Screening Levels
The Screening Levels are chemical-specific concentrations for individual contaminants in air, drinking water and soil that may warrant further investigation or site cleanup.
| Resident Soil | Industrial Soil | Resident Air | Industrial Air | Tapwater |
| 71 mg/kg | 980 mg/kg | N/A | N/A | N/A |
Maximum Contaminant Level
N/A
Units
| Abbreviation | Meaning | Notes |
|---|---|---|
| mg/kg | mass of chemical (milligrams, mg) per mass of soil (kilogram, kg) | Equivalent to parts per million (ppm) |
For more information about these units and their conversion factors, visit https://cfpub.epa.gov/ncer_abstracts/index.cfm/fuseaction/display.files/fileid/14285.