|
New Hampshire Cleanup
Standards for Hydrocarbon Contaminated Groundwater
|
Product
|
Parameter/
Constituent
|
Lab
Test Protocol & Number
|
Detection
Level
|
Notification
Level
|
Action
Level
|
Cleanup
Level
|
|
Gasoline
|
Benzene
|
*
|
test
specific
|
same
as Cleanup Level
|
site
specific
|
5µg/L
|
|
Ethylbenzene
|
*
|
test
specific
|
same
as Cleanup Level
|
site
specific
|
700µg/L
|
|
Toluene
|
*
|
test
specific
|
same
as Cleanup Level
|
site
specific
|
1000µg/L
|
|
Xylenes
|
*
|
test
specific
|
same
as Cleanup Level
|
site
specific
|
10,000µg/L
|
|
MTBE
|
*
|
test
specific
|
same
as Cleanup Level
|
site
specific
|
70µg/L
|
|
No's
2,4,5,6 Fuel Oil and Diesel
|
Benzene
|
**
|
test
specific
|
same
as Cleanup Level
|
site
specific
|
5µg/L
|
|
Ethylbenzene
|
**
|
test
specific
|
same
as Cleanup Level
|
site
specific
|
700µg/L
|
|
Toluene
|
**
|
test
specific
|
same
as Cleanup Level
|
site
specific
|
1000µg/L
|
|
Xylenes
|
**
|
test
specific
|
same
as Cleanup Level
|
site
specific
|
10,000µg/L
|
|
MTBE
|
**
|
test
specific
|
same
as Cleanup Level
|
site
specific
|
70µg/L
|
|
Benzo(a)pyrene
|
**
|
test
specific
|
same
as Cleanup Level
|
site
specific
|
0.2µg/L
|
|
Naphthalene
|
**
|
test
specific
|
same
as Cleanup Level
|
site
specific
|
20µg/L
|
* Initially EPA 8260 plus MTBE; all other samples
EPA 8020 plus MTBE, or 8240 plus MTBE, or 8260 plus MTBE.
** Initially EPA 8260 and 8270/8310; all other
samples EPA 8020, 8240, 8260 or 8270/8310.
Contact:
Gary Lynn, P. E., glynn@des.state.nh.us,
New Hampshire Department of Environmental Services, 603-271-6778
Web
site: http://www.state.nh.us/des/orcb
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