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| Data Source: 2024 Dataset (released November 2025) | See Note |
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| TRI On-site and Off-site Reported Disposed of or Otherwise Released (in pounds), for all 22 facilities, for facilities in NAICS 324 - Petroleum,NAICS 325 - Chemicals,NAICS 211 - Natural Gas Processing,NAICS 4246 - Chemical Wholesalers (added 1998),NAICS 4247 - Petroleum Bulk Terminals (added 1998),NAICS 562 - Hazardous Waste (added 1998), for All chemicals, Contra Costa County, California, 2024 |
| Row # | Facility | Total On-site Disposal or Other Releases | Total Off-site Disposal or Other Releases | Total On- and Off-site Disposal or Other Releases |
|---|---|---|---|---|
| 1 | AIR LIQUIDE LARGE INDUSTRIES US LP - RODEO HYDROGEN PLANT.1391 SAN PABLO AVENUE, RODEO CALIFORNIA 94572 (CONTRA COSTA) | 24,132 | 222,000 | 246,132 |
Ammonia (325 - Chemicals) |
24,000 | . | 24,000 | |
| 2 | 22,000 | 22,002 | ||
Methanol (325 - Chemicals) |
44 | . | 44 | |
Nickel compounds (325 - Chemicals) |
5 | . | 5 | |
Zinc compounds (325 - Chemicals) |
1 | 200,000 | 200,001 | |
n-Hexane (325 - Chemicals) |
80 | . | 80 | |
| 2 | AIR PRODUCTS & CHEMICALS INC (MARTINEZ-WATERFRONT ROAD).110 WATERFRONT RD GATE 75, MARTINEZ CALIFORNIA 94553 (CONTRA COSTA) | 26,771 | 1,578 | 28,349 |
Ammonia (325 - Chemicals) |
20,188 | 139 | 20,327 | |
Ethylene (325 - Chemicals) |
44 | . | 44 | |
Methanol (325 - Chemicals) |
6,503 | 1,439 | 7,942 | |
Propylene (325 - Chemicals) |
36 | . | 36 | |
Zinc compounds (325 - Chemicals) |
0 | . | 0 | |
| 3 | AIR PRODUCTS WEST COAST HYDROGEN - HP-1.3485 PACHECO BLVD, MARTINEZ CALIFORNIA 94553 (CONTRA COSTA) | 2,642 | 142 | 2,784 |
Ammonia (325 - Chemicals) |
1,304 | 63 | 1,367 | |
| 0 | . | 0 | ||
Copper compounds (325 - Chemicals) |
0 | . | 0 | |
Ethylene (325 - Chemicals) |
20 | . | 20 | |
Methanol (325 - Chemicals) |
1,304 | 79 | 1,383 | |
Propylene (325 - Chemicals) |
13 | . | 13 | |
Zinc compounds (325 - Chemicals) |
0 | . | 0 | |
n-Hexane (325 - Chemicals) |
1 | . | 1 | |
| 4 | AIR PRODUCTS WEST COAST HYDROGEN - HP-2.1915 SHELL AVE, MARTINEZ CALIFORNIA 94553 (CONTRA COSTA) | 17,372 | 1,641 | 19,013 |
| 0 | . | 0 | ||
Ethylene (325 - Chemicals) |
0 | . | 0 | |
Methanol (325 - Chemicals) |
17,371 | 1,641 | 19,012 | |
Propylene (325 - Chemicals) |
0 | . | 0 | |
| 5 | BIO-RAD LABORATORIES INC.3110 REGATTA BLVD, RICHMOND CALIFORNIA 94804 (CONTRA COSTA) | 689 | . | 689 |
Acrylamide (325 - Chemicals) |
0 | . | 0 | |
Mercury (325 - Chemicals) |
0 | . | 0 | |
Methanol (325 - Chemicals) |
652 | . | 652 | |
Tetrachloroethylene (325 - Chemicals) |
37 | . | 37 | |
| 6 | BRENNTAG PACIFIC INC..860 WHARF ST, RICHMOND CALIFORNIA 94804 (CONTRA COSTA) | 500 | 1,700 | 2,200 |
Ethylene glycol (4246 - Chemical Wholesalers (added 1998)) |
500 | 1,700 | 2,200 | |
