Air Toxics at School 2022
School Info
School Swallow/Union School Street 522 Main Street City Dunstable State MA Number of students 328 Student % minority 20% Type Regular School Status 1 Level Elementary Data Source CCD (public schools)
Air Toxics Info
Number of facilities affecting school 140 Number of chemicals affecting school 67 Toxic percentile nationwide (1=worst) 57th Toxic rank nationwide (1=worst) 74,042 Toxic percentile statewide (1=worst) 70th Toxic rank statewide (1=worst) 1,739 Toxic Hazard 428.31
This school's air toxic concentration is 0.09 times the national average at schools.
This school's air toxic concentration is 0.44 times the state average at schools.
Top 5 facilities
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Top chemicals
Chemical Toxic Hazard
Chromium 309.74
Cobalt 71.04
Ethylene oxide 10.62
Nickel 8.25
Trichloroethylene 6.18
Lead 4.73
Diisocyanates 4.28
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.) 3.78
Formaldehyde 3.25
Nickel compounds 2.89
Chloroform 1.01
Antimony compounds 0.45
Maleic anhydride 0.40
Zinc compounds 0.30
Dicyclopentadiene 0.26
Di(2-ethylhexyl) phthalate 0.15
Polycyclic aromatic compounds 0.15
Toluene diisocyanate (mixed isomers) 0.09
Benzene 0.08
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 0.06
N,N-Dimethylformamide 0.06
Acrylonitrile 0.05
Nitric acid 0.05
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 0.05
Peracetic acid 0.04
Copper 0.04
Certain glycol ethers 0.04
Lead compounds 0.04
Hydrogen cyanide 0.04
Dichloromethane (Methylene chloride) 0.03
Ethylbenzene 0.02
Toluene 0.02
Naphthalene 0.02
Triethylamine 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
n-Hexane (Hexane) 0.01
Xylene (mixed isomers) 0.01
Hydrogen fluoride (Hydrofluoric acid) 0.01
Butyl acrylate 0.00
Ethylene glycol 0.00
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 0.00
Methyl tert-butyl ether 0.00
o-Xylene 0.00
Silver compounds 0.00
Phthalic anhydride 0.00
Toluene-2,4-diisocyanate 0.00
1,2,4-Trimethylbenzene 0.00
Phenol 0.00
Methanol 0.00
Manganese 0.00
Styrene 0.00
Acetonitrile 0.00
Methyl methacrylate 0.00
Acrylic acid 0.00
Ethyl acrylate 0.00
n-Butyl alcohol (1-Butanol) 0.00
Benzo[g,h,i]perylene 0.00
Cyclohexane 0.00
Sodium nitrite 0.00
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 0.00
Acetophenone 0.00
Methyl isobutyl ketone 0.00
Formic acid 0.00
Benzoyl peroxide 0.00
Lithium carbonate 0.00
N-Methyl-2-pyrrolidone 0.00
Tetrabromobisphenol A 0.00
(click here to shrink list to only top 5 chemicals)
Top 5 chemicals from facilities
Facility Parent Company Chemical Toxic Hazard
PROTO LABS INC. PROTO LABS INC Chromium 125.23
PROTO LABS INC PROTO LABS INC Chromium 125.23
GE AVIATION General Electric Chromium 38.80
TECOMET Charlesbank Capital Partners Cobalt 37.83
HITCHINER COUNTERGRAVITY CAST OPERATIONS (VCO/DCO/MCT) HITCHINER MANUFACTURING CO INC Cobalt 21.30
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Political Economy Research Institute
