Air Toxics at School 2022
School Info
School Abbot Elementary Street 25 Depot Street City Westford State MA Number of students 360 Student % minority 25% Type Regular School Status 1 Level Elementary Data Source CCD (public schools)
Air Toxics Info
Number of facilities affecting school 145 Number of chemicals affecting school 68 Toxic percentile nationwide (1=worst) 60th Toxic rank nationwide (1=worst) 77,475 Toxic percentile statewide (1=worst) 78th Toxic rank statewide (1=worst) 1,948 Toxic Hazard 363.68
This school's air toxic concentration is 0.07 times the national average at schools.
This school's air toxic concentration is 0.37 times the state average at schools.
Top 5 facilities
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Top chemicals
Chemical Toxic Hazard
Chromium 176.64
Cobalt 108.31
Ethylene oxide 21.64
Lead 13.10
Trichloroethylene 10.75
Nickel 8.95
Nickel compounds 5.02
Diisocyanates 4.59
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.) 3.74
Chloroform 3.15
Polycyclic aromatic compounds 2.55
Benzene 1.14
Formaldehyde 0.94
Zinc compounds 0.91
Antimony compounds 0.43
Maleic anhydride 0.36
Di(2-ethylhexyl) phthalate 0.31
Dicyclopentadiene 0.20
Hydrogen cyanide 0.10
Toluene diisocyanate (mixed isomers) 0.09
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 0.09
N,N-Dimethylformamide 0.08
Copper 0.06
Naphthalene 0.06
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 0.06
Hydrogen fluoride (Hydrofluoric acid) 0.04
Acrylonitrile 0.04
Lead compounds 0.04
Peracetic acid 0.04
Triethylamine 0.04
Ethylbenzene 0.03
Toluene 0.03
Nitric acid 0.03
Dichloromethane (Methylene chloride) 0.03
n-Hexane (Hexane) 0.01
Certain glycol ethers 0.01
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
Xylene (mixed isomers) 0.01
Acetonitrile 0.01
o-Xylene 0.01
Ethylene glycol 0.00
Pyridine 0.00
Butyl acrylate 0.00
Silver compounds 0.00
Toluene-2,4-diisocyanate 0.00
Methyl tert-butyl ether 0.00
1,2,4-Trimethylbenzene 0.00
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 0.00
Phthalic anhydride 0.00
Phenol 0.00
Manganese 0.00
Methanol 0.00
Methyl methacrylate 0.00
Styrene 0.00
Acrylic acid 0.00
Ethyl acrylate 0.00
Benzo[g,h,i]perylene 0.00
n-Butyl alcohol (1-Butanol) 0.00
Cyclohexane 0.00
Sodium nitrite 0.00
Methyl isobutyl ketone 0.00
Acetophenone 0.00
Formic acid 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
Tetrabromobisphenol A 0.00
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Top 5 chemicals from facilities
Facility Parent Company Chemical Toxic Hazard
TECOMET Charlesbank Capital Partners Cobalt 76.26
PROTO LABS INC. PROTO LABS INC Chromium 48.04
PROTO LABS INC PROTO LABS INC Chromium 48.04
GE AVIATION General Electric Chromium 47.42
ISOMEDIX OPERATIONS INC. STERIS Ethylene oxide 21.64
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Political Economy Research Institute
