Laserfiche WebLink
I <br /> EI�C�yIt® <br /> Mr James Barton <br /> January 12, 2005 <br /> Page 4 <br /> Sampling Schedule <br /> The fourth quarter 2004 sampling event occurred during October 2004 An Updated Site <br /> I Conceptual Model, Monitoring and Remediation Status Report for Fourth Quarter 2004 will be <br /> submitted to the appropriate parties during January 2005 Wells MW-31 and MW-32 will be <br /> added to the quarterly monitoring program during the first quarter 2005 <br /> Conclusions/Recommendations <br /> Concentrations of TPHg, benzene, MtBE, and 1,2 DCA were reported as not detected at or <br /> above the laboratory reporting limits in soil and groundwater samples collected during this <br /> investigation The downgradient, cross-gradient, and vertical extents of petroleum hydrocarbon <br /> constituents in soil and groundwater in units C and D east of the site appear to be delineated <br /> ENSR recommends that groundwater elevation data be collected from wells MW-31 and MW-32 <br /> quarterly ENSR also recommends that groundwater samples be collected annually from wells <br /> MW-31 and MW-32 and submitted for analysis of TPHg by EPA Method 8015 Modified and for <br /> VOCs by EPA Method 8260B Groundwater parameter data related to intrinsic biodegradation <br /> will be used to assess natural attenuation at the outer edges of the plume <br /> 10 Remarks/Signatures <br />' The interpretations contained in this document represent our professional opinions, and are <br /> based In part on information supplied by the client These opinions are based on currently <br /> available information and are arrived at In accordance with currently accepted hydrogeologtcal <br /> and engineering practices at this time and location Other than this, no warranty is implied or <br /> Iintended <br /> J kProjects106941M5098 293LWarkinglReports15098 Well Installation Report doc <br /> ICelebrating 35 Years of Excellence in Environmental Services <br />