FRS Facility Detail Report


DIAMOND MATERIALS LLC

EPA Registry Id: 110028232990
924 S. HEALD ST.
WILMINGTON, DE 19801


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:
DELAWARE ENVIRONMENTAL NAVIGATOR
DIAMOND MATERIALS - 924 SOUTH HEALD ST, WILMINGTON 10152811 STATE MASTER DEN
DEN-3-000540
UNDERGROUND STORAGE TANK PROGRAM
DEN-7-000128
OIL CONTROL
DEN-1000300069
AIR PROGRAM
DEN-DED004792925
HAZARDOUS WASTE PROGRAM
EMISSION INVENTORY SYSTEM (EIS)
DIAMOND MATERIALS LLC 2455411 AIR EMISSIONS CLASSIFICATION UNKNOWN EIS 01/08/2025
ICIS-AIR (AIR)
DIAMOND MATERIALS, LLC DE0000001000300069 AIR SYNTHETIC MINOR ICIS 11/14/2014
AIR FACILITY SYSTEM
DIAMOND MATERIALS, LLC 1000300069 AIR SYNTHETIC MINOR (OPERATING) AIRS/AFS 09/16/2014
INTEGRATED COMPLIANCE INFORMATION SYSTEM DIAMOND MATERIALS, LLC 600038004 ENFORCEMENT/COMPLIANCE ACTIVITY ICIS 11/12/2007
INTEGRATED COMPLIANCE INFORMATION SYSTEM DIAMOND MATERIALS, LLC 600002110 ENFORCEMENT/COMPLIANCE ACTIVITY ICIS 09/08/2006 ICIS-03-2009-0026
FORMAL ENFORCEMENT ACTION
INTEGRATED COMPLIANCE INFORMATION SYSTEM DIAMOND MATERIALS, LLC 600002110 FORMAL ENFORCEMENT ACTION ICIS 04/13/2009 ICIS-03-2009-0026
FORMAL ENFORCEMENT ACTION

Additional EPA Reports:  

MyEnvironment  Enforcement and Compliance  Facility Coordinates Viewer  Watershed Report

Standard Industrial Classification Codes (SIC)

Data Source SIC Code Description Primary
AIRS/AFS
2951
ASPHALT PAVING MIXTURES AND BLOCKS

AIR
2951
ASPHALT PAVING MIXTURES AND BLOCKS

DEN
2951
ASPHALT PAVING MIXTURES AND BLOCKS

Facility Codes and Flags

EPA Region: 03
Duns Number:
Congressional District Number: 01
Legislative District Number: 02
HUC Code/Watershed: 02040205 / BRANDYWINE-CHRISTINA
US Mexico Border Indicator:
Federal Facility: NO
Tribal Land: NO

Alternative Names

Alternative Name Source of Data
BLACKTOP PRODUCTS COMMERCE SAINT WILM AIRS/AFS
DIAMOND MATERIALS LIMITED LIABILITY COMPANY AIRS/AFS
DIAMOND MATERIALS - 924 SOUTH HEALD ST, WILMINGTON FRS
BLACKTOP PRODUCTS, WILMINGTON AIR VOLUNTARY SUBMISSION
MATERIAL TRUCKING INC DEN

Organizations

Affiliation Type Name DUNS Number Information System Mailing Address
OWNER
DIAMOND MATERIALS LLC
DEN
View
PARENT COMPANY
DIAMOND MATERIALS LLC
EIS


National Industry Classification System Codes (NAICS)

Data Source NAICS Code Description Primary
AIR 324121 ASPHALT PAVING MIXTURE AND BLOCK MANUFACTURING.
DEN 339112 SURGICAL AND MEDICAL INSTRUMENT MANUFACTURING.
DEN 324121 ASPHALT PAVING MIXTURE AND BLOCK MANUFACTURING.
AIRS/AFS 324121 ASPHALT PAVING MIXTURE AND BLOCK MANUFACTURING.
EIS 324121 ASPHALT PAVING MIXTURE AND BLOCK MANUFACTURING.

Facility Mailing Addresses

Affiliation Type Delivery Point City Name State Postal Code Information System
FACILITY MAILING ADDRESS 924 SOUTH HEALD STREET WILMINGTON DE 19801 AIRS/AFS
OWNER 924 SOUTH HEALD STREET WILMINGTON DE 19801 DEN
MAILING ADDRESS 924 SOUTH HEALD STREET WILMINGTON DE 19801 AIR

Contacts

Affiliation Type Full Name Office Phone Information System Mailing Address
UNKNOWN CONTACT
QUENTIN SAIENNI
3026586524
AIR


PRIMARY CONTACT
PAUL LESTER
3024205826
AIR


PRIMARY FACILITY SITE CONTACT
PAUL LESTER
3024205826
AIR


COMPLIANCE CONTACT
QUENTIN SAIENNI
3026586524
AIRS/AFS


UNKNOWN CONTACT
QUENTIN SAIENNI
3026586524
AIRS/AFS


COMPLIANCE CONTACT
QUENTIN SAIENNI
3026586524
AIR


Query executed on: OCT-14-2025