Air Toxics at School 2022
School Info
School SEVEN HILLS AT GROTON Street 22 HILLSIDE AVE City GROTON State MA Number of students 31 Student % minority 48% Data Source PSS (private schools)
Air Toxics Info
Number of facilities affecting school 127 Number of chemicals affecting school 65 Toxic percentile nationwide (1=worst) 64th Toxic rank nationwide (1=worst) 82,383 Toxic percentile statewide (1=worst) 84th Toxic rank statewide (1=worst) 2,096 Toxic Hazard 276.87
This school's air toxic concentration is 0.06 times the national average at schools.
This school's air toxic concentration is 0.28 times the state average at schools.
Top 5 facilities
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Top chemicals
Chemical Toxic Hazard
Chromium 147.16
Cobalt 86.96
Ethylene oxide 7.70
Nickel 7.12
Trichloroethylene 6.98
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.) 5.51
Lead 4.95
Nickel compounds 3.29
Diisocyanates 2.24
Chloroform 1.15
Formaldehyde 0.90
Antimony compounds 0.60
Maleic anhydride 0.56
Dicyclopentadiene 0.50
Zinc compounds 0.34
Di(2-ethylhexyl) phthalate 0.18
Polycyclic aromatic compounds 0.14
Dichloromethane (Methylene chloride) 0.07
Acrylonitrile 0.07
Peracetic acid 0.05
Hydrogen cyanide 0.04
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 0.04
N,N-Dimethylformamide 0.04
Nitric acid 0.04
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 0.03
Copper 0.03
Lead compounds 0.03
Toluene diisocyanate (mixed isomers) 0.03
Ethylbenzene 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) 0.01
Triethylamine 0.01
Toluene 0.01
Certain glycol ethers 0.01
Hydrogen fluoride (Hydrofluoric acid) 0.01
Butyl acrylate 0.01
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 0.00
n-Hexane (Hexane) 0.00
Methyl tert-butyl ether 0.00
Xylene (mixed isomers) 0.00
Ethylene glycol 0.00
Phthalic anhydride 0.00
Silver compounds 0.00
o-Xylene 0.00
Toluene-2,4-diisocyanate 0.00
Phenol 0.00
Methanol 0.00
Styrene 0.00
Manganese 0.00
Acetonitrile 0.00
Acrylic acid 0.00
1,2,4-Trimethylbenzene 0.00
Ethyl acrylate 0.00
Methyl methacrylate 0.00
Benzo[g,h,i]perylene 0.00
Cyclohexane 0.00
n-Butyl alcohol (1-Butanol) 0.00
Sodium nitrite 0.00
Acetophenone 0.00
Methyl isobutyl ketone 0.00
Formic acid 0.00
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 0.00
Cyanide compounds 0.00
Lithium carbonate 0.00
N-Methyl-2-pyrrolidone 0.00
Tetrabromobisphenol A 0.00
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Top 5 chemicals from facilities
Facility Parent Company Chemical Toxic Hazard
PROTO LABS INC. PROTO LABS INC Chromium 64.56
PROTO LABS INC PROTO LABS INC Chromium 64.56
TECOMET Charlesbank Capital Partners Cobalt 45.32
HITCHINER COUNTERGRAVITY CAST OPERATIONS (VCO/DCO/MCT) HITCHINER MANUFACTURING CO INC Cobalt 38.57
TECOMET Charlesbank Capital Partners Chromium 11.55
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Political Economy Research Institute
