ILLINOIS POLLUTION CONTROL BOARD

August

3,

1978

IN THE

MATTER

OF:

)

)

PROPOSED

AMENDMENT

OF THE

)

R76-16

NOISE REGULATIONS,

RULE

209(f),

)

BLASTING NOISE

)

ORDER OF THE BOARD

(by Mr. Goodman):

The Board hereby proposes

to adopt the following amendment

to Rule 209(f)

of the Noise Regulations, Chapter

8 of the Board’s

Rules and Regulations.

This proposed amendment shall be subject

to a 60-day public comment period.

PROPOSED FINAL DRAFT ORDER

Rule 209: Compliance Dates for Part

2

(f)

Every owner or operator of Class C land now or

hereafter used as specified by SLUCM Codes 852

and 854 shall have

ree—yea-~e~-the-e??ee~—

~

to and including

January

1,

1980,

to bring the sound from neces-

sary explosive blasting activities in compli-

ance with Rule 206, provided that such blasting

activities are conducted between 8:00 a.m. and

5:00 p.m. local time,

at specified hours pre-

viously announced to the local public, and that

the following standard practices are employed:

1.

Accurate drilling shall be maintained, and

setbacks shall be used to determine burden

on the following shot;

2.

Drill patterns having optimum spacing-to-

burden ratios shall be used;

3.

Proper stemming height and stemming

materials shall be used;

4.

The use of uncovered explosives,

such as

detonating cord,

shall be avoided;

5.

A longer delay interval between rows than

between holes in

a row shall be

used

31—221

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—2—

7.

The rate of blast progression along the

face shall be kept subsonic, preferably

less than 500 feet per second,

to elimi-

nate beam formation;

8.

Weather conditions shall be considered,

and blasting shall be avoided under in-

clement conditions or early

in the

morning or late in the afternoon when

temperature inversions may be present

9.

The blast shall proceed in the proper

sequence;

10.

The maximum peak particle velocity of the

ground motion in any plane shall not ex-

ceed

1 inch per second at the immediate

location of any dwelling, public building,

schobi,

church,

or commercial or institu-

tional building;

and

11.

Airblast shall be controlled such that it

does not exceed 128 decibels linear-peak

for the surface mining of coal and for

stone quarrying,

as measured at any dwell-

ing,

public building,

school,

church,

or

commercial or institutional building.

I, Christan L. Moffett, Clerk of the Illinois Pollution

Control Board, hereby certify the above Order was adopted on

the

~

day of

~

,

1978 by a vote of

~

Christan L. Moff’~, Clerk

Illinois Pollution Control Board

6.

Long delays between holes shall be avoided

to prevent unburdening holes

31—222