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Air Toxics at School 2022

School Info

SchoolMill Pond School
Street6 Olde Hickory Path
CityWestborough
StateMA
Number of students865
Student % minority55%
TypeRegular School
Status1
LevelMiddle School
Data SourceCCD (public schools)

Air Toxics Info

Number of facilities affecting school119
Number of chemicals affecting school63
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 Hazard280.69

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

FacilityParent CompanyToxic Hazard
ISOMEDIX OPERATIONS INC.STERIS135.91
CERTAINTEED LLCSaint-Gobain51.29
CHROMA COLOR CORPArsenal Capital Partners15.21
AVIENT COLORANTS USA LLC - HOLDEN FACILITYAvient Corporation14.11
KOMTEK FORGE LLCCrawford United12.26

(click here to expand list to all facilities)

Top 5 chemicals

ChemicalToxic Hazard
Ethylene oxide135.91
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
Chromium35.31
Nickel10.46
Cadmium compounds3.81

(click here to expand list to all chemicals)

Top 5 chemicals from facilities

FacilityParent CompanyChemicalToxic Hazard
ISOMEDIX OPERATIONS INC.STERISEthylene oxide135.91
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.) 51.28
CHROMA COLOR CORPArsenal Capital PartnersChromium 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 FACILITYAvient CorporationChromium 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 INCValmet OyjChromium11.78

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

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Political Economy Research Institute
Gordon Hall, 418 N. Pleasant St., Suite A, Amherst, MA 01002
Tel: 413-545-6355    Fax: 413-577-0261    Contact: peri@peri.umass.edu
Toxic 100 search hosted by Grassroots Connection
Last Updated:  
2025