Air Toxics at School 2022
School Info
School Thomas Ditson
Street 39 Cook Street
City Billerica
State MA
Number of students 557
Student % minority 30%
Type Regular School
Status 1
Level Elementary
Data Source CCD (public schools)
Air Toxics Info
Number of facilities affecting school 157
Number of chemicals affecting school 64
Toxic percentile nationwide (1=worst) 40th
Toxic rank nationwide (1=worst) 51,560
Toxic percentile statewide (1=worst) 25th
Toxic rank statewide (1=worst) 607
Toxic Hazard 1,060.68
This school's air toxic concentration is 0.22 times the national average at schools.
This school's air toxic concentration is 1.09 times the state average at schools.
Top 5 facilities
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Top chemicals
Chemical Toxic Hazard
Cobalt 502.55
Chromium 256.38
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.) 71.67
Lead 52.14
Trichloroethylene 44.58
Hydrazine 35.07
Nickel compounds 20.16
Ethylene oxide 18.35
Chloroform 16.95
Nickel 13.90
Diisocyanates 13.47
Di(2-ethylhexyl) phthalate 4.56
Zinc compounds 3.66
Benzene 3.06
Triethylamine 1.17
Polycyclic aromatic compounds 0.61
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 0.40
Antimony compounds 0.28
Copper 0.23
Toluene diisocyanate (mixed isomers) 0.22
Formaldehyde 0.21
Hydrogen cyanide 0.16
Naphthalene 0.16
Hydrogen fluoride (Hydrofluoric acid) 0.13
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 0.12
N,N-Dimethylformamide 0.10
Ethylbenzene 0.08
Xylene (mixed isomers) 0.05
Lead compounds 0.05
Toluene 0.03
Toluene-2,4-diisocyanate 0.03
Nitric acid 0.02
Dichloromethane (Methylene chloride) 0.02
Certain glycol ethers 0.02
n-Hexane (Hexane) 0.01
Ethylene glycol 0.01
Acetonitrile 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
Silver compounds 0.01
Manganese 0.01
1,2,4-Trimethylbenzene 0.01
Pyridine 0.00
Methyl methacrylate 0.00
Methanol 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
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 0.00
Methyl tert-butyl ether 0.00
Benzo[g,h,i]perylene 0.00
Cyclohexane 0.00
Mercury 0.00
Sodium nitrite 0.00
Methyl isobutyl ketone 0.00
Phenol 0.00
n-Butyl alcohol (1-Butanol) 0.00
Formic acid 0.00
Cumene 0.00
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 0.00
Styrene 0.00
Acetophenone 0.00
Benzoyl peroxide 0.00
N-Methyl-2-pyrrolidone 0.00
Tetrabromobisphenol A 0.00
Nonylphenol Ethoxylates 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 469.14
TECOMET Charlesbank Capital Partners Chromium 119.58
GE AVIATION General Electric Chromium 88.92
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.) 70.95
PACE INDUSTRIES - CAMBRIDGE DIV Pace Industries Lead 52.02
(click here to expand list to all chemicals from facilities)
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