| MARTIN MARIETTA NORTH TEXAS CEMENT LLC | MIDLOTHIAN | TX | Chromium compounds (except for chromite ore mined in the Transvaal Region of South Africa and the unreacted ore component of the chromite ore processing residue (COPR). COPR is the solid waste remaining after aqueous extraction of oxidized chromite ore that has been combined with soda ash and kiln roasted at approximately 2,000 F.) | 500 | 0 | 62,954 | 88.05% | 11.1% | 61.8% | |
| MARTIN MARIETTA NORTH TEXAS CEMENT LLC | MIDLOTHIAN | TX | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 124,600 | 0 | 5,465 | 7.64% | 13.0% | 69.9% | |
| MARTIN MARIETTA SOUTH TEXAS CEMENT LLC. | NEW BRAUNFELS | TX | Chromium compounds (except for chromite ore mined in the Transvaal Region of South Africa and the unreacted ore component of the chromite ore processing residue (COPR). COPR is the solid waste remaining after aqueous extraction of oxidized chromite ore that has been combined with soda ash and kiln roasted at approximately 2,000 F.) | 94 | 0 | 1,889 | 2.64% | 9.0% | 46.8% | |
| MARTIN MARIETTA SOUTHERN CALIFORNIA CEMENT LLC - TEHACHAPI | TEHACHAPI | CA | Chromium compounds (except for chromite ore mined in the Transvaal Region of South Africa and the unreacted ore component of the chromite ore processing residue (COPR). COPR is the solid waste remaining after aqueous extraction of oxidized chromite ore that has been combined with soda ash and kiln roasted at approximately 2,000 F.) | 25 | 0 | 310 | 0.43% | 15.4% | 50.2% | |
| MARTIN MARIETTA NORTH TEXAS CEMENT LLC | MIDLOTHIAN | TX | Manganese compounds | 1,000 | 0 | 295 | 0.41% | 11.5% | 63.8% | |
| MARTIN MARIETTA MAGNESIA SPECIALTIES WOODVILLE | WOODVILLE | OH | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 80,071 | 0 | 210 | 0.29% | 13.6% | 22.1% | |
| MARTIN MARIETTA SOUTH TEXAS CEMENT LLC. | NEW BRAUNFELS | TX | Manganese compounds | 1,038 | 0 | 63 | 0.09% | 9.1% | 48.0% | |
| HANSON AGGREGATES LLC - 51ST AVENUE | PHOENIX | AZ | Lead compounds | 15 | 0 | 56 | 0.08% | 14.8% | 63.7% | |
| MARTIN MARIETTA GORDON ASPHALT | DENVER | CO | Polycyclic aromatic compounds | 1 | 0 | 48 | 0.07% | 10.0% | 53.9% | |
| MARTIN MARIETTA SPEC AGG | GOLDEN | CO | Polycyclic aromatic compounds | 2 | 0 | 42 | 0.06% | 8.1% | 25.8% | |
| MARTIN MARIETTA - CAPITAL FACILITY | COLORADO SPRINGS | CO | Polycyclic aromatic compounds | 1 | 0 | 35 | 0.05% | 8.2% | 44.6% | |
| HANSON AGGREGATES LLC - 51ST AVENUE | PHOENIX | AZ | Polycyclic aromatic compounds | 1 | 0 | 33 | 0.05% | 16.2% | 75.7% | |
| MARTIN MARIETTA - HWY 85 FACILITY | COLORADO SPRINGS | CO | Polycyclic aromatic compounds | 1 | 0 | 20 | 0.03% | 12.4% | 46.2% | |
| MARTIN MARIETTA SAN DIEGO AGGREGATES LLC - MIRAMAR HMA | SAN DIEGO | CA | Polycyclic aromatic compounds | 0 | 0 | 12 | 0.02% | 10.9% | 56.7% | |
| MISSION VALLEY ROCK | SUNOL | CA | Polycyclic aromatic compounds | 0 | 0 | 9 | 0.01% | 5.4% | 73.4% | |
| MISSION VALLEY ROCK | SUNOL | CA | Lead compounds | 2 | 0 | 8 | 0.01% | 5.6% | 73.7% | |
| MARTIN MARIETTA GREELEY 35TH AVE | GREELEY | CO | Polycyclic aromatic compounds | 1 | 0 | 8 | 0.01% | 12.6% | 48.7% | |
| MARTIN MARIETTA MAGNESIA SPECIALTIES WOODVILLE | WOODVILLE | OH | Dioxin and dioxin-like compounds (Manufacturing; and the processing or otherwise use of dioxin and dioxin like compounds if the dioxin and dioxin like compounds are present as contaminants in a chemical and if they were created during the manufacturing of that chemical.) | 0 | 0 | 7 | 0.01% | 13.6% | 22.1% | |
