exposure Route

SUBPART D: DETERMINING

m

A

  

BACKGROUND

Area Background

Determination of Area Background for Soil

Determination of Area Background for Groundwater

Use of Area Background Concentrations

SUBPART E: TIER 1 EVALUATION

---

9

Section

742.500

742.505

742.5 10

Section

742.600

742.605

742.610

Section

742.700

742.705

742.710

742.715

742.720

Section

742.800

742.805

742.810

Section

742.900

742.905

742.910

742.915

742.920

742.925

742.93

0

Section

742.1000

742.1005

742.1 0 1

0

742.10 12

Tier 1 Evaluation Overview

Tier 1 Soil and Groundwater Remediation Objectives

Tier 1 Remediation Objectives Tables

SUBPART F: TIER 2

GENEW EVALUATION

Tier 2 Evaluation Overview

Land Use

Chemical and Site Properties

SUBPART G: TIER 2 SOIL EVALUATION

Tier 2 Soil Evaluation Overview

Parameters for Soil Remediation Objective Equations

SSL Soil Equations

RBCA Soil Equations

Chemicals with Cumulative Noncarcinogenic Effects

SUBPART H: TIER 2 GROUNDWATER EVALUATION

Tier 2 Groundwater Evaluation Overview

Tier 2 Groundwater Remediation Objectives

Calculations to Predict Impacts

ftom Remaining Groundwater Contamination

SUBPART I: TIER 3 EVALUATION

Tier 3 Evaluation Overview

Modifications of Parameters

Alternative Models

Formal Risk Assessments

Impractical Remediation

Exposure Routes

Derivation of Toxicological Data

SUBPART J: INSTITUTIONAL CONTROLS

Institutional Controls

No Further Remediation Letters

Environmental Land Use Controls

Federally Owned Property: Land Use Control Memorandums of Agreement

---

10

742.1015

Ordinances

742.1020

Highway Authority Agreements

SUBPART K: ENGINEERED BARRIERS

Section

742.1 100 Engineered Barriers

742.1 105 Engineered Barrier Requirements

APPENDIX A

General

ILLUSTRATION A Developing Soil Remediation Objectives Under the Tiered Approach

ILLUSTRATION B Developing Groundwater Remediation Objectives Under the Tiered

Approach

TABLE A

Soil Saturation

Limits

(C,,)

for Chemicals Whose Melting Point is Less than

30°C

TABLE B

Tolerance Factor (K)

TABLE C Coefficients

(AN-I+I

1 for

W Test of Normality, for

N=2(

l)50

TABLE D Percentage Points of the

W Test for

n=3(1)50

TABLE E

Similar-Acting Noncarcinogenic Chemicals

TABLE F

Similar-Acting Carcinogenic Chemicals

TABLE G

TABLE

H

Concentrations of Inorganic Chemicals in Background Soils

Chemicals Whose Tier 1 Class I Groundwater Remediation Objective Exceeds

the 1 in 1,000,000 Cancer Risk Concentration

APPENDIX B

Tier 1 Tables and Illustrations

ILLUSTRATION A

Tier 1 Evaluation

TABLE A Tier 1 Soil Remediation Objectives for Residential Properties

TABLE B

Tier 1 Soil Remediation Objectives for

IndustriallCornrnerciaI

Properties

TABLE C

pH Specific Soil Remediation Objectives for Inorganics and Ionizing Organics

for the Soil Component of the Groundwater Ingestion Route (Class I

Groundwater)

pH Specific Soil Remediation Objectives for Inorganics and Ionizing Organics

for the Soil Component of the Groundwater Ingestion Route (Class 11

Groundwater)

Tier 1 Groundwater Remediation Objectives for the Groundwater Component of

the Groundwater Ingestion Route

Values Used to Calculate the Tier 1 Soil Remediation Objectives for the Soil

Component of the Groundwater Ingestion Route

TABLE D

TABLE E

TABLE F

APPENDIX C Tier 2 Tables and Illustrations

ILLUSTRATION A

Tier 2 Evaluation for Soil

ILLUSTRATION B

Tier 2 Evaluation for Groundwater

ILLUSTRATION C

US Department of Agriculture Soil Texture Classification

TABLE A

SSL Equations

TABLE B

SSL

Parmeters

TABLE C

RBCA Equations

---

11

Chemical Name

Acetone

TABLE D

TABLE E

TABLE F

TABLE G

TABLE H

TABLE I

TABLE J

TABLE

IS

AUTHORITY:

Cssr

(mglkg)

100,000

RBCA Parameters

Default Physical and

Chemical Parameters

Methods for Determining Physical Soil

Pasmeters

Error Function

(erf)

Q/C Values By Source Area

GC

Values for Ionizing Organics as a Function of

pH

(cm3/g or

L/kg or

Values to be Substituted for

of

pH

(cm3/g or

Lkg or

~m~~~t~/g~~il)

Parameter Estimates for

Calculating Water-Filled Soil Porosity

(Ow)

3

cm

water/gsoid

or

k,-when Evaluating

Inorganics as a Function

Benzene

Bis(2-chloroethy1)ether

Bis(2-ethylhexy1)phthalate

Bromodichloromethane

(Dichlorobromomethane)

Implementing Sections

22.4,22.12, Title

XVI, and Title XVII and authorized by

870

3,300

3 1,000

3.000

Sections 27 and 58.5 of the Environmental Protection Act

[415 ILCS

5/22.4,22.12,27, and 58.5

and Title XVI and Title

XVLI].

Butanol

Butyl benzyl phthalate

Carbon disulfide

Carbon tetrachloride

Chlorobenzene

(Monochlorobenzene)

SOURCE: Adopted in

R97-12(A) at 21

Ill. Reg. 7942, effective July

1, 1997; amended in

R97-

12(B) at 21

Ill. Reg. 16391, effective December 8, 1997; amended

in

R97-12(C)

at 22

Ill. Reg.

