PERI

Air Toxics at School 2022

School Info

SchoolConcord Middle
Street835 Old Marlboro Road
CityConcord
StateMA
Number of students650
Student % minority26%
TypeRegular School
Status1
LevelMiddle School
Data SourceCCD (public schools)

Air Toxics Info

Number of facilities affecting school169
Number of chemicals affecting school76
Toxic percentile nationwide (1=worst)56th
Toxic rank nationwide (1=worst)72,044
Toxic percentile statewide (1=worst)65th
Toxic rank statewide (1=worst)1,621
Toxic Hazard468.89

This school's air toxic concentration is 0.10 times the national average at schools.

This school's air toxic concentration is 0.48 times the state average at schools.

Top 5 facilities

FacilityParent CompanyToxic Hazard
TECOMETCharlesbank Capital Partners145.78
GE AVIATIONGeneral Electric75.93
CERTAINTEED LLCSaint-Gobain69.95
ISOMEDIX OPERATIONS INC.STERIS43.65
PROTO LABS INC.PROTO LABS INC22.37

(click here to expand list to all facilities)

Top chemicals

ChemicalToxic Hazard
Chromium154.53
Cobalt136.17
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.) 74.79
Ethylene oxide43.65
Trichloroethylene17.81
Nickel10.81
Nickel compounds7.98
Lead 7.58
Chloroform4.90
Diisocyanates4.14
Benzene1.95
Di(2-ethylhexyl) phthalate0.75
Antimony compounds0.62
Zinc compounds0.54
Polycyclic aromatic compounds0.42
Toluene diisocyanate (mixed isomers)0.41
Formaldehyde0.39
Maleic anhydride0.38
Dicyclopentadiene0.16
Naphthalene0.09
Hydrogen fluoride (Hydrofluoric acid)0.08
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)0.08
Triethylamine0.06
Copper0.06
o-Xylene0.05
Ethylbenzene0.05
Hydrogen cyanide0.05
Xylene (mixed isomers)0.05
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)0.04
Acrylonitrile0.04
N,N-Dimethylformamide0.04
Peracetic acid0.03
Nitric acid0.03
Dichloromethane (Methylene chloride)0.03
Lead compounds0.03
Certain glycol ethers0.02
Toluene0.02
Acetonitrile0.01
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
Pyridine0.01
n-Hexane (Hexane)0.01
Ethylene glycol0.00
Toluene-2,4-diisocyanate0.00
Silver compounds0.00
1,2,4-Trimethylbenzene0.00
Butyl acrylate0.00
Aluminum (fume or dust)0.00
Methyl tert-butyl ether0.00
Barium compounds (except for barium sulfate (CAS No. 7727-43-7))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
Phenol0.00
Manganese0.00
Phthalic anhydride0.00
Methanol0.00
Methyl methacrylate0.00
Styrene0.00
Mercury0.00
Acrylic acid0.00
Ethyl acrylate0.00
Benzo[g,h,i]perylene0.00
Cyclohexane0.00
Vinyl acetate0.00
3-Iodo-2-propynyl butylcarbamate0.00
Formic acid0.00
n-Butyl alcohol (1-Butanol)0.00
Sodium nitrite0.00
Methyl isobutyl ketone0.00
Nitrate compounds (water dissociable; reportable only when in aqueous solution)0.00
Cumene0.00
Cyanide compounds0.00
Acetophenone0.00
Benzoyl peroxide0.00
Lithium carbonate0.00
N-Methyl-2-pyrrolidone0.00
Tetrabromobisphenol A0.00
Nonylphenol Ethoxylates0.00

(click here to shrink list to only top 5 chemicals)

Top 5 chemicals from facilities

FacilityParent CompanyChemicalToxic Hazard
TECOMETCharlesbank Capital PartnersCobalt115.70
CERTAINTEED LLCSaint-GobainChromium 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.) 69.93
GE AVIATIONGeneral ElectricChromium61.21
ISOMEDIX OPERATIONS INC.STERISEthylene oxide43.65
TECOMETCharlesbank Capital PartnersChromium29.49

(click here to expand list to all chemicals from facilities)

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