| MARTIN MARIETTA NORTH TEXAS CEMENT LLC | MIDLOTHIAN | TX | Mercury compounds | 36 | 0 | 5 | 0.01% | 13.0% | 69.9% | |
| MARTIN MARIETTA NORTH TEXAS CEMENT LLC | MIDLOTHIAN | TX | Lead compounds | 17 | 0 | 5 | 0.01% | 12.8% | 69.3% | |
| MARTIN MARIETTA - TAFT ASPHALT | FORT COLLINS | CO | Polycyclic aromatic compounds | 1 | 0 | 5 | 0.01% | 16.1% | 22.5% | |
| HANSON AGGREGATES LLC - RIVER RANCH | LITCHFIELD PARK | AZ | Lead | 1 | 0 | 3 | 0.00% | 12.8% | 55.0% | |
| MARTIN MARIETTA SOUTH TEXAS CEMENT LLC. | NEW BRAUNFELS | TX | Ammonia (includes anhydrous ammonia and aqueous ammonia from water dissociable ammonium salts and other sources; 10 percent of total aqueous ammonia is reportable under this listing) | 58,640 | 0 | 3 | 0.00% | 8.9% | 45.9% | |
| MARTIN MARIETTA SOUTH TEXAS CEMENT LLC. | NEW BRAUNFELS | TX | Lead compounds | 16 | 0 | 2 | 0.00% | 9.1% | 48.0% | |
| MARTIN MARIETTA SAN DIEGO AGGREGATES LLC - MIRAMAR HMA | SAN DIEGO | CA | Lead compounds | 0 | 0 | 2 | 0.00% | 10.7% | 57.0% | |
| MARTIN MARIETTA SOUTH TEXAS CEMENT LLC. | NEW BRAUNFELS | TX | Mercury compounds | 26 | 0 | 1 | 0.00% | 9.1% | 48.6% | |
| HANSON AGGREGATES LLC - DOBSON | SCOTTSDALE | AZ | Lead | 0 | 0 | 1 | 0.00% | 16.1% | 58.8% | |
| MISSION VALLEY ROCK | SUNOL | CA | Mercury compounds | 0 | 0 | 1 | 0.00% | 5.6% | 73.8% | |
| MARTIN MARIETTA MAGNESIA SPECIALTIES WOODVILLE | WOODVILLE | OH | Mercury compounds | 4 | 0 | 1 | 0.00% | 13.6% | 22.1% | |
| HANSON AGGREGATES LLC - CLARKDALE | CLARKDALE | AZ | Lead compounds | 8 | 0 | 1 | 0.00% | 13.6% | 22.3% | |
| MARTIN MARIETTA NORTH TEXAS CEMENT LLC | MIDLOTHIAN | TX | Zinc compounds | 255 | 0 | 0 | 0.00% | 12.7% | 69.0% | |
| MARTIN MARIETTA SOUTHERN CALIFORNIA CEMENT LLC - TEHACHAPI | TEHACHAPI | CA | Mercury compounds | 29 | 0 | 0 | 0.00% | 17.9% | 56.7% | |
| TXI-ROUND ROCK READY MIX | ROUND ROCK | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 11.5% | 58.1% | |
| TXI-CORINTH STREET READY MIX | DALLAS | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 13.9% | 61.6% | |
| TXI-GREEN READY MIX | AUSTIN | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 11.4% | 62.8% | |
| MM-LAWNWOOD READY MIX | FORT WORTH | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 13.7% | 65.7% | |
| TXI-RICHARDSON READY MIX | RICHARDSON | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 11.1% | 58.9% | |
| MM-SOUTH ARLINGTON READY MIX | ARLINGTON | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 11.5% | 68.8% | |
| TXI-CAMEY READY MIX | FRISCO | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 8.4% | 54.2% | |
| TXI-WINTERGREEN READY MIX | DESOTO | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 16.6% | 79.2% | |
| MARTIN MARIETTA SOUTHERN CALIFORNIA CEMENT LLC - TEHACHAPI | TEHACHAPI | CA | Lead compounds | 3 | 0 | 0 | 0.00% | 15.8% | 51.3% | |
| TXI-LEWISVILLE READY MIX | LEWISVILLE | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 9.1% | 57.9% | |
| MM-ROANOKE READY MIX | ROANOKE | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 8.9% | 49.9% | |
| READY MIX #8 | SAN ANTONIO | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 17.4% | 71.2% | |
| MM-HEMPHILL READY MIX | FORT WORTH | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 15.4% | 67.4% | |
| MISSION VALLEY ROCK | SUNOL | CA | Zinc compounds | 5 | 0 | 0 | 0.00% | 5.7% | 73.5% | |
| MM-EULESS READY MIX | EULESS | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 9.8% | 57.5% | |
