Air Toxics at School 2022
School Info
School Byam School Street 25 Maple Road City Chelmsford State MA Number of students 501 Student % minority 34% Type Regular School Status 1 Level Elementary Data Source CCD (public schools)
Air Toxics Info
Number of facilities affecting school 152 Number of chemicals affecting school 71 Toxic percentile nationwide (1=worst) 55th Toxic rank nationwide (1=worst) 70,769 Toxic percentile statewide (1=worst) 62nd Toxic rank statewide (1=worst) 1,552 Toxic Hazard 498.06
This school's air toxic concentration is 0.10 times the national average at schools.
This school's air toxic concentration is 0.51 times the state average at schools.
Top 5 facilities
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Top chemicals
Chemical Toxic Hazard
Chromium 165.22
Cobalt 127.25
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.) 57.71
Polycyclic aromatic compounds 35.52
Hydrazine 24.79
Ethylene oxide 23.36
Lead 20.37
Trichloroethylene 12.89
Nickel 10.50
Nickel compounds 6.00
Diisocyanates 4.67
Chloroform 3.84
Zinc compounds 1.42
Benzene 1.33
Formaldehyde 0.67
Di(2-ethylhexyl) phthalate 0.39
Antimony compounds 0.39
Maleic anhydride 0.32
Toluene diisocyanate (mixed isomers) 0.18
Hydrogen cyanide 0.17
Dicyclopentadiene 0.15
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 0.12
N,N-Dimethylformamide 0.11
Copper 0.09
Naphthalene 0.07
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 0.07
Triethylamine 0.06
Hydrogen fluoride (Hydrofluoric acid) 0.05
Lead compounds 0.04
Toluene 0.04
Acrylonitrile 0.04
Ethylbenzene 0.04
Peracetic acid 0.04
Nitric acid 0.03
Dichloromethane (Methylene chloride) 0.03
n-Hexane (Hexane) 0.01
o-Xylene 0.01
Certain glycol ethers 0.01
Xylene (mixed isomers) 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
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
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
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 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
Benzo[g,h,i]perylene 0.00
Ethyl acrylate 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
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Top 5 chemicals from facilities
Facility Parent Company Chemical Toxic Hazard
TECOMET Charlesbank Capital Partners Cobalt 95.88
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.) 54.35
GE AVIATION General Electric Chromium 53.03
PROTO LABS INC. PROTO LABS INC Chromium 35.80
PROTO LABS INC PROTO LABS INC Chromium 35.80
(click here to expand list to all chemicals from facilities)
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Political Economy Research Institute
