Laserfiche WebLink
Ripona Market <br /> Subsurface Sail &Groundwater Investigation <br /> The laboratory samples will not have headspace and will immediately be sealed in <br /> their liners using plastic caps The remaining sample will be removed from its liner <br /> to be used as an aide to the on-site geologist in logging the material at that depth <br /> Soil samples will be collected at five foot intervals for geological interpretation and <br /> laboratory analysis (2 laboratory soil samples per boring) All soil samples will be <br /> delivered, under chain of custody, to an analytical laboratory licensed by the State <br /> of California for hazardous materials work The samples shall be analyzed for Total <br /> Petroleum Hydrocarbons (gasoline) by 5030 Luft BTX&E (Benzene, Toluene, <br /> Xylene, and Ethyl Benzene) and MTBE by method 8020 The minimum detection <br /> limits used for each analyte will be 005 mg/kg for BTX&E, 0 01 mg/Kg for the <br /> Oxygenated compounds (0 1 mg/Kg for tertiary-Butanol), and 1 0 mg/Kg for <br /> gasoline Analyses are to be conducted by GeoAnalyttcal Laboratories, Inc , in <br /> Modesto, California <br /> All rinse water will be removed by the driller, V&W Drilling, Inc Drill cuttings <br /> are not produced by this method <br /> 23 Groundwater Sampling <br /> A travel blank, provided by the laboratory, will accompany the sample vials from <br /> the time they are picked up from the lab to the time they are delivered to the lab <br /> This travel blank will be listed on the Chain of Custody, but will be analyzed only if <br /> all samples contained the same contaminants <br /> All sampling equipment, including the stainless steel Geoprobe' screen point, used <br /> by sampling personnel, will be disassembled and steam cleaned prior to <br /> commencement of sampling These procedures will also be followed between each <br /> boring <br /> The groundwater samples will be analyzed or extracted within 14 days according to <br /> their EPA methods The samples shall be analyzed for Total Petroleum <br /> Hydrocarbons (gasoline), BTX&E (Benzene, Toluene, Xylene, and Ethyl Benzene) <br /> and MTBE by EPA Method 8020 The minimum detection limits used for each <br /> analyte will be 0005 mgll for BTX&E, 0 001 mg/1 for the Oxygenated compounds <br /> (0 010 for tertiary-Butanol), and 0 05 mg/l for gasoline Analysis will be conducted <br /> by GeoAnalytical Laboratories, Inc in Modesto, California <br /> Prepared By <br /> �r <br /> c <br /> (M15F <br /> Michael"Idloberdanz, <br /> is California Registered Environmental Assessor #02157 `^ <br /> California Registered Environmental Health Specialist #4783 <br /> 3 <br />