Underground Storage Tank Typical Cleanup Levels

The following BTEX cleanup levels are typically used if there are no sensitive environmental receptors such as public water wells, geologic areas, vapors in a home, etc.  However, the PAH cleanup levels are based on distances to a sensitive receptor.

Substance in Tank

Media

Typical Cleanup Levels

Gasoline

Water

18 ppm* total BTEX**

Diesel, waste oil, or kerosene

Water

PAH*** See table below

*ppm= parts per million

**BTEX = Benzene, Toluene, Ethylbenzene, and Xylenes (EPA 8021B or 8260B)

***PAH = Polynuclear Aromatic Hydrocarbons (EPA 8100, 8270C, or 8310)

Cleanup Levels for Polynuclear Aromatic Hydrocarbons

Groundwater level ppm*

Constituent

0 ft

50 ft

Acenaphthene

2.2

****

Acenaphthylene

0.15

****

Anthracene

****

****

Benzo (a) anthracene

0.00012

****

Benzo (a) pyrene

0.000012

****

Benzo (b) fluoranthene

0.00012

****

Benzo(g, h, I) perylene

****

****

Benzo (k) fluoranthene

0.0012

****

Chrysene

0.000074

****

Dibenzo (a,h) anthracene

0.000012

****

Fluoranthene

****

****

Fluorene

1.5

****

Indeno (1,2,3-cd) pyrene

0.0012

****

Naphthalene

0.73

****

Phenanthrene

1.1

****

Pyrene

****

****