Underground Storage Tank Typical Cleanup Levels

The following cleanup levels are typically used if there are no sensitive environmental receptors such as public water wells, geologic areas, vapors in a home, etc.

Substance in Tank

Media

Typical Cleanup Levels

Gasoline

Soil

Water

110 mg/kg BTEX*

18 mg/L BTEX*

Diesel, waste oil, or kerosene

Soil

Water

PAH** See table below(for both soil and water)

*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

Constituent

Soil Level(mg/kg)

Groundwater Level(mg/L)

Acenaphthene

>28

2.2

Acenaphthylene

>9.5

0.15

Anthracene

>0.66

>0.045

Benzo (a) Anthracene

1.0

0.00012

Benzo (b) Fluoranthene

0.42

0.00012

Benzo (k) Fluoranthene

>2.4

0.0012

Benzo (g, h, i  ) Perylene

>1.1

>0.0007

Benzo (a) Pyrene

1.3

0.0002

Chrysene

0.26

0.0002

Dibenzo (a,h) Anthracene

0.056

0.00001

Fluoranthene

>7.9

>0.21

Fluorene

>12

1.5

Indeno (1,2,3,c,d) Pyrene

26.0

0.00012

Naphthalene

9.8

0.73

Phenanthrene

>23

1.1

Pyrene

>6.1

0.16