Air Toxics at School 2022
School Info
School LEXINGTON MONTESSORI SCHOOL Street 130 PLEASANT ST City LEXINGTON State MA Number of students 139 Student % minority 58% Data Source PSS (private schools)
Air Toxics Info
Number of facilities affecting school 161 Number of chemicals affecting school 66 Toxic percentile nationwide (1=worst) 49th Toxic rank nationwide (1=worst) 63,381 Toxic percentile statewide (1=worst) 51st Toxic rank statewide (1=worst) 1,250 Toxic Hazard 684.02
This school's air toxic concentration is 0.14 times the national average at schools.
This school's air toxic concentration is 0.70 times the state average at schools.
Top 5 facilities
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Top chemicals
Chemical Toxic Hazard
Cobalt 246.62
Chromium 188.16
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.) 110.39
Trichloroethylene 36.78
Ethylene oxide 32.25
Nickel compounds 16.05
Nickel 13.74
Lead 13.38
Chloroform 10.32
Diisocyanates 5.62
Benzene 4.70
Di(2-ethylhexyl) phthalate 1.44
Zinc compounds 0.97
Formaldehyde 0.70
Polycyclic aromatic compounds 0.63
Toluene diisocyanate (mixed isomers) 0.54
Antimony compounds 0.33
Naphthalene 0.27
Ethylbenzene 0.16
Triethylamine 0.16
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 0.15
Copper 0.11
Xylene (mixed isomers) 0.10
Hydrogen fluoride (Hydrofluoric acid) 0.07
Lead compounds 0.06
Hydrogen cyanide 0.05
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 0.05
N,N-Dimethylformamide 0.04
Dichloromethane (Methylene chloride) 0.03
Certain glycol ethers 0.03
Nitric acid 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
1,2,4-Trimethylbenzene 0.01
o-Xylene 0.01
Toluene-2,4-diisocyanate 0.01
Silver compounds 0.01
Pyridine 0.00
Ethylene glycol 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
Manganese 0.00
Aluminum (fume or dust) 0.00
Methanol 0.00
Methyl tert-butyl ether 0.00
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 0.00
Methyl methacrylate 0.00
Phenol 0.00
Mercury 0.00
Benzo[g,h,i]perylene 0.00
Cyclohexane 0.00
Propylene oxide 0.00
Styrene 0.00
Vinyl acetate 0.00
Sodium nitrite 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
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 208.43
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.) 109.58
GE AVIATION General Electric Chromium 80.26
TECOMET Charlesbank Capital Partners Chromium 53.13
BOYD CORP INC. Goldman Sachs Trichloroethylene 36.78
(click here to expand list to all chemicals from facilities)
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