Air Toxics at School 2022
School Info
School Chelsea High
Street 299 Everett Avenue
City Chelsea
State MA
Number of students 1,611
Student % minority 95%
Type Regular School
Status 1
Level High School
Data Source CCD (public schools)
Air Toxics Info
Number of facilities affecting school 139
Number of chemicals affecting school 64
Toxic percentile nationwide (1=worst) 36th
Toxic rank nationwide (1=worst) 45,973
Toxic percentile statewide (1=worst) 21st
Toxic rank statewide (1=worst) 502
Toxic Hazard 1,304.87
This school's air toxic concentration is 0.27 times the national average at schools.
This school's air toxic concentration is 1.34 times the state average at schools.
Top 5 facilities
(click here to expand list to all facilities)
Top chemicals
Chemical Toxic Hazard
Cobalt 459.53
Chromium 405.69
Chromium compounds (except for chromite ore mined in the Transvaal Region of South Africa and the unreacted ore component of the chromite ore processing residue (COPR). COPR is the solid waste remaining after aqueous extraction of oxidized chromite ore that has been combined with soda ash and kiln roasted at approximately 2,000 F.) 103.83
Benzene 100.01
Trichloroethylene 56.95
Nickel 34.64
Chloroform 34.27
Nickel compounds 25.52
Ethylene oxide 21.17
Hydrazine 17.91
Naphthalene 14.98
Lead 10.69
Diisocyanates 7.04
Ethylbenzene 4.04
Polycyclic aromatic compounds 1.52
Zinc compounds 1.18
1,2,4-Trimethylbenzene 1.11
Di(2-ethylhexyl) phthalate 0.83
Xylene (mixed isomers) 0.81
Toluene diisocyanate (mixed isomers) 0.79
Formaldehyde 0.67
Lead compounds 0.57
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 0.20
Antimony compounds 0.17
Triethylamine 0.15
Copper 0.14
Hydrogen fluoride (Hydrofluoric acid) 0.07
Nitric acid 0.06
Hydrogen cyanide 0.04
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 0.04
Certain glycol ethers 0.04
N,N-Dimethylformamide 0.04
n-Hexane (Hexane) 0.03
Dichloromethane (Methylene chloride) 0.03
Toluene 0.03
Ammonia (includes anhydrous ammonia and aqueous ammonia from water dissociable ammonium salts and other sources; 10 percent of total aqueous ammonia is reportable under this listing) 0.02
Toluene-2,4-diisocyanate 0.01
Silver compounds 0.01
Acetonitrile 0.01
Ethylene glycol 0.01
Manganese 0.00
o-Xylene 0.00
Pyridine 0.00
Copper compounds (this category does not include copper phthalocyanine compounds that are substituted with only hydrogen, and/or chlorine, and/or bromine.) 0.00
Aluminum (fume or dust) 0.00
Methyl methacrylate 0.00
Benzo[g,h,i]perylene 0.00
Phenol 0.00
Methanol 0.00
Cyclohexane 0.00
Mercury 0.00
Propylene oxide 0.00
Styrene 0.00
Sodium nitrite 0.00
Vinyl acetate 0.00
Formic acid 0.00
3-Iodo-2-propynyl butylcarbamate 0.00
Methyl isobutyl ketone 0.00
Cumene 0.00
n-Butyl alcohol (1-Butanol) 0.00
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 0.00
Benzoyl peroxide 0.00
N-Methyl-2-pyrrolidone 0.00
Nonylphenol Ethoxylates 0.00
(click here to shrink list to only top 5 chemicals)
Top 5 chemicals from facilities
Facility Parent Company Chemical Toxic Hazard
TECOMET Charlesbank Capital Partners Cobalt 299.20
GE AVIATION General Electric Chromium 235.39
CERTAINTEED LLC Saint-Gobain Chromium compounds (except for chromite ore mined in the Transvaal Region of South Africa and the unreacted ore component of the chromite ore processing residue (COPR). COPR is the solid waste remaining after aqueous extraction of oxidized chromite ore that has been combined with soda ash and kiln roasted at approximately 2,000 F.) 103.83
PARADIGM PRECISION HOLDINGS LLC Pursuit Aerospace Cobalt 96.09
TECOMET Charlesbank Capital Partners Chromium 76.27
(click here to expand list to all chemicals from facilities)
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