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i { WORK PLAN ENVIRONMENTAL SAMPLING IN SITU OF SOIL EXPORT MATERIALS PROPOSED PARKING STRUCTURE AND PARKING LOT Southwest Corner of Maple and California Streets Stockton, San Joaquin County, California, April 19,2005 1. INTRODUCTION This is a work plan for environmental soil sampling of the expected soil export materials located at the proposed parking structure and parking lot area of the St. Joseph''s Medical Center located at 1517 North California Street, Stockton, California (Site). The Site occupies"!Assessor Parcel Numbers (APNs) 127- 150-23, 127-150-24, 127-150-25, 127-150-48, and 127-150-49 (Figure 2, Appendix A). Condor Earth Technologies, Inc. (Condor) prepared this work plan at the requestof Catholic Health Care West (Client). The work is designed to investigate the potential presence of contaminants in soil to be excavated and removed from the Site. The proposed work will include the advancement of 16 direct push borings to [[[ collect soil samples. 2. SITE BACKGROUND The Site is located at the southwest corner of California and Maple Streets, in Stockton, California (Figure 1, Appendix A). The-Site comprises approximately 0.79 jacres of generally flat land within the city limits of Stockton. A mix of residential and commercial buildings formerly occupied the Site. 3. GEOPROBE BORING FIELD PROCEDURES This section includes a description of the Site preparation, geop'robe-boring procedures, proposed Site health and safety procedures, and laboratory analyses. 3.1 SITE PREPARATION Condor will complete soil boring permit applications and obtain the required permits from the San Joaquin County Environmental. Health Department (SJCEHD)"Iprior to the fieldwork. Condor will coordinate all field activities with the SJCEHD. The proposed boring locations will be marked with white paint and Underground Service Alert(USA) will be notified at least 48 hours in advance of the fieldwork to locate and identify underground utilities in and near the work area. Because companies contacted by USA may not identify utilities beyond private property lines and into the Site, Condor will arrange fora private utilities locator to identify any underground utilities on Site. However, it is the responsibility of the property owner to identify any Site utilities. 3.2 HEALTH.AND SAFETY REQUIREMENTS Prior to initiating fieldwork at the. Site, a tailgate safety meeting;will be held and field personnel will familiarize themselves with the Site-specific health and safety plan, which will be discussed and presented for their signatures. The health and safety plan pertains to field activities and includes information such as potential hazards encountered at the Sitei personal protective equipment, and directions and telephone numbers to the nearest hospital. A copy of the Site-specific health and safety 1 a CONDOR f