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Statewide Health Standards

Revised MCLs and HALs

Revisions to these EPA standards affect both the groundwater MSC for a substance as well as the soil-to-groundwater numeric value, which is based on the groundwater MSC and is used to calculate the statewide health MSC for soils. The following revision to the 2012 edition of the Drinking Water Standards and Health Advisories, (EPA Publication 822-S-12-001) impacts the MSCs:

Bromobenzene               New HAL


These tables present the revised statewide health standards that were published August 27, 2016 in the Pennsylvania Bulletin. These standards became effective on that date. Any final report or remedial action completion report using the statewide health standard that is submitted on or after August 27, 2016 must demonstrate attainment of the standards in these tables in order to receive the liability relief afforded by Act 2.
 

Number Please! (Excel) is a tool to be used to quickly find all information available on the SHS MSCs that apply to a single regulated substance.

Medium Specific Concentrations

On August 27, 2016, revisions to the regulations found at 25 Pa. Code Chapter 250, Administration of the Land Recycling Program (Act 2 cleanup standards), became effective. The MSCs have been updated to incorporate new toxicological information on about 390 chemical substances.

Table 1 - Medium Specific Concentrations (MSCs) for Organic Regulated Substances in Groundwater
Table 2 - MSCs for Inorganic Substances in Groundwater
Table 3a - MSCs for Organic Regulated Substances in Soil: Direct Contact Values
Table 3b - MSCs for Organic Regulated Substances in Soil: Soil-to-Groundwater Values 
Table 4a - MSCs for Inorganic Regulated Substances in Soil: Direct Contact Values
Table 4b - MSCs for Inorganic Regulated Substances in Soil: Soil-to-Groundwater Values
Table 5a - Physical and Toxicological Properties: Organic Regulated Substances
Table 5b - Physical and Toxicological Properties: Inorganic Regulated Substances
Table 6 - Threshold of Regulation Compounds
 

 

Act 2 designated PQLs now available as Excel Spreadsheets