Air Toxics at School 2022
School Info
School Winthrop L Chenery Middle
Street 95 Washington Street
City Belmont
State MA
Number of students 1,371
Student % minority 39%
Type Regular School
Status 1
Level Middle School
Data Source CCD (public schools)
Air Toxics Info
Number of facilities affecting school 156
Number of chemicals affecting school 70
Toxic percentile nationwide (1=worst) 48th
Toxic rank nationwide (1=worst) 61,696
Toxic percentile statewide (1=worst) 47th
Toxic rank statewide (1=worst) 1,162
Toxic Hazard 726.23
This school's air toxic concentration is 0.15 times the national average at schools.
This school's air toxic concentration is 0.74 times the state average at schools.
Top 5 facilities
(click here to expand list to all facilities)
Top chemicals
Chemical Toxic Hazard
Cobalt 276.27
Chromium 169.29
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.) 130.17
Trichloroethylene 39.95
Ethylene oxide 31.56
Nickel compounds 17.58
Nickel 14.27
Chloroform 13.85
Lead 10.92
Diisocyanates 6.21
Benzene 5.79
Cadmium compounds 4.20
Di(2-ethylhexyl) phthalate 1.09
Polycyclic aromatic compounds 0.83
Zinc compounds 0.80
Formaldehyde 0.76
Toluene diisocyanate (mixed isomers) 0.61
Naphthalene 0.35
Antimony compounds 0.29
Chlorine 0.21
Ethylbenzene 0.20
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 0.16
Triethylamine 0.15
Xylene (mixed isomers) 0.12
Copper 0.11
Hydrogen fluoride (Hydrofluoric acid) 0.08
Lead compounds 0.07
Hydrogen cyanide 0.05
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 0.04
Certain glycol ethers 0.04
Dichloromethane (Methylene chloride) 0.03
N,N-Dimethylformamide 0.03
Nitric acid 0.03
Acetonitrile 0.02
Toluene 0.01
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) 0.01
1,2,4-Trimethylbenzene 0.01
n-Hexane (Hexane) 0.01
Toluene-2,4-diisocyanate 0.01
Silver compounds 0.01
o-Xylene 0.01
Cyanide compounds 0.01
Pyridine 0.00
Ethylene glycol 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
Manganese 0.00
Aluminum (fume or dust) 0.00
Phenol 0.00
Methyl methacrylate 0.00
Methyl tert-butyl ether 0.00
Methanol 0.00
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 0.00
Mercury 0.00
Benzo[g,h,i]perylene 0.00
Cyclohexane 0.00
Silver 0.00
Propylene oxide 0.00
Styrene 0.00
Vinyl acetate 0.00
3-Iodo-2-propynyl butylcarbamate 0.00
Sodium nitrite 0.00
Formic acid 0.00
n-Butyl alcohol (1-Butanol) 0.00
Methyl isobutyl ketone 0.00
Cumene 0.00
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 0.00
Benzoyl peroxide 0.00
N-Methyl-2-pyrrolidone 0.00
Tetrabromobisphenol A 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 236.16
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.) 129.42
GE AVIATION General Electric Chromium 78.95
TECOMET Charlesbank Capital Partners Chromium 60.20
BOYD CORP INC. Goldman Sachs Trichloroethylene 39.95
(click here to expand list to all chemicals from facilities)
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