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' Report-Soil and Groundwater Investigation <br /> Herman&Helen's Marina <br /> September 30, 1996 <br /> ' Page-5- <br /> 3.5.2 Analytical Results - Groundwater <br /> ' Four (4) groundwater samples were collected for chemical analysis (GP-1, GP-2, GP-4, and <br /> GP-5). Groundwater was not encountered at GP-3. Each groundwater sample was labeled according <br /> ' to the project number, Geoprobe number, and sampling date. <br /> ' The laboratory analyses indicate TPH-G, BTEX, and MTBE in the groundwater sample <br /> collected from GP-4. Low BTEX concentrations were detected in the groundwater collected from <br /> ' GP-1 and GP-2. TEPH was not detected in any of the groundwater samples. The results of the <br /> groundwater analyses are shown in Table 2, below. Laboratory report sheets indicating analytical <br /> ' methods used, detection limits, and results of analyses are located in Appendix C. <br /> ' TABLE 2 <br /> Chemical Analyses (Groundwater - August 1996) <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: Itg/L µg/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-GP2-8/29/96 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 /> mt Conversions: <br /> ' µg/L:parts per billion(ppb) B,T,E,X =benzene,toluene,ethyl benzene,and xylene. <br /> mg/L: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 the reported laboratory detection limits. <br /> ' 3.6 Geotechnical Testing - Soil Characteristics <br /> Two (2) soil samples were retained for geotechnical testing (1432-GP1-8 and 1432-GP3-10). <br /> ' The samples were tested for specific gravity by ASTM Method D-854, for organic carbon content by <br /> ASTM Method D-2974, and for permeability (triaxial) by ASTM Method D-5084. In addition, <br /> ' moisture content, porosity, and dry bulk density were determined in the permeability analysis. The <br /> results of the testing are contained in Table 3 below. The laboratory report sheets are located in <br /> ' Appendix C. <br /> �• <br /> �� CONDOR <br />