Air Toxics at School 2022
School Info
School Groton Dunstable Regional Middle Street 346 Main Street City Groton State MA Number of students 723 Student % minority 18% Type Regular School Status 1 Level Middle School Data Source CCD (public schools)
Air Toxics Info
Number of facilities affecting school 122 Number of chemicals affecting school 64 Toxic percentile nationwide (1=worst) 64th Toxic rank nationwide (1=worst) 82,888 Toxic percentile statewide (1=worst) 85th Toxic rank statewide (1=worst) 2,108 Toxic Hazard 268.24
This school's air toxic concentration is 0.06 times the national average at schools.
This school's air toxic concentration is 0.27 times the state average at schools.
Top 5 facilities
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Top chemicals
Chemical Toxic Hazard
Chromium 139.20
Cobalt 87.39
Nickel 7.37
Ethylene oxide 6.91
Trichloroethylene 6.81
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.) 5.63
Lead 4.70
Nickel compounds 3.21
Diisocyanates 2.15
Chloroform 1.12
Formaldehyde 0.81
Antimony compounds 0.63
Maleic anhydride 0.59
Dicyclopentadiene 0.55
Zinc compounds 0.33
Di(2-ethylhexyl) phthalate 0.17
Polycyclic aromatic compounds 0.12
Acrylonitrile 0.08
Dichloromethane (Methylene chloride) 0.08
Peracetic acid 0.06
Hydrogen cyanide 0.04
N,N-Dimethylformamide 0.03
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 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
Copper 0.03
Lead compounds 0.03
Toluene diisocyanate (mixed isomers) 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 0.01
Triethylamine 0.01
Certain glycol ethers 0.01
Butyl acrylate 0.01
Hydrogen fluoride (Hydrofluoric acid) 0.01
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 0.01
Methyl tert-butyl ether 0.00
n-Hexane (Hexane) 0.00
Phthalic anhydride 0.00
Ethylene glycol 0.00
Silver compounds 0.00
o-Xylene 0.00
Phenol 0.00
Toluene-2,4-diisocyanate 0.00
Methanol 0.00
Styrene 0.00
Xylene (mixed isomers) 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 60.75
PROTO LABS INC PROTO LABS INC Chromium 60.75
TECOMET Charlesbank Capital Partners Cobalt 44.04
HITCHINER COUNTERGRAVITY CAST OPERATIONS (VCO/DCO/MCT) HITCHINER MANUFACTURING CO INC Cobalt 40.34
TECOMET Charlesbank Capital Partners Chromium 11.22
(click here to expand list to all chemicals from facilities)
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Political Economy Research Institute
