Air Toxics at School 2022
School Info
School Wm Diamond Middle Street 99 Hancock Street City Lexington State MA Number of students 942 Student % minority 61% Type Regular School Status 1 Level Middle School Data Source CCD (public schools)
Air Toxics Info
Number of facilities affecting school 166 Number of chemicals affecting school 67 Toxic percentile nationwide (1=worst) 44th Toxic rank nationwide (1=worst) 57,167 Toxic percentile statewide (1=worst) 36th Toxic rank statewide (1=worst) 892 Toxic Hazard 860.28
This school's air toxic concentration is 0.18 times the national average at schools.
This school's air toxic concentration is 0.88 times the state average at schools.
Top 5 facilities
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Top chemicals
Chemical Toxic Hazard
Cobalt 330.89
Chromium 242.00
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.) 90.30
Trichloroethylene 55.39
Hydrazine 26.94
Nickel compounds 24.72
Ethylene oxide 22.39
Lead 19.97
Nickel 16.53
Chloroform 12.00
Diisocyanates 7.63
Benzene 3.94
Di(2-ethylhexyl) phthalate 2.90
Zinc compounds 1.43
Polycyclic aromatic compounds 0.56
Toluene diisocyanate (mixed isomers) 0.53
Triethylamine 0.33
Antimony compounds 0.30
Naphthalene 0.22
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 0.21
Formaldehyde 0.20
Copper 0.16
Ethylbenzene 0.13
Hydrogen fluoride (Hydrofluoric acid) 0.08
Hydrogen cyanide 0.08
Xylene (mixed isomers) 0.07
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 0.07
Lead compounds 0.05
N,N-Dimethylformamide 0.05
Dichloromethane (Methylene chloride) 0.04
Nitric acid 0.03
Certain glycol ethers 0.02
Toluene 0.02
o-Xylene 0.01
Toluene-2,4-diisocyanate 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
n-Hexane (Hexane) 0.01
Silver compounds 0.01
1,2,4-Trimethylbenzene 0.01
Ethylene glycol 0.01
Pyridine 0.00
Manganese 0.00
Methanol 0.00
Aluminum (fume or dust) 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
Methyl tert-butyl ether 0.00
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 0.00
Mercury 0.00
Benzo[g,h,i]perylene 0.00
Phenol 0.00
Cyclohexane 0.00
Styrene 0.00
Propylene oxide 0.00
Sodium nitrite 0.00
Vinyl acetate 0.00
3-Iodo-2-propynyl butylcarbamate 0.00
n-Butyl alcohol (1-Butanol) 0.00
Formic acid 0.00
Methyl isobutyl ketone 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 291.65
GE AVIATION General Electric Chromium 111.47
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.) 89.51
TECOMET Charlesbank Capital Partners Chromium 74.34
BOYD CORP INC. Goldman Sachs Trichloroethylene 55.39
(click here to expand list to all chemicals from facilities)
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Political Economy Research Institute
