PERI: Toxic 100 Index

Praxair

Surface Water releases 2017 (lbs): 8
POTW (sewerage plant) transfers 2017 (lbs): 41
Pounds released post-treatment 2017 (lbs): 27
Total Surface Water and POTW Toxic Hazard 2017: 1,339,995

This company is rank 37 on the Toxic 100 Air list.
This company is rank 89 on the Greenhouse 100 list.

Chemicals displayed below: (display facilities) (display chemicals at facilities)
(Click on column headers to re-sort table: current sort is by percent of total company hazard.)
(Links on chemical names lead to Scorecard chemical health effects.)

Chemical	Surface water releases (lbs)	POTW transfers (lbs)	Post-treatment releases (lbs)	Toxic Hazard (quantity x toxicity)	Percent of total company hazard
Chromium compounds	1	7	3	1,326,000	98.96%
Copper	3	12	7	9,992	0.75%
Lead	0	0	0	2,958	0.22%
Nickel	1	17	11	1,046	0.08%
Nitric acid	0	0	0	0	0.00%
Ammonia	0	0	0	0	0.00%
Formaldehyde	0	0	0	0	0.00%
Propylene	0	0	0	0	0.00%
Ethylene oxide	0	0	0	0	0.00%
Chloromethane	0	0	0	0	0.00%
Ethylene	0	0	0	0	0.00%
N,N-Dimethylformamide	0	0	0	0	0.00%
Methanol	0	0	0	0	0.00%
Cobalt compounds	3	5	6	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 2017, 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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