Air Toxics at School 2022
School Info
School OLD COLONY MONTESSORI SCHOOL Street 247 GARDNER ST City HINGHAM State MA Number of students 40 Student % minority 18% Data Source PSS (private schools)
Air Toxics Info
Number of facilities affecting school 114 Number of chemicals affecting school 59 Toxic percentile nationwide (1=worst) 54th Toxic rank nationwide (1=worst) 69,371 Toxic percentile statewide (1=worst) 60th Toxic rank statewide (1=worst) 1,500 Toxic Hazard 529.35
This school's air toxic concentration is 0.11 times the national average at schools.
This school's air toxic concentration is 0.54 times the state average at schools.
Top 5 facilities
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Top chemicals
Chemical Toxic Hazard
Cobalt 286.82
Chromium 115.96
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.) 62.61
Trichloroethylene 20.50
Nickel 10.62
Nickel compounds 9.53
Formaldehyde 5.02
Chloroform 4.17
Benzene 3.61
Diisocyanates 3.31
Cadmium compounds 3.01
Dichloromethane (Methylene chloride) 1.60
Toluene diisocyanate (mixed isomers) 0.63
Polycyclic aromatic compounds 0.53
Di(2-ethylhexyl) phthalate 0.27
Chlorine 0.27
Copper 0.15
Xylene (mixed isomers) 0.12
n-Hexane (Hexane) 0.11
Antimony compounds 0.08
Ethylbenzene 0.08
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 0.06
Naphthalene 0.05
Lead 0.04
Certain glycol ethers 0.03
Toluene 0.02
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
Triethylamine 0.02
Lead compounds 0.02
Hydrogen fluoride (Hydrofluoric acid) 0.02
Acetonitrile 0.01
Phenol 0.01
Zinc compounds 0.01
Nitric acid 0.01
1,2,4-Trimethylbenzene 0.01
Manganese 0.01
Cyanide compounds 0.00
Silver compounds 0.00
Methanol 0.00
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 0.00
Toluene-2,4-diisocyanate 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
Propylene oxide 0.00
N,N-Dimethylformamide 0.00
Methyl methacrylate 0.00
Ethylene glycol 0.00
Styrene 0.00
Mercury 0.00
Cyclohexane 0.00
Benzo[g,h,i]perylene 0.00
Silver 0.00
Cumene 0.00
n-Butyl alcohol (1-Butanol) 0.00
Methyl isobutyl ketone 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
DEPUY SYNTHES A JOHNSON & JOHNSON CO Johnson & Johnson Cobalt 159.13
TECOMET Charlesbank Capital Partners Cobalt 108.80
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.) 62.61
GE AVIATION General Electric Chromium 39.94
TECOMET Charlesbank Capital Partners Chromium 27.73
(click here to expand list to all chemicals from facilities)
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