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Site Safety and Health Plan <br /> Site Contamination Work PIan,ASF Freight Systems, Inc <br /> 2427 West Yosemite Avenue,Manteca,California F Freight System,Inc <br /> • Manteca,California Page 15 <br /> Under no conditions will the required monitoring frequency decrease <br /> At a minimum, exposures to suspected chemicals of contamination, as defined in this plan, <br /> should be monitored prior to and during each task/activity Additional characterization <br /> monitoring will begin immediately if the operation destabilizes the environment changes, or the <br /> potential for exposure is otherwise affected Monitoring should continue on a continuous basis <br /> until the operation is stable and the SSHO or HSM feels that the monitoring is sufficient to <br /> adequately assess and characterize exposure during that operation <br /> Equipment calibration and use requirements are specified in Sections 5 5 and 5 6 The <br /> monitoring equipment specified for each fob task is summarized in Table 5-1, monitoring <br /> protocols and contaminant action levels are specified in Table 5-2 <br /> 5.5 Equipment Calibration Requirements <br /> The following summarizes calibration requirements for the equipment specified for at least some <br /> of the specified fob tasks See Section 5 4 for task-specific monitoring protocols <br /> Instrument* Calibration Check Frequency <br /> • PID Daily <br /> CGI Daily <br /> *Not all fob tasks may require monitoring See Table 5-2 for specific protocols <br /> 5.6 Monitoring Protocols <br /> Task-specific instrument monitoring protocols and contaminant action levels are outlined in <br /> Table 5-2 The use of action levels and the basis for the selection of monitoring equipment is as <br /> explained below <br /> Action levels determine: <br /> (1) the field team's selection of personal protective equipment, and <br /> (2) the field team's ability to remain and work within the exclusion (work) zone <br /> The selection of the specified monitoring equipment is leased on: <br /> (1) the nature of the contaminants, <br /> (2) the concentrations of the contaminants, <br /> (3) the likelihood of the contaminants entering the air in significant levels, <br /> (4) the probable duration of exposure, and <br />• (5) the relative sensitivity of the monitoring equipment to the specific contaminants <br /> N 1PROJECTS132721P1ans and ReportsN13n1ling SSHP 2 doc May 6, 1998 <br />