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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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