ARCHIVED REPORTS XR0001641 - Laserfiche WebLink

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. CLEANUP AND ABATEMENT ORDER NO. 93-XXX - 4 - GEWEKE LAND DEVELOPMENT AND MARKETING SAN JOAQUIN COUNTY I d. Notify Board and San Joaquin County Division of Environmental Health staffs within 24 hours of any unapproved shutdown of the remediation system[s] and within 7 working days, submit a Technical Report containing as a minimum, but not limited to: (1) Times and dates equipment was not operating; (2) Cause of shutdown; and (3) A corrective action plan to ensure similar shutdowns do not . reoccur, proposed corrective actions are to be completed within 30 days of the system shutdown. e. Ensure that the ground water extraction system[s] "zone of capture" O completely envelops and controls the contamination plume(s] (lines of zero contamination in all water bearing zones) . If ground water monitoring and sampling results indicate that any part of the contamination plume[s] is not within the zone of capture, the Dischargers shall resample the following month. If contamination is . confirmed, the Dischargers shall submit within 30 days of receiving Q the sample results a Contingency Plan to Mitigate the condition. The proposed actions shall be completed within 60 days of submitting the Contingency Plan (or' longer as approved by the Executive Officer) . f. Maintain a sufficient number of monitoring wells to completely define and encompass the contamination plume[s] (lines of zero contamination in all water bearing zones) . If ground water sampling results indicate that contamination has migrated to or past any of the outermost or deepest monitoring wells, the Dischargers shall resample the following month. If contamination is confirmed, the Dischargers shall submit within 30 days of receiving the sample results, a work plan for installing additional monitoring wells. The additional wells shall be installed and sampled within 60 days of submitting the work plan (or longer as approved by the Executive Officer) . g. Maintain an on-site log of all visits to the remediation systems] by the Dischargers or their agents. The log shall be available for review by Board and County staffs. h. Notify Board and County staffs at least two working days prior to any on-site work, testing, or sampling. i . Obtain all local and state permits necessary to fulfill the �l requirements of this order prior to beginning work.