10847, effective June 8,1998; amended in

R00-19(A) at 25 111. Reg. 651, effective January

6,

2001; amended in

R00-19(B) at 25

Ill. Reg. 10374, effective August 15,2001; amended in

R00-19(C) at 25

Ill. Reg.

NOTE: Capitalization

indicates statutory language.

,

effective

10,000

930

720

1,100

680

Section

742.APPENDIX

A:

General

Chloroform

Section

742.TABLE

A:

Soil Saturation Limits

(&)for

Chemicals Whose Melting Point is Less

than

30"

C

2,900

I

67-64- 1

171-43-2

175-25-2

171-36-3

85-68-7

75-15-0

56-23-5

108-90-7

Bromoform

I

1,900

I

Chlorodibromomethane

(Dibromochloromethane)

I

1.300

1

---

12

96-12-8

1,2-Dibromo-3-chloropropane

1,400

I--

~

I

I

84-74-2

95-50- 1

Di-n-butyl phthalate

2,300

1,2-Dichlorobenzene

(o-Dichlorobenzene)

560

75-34-3

107-06-2

75-35-4

1,

I-Dichloroethane

1,700

1

,2-Dichloroethane (Ethylene dichloride)

1,800

1.1-Dichloroethvlene

1,500

____

156-59-2

156-60-5

78-87-5

cis-1

,2-Dichloroethylene

1,200

trm-l,2-Dichloroethylene

3,100

1,2-Dichloropropane

1,100

542-75-6

84-66-2

117-84-0

1759-2

I

Methylene chloride

(Dichloromethane)

1,3-Dichloropropene

(1,3-Dichloropropylene,

cis

-+

tram)

1,400

Diethyl phthalate

2,000

Di-n-octyl phthalate

10,000

2,400

100-41-4

77-47-4

78-59-1

74-83-9

Ethylbenzene

400

Hexachloroc

y ciopentadiene

2,200

Isophorone

4,600

Methyl bromide

(Bromomethane)

3,200

98-95-3

Nitrobenzene 1,000

rl20-82-1

I

1,2,4-Trich~orobenzene

100-42-5

127-1

8-4

3,200

Styrene

1,500

Tetrachloroethylene (Perchloroethylene) 240

108-88-3

Toluene

650

I

420

71-55-6

79-00-5

1

,

1

,

1-Trichloroethane

1,200

1,l

,2-Trichloroethane

1,800

-

79-0 1-6

108-05-4

75-01-4

Trichloroethylene

1,300

Vinyl acetate 2,700

Vinyl chloride 1,200

---

13

95-47-6

0-Xylene

106-42-3

p-Xylene

410

460

1330-20-7

95-57-8

(Source: Amended at 25

Ill. Reg.

,

effective

)

Xylenes (total)

320

Ionizable Organics

2-Chlorophenol

53,000

---

14

Section

742.APPENDIX A: General

Section 742. TABLE E: Similar-Acting Noncarcinogenic Chemicals

---

15

---

16

Adrenal Gland

Nitrobenzene

1,2,4-Trichlorobenzene (Ingestion only)

Kidnev

Acetone (Ingestion only)

Cadmium (Ingestion only)

Chlorobenzene

Dalapon

1,l-Dichloroethane

Di-n-octyl phthalate (Ingestion only)

Endo sulfan

Ethylbenzene

Fluor anthene

Methyl tert-butyl ether (Inhalation only)

Nitrobenzene

Pyrene

Toluene (Ingestion only)

2,4,5-Trichlorophenol

Vinyl acetate (Inpestion only)

Liver

Acenaphthene

Acetone (Ingestion only)

Butylbenzyl phthalate (Ingestion only)

Chlorobenzene (Ingestion only)

1,l-Dichloroethylene (Ingestion only)

Di-n-octyl phthalate (Ingestion only)

Endrin

Ethylbenzene

Fluoranthene

Methyl tert-butyl ether (Inhalation only)

'

Nitrobenzene

Picloram

Styrene (Ingestion only)

2,4,5-TP (Silvex)

Toluene (Ingestion only)

1,2,4-Trichlorobenzene (Inhalation only)

2,4,5

-Trichlorophenol

Central Nervous System

Butanol (Ingestion only)

Cyanide (amenable)

2,4-Demethylphenol

Endrin

Manganese

2

,Methylphenol

Mercury (Inhalation only)

Styrene (Inhalation only)

Toluene (Inhalation only)

Xylenes (Ingestion only)

Circulatorv System

Antimony

Barium. (Ingestion only)

cis-

1,2-Dichloroethylene (Ingestion only)

Nitrobenzene

trans-1,2-Dichloroethylene

(Ingestion only)

2

,LC-Dimethylphenol

Fluoranthene

Fluor ene

Styrene (Ingestion only)

Zinc

Gastrointestinal System

Beryllium (Ingestion only)

Endothall

Hexachlorocyclopentadiene (Ingestion only)

Methyl bromide (Ingestion only)

Methyl tert-butyl ether (Ingestion only)

2,4-D

---

17

Immune System

2,4-Dichlorophenol

p-Chloroaniline

Mercury (Ingestion only)

Reproductive System

Barium (Inhalation only)

Boron (Ingestion only)

Carbon

disulfide

2-Chlorophenol (Ingestion only)

172

Dibromo-3-Chloropropane (Inhalation only)

Dinoseb

Ethylbenzene (Inhalation only)

Methoxychlor

Phenol

ResDiratory System

1

,ZDichloropropane (Inhalation only)

173-Dichloropropylene

(Inhalation only)

Hexachlorocyclopentadiene (Inahalation only)

Methyl bromide (Inhalation only)

Naphthalene (Inhalation only)

Toluene (Inhalation only)

Vinyl acetate (Inhalation only)

Cholinesterase Inhibition

Aldicarb

Carbofuran

Decreased Bodv Weight Gains

and

Circulatorv System Effects

Atrazine

Simazine

(Source: Amended at 25

Ill. Reg.

-7

effective

1

---

Section

742.APPENDIX B: Tier 1 Tables and Illustrations

CAS No.

