Screening Levels
N/A
Maximum Contaminant Level
The Maximum Contaminant Level (MCL) is the highest level of a contaminant that is allowed in drinking water.
MCL: 7 MFL (million fibers per liter)
National Primary Drinking Water Regulations for “Asbestos” (Last Updated by the EPA in May 2009)
Units
| Abbreviation | Meaning | Notes |
|---|---|---|
| MFL | amount of chemical (millions of fibers) per volume of water (liters, L) | Asbestos is the name given to six minerals with long, thin fibers |
For more information about these units and their conversion factors, visit https://cfpub.epa.gov/ncer_abstracts/index.cfm/fuseaction/display.files/fileid/14285.