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Rhode Island
Standards for Hydrocarbon Contaminated Groundwatera Groundwater
Objectives (GA and GB)b
a
These Groundwater Objectives for contaminated groundwater are applicable
to sites managed under the RIDEM Rules
and Regulations for the Investigation and Remediation of Hazardous
Material Releases (Remediation Regulations), as amended August 1996,
as well as to sites managed by the RIDEM Leaking Underground Storage Tank
(LUST) Program. b
Groundwater classified as GA is presumed to be suitable for use as
drinking water without treatment. Groundwater classified as GB is presumed
to be degraded and not suitable for use as drinking water without
treatment. c
Preferred lab analytical test methods are recommended in the Remediation
Regulations, but not specifically required. d The
reportable concentrations for groundwater are the same as the soil cleanup
levels. e The
presence of non-aqueous phase liquids (NAPL) in groundwater is considered
to exceed the RIDEM Upper Concentration Limits and removal is required.
Dissolved concentrations are determined only after NAPL removal is
completed. f
Waste oil contaminated groundwater being managed under the RIDEM RCRA
program may require that additional analytical parameters be tested for. g Site
managed under the Site Remediation Program must also meet all applicable
GA or GB Groundwater Objectives listed in the Remediation Regulations. Site Remediation Contact:
Garry C. Waldeck, Rhode Island Department of Environmental Management,
401-222-2797 UST/LUST
Contact: Paula-Jean Therrien, Rhode Island Department of
Environmental Management, 401-222-2797 Top |
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