Chemical Name

83-32-9

Acenap hthene

67-64-1

Acetone

15972-60-8

Alachlor"

116-06-3

Aldicarb"

309-00-2

Aldrin

120-12-7

Anthracene

1912-24-9

Atrazine"

71-43-2

Benzene

5

6

-

5

5

-

3

205-99-2

Benzo(b)fluoranthene

Benzo(u)anthracene

'

Section

742.TABLE

A:

Tier 1 Soil Remediation Objectives

a for Residential Properties

Exposure Route-Specific Values for Soils

Soil Component of the Groundwater

Ingestion Exposure Route

Values

Ingestion Inhalation Class

I

Class

I1

ADL

tmg/kg)

(mgW

(mg/kg)

tmgfkg)

tmgw

4,700b

---

7,800b

100,000d

1

Sb

16

*

C

*

570b

2,900

C

w

03

8"

---

0.04

0.2

NA

78b

---

0.013

0.07

NA

0.04"

3e

0.5"

2.5

0.94

C

C

*

23,0wb

-_-

12,000b

59,000

C

27Wb

---

0.066

0.33

NA

12"

0.8"

0.03

0.17

*

0.Y

---

2 8

*

0.9"

---

5

25

*

C

c

---

Ingestion

Inhalation

(mgW

(mg/kg)

C

9"

---

0.09"-f

---

C

0.6'

0.2e.f

46"

3 1

,OOOd

1

oe

3

,mod

81"

53e

7,8OOb

10,000d

16,

OOOb

930d

32e

_--

390b

---

7,800b

720d

C

C

I

I

Class I

Class

II

ADL

(mg/kg)

(mg/kg)

(mi&)

49 250

8 82

*

*

0.

0004e7f

0.0004

0.66

3,600

3 1

,OOOd

*

0.6

0.6

*

0.8

0.8

*

17b

17

NA

930d

930d

*

O

he

2.8

NA

0.22

1.1

NA

32b

160

*

Exposure Route-Specific Values for Soils

CAS No.

207-08-9

50-32-8

11

1-44-4

117-8 1-7

75-27-4

75-25-2

71-36-3

85-68-7

86-74-8

1563-66-2

75-15-0

Soil Component of the Groundwater

Ingestion Exposure

Route

Values

Chemical Name

Benzo(k) fluroanthene

Benzo(u)pyrene

Bis(2-chloroethy1)ether

Bis(2-ethylhexyl)ph~alat~

Bromodichloromethane

(Dichlorobromomethane)

Bromoform

Butanol

Butyl benzyl phthalate

Carbazole

Carbofuran"

Carbon

disulfide

---

CAS No.

56-23-5

57-74-9

106-47-8

108-90-7

I

(Monochlorobenzene)

1

Chemical Name

Carbon tetrachloride

Chlordane

4-Chtoroaniline

@-Chloroaniline)

Chlorobenzene

124-48-

1

67-66-3

21 8-0 1-9

94-75-7

75-99-0

72-54-8

72-55-9

Exposure Route-Specific Values for Soils

Chlorodibromomethane

~Dibromochiorome~ane)

Chloroform

Chrysene

2,4-D?

Dalapon"

DDD

DDE

Soil Component of the Groundwater

Ingestion Exposure Route

Values

C

*

310b

---

0.7b

0.7

1

6.5

I

I

130b

I

1

,6Wb

I

*

  

1

,600b

1,30Od

0.4

0.4

*

100"

0.3"

0.6

2.9

*

88"

---

160 800

*

780b

---

1.5 7.7

*

2,300b

--_

0.85

8.5

C

C

C

*

C

3"

---

16"

80

2"

---

54"

270

*

C

*

N

0

---

Chemical Name

I

50-29-3

53-70-3

96-12-8

106-93-4

84-74-2

DDT

Dibenzo(a,

h)anthracene

1,2-Dibrom0-3-chloropropane

1,2-Dibromoethane

(Ethylene dibromide)

Di-n-butyl phthalate

7.800b

7,

OoOb

I

0,

-

Dichlorobenzene)

I!

2,300d

2,300d

2,3OOd

*

560d

17

43

*

91-94- 1

3,3

'-Dichlorobenzidine

75-34-3

1,l-Dichloroethane

95-50-1

106-46-7

Exposure Route-Specific Values

for

Soils

1,2-Dichlorobenzene

(0

-

Dichlorobenzene)

1,4-Dichlorobenzene

Soil

Component of the Groundwater

Ingestion Exposure Route

Values

_--

c

0.0075"

ll,mb

2

11

*

0.17"

1"

7,80Ob

0.0004

---

C

0.007""

0.033

1.3

1

,300b

23b

110

*

O-Oo4

I

O*Oo5

---

CAS

No.

107-06-2

75-35-4

156-59-2

156-60-5

78-87-5

542-75-6

60-57- 1

84-66-2

105-67-9

121

-

14-2

Exposure Route-Specific Values for Soils

Chemical Name

1,2-Dichloroethane

(Ethylene dichloride)

1,l

-Dichloroethylene

cis-

1,2-DicNoroethylene

trans-

1,2-DicNoroethylene

1,2-Dichloropropane

1,3-Dichloropropene

(1,3-DichloropropyIene,

cis

-t

trans)

Dieldrin"

Diethyl phthalate

2,4-Dimethyiphenol

2,4-Dinitrotoluene

Soil

Component

of the Groundwater

Ingestion Exposure Route

Values

7"

0.4"

700b

1

,5OOd

0.06

0.3

*

780b

1,200d

0.4

1.1

*

1

,6Wb

3,l0Od

0.7

3.4

*

9"

Hb

0.03

0.15

*

6.4"

l.le

0.004e

0.02

0.005

0.04e

le

0.004"

0.02

0.603

63,000b

2,000d

470b

470

*

1

,6Wb

---

9b

9

C

*

3

C

0.ge

-_-

0.0008e*f

0.0008

0.250

N

N

---

CAS

No.

