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I <br /> analyzed for TPHg by EPA Modified Method 8015, MTBE and BTEX by EPA Method 8260 No <br /> gasoline as free product was or has ever been observed in any well <br /> The thane in groundwater adient and direction are indicative of the influence of the Deep Water <br /> g gT � <br /> Channel, which is 1,200 feet northeast of the site <br />' The following is a com arson of the November 19 2001 groundwater sample results to the <br /> fol o g p �' p <br /> previous quarter, dated August 22, 2001 <br /> In monitoring well MW3-1, TPHg and volatile organic hydrocarbons benzene, ethylbenzene, and <br /> xylenes were higher in concentration as compared to last quarter The toluene concentration had <br />' decreased The sample was not analyzed for MTBE <br /> In monitoring well MW3-2, TPHg and volatile organic hydrocarbons benzene, toluene, <br /> 1 ethylbenzene, and xylenes (BTEX) concentrations were significantly higher than the concentrations <br /> of the previous quarter The sample was not analyzed for MTBE <br />' In monitoring well MW3-3, TPHg, benzene, and xylenes concentrations had decreased and toluene <br /> and ethylbenzene concentrations had increased as compared to the previous quarter The sample <br /> was not analyzed for MTBE <br /> 1 CONCLUSIONS 1 RECOMMENDATIONS <br /> NBased on a review of the analytical results of the groundwater samples of MW3-1 through MW3-3 <br /> for TPHg and BTEX,the following conclusions are presented <br /> • Free phase petroleum product has not been detected in any of the wells on the site <br /> • Concentrations vary with the change of groundwater gradient and elevation <br /> • A survey of domestic, municipal, agricultural, industrial and other supply wells within a <br /> 1 2,000-foot radius of the site has been conducted No municipal or drinking water supply <br /> wells were identified within the 2,000-foot radius <br /> The following recommendations are presented for this site <br /> ' • The Port has completed nine quarters of ground water monitoring for this site The Port will <br /> continue to perform quarterly groundwater monitoring <br /> • In December 2001, the Port implemented the field work portion of the DHS/EHD-approved <br /> ' work plan to further assess the lateral and vertical extent of petroleum hydrocarbons in soil and <br /> groundwater at Site 3 A summary report will be prepared during the First Quarter of 2002 <br /> 1 <br /> 1 <br /> i <br /> 1 <br /> ust sttc3 gir9 dot 8 <br />