PERI: Air Toxics at School Index

Air Toxics at School 2022

School Info

School	Mill Pond School
Street	6 Olde Hickory Path
City	Westborough
State	MA
Number of students	865
Student % minority	55%
Type	Regular School
Status	1
Level	Middle School
Data Source	CCD (public schools)

Air Toxics Info

Number of facilities affecting school	119
Number of chemicals affecting school	63
Toxic percentile nationwide (1=worst)	64th
Toxic rank nationwide (1=worst)	82,147
Toxic percentile statewide (1=worst)	84th
Toxic rank statewide (1=worst)	2,089
Toxic Hazard	280.69

This school's air toxic concentration is 0.06 times the national average at schools.

This school's air toxic concentration is 0.29 times the state average at schools.

Top 5 facilities

Facility	Parent Company	Toxic Hazard
ISOMEDIX OPERATIONS INC.	STERIS	135.91
CERTAINTEED LLC	Saint-Gobain	51.29
CHROMA COLOR CORP	Arsenal Capital Partners	15.21
AVIENT COLORANTS USA LLC - HOLDEN FACILITY	Avient Corporation	14.11
KOMTEK FORGE LLC	Crawford United	12.26

(click here to expand list to all facilities)

Top chemicals

Chemical	Toxic Hazard
Ethylene oxide	135.91
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.)	83.05
Chromium	35.31
Nickel	10.46
Cadmium compounds	3.81
Diisocyanates	3.64
Maleic anhydride	3.17
Antimony compounds	1.71
Dicyclopentadiene	1.20
Toluene diisocyanate (mixed isomers)	0.41
Acrylonitrile	0.39
Peracetic acid	0.30
Di(2-ethylhexyl) phthalate	0.25
Chlorine	0.24
Hydrogen fluoride (Hydrofluoric acid)	0.13
Polycyclic aromatic compounds	0.12
Dichloromethane (Methylene chloride)	0.10
Nitric acid	0.08
Formaldehyde	0.06
Nickel compounds	0.06
Lead compounds	0.03
Acetonitrile	0.03
Butyl acrylate	0.03
Copper	0.02
Lead	0.02
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)	0.02
Phenol	0.02
Certain glycol ethers	0.02
Pyridine	0.02
Barium compounds (except for barium sulfate (CAS No. 7727-43-7))	0.01
Phthalic anhydride	0.01
Zinc compounds	0.01
Methyl tert-butyl ether	0.01
Cyanide compounds	0.01
Xylene (mixed isomers)	0.01
Aluminum (fume or dust)	0.00
Ethylene glycol	0.00
Styrene	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
Methanol	0.00
o-Xylene	0.00
N,N-Dimethylformamide	0.00
Vinyl acetate	0.00
Acetophenone	0.00
Acrylic acid	0.00
Silver compounds	0.00
Toluene	0.00
Ethyl acrylate	0.00
Methyl methacrylate	0.00
1,2,4-Trimethylbenzene	0.00
Formic acid	0.00
Mercury	0.00
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	0.00
n-Hexane (Hexane)	0.00
Silver	0.00
3-Iodo-2-propynyl butylcarbamate	0.00
Benzo[g,h,i]perylene	0.00
Methyl isobutyl ketone	0.00
Nitrate compounds (water dissociable; reportable only when in aqueous solution)	0.00
Lithium carbonate	0.00
N-Methyl-2-pyrrolidone	0.00
MIXTURE	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
ISOMEDIX OPERATIONS INC.	STERIS	Ethylene oxide	135.91
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.)	51.28
CHROMA COLOR CORP	Arsenal Capital Partners	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.)	15.21
AVIENT COLORANTS USA LLC - HOLDEN FACILITY	Avient Corporation	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.)	14.11
METSO AUTOMATION USA INC	Valmet Oyj	Chromium	11.78

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

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