ARCHIVED REPORTS XR0002741 - Laserfiche WebLink

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page 2, 16 Harding Way will be submitted for analysis of total petroleum hydrocarbons as gasoline (TPHg), benzene, toluene, ethyl benzene and xylenes (BTEX), fuel oxygenates, 1,2- dichloroethane and ethylene dibromide ' The proposed groundwater extraction well will be a 4-inch diameter well built to 50-feet bsg with 25-feet of screen interval, and will be located on-site near SB-2 The proposed ' feasibility test will be a hydraulic step-drawdown test performed to further evaluate hydrogeologic conditions beneath the site, and to determine the viability of using groundwater extraction as a remediation method for the site Groundwater will be pumped from the extraction well with a submersible pump and discharged to a holding ' tank on-site A valve and flow meter connected in line with the discharge hose will be used to control and measure flow rate All discharged water will be transported off-site for proper disposal Monitoring wells MW-1, MW-3, MW-4, MW-5, MW-6 and MW-7 will be used as observation points during the test Groundwater extracted during the test will be stored on-site in a holding tank pending characterization for disposal Groundwater samples will be collected during and following the completion of the test and will be analyzed for TPHd,TPHg, BTEX and fuel oxygenates SJCIEHD approves the work plan for additional site assessment and feasibility testing as outlined above Two'Project Schedules'were submitted with the work plan In the Project Schedule-Site ' Assessment SECOR proposes a time frame for completion of the site assessment by 10/22/02 and submittal of a report of findings by 12106102. SJCIEHD does not consider nearly ten months to be a reasonable time frame for completion of the plume definition at this site The consistently very high levels of contaminants present in the groundwater 110 require a faster response time Specifically, problems and questions with the Project Schedule-Site Assessment include 1 Task ID#9, Submit well permits This task was listed prior to the tasks of submitting and receiving city encroachment permits and access agreements The County cannot issue drilling permits prior to receipt of copies of all ' encroachment permits and access agreements 2 Task ID#10, Receive Approved Permlts. The schedule listed the duration to receive approved permits at 21 days This is not accurate If SECOR has an approved work plan and has submitted all necessary paperwork and fees, a drilling permit can usually be issued within a couple of days 3 Task ID#12, Receive Encroachment Permits and Access Agreements The ' duration of this task was listed at 90 working days. In conversation with City of Stockton Public Works Department personnel, SJCIEHD was informed that a revocable permit should take a maximum of approximately one month and that following issuance of the revocable permit an encroachment permit should be obtainable in a day SJCIEHD acknowledges that access agreements from private parties are sometimes difficult However, work at a highly contaminated site such as this should not be delayed by lengthy negotiations ' with a private party If a private property owner is not cooperative, proposed work should be relocated to city or county right-of-ways and should proceed quickly In addition, SJCIEHD fails to see why SECOR has to wait until ' 3115102(the start date noted in the schedule)to submit the requests for revocable permits and access agreements SECOR should begin the submittal of these items immediately 4 Task ID#14, Schedule Utility Locator and Drilling The duration for this task was listed at 21 days Please explain why this task takes so long