Air Toxics at School 2022
School Info
School Guild Elementary School
Street 195 Leyden Street
City East Boston
State MA
Number of students 251
Student % minority 83%
Type Regular School
Status 1
Level Elementary
Data Source CCD (public schools)
Air Toxics Info
Number of facilities affecting school 131
Number of chemicals affecting school 58
Toxic percentile nationwide (1=worst) 35th
Toxic rank nationwide (1=worst) 44,616
Toxic percentile statewide (1=worst) 20th
Toxic rank statewide (1=worst) 474
Toxic Hazard 1,375.48
This school's air toxic concentration is 0.28 times the national average at schools.
This school's air toxic concentration is 1.41 times the state average at schools.
Top 5 facilities
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Top chemicals
Chemical Toxic Hazard
Chromium 500.29
Cobalt 413.28
Benzene 142.23
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.) 88.47
Chloroform 61.23
Trichloroethylene 52.32
Nickel 44.23
Nickel compounds 23.26
Hydrazine 17.46
Lead 9.84
Naphthalene 9.32
Diisocyanates 6.25
Ethylbenzene 1.38
Polycyclic aromatic compounds 1.25
Zinc compounds 0.80
Di(2-ethylhexyl) phthalate 0.74
Formaldehyde 0.70
Toluene diisocyanate (mixed isomers) 0.67
Xylene (mixed isomers) 0.38
1,2,4-Trimethylbenzene 0.22
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 0.18
Lead compounds 0.16
Antimony compounds 0.16
Copper 0.13
Triethylamine 0.10
Hydrogen fluoride (Hydrofluoric acid) 0.07
Hydrogen cyanide 0.04
Certain glycol ethers 0.04
Nitric acid 0.04
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 0.04
n-Hexane (Hexane) 0.04
N,N-Dimethylformamide 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
Dichloromethane (Methylene chloride) 0.03
Toluene 0.02
Silver compounds 0.01
Toluene-2,4-diisocyanate 0.01
Ethylene glycol 0.00
Manganese 0.00
Acetonitrile 0.00
Benzo[g,h,i]perylene 0.00
o-Xylene 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
Phenol 0.00
Methanol 0.00
Cyclohexane 0.00
Mercury 0.00
Propylene oxide 0.00
Styrene 0.00
Sodium nitrite 0.00
Cumene 0.00
Methyl isobutyl ketone 0.00
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 0.00
n-Butyl alcohol (1-Butanol) 0.00
Benzoyl peroxide 0.00
N-Methyl-2-pyrrolidone 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
GE AVIATION General Electric Chromium 341.09
TECOMET Charlesbank Capital Partners Cobalt 282.28
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.) 88.47
TECOMET Charlesbank Capital Partners Chromium 71.95
GLOBAL COMPANIES LLC Global Partners LP Benzene 53.61
(click here to expand list to all chemicals from facilities)
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