PERI: Toxic 100 Index

Air Toxics at School 2019

Number of facilities affecting school	59
Number of chemicals affecting school	45
Toxic percentile nationwide (1=worst)	61st
Toxic rank nationwide (1=worst)	60,265
Toxic percentile statewide (1=worst)	57th
Toxic rank statewide (1=worst)	4,993
Toxic Hazard	314.13

There are 78,697 schools with worse air toxic ranks than this school nationwide.

This school's air toxic concentration is 0.07 times the national average at schools.

There are 6,250 schools with worse air toxic ranks than this school statewide.

This school's air toxic concentration is 0.03 times the state average at schools.

Facility	Parent Company	Toxic Hazard
ARVIN SANGO	Sango Co.	139.23
THE SAN ANTONIO REFINERY LLC	Starlight Relativity Acquisition	64.31
ARCONIC INC SAN ANTONIO WORKS	Howmet Aerospace	49.89
LUBRIZOL CORP	Berkshire Hathaway	17.48
CALAVERAS POWER STATION	San Antonio Public Service Board	15.86

Chemical	Toxic Hazard
Chromium	199.77
Benzene	37.77
Naphthalene	26.41
Diethyl sulfate	17.47
Chromium compounds	16.48
Acetaldehyde	4.40
Ethylbenzene	2.88
Nitric acid	2.59
Nickel compounds	1.94
Nickel	1.39
Toluenediisocyanate	0.63
Manganese	0.61
Glycol ethers	0.41
Sulfuric acid	0.32
Methyl tert-butyl ether	0.31
1,2,4-Trimethylbenzene	0.17
Lead compounds	0.11
Hydrogen fluoride	0.09
Xylene (mixed isomers)	0.08
Manganese compounds	0.06
Barium compounds	0.05
n-Hexane	0.04
Polycyclic aromatic compounds	0.03
Hydrochloric acid	0.02
Zinc compounds	0.02
Mercury compounds	0.02
Ammonia	0.01
Lead	0.01
Mercury	0.01
n-Butyl alcohol	0.01
Toluene	0.01
Copper compounds	0.01
Chlorine	0.00
Ethylene glycol	0.00
Styrene	0.00
Dioxin and dioxin-like compounds	0.00
Diisocyanates	0.00
Copper	0.00
Cumene	0.00
Methanol	0.00
Vanadium compounds	0.00
Biphenyl	0.00
Cyclohexane	0.00
Nitrate compounds	0.00
Isoprene	0.00

Facility	Parent Company	Chemical	Toxic Hazard
ARVIN SANGO	Sango Co.	Chromium	139.07
ARCONIC INC SAN ANTONIO WORKS	Howmet Aerospace	Chromium	49.89
THE SAN ANTONIO REFINERY LLC	Starlight Relativity Acquisition	Benzene	35.22
THE SAN ANTONIO REFINERY LLC	Starlight Relativity Acquisition	Naphthalene	26.16
LUBRIZOL CORP	Berkshire Hathaway	Diethyl sulfate	17.47