| TXI-LAKE JUNE ROAD READY MIX | BALCH SPRINGS | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 14.2% | 72.9% | |
| MM-MIDLOTHIAN EASTGATE READY MIX | MIDLOTHIAN | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 13.6% | 67.2% | |
| TXI-GEORGETOWN READY MIX | GEORGETOWN | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 7.9% | 46.9% | |
| OCONNOR READY MIX PLANT 11 | SAN ANTONIO | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 11.5% | 64.9% | |
| TXI-SPANGLER ROAD READY MIX | DALLAS | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 11.0% | 67.2% | |
| READY MIX #10 | SAN ANTONIO | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 11.9% | 76.9% | |
| TXI-CIBOLO READY MIX | CIBOLO | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 12.3% | 65.8% | |
| MM-DENTON READY MIX | DENTON | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 10.2% | 47.4% | |
| MARTIN MARIETTA SOUTHERN CALIFORNIA CEMENT LLC - TEHACHAPI | TEHACHAPI | CA | Ammonia (includes anhydrous ammonia and aqueous ammonia from water dissociable ammonium salts and other sources; 10 percent of total aqueous ammonia is reportable under this listing) | 10,631 | 0 | 0 | 0.00% | 17.9% | 56.8% | |
| TXI-GREEN PORTABLE READY MIX | AUSTIN | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 11.4% | 63.0% | |
| TXI-VOLENTE READY MIX | AUSTIN | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 6.6% | 44.7% | |
| TXI-WILMER READY MIX | WILMER | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 16.9% | 75.3% | |
| MM-MIDLOTHIAN RAILPORT READY MIX | MIDLOTHIAN | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 12.9% | 71.7% | |
| MM - PORTABLE 910 - DHL WAREHOUSE BUILDING C | NORTHLAKE | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 9.0% | 50.8% | |
| MARTIN MARIETTA SAN DIEGO AGGREGATES LLC - MIRAMAR HMA | SAN DIEGO | CA | Benzo[g,h,i]perylene | 0 | 0 | 0 | 0.00% | 10.9% | 56.9% | |
| MARTIN MARIETTA - CAPITAL FACILITY | COLORADO SPRINGS | CO | Benzo[g,h,i]perylene | 0 | 0 | 0 | 0.00% | 7.8% | 46.2% | |
| TXI-SAN MARCOS READY MIX | SAN MARCOS | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 15.6% | 52.4% | |
| MARTIN MARIETTA GORDON ASPHALT | DENVER | CO | Benzo[g,h,i]perylene | 0 | 0 | 0 | 0.00% | 9.8% | 55.4% | |
| MARTIN MARIETTA SPEC AGG | GOLDEN | CO | Benzo[g,h,i]perylene | 0 | 0 | 0 | 0.00% | 7.8% | 22.7% | |
| MM-PORTABLE 904 - PIKE PROJECT LANCASTER | LANCASTER | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 17.3% | 76.2% | |
| MISSION VALLEY ROCK | SUNOL | CA | Benzo[g,h,i]perylene | 0 | 0 | 0 | 0.00% | 5.4% | 73.6% | |
| TXI-ROWLETT READY MIX | ROWLETT | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 10.2% | 63.8% | |
| TXI-TERRELL READY MIX | TERRELL | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 11.9% | 60.7% | |
| MM-MARKUM READY MIX | FORT WORTH | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 11.2% | 48.6% | |
| WAXAHACHIE PLANT | WAXAHACHIE | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 13.8% | 72.3% | |
| MM-RHOME READY MIX | RHOME | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 10.4% | 49.7% | |
| TXI OPERATIONS LP-DOLLINGER READY MIX PLANT | BEAUMONT | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 23.1% | 65.7% | |
| TXI-LEANDER READY MIX | LEANDER | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 6.9% | 46.9% | |
| HANSON AGGREGATES LLC - 51ST AVENUE | PHOENIX | AZ | Benzo[g,h,i]perylene | 0 | 0 | 0 | 0.00% | 15.9% | 70.1% | |
