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' Work Plan Page 20 <br /> Former Manna Pro Site <br />' Project No 207 3 <br /> August 16, 1999 <br />' The detection limits for those compounds are as follows <br />' <br /> Compound TPH-Gasoline Benzene Toluene Ethyl Benzene Xylene <br /> Detection Limit 50 03 03 03 03 <br /> Units I gg/L gg/L gg/L gg/L gg/L <br />' 6.5.2 Monitoring Well <br />' The groundwater samples collected will be delivered to a state certified laboratory for <br /> analyses Detection limits for BTEX, Gasoline analyses are as set forth above <br />' Monitoring well water samples will also be analyzed for diesel range Total Extractable <br /> Petroleum Hydrocarbons Select samples will also be screened for the presence of <br /> Oxygenated Hydrocarbons by EPA method 8260 and 1,2 DCA by EPA method 601 The <br />' detection limits are as follows <br /> Compound TEPH-D TBA MTBE DIPE ETBE TAME 1,2 DCA <br />' Detection Limit 50 20 50 50 50 50 50 <br /> Units I gg/L gg/L gg/L pg/L tig/L gg/L µg/L <br /> Groundwater samples from select wells will also be analyzed for geotechnical parameters <br /> which are indicative of bacterial conditions and associated natural attenuation These <br /> analyses include <br /> Compound Alkalinity Ferrous Iron Nitrate as N Sulfate <br /> Detection Limit 0 10 005 001 001 <br /> Units I mg/L mg/L mg/L mg/L <br /> 6.6 Air Sample Analysis <br /> The air samples collected to monitor the vapor extraction pilot test will be analyzed on by <br /> a state certified laboratory <br /> 0 Total Petroleum Hydrocarbons as Gasoline (TPH-Gasoline) by EPA method 8015m, <br /> and <br /> • Benzene, Toluene, Ethylbenzene, and Total Xylenes (BTEX) by abbreviated EPA <br /> 8020 <br /> The detection limits for those compounds are as follows <br /> Compound TPH-Gasohne Benzene Toluene Ethyl Benzene Xylene <br /> Detection LimitII <br /> 50 03 03 03 03 <br /> Units gg/L gg/L gg/L gg/L gg/L <br /> 2937 Veneman Ave,#13240 Geo-Phase Environmental Inc Phone(209)569-0293 <br /> Modesto, CA 95356 Fax(209) 569-0295 <br />