PERI: Toxic 100 Index

Air Toxics at School 2019

Number of facilities affecting school	62
Number of chemicals affecting school	54
Toxic percentile nationwide (1=worst)	2nd
Toxic rank nationwide (1=worst)	704
Toxic percentile statewide (1=worst)	3rd
Toxic rank statewide (1=worst)	229
Toxic Hazard	75,180.95

There are 868 schools with worse air toxic ranks than this school nationwide.

This school's air toxic concentration is 16.66 times the national average at schools.

There are 266 schools with worse air toxic ranks than this school statewide.

This school's air toxic concentration is 7.37 times the state average at schools.

Facility	Parent Company	Toxic Hazard
HUNTSMAN PETROCHEMICAL LLC	Huntsman	68,699.16
NOV DOWNHOLE CONROE	NOV Inc.	5,328.69
PRECISION SPRAY & COATINGS LLC	PRECISION SPRAY & COATINGS LLC	645.45
SCHLUMBERGER TECHNOLOGY CORP RESLINK	Schlumberger	132.35
WYMAN-GORDON FORGINGS LP	Berkshire Hathaway	106.42

Chemical	Toxic Hazard
Ethylene oxide	68,604.42
Chromium	5,440.98
Chromium compounds	645.45
Nickel	268.10
Acrylonitrile	56.25
Glycol ethers	52.63
Propylene oxide	29.48
Formaldehyde	26.49
Ethylbenzene	15.70
Diisocyanates	13.53
Manganese	7.80
Benzene	6.59
Xylene (mixed isomers)	2.83
n-Butyl alcohol	2.79
Dicyclopentadiene	1.98
Benzyl chloride	1.92
Naphthalene	1.76
Nickel compounds	0.53
Copper compounds	0.40
1,2,4-Trimethylbenzene	0.32
Ammonia	0.22
Hydrogen fluoride	0.16
Zinc compounds	0.11
1,2-Butylene oxide	0.09
Aluminum (fume or dust)	0.08
Epichlorohydrin	0.08
Styrene	0.05
Ethylene glycol	0.05
Zinc	0.03
Acetonitrile	0.03
Methyl tert-butyl ether	0.02
Lead compounds	0.02
Toluene	0.01
N,N-Dimethylformamide	0.01
Copper	0.01
m-Xylene	0.01
Diethanolamine	0.01
Maleic anhydride	0.01
Methanol	0.00
Dichloromethane	0.00
Cyclohexane	0.00
Methyl isobutyl ketone	0.00
Lead	0.00
n-Hexane	0.00
Propylene (Propene)	0.00
Methyl methacrylate	0.00
CFC-11 (trichlorofluoromethane)	0.00
Chlorodifluoromethane (HCFC-22)	0.00
Mercury	0.00
Nonylphenol	0.00
Aluminum oxide (fibrous forms)	0.00
Dimethylamine	0.00
2,2-Dichloro-1,1,1-trifluoroethane	0.00
Nonylphenol ethoxylates	0.00

Facility	Parent Company	Chemical	Toxic Hazard
HUNTSMAN PETROCHEMICAL LLC	Huntsman	Ethylene oxide	68,604.42
NOV DOWNHOLE CONROE	NOV Inc.	Chromium	5,078.32
PRECISION SPRAY & COATINGS LLC	PRECISION SPRAY & COATINGS LLC	Chromium compounds	645.45
NOV DOWNHOLE CONROE	NOV Inc.	Nickel	244.07
SCHLUMBERGER TECHNOLOGY CORP RESLINK	Schlumberger	Chromium	128.17