Air Toxics at School 2022
School Info
School Masconomet Regional High School
Street 20 Endicott Rd
City Boxford
State MA
Number of students 990
Student % minority 10%
Type Regular School
Status 1
Level High School
Data Source CCD (public schools)
Air Toxics Info
Number of facilities affecting school 114
Number of chemicals affecting school 54
Toxic percentile nationwide (1=worst) 42nd
Toxic rank nationwide (1=worst) 54,273
Toxic percentile statewide (1=worst) 28th
Toxic rank statewide (1=worst) 694
Toxic Hazard 957.64
This school's air toxic concentration is 0.20 times the national average at schools.
This school's air toxic concentration is 0.98 times the state average at schools.
Top 5 facilities
(click here to expand list to all facilities)
Top chemicals
Chemical Toxic Hazard
Cobalt 409.60
Chromium 295.07
Hydrazine 102.73
Trichloroethylene 54.49
Nickel compounds 24.86
Lead 20.27
Nickel 17.18
Chloroform 13.12
Diisocyanates 10.89
Benzene 4.64
Zinc compounds 1.45
Di(2-ethylhexyl) phthalate 0.86
Polycyclic aromatic compounds 0.61
Naphthalene 0.25
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 0.22
Toluene diisocyanate (mixed isomers) 0.22
Triethylamine 0.16
Copper 0.15
Ethylbenzene 0.14
Formaldehyde 0.11
Hydrogen cyanide 0.09
Antimony compounds 0.08
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 0.07
Lead compounds 0.05
Hydrogen fluoride (Hydrofluoric acid) 0.05
Xylene (mixed isomers) 0.05
N,N-Dimethylformamide 0.05
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
Toluene 0.03
n-Hexane (Hexane) 0.03
Nitric acid 0.02
Dichloromethane (Methylene chloride) 0.01
Silver compounds 0.01
Toluene-2,4-diisocyanate 0.01
Ethylene glycol 0.01
1,2,4-Trimethylbenzene 0.01
Manganese 0.00
Acetonitrile 0.00
Methyl methacrylate 0.00
Certain glycol ethers 0.00
o-Xylene 0.00
Cyclohexane 0.00
Methanol 0.00
Benzo[g,h,i]perylene 0.00
Sodium nitrite 0.00
Methyl isobutyl ketone 0.00
n-Butyl alcohol (1-Butanol) 0.00
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 0.00
Cumene 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
Formic acid 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
TECOMET Charlesbank Capital Partners Cobalt 343.16
GE AVIATION General Electric Chromium 119.27
UNION SPECIALTIES INC UNION SPECIALTIES INC Hydrazine 102.73
TECOMET Charlesbank Capital Partners Chromium 87.47
BOYD CORP INC. Goldman Sachs Trichloroethylene 54.49
(click here to expand list to all chemicals from facilities)
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