ARCHIVED REPORTS XR0000998 - Laserfiche WebLink

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Rcfer to prior reports for details REGIONAL GEOLOGIC & GEOMORPHIC PROVINCE Refer to prior reports DEPTH TO GROUNDWATER During excavation work conducted in May, 1993 , groundwater was encountered at about 35 ' bgl Groundwater was observed entering the excavation during the work performed in December, 1994 The water table was measured at an average depth of 24 07 ' bgl during well development & sampling conducted on July 10 , 1995 LOCATION OF NEARBY WELLS : Although there are no monitoring or water wells in the immediate arca under discussion, there are at least 19 groundwater monitor- ing wells in the area, in addition to the four recently placed on this property The owners of the site immediately to the east at 1045 W Charter Way, (Nomellini Construction Co , ) have recently placed at least two {2} additional groundwater monitoring wells in order to further define an extensive hydrocarbon plume beneath that site One of those wells has been placed on the east side of the Miles & Nolet property, preliminary data indicates minor amounts of petroleum constituents were measured We will endeavor to make an arrangement with the owner of the Nomellzni sit so that we can coordinate our quarterly sampling events to include the well recently placed on this site WORKPLAN FOR FURTHER SOIL & GROUNDWATER INVESTIGATION The September 13 , 1995 letter from Mr Joel Weiss of the CRWQCB was not received in this office until September 27 , we have yet to put on the distribution list, and must relay on others to receive correspondence Because of the short time frame in which to prepare a workplan, (required by 10/13/1.995 , ) we have not had sufficient time to contact qualified vendors & service companies to perform the work We will give more complete details as soon as we have made those selections and obtained necessary permits , etc 1 Utilizing surface geophysical equipment , (magnetometers , etc ) attempt to locate & identify possible underground storage tanks , pipelines, etc as shown by the area outlined on the actached EXHIBIT A If the sensitivity of the equipment permits , je will also investigate the area beneath the shop building 2