Nitric acid (4246 - Chemical Wholesalers (added 1998)) |
. | . | . | |
| 7 | CHEMTRADE WEST US LLC.525 CASTRO ST, RICHMOND CALIFORNIA 94801 (CONTRA COSTA) | 805 | . | 805 |
| 805 | . | 805 | ||
| 8 | CHEVRON PRODUCTS CO RICHMOND REFINERY.841 CHEVRON WAY, RICHMOND CALIFORNIA 94801 (CONTRA COSTA) | 474,172 | 332,127 | 806,299 |
1,2,4-Trimethylbenzene (324 - Petroleum) |
771 | 36 | 807 | |
1,2-Dibromoethane (324 - Petroleum) |
4 | . | 4 | |
1,3-Butadiene (324 - Petroleum) |
260 | 16 | 276 | |
Ammonia (324 - Petroleum) |
272,542 | 2 | 272,544 | |
Anthracene (324 - Petroleum) |
40 | 12 | 52 | |
Benzene (324 - Petroleum) |
1,916 | 32 | 1,948 | |
Benzo[g,h,i]perylene (324 - Petroleum) |
1 | 13 | 14 | |
Carbon disulfide (324 - Petroleum) |
1,500 | . | 1,500 | |
Carbonyl sulfide (324 - Petroleum) |
2,339 | 331 | 2,670 | |
Cobalt compounds (324 - Petroleum) |
31 | 21,887 | 21,918 | |
Copper compounds (324 - Petroleum) |
91 | 721 | 812 | |
Cresol (mixed isomers) (324 - Petroleum) |
731 | 107 | 838 | |
Cyanide compounds (324 - Petroleum) |
62 | . | 62 | |
Cyclohexane (324 - Petroleum) |
2,081 | 167 | 2,248 | |
Diethanolamine (324 - Petroleum) |
550 | 35,000 | 35,550 | |
Dioxin and dioxin-like compounds (324 - Petroleum) |
** | ** | ** | |
Ethylbenzene (324 - Petroleum) |
1,911 | 29 | 1,940 | |
Ethylene (324 - Petroleum) |
4,600 | 16 | 4,616 | |
| 15,000 | . | 15,000 | ||
Hydrogen cyanide (324 - Petroleum) |
83,000 | . | 83,000 | |
Hydrogen sulfide (324 - Petroleum) |
5,540 | 106 | 5,646 | |
Isoprene (324 - Petroleum) |
12 | 4 | 16 | |
Lead compounds (324 - Petroleum) |
63 | 2,400 | 2,463 | |
Mercury compounds (324 - Petroleum) |
8 | 29 | 37 | |
Molybdenum trioxide (324 - Petroleum) |
18 | 39,094 | 39,112 | |
Naphthalene (324 - Petroleum) |
371 | 154 | 525 | |
Nickel compounds (324 - Petroleum) |
407 | 41,048 | 41,455 | |
| 2,100 | . | 2,100 | ||
Phenol (324 - Petroleum) |
514 | 22 | 536 | |
Polycyclic aromatic compounds (324 - Petroleum) |
35 | 109 | 143 | |
Propylene (324 - Petroleum) |
27,622 | 16 | 27,638 | |
| 30,000 | . | 30,000 | ||
Tetrachloroethylene (324 - Petroleum) |
1,525 | . | 1,525 | |
Toluene (324 - Petroleum) |
6,706 | 106 | 6,812 | |
Vanadium compounds (324 - Petroleum) |
58 | 187,198 | 187,256 | |
Xylene (mixed isomers) (324 - Petroleum) |
6,133 | 144 | 6,277 | |
Zinc compounds (324 - Petroleum) |
1,630 | 3,162 | 4,792 | |
n-Hexane (324 - Petroleum) |
4,001 | 167 | 4,168 | |
| 9 | CORTEVA AGRISCIENCE LLC.901 LOVERIDGE RD, PITTSBURG CALIFORNIA 94565 (CONTRA COSTA) | 7,635 | 368,809 | 376,444 |
1,2,4-Trimethylbenzene (325 - Chemicals) |
301 | . | 301 | |
2-Methylpyridine (325 - Chemicals) |
1,113 | . | 1,113 | |
Carbon tetrachloride (325 - Chemicals) |
1,839 | . | 1,839 | |
Chlorine (325 - Chemicals) |
136 | . | 136 | |
Chloroform (325 - Chemicals) |
1,366 | . | 1,366 | |
Cumene (325 - Chemicals) |
25 | . | 25 | |
Diisocyanates (325 - Chemicals) |
