Air Toxics at School 2022
School Info
School Nashoba Valley Technical High School Street 100 Littleton Road City Westford State MA Number of students 750 Student % minority 21% Type Career and Technical School Status 1 Level High School Data Source CCD (public schools)
Air Toxics Info
Number of facilities affecting school 146 Number of chemicals affecting school 70 Toxic percentile nationwide (1=worst) 57th Toxic rank nationwide (1=worst) 73,519 Toxic percentile statewide (1=worst) 69th Toxic rank statewide (1=worst) 1,714 Toxic Hazard 438.09
This school's air toxic concentration is 0.09 times the national average at schools.
This school's air toxic concentration is 0.45 times the state average at schools.
Top 5 facilities
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Top chemicals
Chemical Toxic Hazard
Chromium 169.09
Cobalt 123.41
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.) 57.26
Ethylene oxide 24.09
Lead 15.93
Trichloroethylene 12.91
Nickel 9.11
Polycyclic aromatic compounds 6.54
Nickel compounds 5.95
Diisocyanates 4.57
Chloroform 3.75
Benzene 1.25
Zinc compounds 1.11
Formaldehyde 0.76
Antimony compounds 0.41
Di(2-ethylhexyl) phthalate 0.39
Maleic anhydride 0.35
Dicyclopentadiene 0.17
Hydrogen cyanide 0.13
Toluene diisocyanate (mixed isomers) 0.10
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 0.09
N,N-Dimethylformamide 0.09
Copper 0.07
Naphthalene 0.07
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 0.07
Triethylamine 0.05
Hydrogen fluoride (Hydrofluoric acid) 0.05
Acrylonitrile 0.04
Peracetic acid 0.04
Lead compounds 0.04
Ethylbenzene 0.04
Toluene 0.03
Nitric acid 0.03
Dichloromethane (Methylene chloride) 0.02
n-Hexane (Hexane) 0.01
o-Xylene 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
Ethylene glycol 0.01
Pyridine 0.00
Butyl acrylate 0.00
Toluene-2,4-diisocyanate 0.00
Silver compounds 0.00
1,2,4-Trimethylbenzene 0.00
Methyl tert-butyl ether 0.00
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 0.00
Copper compounds (this category does not include copper phthalocyanine compounds that are substituted with only hydrogen, and/or chlorine, and/or bromine.) 0.00
Manganese 0.00
Phthalic anhydride 0.00
Phenol 0.00
Methanol 0.00
Methyl methacrylate 0.00
Styrene 0.00
Acrylic acid 0.00
Mercury 0.00
Ethyl acrylate 0.00
Benzo[g,h,i]perylene 0.00
Cyclohexane 0.00
n-Butyl alcohol (1-Butanol) 0.00
Sodium nitrite 0.00
Methyl isobutyl ketone 0.00
Formic acid 0.00
Acetophenone 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
(click here to shrink list to only top 5 chemicals)
Top 5 chemicals from facilities
Facility Parent Company Chemical Toxic Hazard
TECOMET Charlesbank Capital Partners Cobalt 92.02
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.) 53.68
GE AVIATION General Electric Chromium 51.00
PROTO LABS INC. PROTO LABS INC Chromium 40.24
PROTO LABS INC PROTO LABS INC Chromium 40.24
(click here to expand list to all chemicals from facilities)
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