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5 Quarterly Report - 152 East 1 lth Street, Tracy Page 3 specifications of the City of Tracy Public Works Department That work was completed on July 17, 1996 and the remediation contractor returned control of the 152 East 11th Street site to the owners on the same day On June 03, 1996, following guidance from the SJCPHS that, in view of the findings made during the progress of the remedial excavation on the 152 East 11th Street property, it would not be necessary, and could be counterproductive, to pump groundwater from the remediated area, a notice requesting termination of authorization to temporarily discharge treated groundwater to the municipal storm water sewer under the terms of NPDES Permit CA0082929 and General Order No 92-15025 was transmitted to the Califorrua Regional Water Quality Control Board - Central Valley Region (CRWQCB) During the reporting period, the spread of soil laid out to aerate on fallow land at the soil treatment site off West Blewett Road in the rural Venalis district of San Joaquin County was periodically checked for visual and olfactory indicators of fuel hydrocarbons As judged necessary from time to time, the spread of soil was rototilled to accelerate aeration of any remaining traces of components of gasoline, and on one occasion, a bulldozer equipped with rippers was used break up wet soil that was wet when original placed in the treatment area, that had become compacted and then thoroughly dried in the hot weather that followed Shortly before the close of the reporting period, a check of the soil spread for treatment • found no visual or olfactory indicators of the presence of components of gasoline Accordingly preparations were made to sample and test the treated soil to conform that it contained no detectable traces of any analytes of concern Engineering and Status Reports The following status report was completed during the reporting period and submitted to the SJCPHS 1 Quarterly States ReportFebruary 1, 1996 to April 30, 1996 - 152 East I Ith. Street. Tracy- California, Submitted June 08, 1996 § $ CopN transmitted to the California Regional Water Quality Control Board- Central Valley Region (CRWQCB) Engineering data related to the performance and results of the remedial action at the subject property were compiled and analyzed as they became available during the reporting period They are being incorporated into a report on remediation which will document the work that has been performed and the observations and data gathered during the progress of the work