Form A

COMPANY/FACILITY INFORMATION

Legal Parent Company / Legal Corporate Name Guardian Fiberglass Inc.

Facility Name Inwood

Facility Address

 Street 4812 Tabler Station Road

 City Inwood

 State West Virginia

 Zip Code 25428

Technical Contact

 Name Grover Thomas

 Technical Contact Title Env. Manager

 Telephone 517-630-2700

 Email groverthomas@bp.guardian.com

General Facility Information

Is the facility currently a major source of HAP? Yes

If No, did the facility take a limit of its potential HAP 

emissions to avoid classification as a major source: NA

If Yes, does the facility anticipate becoming an area 

source in the future due to any changes in process 

operations (i.e., eliminating the use of HAP binders): Yes

Estimated date facility will no longer be a major 

source (mo/yr). 6/30/2013

If applicable, explain the reason that the facility will 

no longer be a major source in the future.

This facility is planning the phase out 

of HAP binders which will result in the 

facility becoming an area source. 

Binder Use Data

Does the facility currently use phenol-formaldehyde 

binders? Yes

If yes, how many lines currently use phenolformaldehyde binders? 2

Does the facility plan on phasing out the use of 

phenol-formaldehyde binders completely? Yes

If yes, what is the anticipated date of the complete 

phase out? 6/30/2013

Will this phase out change the facility status from a 

Major source to an Area source? Yes

Wool Fiberglass 2011 ICR 
Form B

FURNACE INFORMATION

2

Fill out the following information for EACH furnace at your facility (list each furnace individually):

Furnace Unit ID Furnace Type

Does this furnace 

share a stack or 

control device with 

other units?

If Yes, List the Unit 

IDs that share a 

stack with this 

furnace

Original Date of 

Construction 

Completed (mo/yr)

Most Recent 

Rebuild 

(mo/yr)

Estimated 

future rebuild 

(mo/yr)

Max Operating 

Furnace 

Temperature 

(F)

Average 

Temperature of 

Molten Glass 

Exiting Furnace 

(F)

Average Mass 

of Molten Glass 

Exiting the 

Furnace (lbs/hr)

Average 

Volume of 

Molten Glass 

Exiting the 

Furnace (ft3/hr)

Average Pull 

Rate (tons/hr)

Total Interior 

Surface Area of 

Furnace below 

Glass Melt Line 

(ft2)*

Total Interior 

Surface Area of 

Furnace above 

Glass Melt Line 

(ft2)*

Glass Contact 

Floor

Breast Wall - 

below Glass 

Melt Line

Breast Wall - at 

and above 

Glass Melt Line

Side Wall - 

below Glass 

Melt Line

Side Wall - at 

and above 

Glass Melt Line

Back Wall - 

below Glass 

Melt Line

Back Wall -at 

and above 

Glass Melt Line Crown Port Neck Throat

Line 1 (Group 002) Cold Top 

Electric Steel 

Shell No 07/1998 04/2007 04/2016 2900 to 3100 2350 to 2550 6,600 41.0 3.3 257 4.0 30% NA NA 91% 91% NA NA NA NA 83-95%

Line 2 (Group 003) Note: 

This furnace has been 

shutdown since 2008

Cold Top 

Electric Steel 

Shell No 08/2004 NA 03/2015 2900 to 3100 2350 to 2550 6800 42.2 3.4 339 4.7 29% NA NA 95% 95% NA NA NA NA 83-95%

Furnace Unit ID

Type of 

Control Device

Pollutants 

Controlled

Date of Original 

Installation 

Date of Next Major 

Maintenance Event 

(mo/yr)

Type of 

Control Device

Pollutants 

Controlled

Date of 

Original 

Installation 

Date of Next 

Major 

Maintenance 

Event (mo/yr)

Type of Control 

Device

Pollutants 

Controlled

Date of Original 

Installation 

Date of Next 

Major 

Maintenance 

Event (mo/yr)

0

Line 1 (Group 002) Baghouse PM Jul-98 None Planned

Line 2 (Group 003) Note: 

This furnace has been 

shutdown since 2008 Baghouse PM Aug-04 None Planned

0

0

0

0

0

0

0

 

* If there are special design characteristics to be considered, please submit drawings or schematics to indicate how surface area calculations were made.

Control Device 1 Control Device 2 Control Device 3

For each furnace you must attach a purchase order or similar documentation that verifies the chrome percentages of the refractory materials listed below. 

Percentage of Chromite/Chromium Oxide 

List the TOTAL number of glass-melting furnaces at 

your facility (include any furnaces not currently 

operating). Do not group furnaces that share a stack 

and/or control device together. Do not include pot and 

marble units, specialty, or glass marble melting 

Wool Fiberglass 2011 ICR 
EMISSION TEST DATA RESULTS

Furnace Unit ID

Run 1 Run 2 Run 3

 Average Pull Rate of 

Furnace During Test Runs 

(ton of glass pulled / hour)

Run 1 Run 2 Run 3

 Average Pull Rate of 

Furnace During Test Runs 

(ton of glass pulled / hour)

Run 1 Run 2 Run 3

 Average Pull Rate of 

Furnace During Test Runs 

(ton of glass pulled / hour)

Run 1 Run 2 Run 3

 Average Pull Rate of 

Furnace During Test Runs 

(ton of glass pulled/hour)

0

Line 1 (Group 002) 0.0120 0.0090 0.0030 3.41 0.00000408 0.00000302 0.00000284 3.41 0.00000115 0.00000209 0.00000137 3.41 0.00000523 0.00000540 0.00000409 3.41

Line 2 (Group 003) Note: 

This furnace has been 

shutdown since 2008

Shut Down Shut Down Shut Down Shut Down Shut Down Shut Down Shut Down Shut Down Shut Down Shut Down Shut Down Shut Down Shut Down Shut Down Shut Down Shut Down

0

0

0

0

0

0

0

Furnace Unit ID

Run 1 Run 2 Run 3

 Average Pull Rate of 

Furnace During Test Runs 

(ton of glass pulled / hour)

Run 1 Run 2 Run 3

 Average Pull Rate of 

Furnace During Test Runs 

(ton of glass pulled / hour)

0

Line 1 (Group 002) 0.00000878 0.00000329 0.00000162 3.41 0.00000209 0.00000277 0.00000243 3.41

Line 2 (Group 003) Note: 

This furnace has been 

shutdown since 2008

Shut Down Shut Down Shut Down Shut Down Shut Down Shut Down Shut Down Shut Down

0

0

0

0

0

0

0

Method 29 Total Chromium Results (lb/ton)

Method 0061 Hexavalent Results (lb/ton)

Method 29 Filterable PM Results (lb/ton)

Method 0061 Total Chrome Results (lb/ton)

Method 29 Filterable Chromium Results (lb/ton) Method 29 Vaporous Chromium Results (lb/ton)

Wool Fiberglass 2011 ICR