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' WORK PLAN-Monitor Well Installation <br /> Heenan&Helen's Marina <br /> May 30, 1997 <br /> ' Page-4- <br /> TABLE 2.3 <br /> ' Laboratory Results (Soil/Geoprobe) <br /> B T E X MTBE TPH-G TEPH <br /> Detection 5.0 5.0 5.0 5.0 5.0 1.0 1.0-10 <br /> ' Sample I.D.Limits: µg/kg Ag/kg µg/kg µg/kg ttg/kg mg/kg mg/kg <br /> 1432-GPI-9 ND ND ND ND ND ND ND <br /> ' 1432-GP2-I1 ND ND ND ND ND ND 45 (motor oil range?) <br /> 1432-GP-3-10 ND ND ND ND 14 ND 39 (motor oil range?) <br /> ' 1432-GP4-5 920 1,500 ND(100) ND(100) 14,000 28 55 (motor oil range?) <br /> 1432-GP5-13 ND I ND ND ND ND ND ND <br /> ' Unit Conversions: <br /> µg/kg:parts per billion(ppb) B,T,E,X =benzene,toluene,ethyl benzene, and total xylenes. <br /> mg/kg:parts per million(ppm) MTBE=methyl tertiary butyl ether <br /> ' TPH-G=total petroleum hydrocarbons, quantified as gasoline. <br /> TEPH=total extractable petroleum hydrocarbons,quantified as diesel, <br /> motor oil, and kerosene. <br /> ND=none detected at or above laboratory detection limits. <br /> ' (I00)=detection limits raised due to gasoline interference. <br /> (motor oil range?)=organics detected within the motor oil range,however <br /> do not match the motor oil pattern. <br /> ' TABLE 2.4 <br /> Chemical Analyses (Groundwater/Geoprobe) <br /> ' B T E X MTBE TPH-G TEPH <br /> Detection 0.3 0.3 0.3 0.6 1.0 0.05 0.05-0.5 <br /> Sample I.D. Limits: µg/L 1,g/L µg/L µg/L µg/L _ mg/L mg/L <br /> ' 1432-GPI-8/29/96 ND 0.3 ND ND ND ND ND <br /> 1432- P2-8/29196 0.4 0.6 ND 0.6 ND ND ND <br /> ' 1432-GP4-8/29/96 69 600 66 400 1,300 2.7 ND <br /> 1432-GP5-8/29/96 ND ND ND ND ND ND ND <br /> Unit onverstons: <br /> µg/L:pans per billion(ppb) B,T,E,X =benzene,toluene,ethyl benzene,and xylene. <br /> mg/L.:pam per million(ppm) MTBE=methyl tertiary butyl ether. <br /> TPH-G=total petroleum hydrocarbons,quantified as gasoline. <br /> ' TEPH=total extractable petroleum hydrocarbons, quantified as diesel, <br /> motor oil, and kerosene. <br /> ND=none detected at or above the reported laboratory detection limits. <br /> Based on the results of the Geoprobe investigation, Condor recommended that monitor wells be <br /> installed at the site to investigate and monitor the lateral extent of the gasoline and diesel <br /> ' contamination plume (reference - Soil and Growidwater Investigation Report, prepared by Condor, <br /> ' `� CONDOR <br />