Chemical Name

606-20-2

2,6-Dinitrotoluene

145-73-3

Endothall"

72-20-8

Endrin

100-11-4

Ethyl benzene

206-44-0

Fluoranthene

86-73-7

Fluorene

76-44-8

Heptachlor

1024-57-3

Heptachlor epoxide

3 19-84-6

Alpha-HCH (alpha-BHC)

Exposure Route-Specific Values for Soils

Soil

Component of the Groundwater

Ingestion Exposure Route

Values

Ingestion Inhalation Class

I

Class

II

ADL

(mg/kg)

(mg/kg)

@&kg)

(wdkg)

(mglkg)

0.9'

---

0.

0007e7f

0.0007

0.260

1

,60Ob

l0,ooOd

10,oood

10,000d

*

470b

---

1

gb

90

*

1

,6Wb

---

0.4

0.4

NA

C

C

C

7,80Ob

400d

13

19

*

3,100b

---

C

4,300b

21,000

*

c

*

3,lOOb

---

560b

2,800

0.1'

0.1"

23

110

0.871

0.4"

1"

2

11

*

0.1=

0.8"

0.0005"*f

0.003

0.0074

N

w

---

I

I

.

  

I

il

CAS No.

Chemical Name

58-89-9

Gamma-HCH (Lindane)"

77-47-4

Hexachloroc

yclopentadiene

67-72-

1

Hexachloroethane

193-39-5

Indeno(l,2,3-c,d)pyrene

78-59-1

Isophorone

72-43-5

MethoxychloP

74-83-9 Methyl bromide

1634-04-4

Methyl

text-but4

ether

75-09-2

Methylene chloride

95-48-7

2-Methylphenol

(0

-

Cresol)

9 1-20-3 Naphthalene

98-95-3

Nitrobenzene

(Bromomethane)

(Dichloromethane)

Exposure Route-Specific Values for Soils

Soil

Component

of

the Groundwater

Ingestion Exposure Route

Values

Ingestion Inhalation Class

I

Class

II

ADL

(mg/kg)

(mglkg)

(mglkg)

(mg49

(mg/kg)

C

0.5"

---

0.009

0.047

*

550b

lob

400

2,2006

*

C

Q

78'

---

O

Sb

2.6

0.ge

---

14 69

*

~

-

________~

C

15,GOOb

4,6OOd

8b

8

*

C

3wb

---

160

780

*

1106

l

ob

0.2b

1.2

*

-

780b

8,sood

-

0.32

-

0.32

-

*

8fie

13e

0.02"

0.2

*

C

15

3,900b

_-_

*

l,GOOb

170'

12b

18

*

39b

92b

0.lb.f

0.1 0.26

---

CAS

No.

Ingestion

(mgW

1

30e

0.09','

47,000b

5

,500b

86-30-6

62 1-64-7

108-95-2

191

8-02- 1

1336-36-3

Inhalation

Class I

Class

I1

ADL

(mg/kg)

(Wkg)

(mg/kg)

(mdkg)

C

1'

5.6

_-_

*

C

0.0018

---

0.00005e.f

0.00005

---

l0Ob

100

*

_--

2

20

NA

C

C

129-00-0

2,3OOb

390b

16,

OOOb

122-34-9

100-42-5

C

---

4,20Ob

21,000

*

C

---

0.04

0.37

NA

1

,500d

4

18

*

127-18-4

16,000b

108-88-3

I

650d

12 29

*

Chemical Name

N-Nitrosodiphenylamine

N-Nitrosodi-n-propy

lamine

Phenol

Picloram'

Polychlorinated biphenyls

(PCBs)"

Pyrene

Simazine"

Styrene

Tetrachloroethylene

(Perchloroethylene)

Toluene

Exposure Route-Specific

VaIues for Soils

Soil

Component of the Groundwater

Ingestion Exposure Route

Values

12"

I

O.O6

I

Oe3

1

le

I

*

---

---

CAS

No.

Chemical Name

1330-20-7 Xylenes (total)

Ionizable

Organics

65-85-0 Benzoic

Acid

95-57-8

2-Chlorophenol

120-83-2

2,4-Dichloropheiiol

5

1-28-5

2,4-Dinitrophenol

88-85-7 Dinoseb"

87-86-5

Pentachlorophenol

93-72-

1

2,4,5-TP

(Silvex)

95-95-4

2,4,5-Trichloropheno1

88-06-2

2,4,6 Trichlorophenol

N

Exposure Route-Specific Values for Soils

Soil Component of the Groundwater

Ingestion Exposure Route

Values

Ingestion

Inhalation

Class I

Class

11

ADL

tmg/kg)

(mdkg)

(mdkg)

(Wkg)

(mg/kg)

160,

OOOb

320d

150

150

*

C

310,00Ob

---

400b.1

400'

*

390b

53,000d

4b.i

4'

*

1b,i

1'

230b

-_-

*

160b

---

0.2b.f

0.2 3.3

78b

---

0.34b*'

3.4'

*

C

C

C

C

3'4

---

0.03'*'

0.14'

*

C

*

630b

-_-

11'

55'

C

7,800b

---

270b,'

1,400'

*

5

8'

200"

0.2e.f.i

0.77' 0.66

-

---

CAS No.

Exposure Route-specific Values for Soils

7440-36-0

7440-38-2

Soil

Component

of

the Groundwater

7440-39-3

7440-4

1-7

7440-42-8

7440-43-9

Chemical Name

Inorganics

Antimony

Arsenic'."

Barium

Beryllium

Boron

Cadmium'."

16887-00-6

7440-47-3

16065-83-1

18540-29-9

7440-48-4

Ingestion

(m/W

31b

t

5,500b

160b

7,000b

78'.