0 | 81,519 | 81,519 | |
Ethylbenzene (325 - Chemicals) |
114 | . | 114 | |
Hexachlorobenzene (325 - Chemicals) |
0 | . | 0 | |
| 773 | 16 | 789 | ||
N-Methyl-2-pyrrolidone (325 - Chemicals) |
834 | . | 834 | |
Nitrapyrin (325 - Chemicals) |
56 | 279,677 | 279,733 | |
| 0 | 7,597 | 7,597 | ||
Tetrachloroethylene (325 - Chemicals) |
465 | . | 465 | |
Xylene (mixed isomers) (325 - Chemicals) |
613 | . | 613 | |
| 10 | DOUGLAS PRODUCTS & PACKAGING CO.901 LOVERIDGE RD, PITTSBURG CALIFORNIA 94565 (CONTRA COSTA) | 0 | . | 0 |
Sulfuryl fluoride (325 - Chemicals) |
0 | . | 0 | |
| 11 | ECO SERVICES OPERATIONS CORP..100 MOCOCO RD, MARTINEZ CALIFORNIA 94553 (CONTRA COSTA) | 6,024 | 1,150 | 7,174 |
Ammonia (325 - Chemicals) |
3,343 | . | 3,343 | |
| 9 | . | 9 | ||
| 2,668 | . | 2,668 | ||
Vanadium compounds (325 - Chemicals) |
4 | 1,150 | 1,154 | |
| 12 | HASA INC.1251 LOVERIDGE RD, PITTSBURG CALIFORNIA 94565 (CONTRA COSTA) | 5 | . | 5 |
Chlorine (325 - Chemicals) |
5 | . | 5 | |
| 13 | HENKEL US OPERATIONS CORP.2850 WILLOW PASS RD, BAY POINT CALIFORNIA 94565 (CONTRA COSTA) | 48 | . | 48 |
Aluminum (fume or dust) (325 - Chemicals) |
47 | . | 47 | |
Tetrabromobisphenol A (325 - Chemicals) |
1 | . | 1 | |
| 14 | K2 PURE SOLUTIONS NOCAL LP.950 LOVERIDGE RD, PITTSBURG CALIFORNIA 94565 (CONTRA COSTA) | 96 | . | 96 |
Chlorine (325 - Chemicals) |
2 | . | 2 | |
| 89 | . | 89 | ||
| 5 | . | 5 | ||
| 15 | MARTINEZ REFINING CO LLC.3485 PACHECO BLVD, MARTINEZ CALIFORNIA 94553 (CONTRA COSTA) | 699,220 | 35,846 | 735,066 |
1,2,4-Trimethylbenzene (324 - Petroleum) |
2,470 | 479 | 2,949 | |
2,4-Dimethylphenol (324 - Petroleum) |
7,301 | 12 | 7,313 | |
Ammonia (324 - Petroleum) |
84,500 | . | 84,500 | |
Anthracene (324 - Petroleum) |
20 | 299 | 319 | |
Benzene (324 - Petroleum) |
2,343 | 134 | 2,477 | |
Carbon disulfide (324 - Petroleum) |
4,330 | 15 | 4,345 | |
Carbonyl sulfide (324 - Petroleum) |
19,033 | . | 19,033 | |
Cresol (mixed isomers) (324 - Petroleum) |
48 | . | 48 | |
Cumene (324 - Petroleum) |
101 | 6 | 107 | |
Cyclohexane (324 - Petroleum) |
1,301 | . | 1,301 | |
Diethanolamine (324 - Petroleum) |
4 | . | 4 | |
Dioxin and dioxin-like compounds (324 - Petroleum) |
** | ** | ** | |
Ethylbenzene (324 - Petroleum) |
2,714 | 162 | 2,876 | |
Ethylene (324 - Petroleum) |
79 | . | 79 | |
| 14,000 | . | 14,000 | ||
Hydrogen cyanide (324 - Petroleum) |
13,000 | . | 13,000 | |
Hydrogen sulfide (324 - Petroleum) |
1,120 | . | 1,120 | |
Isoprene (324 - Petroleum) |
1 | . | 1 | |
Lead compounds (324 - Petroleum) |
336 | 3,710 | 4,046 | |
Mercury compounds (324 - Petroleum) |
29 | 352 | 380 | |
Molybdenum trioxide (324 - Petroleum) |
3 | 0 | 3 | |
Naphthalene (324 - Petroleum) |
402 | 505 | 907 | |
Nickel compounds (324 - Petroleum) |
687 | 15,064 | 15,751 | |
| 450,000 | . | 450,000 | ||
Phenanthrene (324 - Petroleum) |
21 | 1,894 | 1,915 | |
