ARCHIVED REPORTS XR0002735 - Laserfiche WebLink

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Ms Lon Duncan February 9, 2004 Page 7 and groundwater monitoring wells are shown on Figure 2 The specific scope of work is discussed below • Site Health and Safety Plan As required by the Occupational Health and Safety Administration (OSHA) Standard "Hazardous Waste Operations and Emergency Response" guidelines (29 CFR 1910 120), and by the California Occupational Health and Safety Administration (Cal-OSHA) "Hazardous Waste Operations and Emergency Response" guidelines (CCR Title 8, Section 5192), SECOR will update the current site-specific Health and Safety Plan (HASP) prior to the commencement of fieldwork The HASP will be reviewed by field staff and , contractors before beginning field operations, and will be in the possession of SECOR personnel while conducting work activities at the site • Permitting Well construction permits for the groundwater monitoring and OS wells will be obtained from the SJCEHD Encroachment permits will be obtained for the offsite wells proposed in the city right-of-way from the City of Stockton, fd Public Works Department (CSPWD) prior to the commencement of drilling activities r� • OS Wells Eight-inch diameter soil borings for the 6 proposed OS wells 10S-1 through OS-6) will be drilled using hollow stem auger drilling equipment Upon completion of drilling, a 1 25-inch diameter, Schedule 80 PVC groundwater 14 monitoring well equipped with a 3-foot long OS diffuser tip will be installed in each borehole Each OS well will be completed at a rdepth of 40 feet bgs /'Based on historical site groundwater monitoring data, depth to-groundwater within the OS wells is anticipated between approximately 25 and 30 feet bgs Field procedures for the installation of the OS wells are provided in Attachment 2 ;a • Soil Selection and Analysis No soil samples will be collected due to the soil data collected from previously installed wells in the vicinity s • Soil and Water Disposal Soil cuttings generated during drilling operations will be temporarily stored on-site and covered with plastic sheeting pending characterization and disposal Soil cuttings will be removed and transported by a 14 ConocoPhillips' disposal contractor to an appropriate disposal facility Water generated during the steam cleaning of drilling equipment during the installation and development of the wells will be temporarily stored on-site in California State „ Department of Transportation (DOT)-approved 55-gallon drums also pending transport by ConocoPhillips' disposal contractor to an appropriate disposals facility Sod cuttings and rinsatelpurge water drums will be temporarily stored on- n site for approximately 4 to 8 weeks • Report Following the completion of well installation activities, SECOR will b' submit a report documenting the findings of the investigation The report will include soil boring logs, permits, soil and groundwater analytical results, chain-of- custody documentation, and conclusions H i I lARCO\49321workplans\Revised IRAP&WP doc