PERI: Toxic 100 Index

Air Toxics at School 2019

School Info

School	TIMBERWOOD MIDDLE
Street	18450 TIMBER FOREST DR
City	HUMBLE
State	TX
Number of students	1,221
Student % minority	71%
Type	Regular school
Status	1-Currently operational
Level	Middle
Data Source	CCD (public schools)

Air Toxics Info

Number of facilities affecting school	612
Number of chemicals affecting school	273
Toxic percentile nationwide (1=worst)	2nd
Toxic rank nationwide (1=worst)	1,176
Toxic percentile statewide (1=worst)	5th
Toxic rank statewide (1=worst)	409
Toxic Hazard	54,153.83

There are 1,442 schools with worse air toxic ranks than this school nationwide.

This school's air toxic concentration is 12.00 times the national average at schools.

There are 471 schools with worse air toxic ranks than this school statewide.

This school's air toxic concentration is 5.31 times the state average at schools.

Top 5 facilities

Facility	Parent Company	Toxic Hazard
LYONDELL CHEMICAL CO	LyondellBasell	13,581.91
HUNTSMAN PETROCHEMICAL LLC	Huntsman	9,318.17
EQUISTAR CHEMICALS BAYPORT CHEMICALS PLANT	LyondellBasell	7,935.66
CELANESE LTD CLEAR LAKE PLANT	Celanese	5,904.15
CLARIANT CORP CLEAR LAKE PLANT	Clariant	2,658.43

(click here to expand list to all facilities)

