Air Toxics at School 2022
School Info
School Lynch Elementary
Street 10 Brantwood Road
City Winchester
State MA
Number of students 473
Student % minority 46%
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 66
Toxic percentile nationwide (1=worst) 34th
Toxic rank nationwide (1=worst) 43,542
Toxic percentile statewide (1=worst) 19th
Toxic rank statewide (1=worst) 453
Toxic Hazard 1,428.56
This school's air toxic concentration is 0.29 times the national average at schools.
This school's air toxic concentration is 1.46 times the state average at schools.
Top 5 facilities
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Top chemicals
Chemical Toxic Hazard
Cobalt 647.83
Chromium 368.53
Trichloroethylene 118.15
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.) 94.19
Nickel compounds 52.66
Hydrazine 29.70
Chloroform 25.38
Nickel 24.39
Ethylene oxide 19.84
Lead 19.14
Diisocyanates 13.21
Benzene 6.79
Di(2-ethylhexyl) phthalate 2.15
Zinc compounds 1.40
Triethylamine 0.85
Polycyclic aromatic compounds 0.71
Formaldehyde 0.62
Toluene diisocyanate (mixed isomers) 0.59
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 0.48
Naphthalene 0.40
Antimony compounds 0.26
Copper 0.26
Ethylbenzene 0.24
Hydrogen fluoride (Hydrofluoric acid) 0.14
Xylene (mixed isomers) 0.10
Lead compounds 0.09
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 0.07
Hydrogen cyanide 0.07
N,N-Dimethylformamide 0.06
Nitric acid 0.03
Dichloromethane (Methylene chloride) 0.03
Toluene-2,4-diisocyanate 0.03
Certain glycol ethers 0.03
Toluene 0.02
Silver compounds 0.02
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
1,2,4-Trimethylbenzene 0.01
n-Hexane (Hexane) 0.01
Manganese 0.01
o-Xylene 0.01
Ethylene glycol 0.01
Pyridine 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
Methyl methacrylate 0.00
Methanol 0.00
Methyl tert-butyl ether 0.00
Phenol 0.00
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 0.00
Cyclohexane 0.00
Mercury 0.00
Benzo[g,h,i]perylene 0.00
Propylene oxide 0.00
Styrene 0.00
Sodium nitrite 0.00
Vinyl acetate 0.00
Methyl isobutyl ketone 0.00
Formic acid 0.00
3-Iodo-2-propynyl butylcarbamate 0.00
n-Butyl alcohol (1-Butanol) 0.00
Cumene 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
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 579.11
GE AVIATION General Electric Chromium 162.84
TECOMET Charlesbank Capital Partners Chromium 147.62
BOYD CORP INC. Goldman Sachs Trichloroethylene 118.15
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.) 93.55
(click here to expand list to all chemicals from facilities)
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