FRS Facility Detail Report


GUARDIAN FIBERGLASS, INC.

EPA Registry Id: 110041052339
4812 TABLER STATION ROAD
INWOOD, WV 25428-4599


The facility locations displayed
come from the FRS Spatial
Coordinates tables. They are the
best representative locations for
the displayed facilities based on
the accuracy of the collection
method and quality assurance
checks performed against each
location. The North American
Datum of 1983 is used to display
all coordinates.

Environmental Interests

Information System System Facility Name Information System Id/Report Link Environmental Interest Type Data Source Last Updated Date Supplemental Environmental Interests:
RESOURCE CONSERVATION AND RECOVERY ACT INFORMATION SYSTEM
KNAUF INSULATION, INC. WVD030321533 LQG (Y) RCRAINFO

COMPLIANCE AND EMISSIONS DATA REPORTING INTERFACE
GUARDIAN FIBERGLASS INC - INWOOD CEDRI124093 COMPLIANCE AND EMISSIONS REPORTING API 06/26/2019
EMISSION INVENTORY SYSTEM (EIS)
KNAUF INSULATION, INC. - INWOOD, WV 5001411 AIR EMISSIONS CLASSIFICATION UNKNOWN EIS 11/12/2024
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
KNAUF INSULATION, INWOOD PLANT WVG611440 ICIS-NPDES NON-MAJOR ICIS 08/18/2015 ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
AIR FACILITY SYSTEM
GUARDIAN FIBERGLASS, INC. 5400300012 AIR MAJOR (OPERATING) AIRS/AFS 08/26/2014 ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
KNAUF INSULATION, INWOOD PLANT WVG611440 STORM WATER INDUSTRIAL ICIS 08/18/2015 ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
RACT/BACT/LAER CLEARINGHOUSE
INWOOD 23383 AIR MAJOR RBLC

COMPLIANCE AND EMISSIONS DATA REPORTING INTERFACE
GUARDIAN FIBERGLASS INC - INWOOD CEDRI124093 RISK AND TECHNOLOGY REVIEW RTR

TOXICS RELEASE INVENTORY SYSTEM
KNAUF INSULATION, INC. 25428GRDNFI81TA TRI REPORTER TRIS 06/27/2016 ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
ELECTRONIC GREENHOUSE GAS REPORTING TOOL (E-GGRT)
KNAUF INSULATION INC 1013394 GREENHOUSE GAS REPORTER E-GGRT

NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
KNAUF INSULATION, INC. WVG611942 ICIS-NPDES NON-MAJOR ICIS 02/23/2021

Additional EPA Reports:  

MyEnvironment  Enforcement and Compliance  Facility Coordinates Viewer  Watershed Report

Standard Industrial Classification Codes (SIC)

Data Source SIC Code Description Primary
RBLC
3296
MINERAL WOOL

AIRS/AFS
3229
PRESSED AND BLOWN GLASS AND GLASSWARE, NOT ELSEWHERE CLASSIFIED

NPDES
3296
MINERAL WOOL

Facility Codes and Flags

EPA Region: 03
Duns Number: 054671169, 134875983
Congressional District Number: 02
Legislative District Number:
HUC Code/Watershed: 02070004 / CONOCOCHEAGUE-OPEQUON
US Mexico Border Indicator:
Federal Facility: NO
Tribal Land: NO

Alternative Names

Alternative Name Source of Data
KNAUF INSULATION, INWOOD PLANT NPDES
INWOOD RBLC
KNAUF INSULATION, INC. TRI REPORTING FORM
GUARDIAN FIBER GLASS INC. FRS

Organizations

Affiliation Type Name DUNS Number Information System Mailing Address
PARENT COMPANY
KNAUF INSULATION INC
EIS


OWNER
GUARDIAN FIBERGLASS, INC.
NPDES
View
PARENT COMPANY
GUARDIAN INDUSTRIES CORP 054671169
TRIS


PARENT COMPANY
KNAUF INSULATION 134875983
TRIS


OPERATOR
KNAUF INSULATION INC
RCRAINFO


OWNER
KNAUF INSULATION, INC.
RCRAINFO


PARENT OWNER
KNAUF INSULATION INC
E-GGRT


PARENT OWNER
KNAUF INSULATION GMBH
E-GGRT


National Industry Classification System Codes (NAICS)

Data Source NAICS Code Description Primary
TRIS 327999 ALL OTHER MISCELLANEOUS NONMETALLIC MINERAL PRODUCT MANUFACTURING.
RCRAINFO 327993 MINERAL WOOL MANUFACTURING.
EIS 327993 MINERAL WOOL MANUFACTURING.
AIRS/AFS 327212 OTHER PRESSED AND BLOWN GLASS AND GLASSWARE MANUFACTURING.
E-GGRT 327993 MINERAL WOOL MANUFACTURING.
TRIS 327993 MINERAL WOOL MANUFACTURING.

Facility Mailing Addresses

Affiliation Type Delivery Point City Name State Postal Code Information System
MAILING ADDRESS 4812 TABLER STATION RD INWOOD WV 25428 TRIS
OWNER 4812 TABLER STATION RD INWOOD WV 25428 NPDES
PUBLIC CONTACT RR BOX 240 INWOOD WV 25428 RBLC
FACILITY MAILING ADDRESS OLD AT&T BLDG MARTINSBURG WV 25401 AIRS/AFS
FACILITY MAILING ADDRESS 4812 TABLER STATION ROAD INWOOD WV 25428 RCRAINFO
REGULATORY CONTACT 4812 TABLER STATION ROAD INWOOD WV 25428 RCRAINFO

Contacts

Affiliation Type Full Name Office Phone Information System Mailing Address
PUBLIC CONTACT
JOHN STOTTLENYER
3042676885
RBLC
View
REGULATORY CONTACT
JERRY HADLEY
304-860-5332
RCRAINFO
View
TECHNICAL CONTACT
DON ADAMS
5176302072
TRIS


Query executed on: OCT-15-2025


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