Top chemicals

Chemical	Toxic Hazard
Ethylene oxide	34,828.25
1,3-Butadiene	5,843.62
Cobalt compounds	3,269.99
Chromium	2,090.60
Benzene	1,542.79
Chromium compounds	957.58
1,2-Dichloroethane	847.79
Nickel compounds	833.87
Propyleneimine	441.20
Propylene oxide	343.22
Bis(2-chloroethyl)ether	328.08
1,1,2,2-Tetrachloroethane	259.88
Formaldehyde	259.40
Vinyl chloride	258.78
Acetaldehyde	212.72
Sulfuric acid	202.57
Chlorine	170.37
Nickel	170.30
Naphthalene	166.55
Hexachlorobenzene	164.33
Hydrogen cyanide	145.09
Diaminotoluene (mixed isomers)	139.20
Methyl iodide	97.64
Chloroform	47.02
Hydroquinone	38.78
Hydrazine	35.19
1,1,2-Trichloroethane	32.22
o-Toluidine	31.67
Acrylic acid	31.14
Diisocyanates	31.05
Cadmium compounds	26.16
Cobalt	23.20
Arsenic	20.81
Hydrogen sulfide	20.68
Acrylonitrile	19.54
Molybdenum trioxide	18.73
Ethylbenzene	18.63
Dicyclopentadiene	17.75
Nitrobenzene	16.58
Allyl alcohol	16.36
Carbon tetrachloride	15.50
Butyl acrylate	14.61
Polycyclic aromatic compounds	12.51
Chlorothalonil	8.49
Epichlorohydrin	7.45
1,2-Dibromoethane	6.91
Maleic anhydride	6.73
Tetrachloroethylene (Perchloroethylene)	6.60
Chloromethane	6.37
Manganese	3.96
Acrolein	3.90
Lead compounds	3.46
Cadmium	3.23
Carbonyl sulfide	3.21
Hydrochloric acid	3.16
Manganese compounds	2.59
Dioxane	2.11
Glycol ethers	1.82
Xylene (mixed isomers)	1.76
Boron trifluoride	1.73
Antimony compounds	1.73
2,4-Diaminotoluene	1.21
Chloroprene	1.14
Methyl tert-butyl ether	1.03
Ammonia	0.97
Nitric acid	0.79
Acetonitrile	0.73
Mercury compounds	0.65
Phosgene	0.60
n-Hexane	0.57
Vinyl acetate	0.57
Hexachloroethane	0.56
Copper compounds	0.54
Diethanolamine	0.49
Benzyl chloride	0.46
Lead	0.41
Aluminum (fume or dust)	0.38
Aniline	0.38
Benzidine	0.34
Zinc compounds	0.33
Polychlorinated biphenyls (PCBs)	0.31
1,2,4-Trimethylbenzene	0.30
Trichloroethylene	0.26
Propionaldehyde	0.26
Cumene	0.24
Propylene (Propene)	0.22
Toluenediisocyanate	0.20
Phenol	0.20
Phthalic anhydride	0.17
n-Butyl alcohol	0.16
N,N-Dimethylformamide	0.16
Copper	0.14
Ethylene	0.14
Dioxin and dioxin-like compounds	0.13
Hydrogen fluoride	0.12
Urethane (Ethyl carbamate)	0.12
tert-Butyl alcohol	0.12
Styrene	0.11
Barium compounds	0.08
Acetophenone	0.08
Ethyl acrylate	0.07
Cyanide compounds	0.07
Isobutyraldehyde	0.06
Toluene	0.06
Allyl chloride	0.06
Cumene hydroperoxide	0.05
Methyl methacrylate	0.05
Hexachlorocyclopentadiene	0.04
Aldrin	0.04
Chloroacetic acid	0.04
1,2-Butylene oxide	0.04
Toluene-2,4-diisocyanate	0.03
2-Methoxyethanol	0.03
Ethylene glycol	0.03
Nitroglycerin	0.03
Methyl acrylate	0.03
Ethylidene dichloride	0.02
4,4'-Methylenedianiline	0.02
Benzo(g,h,i)perylene	0.02
Dichloromethane	0.02
Methanol	0.02
m-Xylene	0.02
4,4'-Isopropylidenediphenol	0.01
Biphenyl	0.01
Triallate	0.01
Toxaphene	0.01
Mercury	0.01
Heptachlor	0.01
Vanadium compounds	0.01
Zinc	0.01
2-Nitropropane	0.01
Cyclohexane	0.01
Thiourea	0.00
Lindane	0.00
Toluene-2,6-diisocyanate	0.00
2,4-Dimethylphenol	0.00
Diphenylamine	0.00
1,2-Dichloroethylene	0.00
Chlordane	0.00
Chlorobenzene	0.00
1,2-Phenylenediamine	0.00
Amitrole	0.00
Vanadium	0.00
Methyl isobutyl ketone	0.00
2,4-Dinitrotoluene	0.00
Acrylamide	0.00
4,4'-Diaminodiphenylether	0.00
2-Ethoxyethanol	0.00
p-Cresol	0.00
m-Cresol	0.00
o-Cresol	0.00
