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US EPA Guidance levels for airborne PCBs in schools
| Public Health Levels of PCBs in School Indoor Air (ng/m3) | ||||||
|---|---|---|---|---|---|---|
| Age | Age | Age | Age | Age | Age | Age |
| 1-<2 yr | 2-<3 yr | 3-<6 yr | 6-<12 yr | 12-<15 yr | 15-<19 yr | 19+ yr |
| Elementary School |
Middle School |
High School |
Adult | |||
| 70 | 70 | 100 | 300 | 450 | 600 | 450 |