C

---

750"

690,00Ob

1,300"

---g

1,

800"

C

---

270"

C

---

I

Ingestion Exposure Route

I

0.006"

0.024"

0.05"

0.2"

2.0"

2.0"

*

*

*

0.004"

0.5"

2.0"

2.0"

0.005m

0.05"

200"

200"

0.

lm

1

.om

8

*

*

*

*

---g

---8

*

C

---

I

Values

I

I

1

.om

1

.om

*

I

I

I

270'

N

co

---

CAS No.

Chemical Name

7440-50-8

Copper"

57-12-5

Cyanide (amenable)

7782-41-4

Fluoride

15438-3

1-0

Iron

7439-92-1

Lead

7439-96-5

Manganese

7439-97-6

Mercury'."ys

7440-02-0

Nickel'

14797-55-8

Nitrate as

W

7782-49-2

SeIeniunP

~-

Exposure Route-specific Values for Soils

Soil Component of the Groundwater

Ingestion Exposure Route

Values

Ingestion Inhalation Class I Class

II

ADL

(mg/kg)

(fw4/kg)

(mgm

(WL)

(mglkg)

C

2,900b

---

0.65"

0.65"

*

1

,6Wb

---

0

.247"

0.69."

4,700b

---

4.0"

4.0"

C

*

C

*

C

C

_--

---

5.0"

5.0"

*

400k

_--

0.0075"

0.1"

*

3,700b

69,000b

0.15"

10.0"

*

23b

l

ob

0.002"

0.01"

*

1

,600b

13,000e

0.1"

2.0"

*

C

C

*

130,000b

---

10.04

100s

C

390b

---

0.05"

0.05"

*

CAS No.

Chemical Name

7440-50-8

Copper"

57-12-5

Cyanide (amenable)

7782-41-4

Fluoride

15438-3

1-0

Iron

7439-92-1

Lead

7439-96-5

Manganese

7439-97-6

Mercury'."ys

7440-02-0

Nickel'

14797-55-8

Nitrate as

W

7782-49-2

SeIeniunP

~-

Exposure Route-specific Values for Soils

Soil Component of the Groundwater

Ingestion Exposure Route

Values

Ingestion Inhalation Class I Class

II

ADL

(mg/kg)

(fw4/kg)

(mgm

(WL)

(mglkg)

C

2,900b

---

0.65"

0.65"

*

1

,6Wb

---

0

.247"

0.69."

4,700b

---

4.0"

4.0"

C

*

C

*

C

C

_--

---

5.0"

5.0"

*

400k

_--

0.0075"

0.1"

*

3,700b

69,000b

0.15"

10.0"

*

23b

l

ob

0.002"

0.01"

*

1

,600b

13,000e

0.1"

2.0"

*

C

C

*

130,000b

---

10.04

100s

C

390b

---

0.05"

0.05"

*

---

CAS

No.

7440-22-4

14808-79-8

7440-28-0

7440-62-2

7440-66-6

Exposure Route-specific Values for Soils

Soil Component of the Groundwater

Ingestion Exposure Route

Values

I

I

Chemical Name

Silver

Sulfate

Thallium

Vanadium

Zinc'

C

390b

-__

0.05"

---

*

---

--_

400'"

400"

*

6.3b*"

---

0.002"

0.02"

*

550b

---

0.049"

0.1"

23,000b

---

5.0"

10"

C

C

e

C

*

C

*

"*"

indicates that the

ADL is less than or equal to the specified rernediation objective.

NA

means not available; no PQL

or

EQL available in

USEPA

analytical methods.

w

0

---

Chemical Name and Soil Remediation Objective Notations

a

Soil remediation objectives based on

human health criteria only.

Calculated values correspond to a target hazard quotient of 1.

No toxicity criteria available for the route of exposure.

Soil saturation concentration (C

[[4

=

the concentration at which the absorptive limits of the soil particles, the solubility limits of the available soil moisture, and

saturation of soil pore air have been reached. Above the soil saturation concentration, the assumptions regarding vapor transport to air and/or dissolved phase transport

to groundwater (for chemicals which are liquid at ambient soil temperatures) have been violated, and alternative modeling approaches are required.

Level is at or below Contract Laboratory Program required quantitation limit for Regular Analytical Services

(RAS).

Chemieal-specific properties are such that this route is not of

Concern at any soil contaminant concentration.

40 CFR 761 contains applicability requirements and methodologies for the development of PCB remediation objectives. Requests for approval of a Tier 3 evaluation

must address the applicability of 40 CFR 761.

Soil remediation objective for

pI-1 of 6.8. If soil

pH is other than 6.8, refer to Appendix B, Tables C and D

of

this Part.

A preliminary remediation goal of 400

mglkg has been set for lead based on

Revised Interim

Soil

Lead

Guidance

for

CERCLA

Sites and

RCRP

Corrective Action

Facilities,

OSWER Directive

#9355.4-12.

The person conducting the remediation

has the option to use: 1) TCLP or SPLP test results to compare with the remediation objectives listed in this Table; or 2) the

total amount of contaminant in the soil sample results to compare with

pH specific remediation objectives listed in Appendix

B,

Table C or D of this Part.

(See Section

742.510.) If the person conducting the

remediatioii wishes to calculate soil remediation objectives based on background concentrations, this should be done in

accordance with Subpart D of this Part.

The Agency reserves the right to evaluate the potential for remaining contaminant concentrations to pose significant

threats

to crops, livestock, or wildlife.

pesticides. Consult the Agency for further

inlormation.

shall be conducted in accordance with the procedures set forth in

Subparts D and I of this Part.

The TCLP extraction must be done using water at a

pH

of 7.0.

Value based on dietary Reference Dose.

Value for Ingestion based on Reference Dose for Mercuric chloride (CAS No. 7487-94-7); value for Inhalation based on Reference Concentration for elemental Mercury

For the ingestion route for arsenic, see

742.Appendix A, Table G.

'

Calculated values correspond to a cancer risk level of 1 in

1,000,OM).

j

Ingestion soil remediation objective adjusted by a factor of

0.5

to account for dermal route.