Phenol (324 - Petroleum) |
411 | 24 | 435 | |
Propylene (324 - Petroleum) |
6,637 | . | 6,637 | |
| 41,000 | . | 41,000 | ||
Tetrachloroethylene (324 - Petroleum) |
0 | . | 0 | |
Toluene (324 - Petroleum) |
9,965 | 727 | 10,692 | |
Xylene (mixed isomers) (324 - Petroleum) |
8,244 | 1,268 | 9,512 | |
Zinc compounds (324 - Petroleum) |
20,000 | 11,195 | 31,195 | |
n-Hexane (324 - Petroleum) |
9,121 | . | 9,121 | |
| 16 | MECS INC..1778 MONSANTO WAY, MARTINEZ CALIFORNIA 94553 (CONTRA COSTA) | 700 | 144,215 | 144,915 |
| 234 | . | 234 | ||
Vanadium (except when contained in an alloy) (325 - Chemicals) |
11 | 51,768 | 51,779 | |
Vanadium compounds (325 - Chemicals) |
455 | 92,448 | 92,903 | |
| 17 | PHILLIPS 66 RICHMOND TERMINAL.1300 CANAL BLVD, RICHMOND CALIFORNIA 94804 (CONTRA COSTA) | 2,421 | 5 | 2,426 |
1,2,4-Trimethylbenzene (4247 - Petroleum Bulk Terminals (added 1998)) |
175 | 1 | 176 | |
Benzene (4247 - Petroleum Bulk Terminals (added 1998)) |
174 | . | 174 | |
Benzo[g,h,i]perylene (4247 - Petroleum Bulk Terminals (added 1998)) |
0 | . | 0 | |
Cumene (4247 - Petroleum Bulk Terminals (added 1998)) |
19 | . | 19 | |
Ethylbenzene (4247 - Petroleum Bulk Terminals (added 1998)) |
88 | . | 88 | |
Naphthalene (4247 - Petroleum Bulk Terminals (added 1998)) |
12 | . | 12 | |
Polycyclic aromatic compounds (4247 - Petroleum Bulk Terminals (added 1998)) |
0 | . | 0 | |
Toluene (4247 - Petroleum Bulk Terminals (added 1998)) |
1,199 | 2 | 1,201 | |
Xylene (mixed isomers) (4247 - Petroleum Bulk Terminals (added 1998)) |
498 | 2 | 500 | |
n-Hexane (4247 - Petroleum Bulk Terminals (added 1998)) |
256 | . | 256 | |
| 18 | PHILLIPS 66 RODEO RENEWABLE ENERGY COMPLEX.1380 SAN PABLO AVE, RODEO CALIFORNIA 94572 (CONTRA COSTA) | 199,700 | 107,302 | 307,002 |
1,2,4-Trimethylbenzene (325 - Chemicals) |
390 | . | 390 | |
1,3-Butadiene (325 - Chemicals) |
12 | . | 12 | |
Ammonia (325 - Chemicals) |
29,380 | . | 29,380 | |
Benzene (325 - Chemicals) |
511 | 0 | 511 | |
Benzo[g,h,i]perylene (325 - Chemicals) |
1 | . | 1 | |
Biphenyl (325 - Chemicals) |
21 | . | 21 | |
Carbonyl sulfide (325 - Chemicals) |
170 | . | 170 | |
Cumene (325 - Chemicals) |
19 | . | 19 | |
Cyclohexane (325 - Chemicals) |
218 | . | 218 | |
Dioxin and dioxin-like compounds (325 - Chemicals) |
** | ** | ** | |
Ethylbenzene (325 - Chemicals) |
380 | 1 | 381 | |
Ethylene (325 - Chemicals) |
181 | . | 181 | |
Hydrogen sulfide (325 - Chemicals) |
9,774 | . | 9,774 | |
Lead compounds (325 - Chemicals) |
83 | 161 | 244 | |
Mercury compounds (325 - Chemicals) |
7 | 11 | 18 | |
Molybdenum trioxide (325 - Chemicals) |
0 | 2,600 | 2,600 | |
Naphthalene (325 - Chemicals) |
86 | . | 86 | |
Nickel compounds (325 - Chemicals) |
140 | 104,517 | 104,657 | |
| 140,000 | . | 140,000 | ||
Phenol (325 - Chemicals) |
5,119 | . | 5,119 | |
Polycyclic aromatic compounds (325 - Chemicals) |
18 | . | 18 | |
