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Tesoro

Rank in Toxic 100 Water: 59
Surface Water releases 2014 (lbs): 40,304
POTW (sewerage plant) transfers 2014 (lbs): 420,013
Pounds released post-treatment 2014 (lbs): 91,037
Total Surface Water and POTW Toxic Hazard 2014: 70,157,656
Percentage of national total 2014 surface water and POTW hazard: 0.027%

Chemicals displayed below: (
display facilities) (display chemicals at facilities)
(Click on column headers to re-sort table: current sort is by pounds of POTW transfers.)
(Links on chemical names lead to Scorecard chemical health effects.)
Methanol 0 160,000 12,688 12,688 0.02%
Hydrogen sulfide 638 54,020 12,847 23,123,735 32.96%
Diethanolamine 0 46,874 3,722 2,642,476 3.77%
Xylene (mixed isomers) 41 34,521 1,398 6,988 0.01%
Ammonia 7,147 32,255 20,081 0 0.00%
Cresol (mixed isomers) 0 20,581 1,570 31,407 0.04%
Toluene 17 19,870 1,018 13,240 0.02%
Phenol 61 18,786 1,536 5,068 0.01%
Benzene 13 8,265 501 27,580,399 39.31%
1,2,4-Trimethylbenzene 7 6,592 395 790,538 1.13%
Zinc and zinc compounds 110 6,584 2,339 7,718 0.01%
n-Hexane 9 4,525 12 199 0.00%
Ethylbenzene 8 4,466 464 509,885 0.73%
Naphthalene 5 1,378 60 3,013 0.00%
Cyclohexane 3 370 45 26 0.00%
Phenanthrene 4 210 16 0 0.00%
Tetrachloroethylene (Perchloroethylene) 0 207 23 48,469 0.07%
Anthracene 2 200 14 45 0.00%
Cumene 0 156 3 30 0.00%
Nickel and nickel compounds 390 74 436 39,646 0.06%
Lead and lead compounds 28 53 47 854,029 1.22%
Styrene 0 26 1 7 0.00%
Polycyclic aromatic compounds 7 0 7 9,490,957 13.53%
Benzo(g,h,i)perylene 0 0 0 4,000 0.01%
Dioxin and dioxin-like compounds 0 0 0 4,398,800 6.27%
Chromium and chromium compounds 1 0 1 500,000 0.71%
Hydrogen cyanide 33 0 33 56,100 0.08%
Nitrate compounds 31,000 0 31,000 19,530 0.03%
Mercury and mercury compounds 1 0 1 13,000 0.02%
Manganese and manganese compounds 774 0 774 5,495 0.01%
Vanadium and vanadium compounds 1 0 1 140 0.00%
Carbon disulfide 3 0 3 30 0.00%
Ethylene 0 0 0 0 0.00%
Isoprene 0 0 0 0 0.00%
Biphenyl 0 0 0 0 0.00%
1,3-Butadiene 0 0 0 0 0.00%
Propylene (Propene) 0 0 0 0 0.00%
Carbonyl sulfide 0 0 0 0 0.00%
Molybdenum trioxide 0 0 0 0 0.00%
Hydrochloric acid 0 0 0 0 0.00%
Hydrogen fluoride 0 0 0 0 0.00%
Sulfuric acid 0 0 0 0 0.00%
Glycol ethers 0 0 0 0 0.00%

Toxic hazard: Pounds of direct releases to surface water and estimated releases from transfers to Publicly Operated Treatment Works (POTW's) reported in the US Environmental Protection Agency's Toxics Release Inventory for the year 2014, weighted by toxicity of chemicals. Weights are from the EPA's Risk-Screening Environmental Indicators project. For details, see technical notes.

Quantity of toxic surface water releases and POTW transfers: Pounds of toxic chemicals released directly to surface water at each TRI facility or transferred off-site to a POTW, without weighting for toxicity or population.

Quantity of toxic post-treatment releases: Pounds of toxic chemicals released directly to surface water plus released after treatment at POTW's.

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