Product

Parameter/ Constituent

Lab Test Protocol & Number

Detection Level (µg/L)

Notification Level

Cleanup Level

Gasoline Range Organics--GRO

Benzene

EPA 8021B or 8260B

1

*

5µg/L

Toluene

EPA 8021B or 8260B

1

*

1000µg/L

Ethylbenzene

EPA 8021B or 8260B

1

*

700µg/L

Xylenes

EPA 8021B or 8260B

3

*

1000µg/L

GRO without benzene

NWTPH-Gx

250

*

1000µg/L

GRO with benzene

NWTPH-Gx

250

*

800 µg/L

Diesel Range Organics--DRO

DRO

NWTPH-Dx

250

*

500µg/L

Heavy oil

NWTPH-Dx

500

*

500µg/L

Electrical insulating mineral oil (non-PCB)

NWTPH-Dx

500

*

1000 µg/L

Other (depending on source and age of product)

Naphthalenes

EPA 8270

1

*

160 µg/L

MTBE

EPA 8260B

1

*

20 µg/L

Total Lead

EPA 6010, 7420, or  7421

0.2

*

15µg/L

Total Metals

EPA 6000 and 7000 series

**

*

metal specific

PCBs

EPA 8082

0.1

*

0.1µg/L

Volatile Organics

EPA 8021,8260B

**

*

analyte specific

PAHs (carcinogenic)

EPA 8100, 8270, or 8310

0.02

*

0.1µg/L***