| TXI-MCKINNEY READY MIX | MCKINNEY | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 8.7% | 52.1% | |
| MARTIN MARIETTA CA READY MIX - SAN LUIS OBIPSO | SAN LUIS OBISPO | CA | Mercury compounds | 0 | 0 | 0 | 0.00% | 18.0% | 39.3% | |
| TXI-LONGVIEW WEST READY MIX | LONGVIEW | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 17.6% | 42.7% | |
| MM-CLEBURNE READY MIX | CLEBURNE | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 13.7% | 53.6% | |
| MARTIN MARIETTA MAGNESIA SPECIALTIES WOODVILLE | WOODVILLE | OH | Lead compounds | 0 | 0 | 0 | 0.00% | 13.6% | 22.1% | |
| MARTIN MARIETTA - HWY 85 FACILITY | COLORADO SPRINGS | CO | Benzo[g,h,i]perylene | 0 | 0 | 0 | 0.00% | 12.6% | 47.5% | |
| HANSON AGGREGATES LLC - YAVAPAI | PRESCOTT | AZ | Lead | 0 | 0 | 0 | 0.00% | 11.3% | 23.0% | |
| TXI-TYLER READY MIX | TYLER | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 13.8% | 44.7% | |
| TXI PORT ARTHUR READY MIX | PORT ARTHUR | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 18.6% | 56.4% | |
| TXI-GREENVILLE READY MIX | GREENVILLE | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 11.6% | 35.9% | |
| TXI-MID COUNTY READY MIX | NEDERLAND | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 12.5% | 45.9% | |
| TXI-BASTROP READY MIX | BASTROP | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 12.6% | 59.3% | |
| MM-WEATHERFORD READY MIX | WEATHERFORD | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 10.7% | 35.2% | |
| MM-PORTABLE 905 LOOP 12 PROJECT | IRVING | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 11.4% | 68.5% | |
| MM-SANGER READY MIX | SANGER | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 8.4% | 43.2% | |
| TXI-TYLER SOUTH READY MIX | TYLER | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 11.4% | 41.0% | |
| MARTIN MARIETTA CALIFORNIA READY-MIX LLC - NIPOMO READY MIX | NIPOMO | CA | Mercury | 0 | 0 | 0 | 0.00% | 9.0% | 65.2% | |
| MARTIN MARIETTA GREELEY 35TH AVE | GREELEY | CO | Benzo[g,h,i]perylene | 0 | 0 | 0 | 0.00% | 12.5% | 49.8% | |
| TXI-TYLER NORTH READY MIX | TYLER | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 15.0% | 54.0% | |
| TXI-ATHENS READY MIX | ATHENS | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 22.9% | 54.9% | |
| TXI - JACKSONVILLE READY MIX | JACKSONVILLE | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 21.4% | 53.6% | |
| MARTIN MARIETTA - TAFT ASPHALT | FORT COLLINS | CO | Benzo[g,h,i]perylene | 0 | 0 | 0 | 0.00% | 15.7% | 21.4% | |
| TXI-MABANK READY MIX | MABANK | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 15.5% | 30.4% | |
| TXI-MT PLEASANT READY MIX | MOUNT PLEASANT | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 16.3% | 67.0% | |
| RIVER CITY READY MIX LLC - RUSTON | RUSTON | LA | Lead compounds | 0 | 0 | 0 | 0.00% | 25.1% | 44.8% | |
| TXI-MINEOLA READY MIX | MINEOLA | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 13.2% | 33.0% | |
| CORSICANA READY MIX | CORSICANA | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 14.9% | 49.4% | |
| MM-HURST CTM & SUPER SLURRY | HURST | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 10.3% | 51.3% | |
| TXI-SEVEN POINTS READY MIX | SEVEN POINTS | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 14.2% | 33.0% | |
| MARTIN MARIETTA MAGNESIA SPECIALTIES WOODVILLE | WOODVILLE | OH | Nitric acid | 0 | 0 | 0 | 0.00% | 13.6% | 22.1% | |
| ENNIS READY MIX | ENNIS | TX | Lead compounds | 0 | 0 | 0 | 0.00% | 15.7% | 74.2% | |
