Wisconsin Cleanup Standards for Hydrocarbon Contaminated Groundwater

Product

Parameter/ Constituent

Lab Test Protocol & Number

Detection Level

Notification Level

Cleanup Level1

Gasoline




GRO

DNR WI Modified GRO

*

any amount

site specific

VOC(2)

EPA 5030/8021

*

any amount

compound specific

PVOC(3)

EPA 5030/8021 or 5030/8020

*

any amount

compound specific

Benzene

EPA 5030/8021 or 5030/8020

*

any amount

5µg/L

Toluene

EPA 5030/8021 or 5030/8020

*

any amount

1mg/L

Xylenes

EPA 5030/8021 or 5030/8020

*

any amount

 10mg/L

Ethylbenzene

EPA 5030/8021 or 5030/8020

*

any amount

700µg/L

MTBE(2)

EPA 8021

*

any amount

60µg/L

Trimethylbenzene(s)**

EPA 8021

*

any amount

480µg/L

Lead(2)

EPA 3020/7421

*

any amount

15µg/L

Diesel

 

GRO, VOC(2), PVOC(3)

same as above for gasoline

*

none

 

PAHs

EPA 8310

*

any amount

 Compound specific

BTEX & MTBE

same as above for gasoline

*

 

 

Waste Oil

 



PCBs

EPA 3510/8080 or 3520/8080

*

any amount

0.03µg/L

DRO,VOC(2), PVOC

same as above for gasoline

*

none

 

Lead(2)

EPA 3020/7421

*

 

15µg/L

Cd

EPA 3020/7131

*

any amount

5µg/L

Benzo(a)pyrene

EPA 8310

*

any amount

0.2µg/L

Fluorene

EPA 8310

*

any amount

400µg/L

Naphthalene

EPA 8310

*

any amount

40µg/L

Other PAHs

proposed site specific

*

 

 

Note: Wisconsin's groundwater quality standards are based on a two-tiered system and response actions vary depending on the tier level exceeded. The two tiers are the Preventive Action Limit, the more stringent, and Enforcement Standards, both per Wisconsin Administrative Code NR140.

* Test Specific.

** 1,2,4- and 1,3,5-Trimethylbenzene, combined.

(1) Wisconsin Administration, Code NR 140 Enforcement Standard (ES), is the enforceable cleanup level. The Preventive Action Level (PAL), the cleanup goal, is a lesser concentration of the ES. The PAL must also be achieved unless it is not a technically and economically feasible to do so. The PAL is 10% of the ES for carcinogens, mutagens and teratogens. The PAL is 20% of the ES for all other substances of health concern.

(2) Sample at least once.

(3) Petroleum Volatile Organic Compounds defined in analytical guidance.

Contact: Bill Phelps, Wisconsin Department of Natural Resources

Phone: (608) 267-7619

E-mail: William.Phelps@dnr.state.wi.us

Web Site: http://www.legis.state.wi.us/rsb/code/



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