Air Toxics at School 2022
School Info
School Tyngsborough Middle
Street 50 Norris Rd
City Tyngsborough
State MA
Number of students 400
Student % minority 27%
Type Regular School
Status 1
Level Middle School
Data Source CCD (public schools)
Air Toxics Info
Number of facilities affecting school 142
Number of chemicals affecting school 65
Toxic percentile nationwide (1=worst) 61st
Toxic rank nationwide (1=worst) 79,471
Toxic percentile statewide (1=worst) 81st
Toxic rank statewide (1=worst) 2,030
Toxic Hazard 328.04
This school's air toxic concentration is 0.07 times the national average at schools.
This school's air toxic concentration is 0.34 times the state average at schools.
Top 5 facilities
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Top chemicals
Chemical Toxic Hazard
Chromium 183.06
Cobalt 68.10
Hydrazine 27.71
Ethylene oxide 11.50
Diisocyanates 9.22
Nickel 7.55
Trichloroethylene 6.33
Lead 5.01
Nickel compounds 2.91
Formaldehyde 1.17
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.) 1.12
Chloroform 1.01
Benzene 0.89
Antimony compounds 0.44
Zinc compounds 0.33
Maleic anhydride 0.32
Toluene diisocyanate (mixed isomers) 0.27
Polycyclic aromatic compounds 0.19
Dicyclopentadiene 0.17
Di(2-ethylhexyl) phthalate 0.14
N,N-Dimethylformamide 0.09
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 0.06
Naphthalene 0.04
Lead compounds 0.04
Acrylonitrile 0.04
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 0.04
Copper 0.04
Peracetic acid 0.03
Hydrogen cyanide 0.03
Dichloromethane (Methylene chloride) 0.03
Ethylbenzene 0.03
Nitric acid 0.02
Toluene 0.02
Certain glycol ethers 0.02
n-Hexane (Hexane) 0.01
Triethylamine 0.01
Xylene (mixed isomers) 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
Hydrogen fluoride (Hydrofluoric acid) 0.01
Ethylene glycol 0.00
Butyl acrylate 0.00
o-Xylene 0.00
Silver compounds 0.00
Methyl tert-butyl ether 0.00
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 0.00
1,2,4-Trimethylbenzene 0.00
Phthalic anhydride 0.00
Toluene-2,4-diisocyanate 0.00
Manganese 0.00
Methanol 0.00
Acetonitrile 0.00
Methyl methacrylate 0.00
Styrene 0.00
n-Butyl alcohol (1-Butanol) 0.00
Acrylic acid 0.00
Benzo[g,h,i]perylene 0.00
Ethyl acrylate 0.00
Cyclohexane 0.00
Sodium nitrite 0.00
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 0.00
Methyl isobutyl ketone 0.00
Acetophenone 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
PROTO LABS INC. PROTO LABS INC Chromium 60.66
PROTO LABS INC PROTO LABS INC Chromium 60.66
GE AVIATION General Electric Chromium 43.23
TECOMET Charlesbank Capital Partners Cobalt 39.00
UNION SPECIALTIES INC UNION SPECIALTIES INC Hydrazine 27.71
(click here to expand list to all chemicals from facilities)
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