Propylene (325 - Chemicals) |
890 | . | 890 | |
Styrene (325 - Chemicals) |
18 | . | 18 | |
Toluene (325 - Chemicals) |
1,611 | 2 | 1,613 | |
Xylene (mixed isomers) (325 - Chemicals) |
3,102 | 10 | 3,112 | |
n-Hexane (325 - Chemicals) |
7,570 | . | 7,570 | |
| 19 | SAFETY-KLEEN SYSTEMS INC.801 WHARF ST, RICHMOND CALIFORNIA 94804 (CONTRA COSTA) | 0 | 0 | 0 |
Zinc compounds (324 - Petroleum) |
0 | 0 | 0 | |
| 20 | SHELL CATALYSTS & TECHNOLOGIES - PITTSBURG.2840 WILLOW PASS RD, PITTSBURG CALIFORNIA 94565 (CONTRA COSTA) | 1,267 | 201,463 | 202,730 |
Ammonia (325 - Chemicals) |
962 | 190 | 1,151 | |
Cobalt compounds (325 - Chemicals) |
5 | 4,318 | 4,323 | |
Molybdenum trioxide (325 - Chemicals) |
173 | 155,212 | 155,386 | |
Nickel compounds (325 - Chemicals) |
44 | 41,743 | 41,787 | |
| 83 | . | 83 | ||
Nitric acid (325 - Chemicals) |
0 | . | 0 | |
| 21 | SHELL CHEMICAL LP - MARTINEZ CATALYST PLANT.10 MOCOCO RD, MARTINEZ CALIFORNIA 94553 (CONTRA COSTA) | 13,594 | . | 13,594 |
Ammonia (325 - Chemicals) |
3,248 | . | 3,248 | |
Silver compounds (325 - Chemicals) |
6,698 | . | 6,698 | |
Toluene (325 - Chemicals) |
3,648 | . | 3,648 | |
| 22 | TESORO REFINING & MARKETING CO LLC.150 SOLANO WAY, MARTINEZ CALIFORNIA 94553 (CONTRA COSTA) | 72,979 | 38,090 | 111,069 |
1,2,4-Trimethylbenzene (325 - Chemicals) |
744 | 3,709 | 4,453 | |
Ammonia (325 - Chemicals) |
21,128 | . | 21,128 | |
Benzene (325 - Chemicals) |
3,250 | 26 | 3,276 | |
Benzo[g,h,i]perylene (325 - Chemicals) |
0 | 0 | 0 | |
Biphenyl (325 - Chemicals) |
0 | 2,009 | 2,009 | |
Cumene (325 - Chemicals) |
123 | 21 | 144 | |
Cyclohexane (325 - Chemicals) |
3,080 | . | 3,080 | |
Ethylbenzene (325 - Chemicals) |
1,250 | 1,320 | 2,570 | |
Ethylene (325 - Chemicals) |
20 | . | 20 | |
Hydrogen sulfide (325 - Chemicals) |
2,571 | . | 2,571 | |
Lead compounds (325 - Chemicals) |
20 | 1,309 | 1,329 | |
Mercury compounds (325 - Chemicals) |
1 | 175 | 176 | |
Molybdenum trioxide (325 - Chemicals) |
96 | . | 96 | |
Naphthalene (325 - Chemicals) |
108 | 4,224 | 4,332 | |
Nickel compounds (325 - Chemicals) |
114 | 1,730 | 1,844 | |
| 6,100 | . | 6,100 | ||
Polycyclic aromatic compounds (325 - Chemicals) |
2 | 655 | 657 | |
Toluene (325 - Chemicals) |
6,600 | 4,133 | 10,733 | |
Xylene (mixed isomers) (325 - Chemicals) |
4,602 | 6,478 | 11,080 | |
Zinc compounds (325 - Chemicals) |
970 | 12,301 | 13,271 | |
n-Hexane (325 - Chemicals) |
22,200 | . | 22,200 | |
| Total | 1,550,772 | 1,456,069 | 3,006,840 | |
| Total disposal or other releases omitting double counted amounts | 2,869,830 | |||
| (Note that if a facility name appears multiple times within each of the below
tables, the facility is a multi-establishment and submitted multiple forms for
Dioxin and Dioxin-like compounds. Also in the table above, EPA has converted Dioxin and Dioxin-like compounds data from grams (as reported to EPA) into pounds.