'

Potential for soil-plant-human exposure.

a

For agrichemical facilities, remediation objectives for

surficial soils which are based on field application rates may be more appropriate for currently registered

P

For agrichemical facilities, soil remediation objectives based on site-specific background concentrations of Nitrate as N may be more appropriate. Such determinations

(CAS NO. 7439-97-6).

"

Value based on Reference Dose for Thallium sulfate (CAS No. 7446-18-6).

(Source: Amended at 25

Ill.

Reg.

,

effective

)

---

Section

742.APPENDIX B: Tier 1 Tables and Illustrations

Section 742. Table B: Tier

1

Soil Remediation Objectives

a for

Industrial/~o~er~i~

Properties

CAS No. Chemical

Name

83-32-9

Acenaphthene

67-64- 1

Acetone

15972-60-8

Alachlor"

116-06-3

Aldicarb"

309-00-2

Aldrin

120-12-7

Anthracene

1912-24-9

Atrazine"

71-43-2

Benzene

Exposure Route-Specific Values for

Soils

Industrial-

Commercial

Ingestion

Inhalation

(mg/kg)

(mglkg)

C

120,000b

-----

200,000b

r00,oood

C

72"

-I--

C

2,ooob

-----

0.3"

6.6"

C

6 10

,OWb

-----

72,000b

-----

c

100"

1.6e

Class

I

(mg/kg)

i70b

I

Sb

).04

LO13

1.5"

2,000b

).066

LO3

ADL

ClassII

(mg/kg)

(mg/kg)

2,900

*

16

*

0.2

NA

0.07

NA

2.5

0.94

59,000

*

0.33

NA

0.17

*

Soil

Component

of

the

Groundwater Ingestion

Exposure Route

120,000b

200,000b

1,600"

2006

6.1b

610,00Ob

7,10Ob

2,300"

Values

C

-----

l00,000d

e

_____

C

9.3"

c

C

-----

2.2

I

I

  

w

N

---

Exposure Route-Specific Values

for Soils

CAS No.

Chemical

Name

56-55-3

Benzo(a)anthracene

205-99-2

Benzo(b)fluoranthene

207-08-9

Benzo(k)fluroanthene

50-32-8

Benzo(a)pyrene

11

1-44-4

Bis(2-chloroethy1)ether

1

17-8

1-7

Bis(2-ethylhexy~)pht~~la~e

75-27-4

B

romodichloromethane

~-

-_

-

(Dichlorobromomethane)

75-25-2

Bromoform

7 1-36-3

Butanol

85-68-7

Butyl

benzyl phthalate

86-74-8

Carbazole

Industrial-

Commercial

Ingestion Inhalation

(mglkg)

(mg/kg)

C

-----

8"

Se

78'

0.8'

5"

0.47'

410"

3

2

,OOOd

92e

3

,OOOd

C

-----

C

-----

C

----_

720"

looe

200,000b

10,oood

4

10

,OWb

930d

290"

C

-----

17'

75'

C

-__I

O.6tie

2,000"

4,100b

31,000d

Soil Component of the

Groundwater Ingestion

Exposure Route

16,000"

200,000b

410,00Ob

Values

140c

10,000d

930d

93Od

1.6"

*

*

930d

2.8

*

*

0.66

*

*

*

NA

*

NA

W

b3

---

Exposure Route-Specific Values for Soils

Industrial-

Commercial

CAS No. Chemical

Ingestion Inhalation

Name

(mglkg)

(mglkg)

C

1563-66-2

Carbofuran'

10,000b

_---_

75-15-0

Carbon

disulfide

200,000b

720d

56-23-5

Carbon tetrachloride

44"

0.64"

57-74-9

Chlordane

1.6'

140

Construction

Worker

Ingestion Inhalation

(mg/kg)

(mg/kg)

c

1

,mo

b

-----

20,000b

9.ob

410b

0.90"

lOOb

22b

I

106-47-8

I

4

-

Chloroaniline

108-90-7

Chlorobenzene

41

,OOOb

2lOb

4,lOOb

1

.3b

(Monochlorobenzene)

124-48-1

67-66-3

21

8-0 1-9

94-75-7

Soil Component

of

the

Groundwater ingestion

Exposure Route

Chlorodibromomethane

41

,OOOb

1

,300d

41,000b

1,3006

(Di

bromochloromethane)

Chloroform

940"

0.54"

2,omb

0.76'

C

e

Chrysene

780e

--_--

17,000e

-----

2,4-Do

20,000b

-----

2,000b

-----

c

C

Values

*

*

*

*

-

*

*

w

r-

---

Exposure Route-Specific Values for Soils

D

CAS No.

Chemical

Name

75-99-0

Dalapon"

72-54-8

DDD

72-55-9

DDE

50-29-3

DDT

53-70-3

Dibenzo(a,

h)anthracene

96-12-8

1,2-Dibromo-3-cNoropropane

106-93-4

1

,2-Dibromoethane

(Ethylene

dibromide)

84-74-2

Di-n-butyl phthalate

Industrial-

Commercial

Ingestion

Inhalation

(mg/kg)

(mg/kg)

C

61

,OOOb

-----

C

__---

24"

1

7"

17"

1,500"

0

3

  

4"

17b

0.07"

0.32"

e

-----

e

-----

200,000b

2,30Od

Class I

(mg/kg)

0.85

16"

54=

32"

2

0.002

0.0004

Class

II

ADL

(mg/kg)

(mg/kg)

8.5

*

80

*

270

160

*

7.6

*

0.002

*

0.004

0.005

.

6,

100b

c

-----

Soil

Component of

the

Groundwater Ingestion

Exposure

Route

520"

370"

100b

1

7"

89'

e

____-

c

__-I

2,

100"

e

O.llb

200,000b

2,30Od

95-50-

1

106-46-7

1

,2-DicNorobenzene

180,000b

560d

1

,4-Dichlorobenzene

-----

C

17,000b

(0

-

Dichlorobenzene)

(p

-

Dichlorobenzene)

---

CAS

No.

