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Air Toxics at School 2022

School Info

SchoolPage Hilltop Elementary School
Street115 Washington Street
CityAyer
StateMA
Number of students532
Student % minority33%
TypeRegular School
Status1
LevelElementary
Data SourceCCD (public schools)

Air Toxics Info

Number of facilities affecting school136
Number of chemicals affecting school70
Toxic percentile nationwide (1=worst)64th
Toxic rank nationwide (1=worst)83,146
Toxic percentile statewide (1=worst)85th
Toxic rank statewide (1=worst)2,114
Toxic Hazard263.32

This school's air toxic concentration is 0.05 times the national average at schools.

This school's air toxic concentration is 0.27 times the state average at schools.

Top 5 facilities

FacilityParent CompanyToxic Hazard
TECOMETCharlesbank Capital Partners68.36
PROTO LABS INC.PROTO LABS INC50.10
PROTO LABS INCPROTO LABS INC50.10
HITCHINER COUNTERGRAVITY CAST OPERATIONS (VCO/DCO/MCT)HITCHINER MANUFACTURING CO INC40.99
ISOMEDIX OPERATIONS INC.STERIS10.44

(click here to expand list to all facilities)

Top 5 chemicals

ChemicalToxic Hazard
Chromium121.28
Cobalt91.86
Ethylene oxide10.44
Trichloroethylene8.85
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.) 6.95

(click here to expand list to all chemicals)

Top 5 chemicals from facilities

FacilityParent CompanyChemicalToxic Hazard
TECOMETCharlesbank Capital PartnersCobalt54.25
PROTO LABS INC.PROTO LABS INCChromium50.10
PROTO LABS INCPROTO LABS INCChromium50.10
HITCHINER COUNTERGRAVITY CAST OPERATIONS (VCO/DCO/MCT)HITCHINER MANUFACTURING CO INCCobalt34.28
TECOMETCharlesbank Capital PartnersChromium13.83

(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