Please refer to the Dioxin and Dioxin-like compounds table below for reported amounts of Dioxin and Dioxin-like compounds in grams. Grams can be converted to pounds by multiplying by 0.002205.) |
| TRI On-site and Off-site Reported Disposed of or Otherwise Released (in grams), all 3 facilities, for facilities in NAICS 324 - Petroleum,NAICS 325 - Chemicals,NAICS 211 - Natural Gas Processing,NAICS 4246 - Chemical Wholesalers (added 1998),NAICS 4247 - Petroleum Bulk Terminals (added 1998),NAICS 562 - Hazardous Waste (added 1998), for Dioxin and Dioxin-like compounds, Contra Costa County, California, 2024 |
| Row # | Facility | Total On-site Disposal or Other Releases | Total Off-site Disposal or Other Releases | Total On- and Off-site Disposal or Other Releases |
|---|---|---|---|---|
| 1 | CHEVRON PRODUCTS CO RICHMOND REFINERY.841 CHEVRON WAY, RICHMOND CALIFORNIA 94801 (CONTRA COSTA) | .3716900 | .0868370 | .4585270 |
| 2 | MARTINEZ REFINING CO LLC.3485 PACHECO BLVD, MARTINEZ CALIFORNIA 94553 (CONTRA COSTA) | 4.3010000 | 3.0000000 | 7.3010000 |
| 3 | PHILLIPS 66 RODEO RENEWABLE ENERGY COMPLEX.1380 SAN PABLO AVE, RODEO CALIFORNIA 94572 (CONTRA COSTA) | .0190390 | . | .0190390 |
| Total | 4.6917290 | 3.0868370 | 7.7785660 |
| Dioxin and Dioxin-like Compounds Toxicity Equivalent Weight (in grams), all 3 facilities, for facilities in NAICS 324 - Petroleum,NAICS 325 - Chemicals,NAICS 211 - Natural Gas Processing,NAICS 4246 - Chemical Wholesalers (added 1998),NAICS 4247 - Petroleum Bulk Terminals (added 1998),NAICS 562 - Hazardous Waste (added 1998),Contra Costa County, California, 2024 |
| Row # | Facility | Total On-site Disposal or Other Releases | Total Off-site Disposal or Other Releases | Total On- and Off-site Disposal or Other Releases |
|---|---|---|---|---|
| 1 | CHEVRON PRODUCTS CO RICHMOND REFINERY.841 CHEVRON WAY, RICHMOND CALIFORNIA 94801 (CONTRA COSTA) | .0314398 | .0059362 | .0373760 |
| 2 | MARTINEZ REFINING CO LLC.3485 PACHECO BLVD, MARTINEZ CALIFORNIA 94553 (CONTRA COSTA) | .0014008 | .0148035 | .0162043 |
| 3 | PHILLIPS 66 RODEO RENEWABLE ENERGY COMPLEX.1380 SAN PABLO AVE, RODEO CALIFORNIA 94572 (CONTRA COSTA) | .0004787 | .0000000 | .0004787 |
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Transfers Off-site for Further Waste Management
Quantities of TRI Chemicals in Waste (waste management)
|
Note: Reporting year (RY) 2024 is the most recent TRI data available. Facilities reporting to TRI were required to submit their data to EPA by July 1 for the previous calendar year's activities. TRI Explorer is using the 2024 Dataset (released November 2025). This dataset includes revisions for the years 1988 to 2024 processed by EPA. Revisions submitted to EPA after this time are not reflected in TRI Explorer reports. TRI data may also be obtained through EPA Envirofacts. Users of TRI information should be aware that TRI