Air Toxics at School 2022
School Info
School THE GUILD FOR HUMAN SERVICES Street 521 VIRGINIA RD City CONCORD State MA Number of students 72 Student % minority 42% Data Source PSS (private schools)
Air Toxics Info
Number of facilities affecting school 167 Number of chemicals affecting school 75 Toxic percentile nationwide (1=worst) 51st Toxic rank nationwide (1=worst) 66,199 Toxic percentile statewide (1=worst) 56th Toxic rank statewide (1=worst) 1,394 Toxic Hazard 607.78
This school's air toxic concentration is 0.12 times the national average at schools.
This school's air toxic concentration is 0.62 times the state average at schools.
Top 5 facilities
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Top chemicals
Chemical Toxic Hazard
Cobalt 219.25
Chromium 190.50
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.) 79.09
Ethylene oxide 27.62
Trichloroethylene 27.18
Lead 16.86
Nickel 13.21
Nickel compounds 11.99
Chloroform 7.61
Diisocyanates 5.97
Benzene 2.66
Di(2-ethylhexyl) phthalate 1.68
Zinc compounds 1.19
Polycyclic aromatic compounds 0.56
Antimony compounds 0.40
Formaldehyde 0.33
Maleic anhydride 0.30
Triethylamine 0.17
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 0.13
Naphthalene 0.13
Copper 0.10
Dicyclopentadiene 0.10
Ethylbenzene 0.08
Hydrogen fluoride (Hydrofluoric acid) 0.08
Hydrogen cyanide 0.07
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 0.07
Toluene diisocyanate (mixed isomers) 0.06
Xylene (mixed isomers) 0.06
N,N-Dimethylformamide 0.04
Lead compounds 0.03
Acrylonitrile 0.03
Dichloromethane (Methylene chloride) 0.03
Nitric acid 0.03
o-Xylene 0.03
Peracetic acid 0.03
Certain glycol ethers 0.02
Toluene 0.02
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
Toluene-2,4-diisocyanate 0.01
Ethylene glycol 0.01
Pyridine 0.01
Silver compounds 0.00
1,2,4-Trimethylbenzene 0.00
Aluminum (fume or dust) 0.00
Manganese 0.00
Butyl acrylate 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
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
Phthalic anhydride 0.00
Methyl methacrylate 0.00
Styrene 0.00
Mercury 0.00
Benzo[g,h,i]perylene 0.00
Acrylic acid 0.00
Cyclohexane 0.00
Ethyl acrylate 0.00
Vinyl acetate 0.00
Sodium nitrite 0.00
n-Butyl alcohol (1-Butanol) 0.00
3-Iodo-2-propynyl butylcarbamate 0.00
Formic acid 0.00
Methyl isobutyl ketone 0.00
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 0.00
Cumene 0.00
Acetophenone 0.00
Benzoyl peroxide 0.00
Lithium carbonate 0.00
N-Methyl-2-pyrrolidone 0.00
Tetrabromobisphenol A 0.00
Nonylphenol Ethoxylates 0.00
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Top 5 chemicals from facilities
Facility Parent Company Chemical Toxic Hazard
TECOMET Charlesbank Capital Partners Cobalt 192.16
GE AVIATION General Electric Chromium 81.25
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.) 75.73
TECOMET Charlesbank Capital Partners Chromium 48.98
ISOMEDIX OPERATIONS INC. STERIS Ethylene oxide 27.62
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Political Economy Research Institute