91-94-

1

75-34-3

107-06-2

75-35-4

156-59-2

156-60-5

78-87-5

I

542-75-6

Chemical

Name

3,3

'-Dichlorobenzidine

1,l-Dichloroethane

1

,2-Dichloroethane

(Ethylene dichloride)

1,l-Dichloroethylene

cis-

1,2-DichloroethyIene

Trans-

1,2-Dicliloroethylene

1

,2-Dichloropropane

1,3-Dichloropropene

(1,3-Dichloropropylene,

cis

i-

1

,8Wb

20,000b

41

,OOOb

1,800"

60-57- 1

Dieldrin"

300'

1

,2Ood

3,

lood

0.5Ob

Exposure Route-Specific Values for Soils

18,000'

20,000'

41,000b

84"

Industrial-

Commercial

Ingestion

Inhalation

C

-----

13"

200,000'

1,700d

1

,5Wd

1,200d

3,1Wd

23b

63"

I

0.70"

0.3

1.1

I

*

*

0.7

0.03

0.4"

I

2.2"

3.4

*

0.15

*

1,000,000b

2,00Od

470'

470

*

-I

Soil

Component

of

the

Groundwater Ingestion

Exposure Route

Values

23b

0.02

I

I

I

I

0.06

0.4

w

CR

---

CAS No.

105-67-9

121-14-2

606-20-2

117-84-0

115-29-7

145-73-3

72-20-8

100-41-4

206-44-0

86-73-7

7644-8

Chemical

Name

2,4-Dimethylpbenol

2,4-Dinitrotoluene

2,dDinitrotoluene

Di-n-octyl phthalate

Endosulfang

Endothall"

Endrin

Ethyl benzene

Fluoranthene

Fluorene

Heptachlor

Exposure Route-Specific Values for Soils

Values

i___

Industrial-

Construction

Commercial

Worker

Ingestion Inhalation Ingestion Inhalation

Class I

Class

I1

(mg/kg)

(mgW

(mgW

(mglkg)

(mgW

(mg/kg)

C C

9

b

9

4 1

,OOOb

_____

41,000b

--I

8.4"

__---

1

goe

----

O.O008"*'

0.O008

8.4"

_----

180"

-----

0.0007"*'

0.0007

c

C

C C

41,000"

10,000d

4,

lOOb

10,000d

10,000d

10,000d

12,000b

-----

1,200b

----

1

Sb

90

C

C

C

C

41,00OC

----^

4,

100b

-----

0.4 0.4

610b

-----

61b

-----

200,000b

4006

20,000b

5gb

13

19

C

C

1

5

c

C

82,000b

-----

82,000b

-----

4,300b

21,000

c

C

82,000b

-----

82,000b

---__

560b

2,800

1"

1

le

28@

1

6e

23

110

Soil Component

of

the

Groundwater Ingestion

Exposure Route

*

0.250

0.260

*

*

NA

*

---

Exposure Route-Specific Values for Soils

~

CAS No.

Chemical

Industrial-

Construction

Commercial

Worker

Ingestion Inhalation Ingestion

Inhalation

1024-57-3

1

1 8-74-

1

3 19-84-6

58-89-9

Heptachlor epoxide

0.6"

Hexachlorobenzene

4"

Alpha-HCH

(u~~~u-BHC)

0.ge

Gamma-HCH

(Lindane)"

4'

9.2e

1.8"

1.5'

C

-_---

I

1

(Bromomethane)

2.7b

13"

78"

2.6"

20"

2.1"

96"

C

-__--

Soil

Component

of

the

Groundwater Ingestion

Exposure Route

values

3.0005e*f

3.009

too

ISb

14

3b

160

1.2b

2,

0.003

0.0074

0.047

*

2,200d

*

2.6

*

69

*

8

*

780

1.2

*

*

I

11

77-47-4

67-72-

1

193-39-5

78-59-1

72-43-5

74-83-9

I

*

  

Hexachlorocy clo

pentadiene

14,000b

16b

14,000b

l.lb

Hexachloroethane

2,000b

2,000b

-----

Indeno(

1,2,3-c,

d)pyrene

ge

C C

C C

-_---

170"

-----

Isophorone

410,00Ob

4,600'

410,00Ob

4,60Od

C

C

Methoxychlor"

l0,ooOb

-----

1,000b

----_

Methyl bromide

2,900'

Ub

1,mb

3.9b

w

co

---

I

II

I

CAS No.

Chemical

Name

1634-04-4

Methyl tert-butyl ether

Exposure Route-Specific Values for Soils

Industrial-

Construction

Commercial Worker

Ingestion

Inhalation

Ingestion Inhalation

(mgW

(mdkg)

(mgfkg)

(mg/kg)

20,000b

2,000b

-

140b

75-09-2

Methylene chloride

760e

24'

12,ooob

34e

(Dichloromethane)

95-48-7

86-30-6

62

1-64-7

9

1-20-3

98-95-3

C

C

2-Methylphenol

100,000b

-----

100,000b

-----

N-Nitrosodip

henylamine

1,200e

____-

25,oooe

-----

N-Nitrosodi-a-prop

y

Iamine

0.8"

(0

-

Cresol)

C

C

C

c

____-

18"

-----

Naphthalene 41

,mob

270b

4,1Wb

1

.gb

Nitrobenzene

1,000b

140b

1

,mob

9.4b

1"

0.00005e~'

12b

0.lb.f

lOOb

2

-----

h

4,2OOb

5.6

*

0.oO005

0.0018

18

*

0.1

0.26

100

*

20

NA

-----

h

*

21,000

*

108-95-2

1918-02-1

C

Phenol

1,000,000b

-----c

120,000b

-----

Picloram"

140,000b

-----

14,000b

_____

C

C

1336-36-3

129-00-0

Polychlorinated biphenyls

(PCBs)"

lh

-----C*fJ

l

h

  

-----c.h

Pyrene

61,000b

----^

61,000b

_----

C

C

---

I

It

I

CAS

No.

