Air Toxics at School 2022
School Info
| School | ST MARK'S SCHOOL |
| Street | 25 MARLBORO RD |
| City | SOUTHBOROUGH |
| State | MA |
| Number of students | 375 |
| Student % minority | 53% |
| Data Source | PSS (private schools) |
Air Toxics Info
| Number of facilities affecting school | 166 |
| Number of chemicals affecting school | 78 |
| Toxic percentile nationwide (1=worst) | 55th |
| Toxic rank nationwide (1=worst) | 70,543 |
| Toxic percentile statewide (1=worst) | 62nd |
| Toxic rank statewide (1=worst) | 1,542 |
| Toxic Hazard | 502.90 |
This school's air toxic concentration is 0.10 times the national average at schools.
This school's air toxic concentration is 0.52 times the state average at schools.
Top 5 facilities
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Top 5 chemicals
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Top 5 chemicals from facilities
| Facility | Parent Company | Chemical | Toxic Hazard |
| ISOMEDIX OPERATIONS INC. | STERIS | Ethylene oxide | 245.05 |
| 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.) | 73.47 |
| TECOMET | Charlesbank Capital Partners | Cobalt | 55.06 |
| GE AVIATION | General Electric | Chromium | 21.87 |
| TECOMET | Charlesbank Capital Partners | Chromium | 14.03 |
(click here to expand list to all chemicals from facilities)
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Political Economy Research Institute
