Air Toxics at School 2022
School Info
School McCarthy Middle School Street 250 North Rd City Chelmsford State MA Number of students 844 Student % minority 37% Type Regular School Status 1 Level Middle School Data Source CCD (public schools)
Air Toxics Info
Number of facilities affecting school 142 Number of chemicals affecting school 67 Toxic percentile nationwide (1=worst) 60th Toxic rank nationwide (1=worst) 77,957 Toxic percentile statewide (1=worst) 79th Toxic rank statewide (1=worst) 1,971 Toxic Hazard 353.93
This school's air toxic concentration is 0.07 times the national average at schools.
This school's air toxic concentration is 0.36 times the state average at schools.
Top 5 facilities
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Top chemicals
Chemical Toxic Hazard
Chromium 154.24
Cobalt 95.65
Hydrazine 29.56
Ethylene oxide 18.19
Lead 17.45
Trichloroethylene 10.00
Nickel 8.29
Nickel compounds 4.53
Diisocyanates 3.73
Chloroform 2.91
Polycyclic aromatic compounds 2.40
Benzene 1.28
Zinc compounds 1.22
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.) 1.05
Formaldehyde 0.59
Hydrogen cyanide 0.45
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 0.39
Antimony compounds 0.36
Maleic anhydride 0.29
Di(2-ethylhexyl) phthalate 0.23
Toluene diisocyanate (mixed isomers) 0.18
Toluene 0.15
N,N-Dimethylformamide 0.15
Dicyclopentadiene 0.13
Copper 0.08
Naphthalene 0.07
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 0.05
Lead compounds 0.04
Ethylbenzene 0.04
Triethylamine 0.04
n-Hexane (Hexane) 0.03
Acrylonitrile 0.03
Peracetic acid 0.03
Dichloromethane (Methylene chloride) 0.03
Nitric acid 0.02
Hydrogen fluoride (Hydrofluoric acid) 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
o-Xylene 0.01
Ethylene glycol 0.01
Butyl acrylate 0.00
Silver compounds 0.00
1,2,4-Trimethylbenzene 0.00
Toluene-2,4-diisocyanate 0.00
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 0.00
Methyl tert-butyl ether 0.00
Phthalic anhydride 0.00
Manganese 0.00
Acetonitrile 0.00
Methanol 0.00
Methyl methacrylate 0.00
Styrene 0.00
Benzo[g,h,i]perylene 0.00
Phenol 0.00
Acrylic acid 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
Acetophenone 0.00
Formic acid 0.00
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 0.00
Benzoyl peroxide 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 65.26
GE AVIATION General Electric Chromium 52.18
PROTO LABS INC. PROTO LABS INC Chromium 36.34
PROTO LABS INC PROTO LABS INC Chromium 36.34
UNION SPECIALTIES INC UNION SPECIALTIES INC Hydrazine 29.56
(click here to expand list to all chemicals from facilities)
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Political Economy Research Institute
