ILLINOIS POLLUTION CONTROL BOARD

September 13,

1971

GAP

CORPORATION

v.

)

PCB 71-us

(Supplementary)

ENVIRONMENTAL PROTECTION AGENCY

ORDER

The Board, having considered the petition, recommendation,

transcript

and exhibits in this proceeding,

hereby grants

the

petition of GAF Corporation for

a variance, subject

to the following

conditions:

1.

This grant of variance extends

to April 30,

1972

to allow

discharge of suspended solids and BOD after primary treatment

into the Des Plaines River in excess of the amount allowed by

regulation.

This variance is granted to allow the company

time to install secondary waste treatment facilities

to meet

all applicable effluent

and water quality standards.

2.

Overtime work shall be used whenever possible during the

construction of the secondary treatment facilities.

3.

GAP

shall submit monthly progress reports to the Environmental

Protection Agency on the first working day of each calendar

month until the work on the secondary treatment facilities

is complete.

The first report shall be submitted on October

1,

1971.

The progress reports shall detail progress

to date

and fully explain any deviations from the construction schedule.

4.

All terms

and conditions

of the previous orders remain in

full force and effect except as herein modified.

5.

During

the period that this variance is in effect GAF

shall

not increase

the pollutional nature of its discharge either

in strength or in volume.

6.

The failure of

the

petitioner

to adhere to any of

the conditions

of

this Order shall be grounds for revocation of the variance,

I, Regina

B.

Ryan, Clerk of the Illinois Pollution Control Board,

certify

that

the

Board

adopted

the

above

Order

on

the 13th

day

of

September,

1971.

~

ReginaE.

Ryan,

Clerk

Illinois

Pollution

Control

Board