ARCHIVED REPORTS XR0012868 - Laserfiche WebLink

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1 until results of remediation of the groundwater plume has begun ' and the results evaluated 5 Soil contamination encountered in the area west of the main- ' taznence building at Independent Trucking appears to have been caused by a combination of waste oil products placed in the septic system and gasoline components from a source to the west Removal of those remaining contaminents should be deferred until ' the offsite source is identified and fully defined RECOMMENDATIONS ' I Continue quarterly monitoring until conditions stabilize and all offsite sources have been located and evaluated ' 2 Defer any additional soil removal until (a) remediation has commemced at the Nomellini site and results are favorable ' (b) the mayor source to the west of the property has been identified and fully defined 3 MW-9, which was placed offsite as required by the RWQCB staff, has identified a suspected but previously unknown source Of gasoline contamination to the west of the Independent trucking site Laboratory results from that well revealed extremely high ' levels of BTEX & TPHg, and iso-concentration maps suggest the plume has migrated beneath the Miles property The source of those high levels has not been identified, but data from MW-9 1 indicates it to be to the west of the Independent Trucking facility The responsibility for conducting that investigation lies with the appropriate lead agency or agencies, and not with ' our client The next quarterly monitoring event is due this month, we will submit that eport within 30 days of receipt of all of the data Wm J t r & A ociates cc in Turkatte, San Joaquin Co EHD Miles \S�� tO GE�Co Lautze J Welch .,ILL[`,'" Independent Trucking Larry Broadfish Geo Properties, Inc Abe , • �OF CAL�F�'`� ,t 12