IRON cleanup levels in Pennsylvania

These are the Pennsylvania Department of Environmental Protection's published values for IRON, from its Statewide Health Standard tables. DEP's page says the tables present the standards published November 20, 2021. Each value is shown as the agency prints it, with the same number written out beside it where that reads differently.

Pennsylvania: Statewide Health Standard Medium-Specific Concentrations

Table 2: Secondary Contaminants

DEP's file dated November 15, 2023.

Secondary Contaminants

Column	Value
SMCL (µg/L)	300

Footnotes to Table 2, as the agency prints them

All concentrations in ug/L (except asbestos)

M = Maximum Contaminant Level

H = Lifetime Health Advisory Level

SMCL = Secondary Maximum Contaminant Level

G = Ingestion

N = Inhalation

Table 4a: Medium-Specific Concentrations (MSCs) for Inorganic Regulated Substances in Soil: A. Direct Contact Numeric Values

DEP's file dated November 15, 2023.

Residential MSC

Column	Value	Written out	Code
0-15 feet (mg/kg)	150000	150,000	G

Nonresidential MSCs

Column	Value	Written out	Code
Surface Soil, 0-2 feet (mg/kg)	190000	190,000	C
Subsurface Soil, 2-15 feet (mg/kg)	190000	190,000	C

Footnotes to Table 4a, as the agency prints them

All concentrations in mg/kg

G - Ingestion

N - Inhalation

C - Cap

U - UBK Model

S - SEGH Model

The agency's current table governs. This page is a reference copy and not a cleanup decision. Check the agency's page for a newer table before relying on a value.

Source

• Pennsylvania Department of Environmental Protection, Statewide Health Standard Medium-Specific Concentrations.
• Table 2: DEP's file dated November 15, 2023, read October 5, 2026.
• Table 4a: DEP's file dated November 15, 2023, read October 5, 2026.