Air Toxics at School 2022
School Info
School MONTESSORI DAY SCHOOL OF WELLESLEY HILLS Street 40 ABBOTT RD City WELLESLEY HLS State MA Number of students 5 Student % minority 40% Data Source PSS (private schools)
Air Toxics Info
Number of facilities affecting school 182 Number of chemicals affecting school 70 Toxic percentile nationwide (1=worst) 56th Toxic rank nationwide (1=worst) 71,884 Toxic percentile statewide (1=worst) 65th Toxic rank statewide (1=worst) 1,616 Toxic Hazard 472.22
This school's air toxic concentration is 0.10 times the national average at schools.
This school's air toxic concentration is 0.48 times the state average at schools.
Top 5 facilities
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Top chemicals
Chemical Toxic Hazard
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.) 139.55
Cobalt 117.15
Chromium 107.27
Ethylene oxide 40.96
Trichloroethylene 17.20
Nickel 12.92
Nickel compounds 7.98
Lead 6.33
Diisocyanates 5.66
Chloroform 5.13
Cadmium compounds 4.96
Benzene 2.17
Toluene diisocyanate (mixed isomers) 0.84
Di(2-ethylhexyl) phthalate 0.73
Formaldehyde 0.61
Antimony compounds 0.58
Polycyclic aromatic compounds 0.49
Zinc compounds 0.46
Chlorine 0.31
Copper 0.14
Xylene (mixed isomers) 0.11
Naphthalene 0.09
Hydrogen fluoride (Hydrofluoric acid) 0.08
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 0.06
Ethylbenzene 0.06
Certain glycol ethers 0.05
Dichloromethane (Methylene chloride) 0.05
Lead compounds 0.04
Triethylamine 0.03
Hydrogen cyanide 0.03
Nitric acid 0.03
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 0.03
Acetonitrile 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) 0.03
N,N-Dimethylformamide 0.02
Toluene 0.01
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 0.01
Pyridine 0.01
Cyanide compounds 0.01
n-Hexane (Hexane) 0.01
Phenol 0.01
Copper compounds (this category does not include copper phthalocyanine compounds that are substituted with only hydrogen, and/or chlorine, and/or bromine.) 0.01
o-Xylene 0.01
Silver compounds 0.00
1,2,4-Trimethylbenzene 0.00
Aluminum (fume or dust) 0.00
Acetophenone 0.00
Toluene-2,4-diisocyanate 0.00
Ethylene glycol 0.00
Methyl tert-butyl ether 0.00
Manganese 0.00
Methanol 0.00
Methyl methacrylate 0.00
Mercury 0.00
Styrene 0.00
Silver 0.00
Propylene oxide 0.00
Cyclohexane 0.00
Benzo[g,h,i]perylene 0.00
Vinyl acetate 0.00
3-Iodo-2-propynyl butylcarbamate 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
Lithium carbonate 0.00
N-Methyl-2-pyrrolidone 0.00
Nonylphenol Ethoxylates 0.00
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Top 5 chemicals from facilities
Facility Parent Company Chemical Toxic Hazard
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.) 134.72
TECOMET Charlesbank Capital Partners Cobalt 95.72
GE AVIATION General Electric Chromium 54.65
ISOMEDIX OPERATIONS INC. STERIS Ethylene oxide 40.96
TECOMET Charlesbank Capital Partners Chromium 24.40
(click here to expand list to all chemicals from facilities)
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Political Economy Research Institute
