Air Toxics at School 2022
School Info
School John M Tobin
Street 359 Broadway
City Cambridge
State MA
Number of students 320
Student % minority 60%
Type Regular School
Status 1
Level Elementary
Data Source CCD (public schools)
Air Toxics Info
Number of facilities affecting school 142
Number of chemicals affecting school 68
Toxic percentile nationwide (1=worst) 44th
Toxic rank nationwide (1=worst) 56,961
Toxic percentile statewide (1=worst) 36th
Toxic rank statewide (1=worst) 876
Toxic Hazard 866.83
This school's air toxic concentration is 0.18 times the national average at schools.
This school's air toxic concentration is 0.89 times the state average at schools.
Top 5 facilities
(click here to expand list to all facilities)
Top chemicals
Chemical Toxic Hazard
Cobalt 312.05
Chromium 233.06
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.) 148.65
Trichloroethylene 45.93
Ethylene oxide 25.58
Chloroform 22.69
Nickel compounds 20.35
Nickel 20.26
Lead 10.03
Benzene 9.83
Diisocyanates 6.35
Cadmium compounds 4.42
Polycyclic aromatic compounds 1.75
Di(2-ethylhexyl) phthalate 0.82
Zinc compounds 0.80
Toluene diisocyanate (mixed isomers) 0.76
Formaldehyde 0.73
Naphthalene 0.68
Ethylbenzene 0.47
Chlorine 0.22
Xylene (mixed isomers) 0.20
Antimony compounds 0.19
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 0.16
Triethylamine 0.14
Lead compounds 0.14
Copper 0.11
Hydrogen fluoride (Hydrofluoric acid) 0.07
Certain glycol ethers 0.05
Hydrogen cyanide 0.04
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 0.04
Dichloromethane (Methylene chloride) 0.04
Nitric acid 0.03
N,N-Dimethylformamide 0.03
1,2,4-Trimethylbenzene 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 0.02
Acetonitrile 0.01
Ethylene glycol 0.01
n-Hexane (Hexane) 0.01
Silver compounds 0.01
Toluene-2,4-diisocyanate 0.01
Cyanide compounds 0.01
Copper compounds (this category does not include copper phthalocyanine compounds that are substituted with only hydrogen, and/or chlorine, and/or bromine.) 0.00
Pyridine 0.00
o-Xylene 0.00
Manganese 0.00
Aluminum (fume or dust) 0.00
Methanol 0.00
Phenol 0.00
Methyl methacrylate 0.00
Methyl tert-butyl ether 0.00
Mercury 0.00
Benzo[g,h,i]perylene 0.00
Cyclohexane 0.00
Propylene oxide 0.00
Styrene 0.00
Vinyl acetate 0.00
Sodium nitrite 0.00
3-Iodo-2-propynyl butylcarbamate 0.00
Formic acid 0.00
Methyl isobutyl ketone 0.00
n-Butyl alcohol (1-Butanol) 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 240.55
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.) 148.65
GE AVIATION General Electric Chromium 125.51
TECOMET Charlesbank Capital Partners Chromium 61.32
BOYD CORP INC. Goldman Sachs Trichloroethylene 45.93
(click here to expand list to all chemicals from facilities)
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