data reflect releases and other waste management activities of chemicals, not whether (or to what degree) the public has been exposed to those chemicals. Release estimates alone are not sufficient to determine exposure or to calculate potential adverse effects on human health and the environment. TRI data, in conjunction with other information, can be used as a starting point in evaluating exposures that may result from releases and other waste management activities which involve toxic chemicals. The determination of potential risk depends upon many factors, including the toxicity of the chemical, the fate of the chemical, and the amount and duration of human or other exposure to the chemical after it is released. Off-site disposal or other releases include transfers sent to other TRI Facilities that reported the amount as on-site disposal or other release because not all states and/or not all industry sectors are included in this report. For purposes of analysis, data reported as Range Code A is calculated using a value of 5 pounds, Range Code B is calculated using a value of 250 pounds and Range Code C is calculated using a value of 750 pounds. The facility may have reported multiple NAICS codes to TRI in the current reporting year. See the facility profile report by clicking on the facility name to see a list of all NAICS codes submitted to TRI for the current reporting year. Beginning with the 2006 reporting year, the industry classification code is the North American Industry Classification System (NAICS), which has replaced the 1997 US Standard Industrial Classification (SIC) code. The primary NAICS code as reported by the facility is now used for all analysis purposes for all reporting years 2006 and later. For reporting years prior to 2006, EPA has assigned a primary NAICS code based on the SIC codes as reported for those years for the purpose of analyzing trends. A decimal point, or "." denotes that the facility left that particular cell blank in its Form R submission (a zero in a cell denotes either that the facility reported "0" or "NA" in its Form R submission). "NA" in a cell denotes that the facility has submitted only Form A and thus the data for release, waste transfers or quantities of TRI chemicals in waste are not applicable. By submitting a Form A the facility has certified that its total annual reportable amount is less than 500 pounds, and that the facility does not manufacture, process, or otherwise use more than 1 million pounds of the toxic chemical. How to cite TRI Explorer. Following APA Style, 6th edition, an appropriate citation to TRI Explorer is:United States Environmental Protection Agency. (2025). TRI Explorer (2024 Dataset (released November 2025)) [Internet database]. Retrieved from https://enviro.epa.gov/triexplorer/, (December 12, 2025). |
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