ARCHIVED REPORTS XR0003032 - Laserfiche WebLink

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SECOR Richard C Prima Jr January14, 2002 Page 2 and discharge a total of 5,318,694 gallons Calculated discharge rates during this reporting period ranged from 8 32 to 10 34 gallons per minute (gpm) During this reporting period the GWET system extracted approximately 0 1 pounds of TPHg, and 0 2 pounds of MtBE To date, the GWET system has extracted approximately 8 3 pounds of TPHg, 0 2 pounds of benzene, and 84 6 pounds of MtBE Plots of GWET system mass removal trends and influent groundwater TPHg, benzene, and MtBE concentrations versus time are shown on Figures 4 and 5 respectively Certified analytical reports and chain -of -custody documentation and GWE system operation and maintenance field data sheets are included in Attachments 1 and 2, respectively SYSTEM MODIFICATIONS There were no system modifications during this reporting period SUMMARY OF VIOLATIONS There have been no violations of the discharge limitations during this reporting period Should you have any questions or require additional information, please feel free to contact Bob i Jackson at (916) 861-0400 extension 283 • Sincerely, SECOR International Incorporated Bob W Jackson Jr Oid Evans Staff Geologist Project Manager Attachments Certification Figure 1 Site Location Map Figure 2 Remediation System Site Pian Figure 3 Groundwater Extraction System Process Flow Diagram Figure 4 Cumulative Groundwater Extraction Constituent Mass Removal Figure 5 Groundwater Extraction Influent Constituent Concentrations Table 1 Groundwater Extraction System Analytical Data Table 2 Groundwater Extraction System Performance Data Attachment 1 Groundwater Extraction Analytical and Chain -of -Custody Documentation Attachment 2 Groundwater Extraction Field Data Sheets 11Chevron195T15Wenodic Monitonngl0 & WReportsWonthly0scharge Reports120021December 2002 DR