Chemical

Name

122-34-9

Simazine'

100-42-5

Styrene

127-18-4

Tetrachloroethylene

(Perchloroethylene)

108-88-3

Toluene

8001-35-2

Toxaphenen

120-82-1

1,2,4-Trichlorobenzene

71-55-6

1,

I,

1-Trichloroethane

79-00-5

1,1,2-Trichloroethane

79-0 1-6

Trichloroethylene

108-05-4

Vinyl acetate

Exposure Route-Specific Values for Soils

Values

~_i

Industrial-

Construction

Commercial Worker

Ingestion Inhalation Ingestion Inhalation Class

I

Class

II

ADL

(mgh-9

(mglkg)

(mgW

(mglkg)

(mglkg)

(mglkg)

(mg/kg)

C C

10,000b

--_--

1

,mob

0.04

0.37

NA

410,0Wb

1,500d

41

,mob

430'

4

18

*

1

10"

2oe

2,40Oe

28"

0.06

0.3

*

410,000'

650d

410,0Wb

42'

12

29

*

5

.2e

1'70"

1

loe

240"

31 150

*

20,000b

3,2Wd

2,000b

920b

5

53

*

C C

*

-----

1

,2Wd

-----

1,200d

2

9.6

8,200b

1

,800d

8,20Ob

1

,8Wd

0.02

0.3

*

520e

8.ge

1,200b

12"

0.06

0.3

*

l,oOO,mob

1,600b

200,000b

10'

170'

170

*

Soil

Component

of

the

Groundwater Ingestion

Exposure Route

---

Exposure Route-Specific Values for Soils

j

CAS No.

Chemical

Name

75-01-4 Vinyl chloride

108-38-3

m-Xylene

95-47-6

0-Xy

lene

106-42-3

p-Xy lene

1330-20-7

Xylenes (total)

Ionizable Organics

65-85-0

Benzoic

Acid

95-57-8

2-Chlorophenol

Industrial-

Construction

Commercial Worker

Ingestion

Inhalation

Ingestion Inhalation

(mg/kg)

(mglkg)

(Wkg)

(1ng/kg)

7.9"

1.1"

170'

1.lb

1,000,000

420d

410,000b

420'

1,000,000

410'

4l0,O0Ob

410d

I,O00,000

460d

410,00Ob

46Od

l,OOO,OOOb

320d

410,00Ob

320d

c

1

,OOO,OOOb

-----c

820,000b

-----

10,000b

53,000d

10,000b

53,O0Od

Class I

(mg/kg)

0.01f

210

190

200

150

Soil

Component

of

the

Groundwater Ingestion

Exposure Route

Values

Class

I1

ADL

(mgk)

(mglkg)

0.07

*

210

*

190

*

200

*

150

*

400b.i

4b.i

1b.i

400'

*

20'

*

1'

*

120-83-2

5 1-28-5

88-85-7

c

k-

C

-----

C

2,4-Dichlorophenol

6,

loob

_-___

610b

2,4-Dinitrophenol

4,lOOb

-----

410b

C

-----

C

C

-----

C

Dinoseb"

2,ooob

_----

200b

0.34b*i

I

3.4'

*

---

Exposure Route-Specific Values for Soils

~

Chemical

Name

CAS

No.

87-86-5 Pentachlorophenol

93-72- 1

2,4,5-TP

95-95-4

2,4,5-Trichlorophenol

(Silvex)

88-06-2

2,4,6- Trichlorophenol

Industrial-

Construction

Commercial

Worker

Ingestion Inhalation

Ingestion

Inhalation

(mg/kg)

(mg/kg)

(mg/kg)

(mg/kg)

C

C

24"j

_----

520ed

-__--

16,000b

-----

1,600b

___-_

200,00Ob

--_--

200,000b

_----

C C

C C

520e

39Oe

I

1,oooe

540'

I

270b.'

3

2e.f.i

1,400'

*

0.77'

0.66

---

CAS No.

7440-36-0

7440-38-2

7440-39-3

7440-41-7

7440-42-8

7440-43-9

16887-00-6

7440-47-3

16065-83-1

18.540-29-9

Antimony

Arsenic'."

Exposure Route-Specific Values for Soils

C

820b

_----

1

1,200"

I

Xndustrial-

82b

6Ib

Construction

C

----

25,000"

I

I

Worker

Commercial

'~~~~~

Inorganics

0.006"'

0.05"

2.0"

0.004"

2.0"

0.005"

200"

0.1"

-----B

-----

0.024"

0.2"

*

2.0"

*

0.5"

*

2.0"

*

0.05"'

200"

*

I

.om

*

*

*

-----$

*

-----

*

Barium

Beryllium

Boron

Cadmium'*"

Chloride

Chromium, total

Chromium, ion, trivalent

Chromium, ion, hexavalent

140,00Ob

9l0,OOOb

14,000b

870,O0Ob

4,

100b

2,100'

410b

44,000"

180,000b

1

,oo0,000

18,000b

1,000,000

2,000bJ

2,800"

200bJ

59,000'

C

C

C

e

-------

-----

--__-

-----

6,100'

420"

4,

loob

690b

C

C

1,000,000b

-----

310,000b

---_-

6,100b

420e

4,100b

690b

Groundwater Ingestion

Exposure Route

Values

c.

w

---

I

I1

I

CAS

No.

Chemical

Name

7440-48-4

Cobalt

7440-50-8

Copper"

57-12-5

Cyanide (amenable)

7782-41-4

Fluoride

15438-3

1-0

Iron

7439-92-1

Lead

7439-96-5

Manganese

7439-97-6

Mercury',"*'

7440-02-0

Nickel'

14797-55-8

Nitrate as

W

7782-49-2

Selenium'*"

Exposure Route-Specific Values for Soils

I

Industrial-

Commercial

Inhalation

~

(mg/kg)

Ingestion

(mg/kg)

C

120,000b

-----

82,000b

-----

41

,OOOb

----_

120,000b

-_---

c

C

C

C

c

-----

-----

C

400k

-----