Carbon disulfide	0.00
1,2-Dichlorobenzene	0.00
1,2-Dichloropropane	0.00
Chlorophenols	0.00
1,2,3-Trichloropropane	0.00
Ethylene thiourea	0.00
1,4-Dichlorobenzene	0.00
CFC-11 (trichlorofluoromethane)	0.00
Chlorodifluoromethane (HCFC-22)	0.00
Silver	0.00
Diallate	0.00
Dibutyl phthalate	0.00
Triethylamine	0.00
Hexachloro-1,3-butadiene	0.00
Formic acid	0.00
Vinylidene chloride (1,1-dichloroethylene)	0.00
Chloroethane (Ethyl chloride)	0.00
Pyridine	0.00
Pronamide	0.00
Pentachlorophenol	0.00
Selenium compounds	0.00
Aldicarb	0.00
Anthracene	0.00
Di(2-ethylhexyl) phthalate	0.00
2-Methyllactonitrile	0.00
Cresol (mixed isomers)	0.00
2,4,6-Trichlorophenol	0.00
Permethrin	0.00
2,4-D ((2,4-dichlorophenoxy)acetic acid)	0.00
Warfarin and salts	0.00
Diazinon	0.00
Hexachlorophene	0.00
Pentachlorobenzene	0.00
Carbaryl	0.00
Propargyl alcohol	0.00
Methoxychlor	0.00
Dichlorobenzene (mixed isomers)	0.00
sec-Butyl alcohol	0.00
Bendiocarb	0.00
4-Nitrophenol	0.00
o-Xylene	0.00
1,3-Phenylenediamine	0.00
p-Phenylenediamine	0.00
Ozone	0.00
Trifluralin	0.00
Linuron	0.00
1,1,1-Trichloroethane	0.00
Thiram	0.00
Nitrate compounds	0.00
Benomyl	0.00
Atrazine	0.00
Malathion	0.00
2,4,5-Trichlorophenol	0.00
Pendimethalin	0.00
1,1,1,2-Tetrachloroethane	0.00
TRD SECRT	0.00
Nonylphenol ethoxylates	0.00
Glycidol	0.00
p-Xylene	0.00
Nonylphenol	0.00
Propoxur	0.00
Titanium tetrachloride	0.00
1,2,4-Trichlorobenzene	0.00
Tetrabromobisphenol-A (TBBPA)	0.00
Octachlorostyrene	0.00
MIXTURE	0.00
Trypan blue	0.00
1-Bromopropane	0.00
Isoprene	0.00
Acetamide	0.00
Cyfluthrin	0.00
Dibenzofuran	0.00
Dicamba	0.00
2,2-Dichloro-1,1,1-trifluoroethane	0.00
2,4-Dichlorophenol	0.00
2,3-Dichloropropene	0.00
Dimethyl phthalate	0.00
Dimethylamine	0.00
Dinitrobutyl phenol (Dinoseb)	0.00
Dinitrotoluene (mixed isomers)	0.00
Ethyl chloroformate	0.00
Cyclohexanol	0.00
Creosote, coal tar	0.00
Allylamine	0.00
Aluminum oxide (fibrous forms)	0.00
4-Aminoazobenzene	0.00
4-Aminodiphenyl	0.00
Benzal chloride	0.00
Benzoyl peroxide	0.00
Bromomethane (Methyl bromide)	0.00
Butyraldehyde	0.00
C.I. Food Red 15	0.00
Captan	0.00
Catechol	0.00
Ethylenebisdithiocarbamic acid, salts and esters	0.00
Fenoxycarb	0.00
Fluorouracil (5-fluorouracil)	0.00
Paraldehyde	0.00
Paraquat dichloride	0.00
Pentachloroethane	0.00
Peroxyacetic acid	0.00
Piperonyl butoxide	0.00
Quinoline	0.00
Quinone	0.00
Safrole	0.00
Simazine	0.00
Sodium azide	0.00
Sodium dimethyldithiocarbamate	0.00
2-Nitrophenol	0.00
Nicotine and salts	0.00
Folpet	0.00
Freon 113	0.00
1,3-Dichloropropylene	0.00
Hydramethylnon	0.00
Isodrin	0.00
Methyl chlorocarbonate	0.00
Methyl hydrazine	0.00
2-Methylpyridine	0.00
Myclobutanil	0.00
N-methyl-2-pyrrolidone	0.00
N-methylolacrylamide	0.00
Strychnine and salts	0.00

(click here to shrink list to only top 5 chemicals)

Top 5 chemicals from facilities

Facility	Parent Company	Chemical	Toxic Hazard
HUNTSMAN PETROCHEMICAL LLC	Huntsman	Ethylene oxide	9,307.58
LYONDELL CHEMICAL CO	LyondellBasell	Ethylene oxide	8,180.84
EQUISTAR CHEMICALS BAYPORT CHEMICALS PLANT	LyondellBasell	Ethylene oxide	7,934.66
CELANESE LTD CLEAR LAKE PLANT	Celanese	Ethylene oxide	5,862.59
LYONDELL CHEMICAL CO	LyondellBasell	1,3-Butadiene	4,033.68

(click here to expand list to all chemicals from facilities)