Air Toxics at School 2022
School Info
School Bennett-Hemenway
Street 22 East Evergreen Rd
City Natick
State MA
Number of students 480
Student % minority 32%
Type Regular School
Status 1
Level Elementary
Data Source CCD (public schools)
Air Toxics Info
Number of facilities affecting school 184
Number of chemicals affecting school 71
Toxic percentile nationwide (1=worst) 59th
Toxic rank nationwide (1=worst) 75,839
Toxic percentile statewide (1=worst) 74th
Toxic rank statewide (1=worst) 1,842
Toxic Hazard 393.05
This school's air toxic concentration is 0.08 times the national average at schools.
This school's air toxic concentration is 0.40 times the state average at schools.
Top 5 facilities
(click here to expand list to all facilities)
Top chemicals
Chemical Toxic Hazard
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.) 103.57
Cobalt 89.04
Chromium 81.81
Ethylene oxide 62.64
Trichloroethylene 13.68
Nickel 10.57
Nickel compounds 6.33
Diisocyanates 5.57
Lead 5.41
Cadmium compounds 4.84
Chloroform 3.56
Benzene 1.48
Antimony compounds 0.86
Toluene diisocyanate (mixed isomers) 0.68
Di(2-ethylhexyl) phthalate 0.57
Formaldehyde 0.55
Zinc compounds 0.39
Polycyclic aromatic compounds 0.36
Chlorine 0.30
Copper 0.14
Hydrogen fluoride (Hydrofluoric acid) 0.10
Xylene (mixed isomers) 0.08
Dichloromethane (Methylene chloride) 0.07
Naphthalene 0.06
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 0.04
Nitric acid 0.04
Certain glycol ethers 0.04
Ethylbenzene 0.03
Lead compounds 0.03
Hydrogen cyanide 0.03
Acetonitrile 0.03
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) 0.03
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 0.02
Triethylamine 0.02
N,N-Dimethylformamide 0.02
Pyridine 0.01
Toluene 0.01
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 0.01
Cyanide compounds 0.01
Phenol 0.01
o-Xylene 0.01
Aluminum (fume or dust) 0.00
n-Hexane (Hexane) 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
Silver compounds 0.00
Methyl tert-butyl ether 0.00
Ethylene glycol 0.00
1,2,4-Trimethylbenzene 0.00
Acetophenone 0.00
Toluene-2,4-diisocyanate 0.00
Manganese 0.00
Methanol 0.00
Methyl methacrylate 0.00
Mercury 0.00
Styrene 0.00
Silver 0.00
Propylene oxide 0.00
Cyclohexane 0.00
Vinyl acetate 0.00
Benzo[g,h,i]perylene 0.00
Formic acid 0.00
3-Iodo-2-propynyl butylcarbamate 0.00
n-Butyl alcohol (1-Butanol) 0.00
Methyl isobutyl ketone 0.00
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 0.00
Cumene 0.00
Benzoyl peroxide 0.00
Lithium carbonate 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
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.) 97.34
TECOMET Charlesbank Capital Partners Cobalt 74.60
ISOMEDIX OPERATIONS INC. STERIS Ethylene oxide 62.64
GE AVIATION General Electric Chromium 36.76
TECOMET Charlesbank Capital Partners Chromium 19.02
(click here to expand list to all chemicals from facilities)
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