Air Toxics at School 2022
School Info
School Hajjar Elementary Street 59 Rogers Street City Billerica State MA Number of students 375 Student % minority 29% Type Regular School Status 1 Level Elementary Data Source CCD (public schools)
Air Toxics Info
Number of facilities affecting school 149 Number of chemicals affecting school 67 Toxic percentile nationwide (1=worst) 46th Toxic rank nationwide (1=worst) 58,937 Toxic percentile statewide (1=worst) 41st Toxic rank statewide (1=worst) 1,010 Toxic Hazard 806.53
This school's air toxic concentration is 0.17 times the national average at schools.
This school's air toxic concentration is 0.83 times the state average at schools.
Top 5 facilities
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Top chemicals
Chemical Toxic Hazard
Lead 306.41
Cobalt 157.89
Chromium 152.79
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.) 61.22
Hydrazine 36.84
Zinc compounds 21.45
Ethylene oxide 17.60
Trichloroethylene 16.57
Nickel 11.38
Nickel compounds 7.32
Chloroform 5.21
Diisocyanates 4.39
Benzene 2.09
Polycyclic aromatic compounds 1.25
Copper 0.93
Di(2-ethylhexyl) phthalate 0.64
Hydrogen cyanide 0.58
Formaldehyde 0.29
Antimony compounds 0.29
Toluene diisocyanate (mixed isomers) 0.27
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 0.22
N,N-Dimethylformamide 0.20
Triethylamine 0.11
Naphthalene 0.10
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 0.09
Toluene 0.07
Ethylbenzene 0.05
Lead compounds 0.05
Xylene (mixed isomers) 0.04
Acrylonitrile 0.03
Peracetic acid 0.03
n-Hexane (Hexane) 0.02
Dichloromethane (Methylene chloride) 0.02
Ethylene glycol 0.02
Hydrogen fluoride (Hydrofluoric acid) 0.02
Nitric acid 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
o-Xylene 0.01
Toluene-2,4-diisocyanate 0.00
Certain glycol ethers 0.00
1,2,4-Trimethylbenzene 0.00
Silver compounds 0.00
Butyl acrylate 0.00
Methanol 0.00
Manganese 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
Acetonitrile 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
Benzo[g,h,i]perylene 0.00
Mercury 0.00
Cyclohexane 0.00
Acrylic acid 0.00
Ethyl acrylate 0.00
Sodium nitrite 0.00
Methyl isobutyl ketone 0.00
n-Butyl alcohol (1-Butanol) 0.00
Phenol 0.00
Formic acid 0.00
Acetophenone 0.00
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 0.00
Cumene 0.00
Styrene 0.00
Benzoyl peroxide 0.00
N-Methyl-2-pyrrolidone 0.00
Tetrabromobisphenol A 0.00
(click here to shrink list to only top 5 chemicals)
Top 5 chemicals from facilities
Facility Parent Company Chemical Toxic Hazard
PACE INDUSTRIES - CAMBRIDGE DIV Pace Industries Lead 306.02
TECOMET Charlesbank Capital Partners Cobalt 124.01
GE AVIATION General Electric Chromium 70.09
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.) 60.45
UNION SPECIALTIES INC UNION SPECIALTIES INC Hydrazine 36.84
(click here to expand list to all chemicals from facilities)
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