Frank R. Schmidt, P.E.· 

Manville Sales corporation 

P.O. Box 5108 

Denver, CQ 80217-5108 

Dear Mr. Schmidt: 

'Af'R 0 6 1909' 

IN REPLY 

REFER TO: 

A-3-1 

NSR 4-4--:-4 

SAC 77-07 

This letter contains our response to your December 7, 1988 

request for a modification to the Prevention of Significant 

Deterioration (PSD) permit (NSR 4-4-4; SAC 77-07) issued to Manville Sales Corporation on October 3, 1978, for the construction 

of a fiber glass plant located in Willows, California. 

A request for public comment regarding EPA's proposed action 

on the above request has been published. Only one minor administrative error was commented on (please note the revised 

emission limit on the Cooling operation (source #9) of Line 132). 

After consideration of all interested persons (including State 

and local agencies), and pertinent Federal statutes and regula-. 

tions, the EPA hereby issues the enclosed amendments to the Approval to construct/Modify a Stationary Source for the facilities 

described above. This action does not constitute a significant 

change from the proposed action set forth and offered for public 

comment. This action shall be effective immediately . 

. . Should you have any questions regarding this matter, please· 

contact Peter Fickenscher of our New Source section at (415) 

• 974-8226 . ... 

Enclosure 

cc: Ray Menebroker, CARB 

Ed Romano, Glenn county APCD 

SYMBOL 

SURNAME 

DATE 

U.S. EPA 

Sincerely, 

David P. Howekamp 

Director 

Air and Toxics Division 

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"+1-J--~- ' I I OFFICIAL FILE COPY 
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ADDENDUM 

PERMIT CONDITIONS 

MANVILLE SALES CORPORATION 

(NSR 4-4-4, SAC 77-07) 

The October 3, 1978, Authority to Construct (as amended· on November 16, 1979) . is hereby amended .. 

The first part of Special Condition VIII.A.2. is amended to read 

as follows: 

A. Performance Tests 

2. The performance tests shall be conducted for the 

operations designated below: 

Line 132: 

Line 133: 

Collection and curing operations; 

Collection and curing operations. 

Special Condition VIII.B. is amended to read as follows: 

B. 

L!NE 

Emission Limits for Particulate ·"' Matter 

On and after the date of startup of the equipment. for 

which the performance tests required to be conducted by 

Special Condition A above is initiated, Johns-Manville 

Sales Corporation shall not discharge or cause the discharge into the atmosphere from the subject equipment 

any gases which contain particulate matter in excess of 

the amounts indicated below for the following sources: 

132 (HERM} 

Maximum 

Source No~ ·operation lbs/hr 

1 Melter 1. 25 

2-7 Collection 3.79 (per unit) 

8 Curing 5.00 

9 Cooling 0.76 

10-12 Mixed Batch Day Bin 0.20 (j:»er ·unit) 

13 Storage Bin 0.20 

14 Blender 0.20. 

15 Receiver 0.20 

16-17 Wool Blowing 0.10 (per unit) 

18,38-40 Cull et 0.01 (per unit) 
' ... 

LINE 133 {HERM} 

Maximum 

source No. QgeratiQn lbsLhr 

19-26 Silos 0.20* 

27 Melter 1. 25 

28-30 Collection 7.58 (per unit

31 curing 5.00 

32 cooling 0.76 

33-35 Mixed Batch Day Bin 0.20 (per unit

36 Storage Bin 0.20 

37 Blender/Receiver 0.40 

* Only one silo is permitted to operate at ·any one tim

All other permit conditions remain unchanged and in effect. 

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