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Air Toxics at School 2022

School Info

SchoolRobert E. Melican Middle School
Street145 Lincoln Street
CityNorthborough
StateMA
Number of students537
Student % minority28%
TypeRegular School
Status1
LevelMiddle School
Data SourceCCD (public schools)

Air Toxics Info

Number of facilities affecting school128
Number of chemicals affecting school72
Toxic percentile nationwide (1=worst)43rd
Toxic rank nationwide (1=worst)55,255
Toxic percentile statewide (1=worst)30th
Toxic rank statewide (1=worst)743
Toxic Hazard921.96

This school's air toxic concentration is 0.19 times the national average at schools.

This school's air toxic concentration is 0.94 times the state average at schools.

Top 5 facilities

FacilityParent CompanyToxic Hazard
ISOMEDIX OPERATIONS INC.STERIS685.49
CERTAINTEED LLCSaint-Gobain60.50
TECOMETCharlesbank Capital Partners57.63
CHROMA COLOR CORPArsenal Capital Partners21.94
AVIENT COLORANTS USA LLC - HOLDEN FACILITYAvient Corporation17.53

(click here to expand list to all facilities)

Top 5 chemicals

ChemicalToxic Hazard
Ethylene oxide685.49
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.) 102.19
Chromium47.20
Cobalt45.74
Nickel8.02

(click here to expand list to all chemicals)

Top 5 chemicals from facilities

FacilityParent CompanyChemicalToxic Hazard
ISOMEDIX OPERATIONS INC.STERISEthylene oxide685.49
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.) 60.49
TECOMETCharlesbank Capital PartnersCobalt45.74
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.) 21.94
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.) 17.53

(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