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' September 2007 • • padre asaoelatsa, ine. ' Project No. 0701-2621 ® EHYIRONMEXi1L09CIEHTHTH ' 2.0 SCOPE OF WORK 2.1 PREPARATION OF SITE HEALTH & SAFETY PLAN ' Padre has prepared a site-specific Site Health & Safety Plan (HSP) for the subject soil assessment program, which is attached as Appendix A. The HSP includes procedures, ' equipment, and materials/supplies employed to protect worker and community health and safety during the course of the assessment activities. The HSP also includes provisions for daily tailgate safety. meetings. ' The HSP portion of the document will detail all necessary procedures, monitoring equipment, and other methods that will be employed to protect worker and community health and safety throughout the course of the assessment program. The HSP will list the chemical compounds most likely to be encountered during the field operations, and will present established exposure levels that will not be exceeded. In addition, the HSP will contain a ' hospital location map. All on-site personnel will be required to familiarize themselves with and sign the HSP in an attempt to minimize the potential site hazards. ' 2.2 PERMITS Padre will submit the appropriate drill hole permit application, fee, and a copy of this ' workplan to the San Joaquin County Environmental Health Department (SJCEHD) and will coordinate with the SJCEHD regarding abandonment of the drill holes a minimum of 48 to 72 hours in advance. ' 2.3 CLEARANCE OF ASSESSMENT LOCATIONS FOR UTILITIES AND PIPELINES ' Padre will complete a pre-assessment site visit approximately 5- to 10-days prior to the scheduled start of field activities. During this pre-assessment site visit, Padre will demarcate the surface location of each proposed drill hole location with a painted white symbol. Also, ' during this site visit, any significant site features (i.e. overhead power lines, sewer lines, trees, etc.) will be noted and discussed with Padre's project manager prior to the start of work. Immediately following the site visit, USA will be notified. As part of the notification, USA will be ' informed of the type of work planned, including the number of drill hole locations, and will be requested to identify all underground utilities in the vicinity of the Project Site that may be in conflict with the proposed drilling locations. 2.4 DRILL HOLE ADVANCEMENT t Padre proposed to advance five drill holes to depths of approximately 10 feet below surface grade, or the depth at which practical refusal Is encountered, whichever occurs first. Soil samples will be collected at approximate depths of surface (first native soil below ballast material), three feet, and seven feet. w.zea.iwc.aoc - 2 - t