|
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
Note:
Revised Method 1 groundwater standards for MTBE are: CAS No. 1634-04-4 and
Cleanup Level: 13ppb.
For
more information, check website:
http://www.des.state.nh.us/orcb/doclist/rcmp.pdf
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