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• 0 <br /> D) Physical and Non-Chemical Hazards <br /> See Table III (to be filled out by CHSO/HSO) <br /> E) Overall Rating of Risk due to Project Hazards (to be filled out by <br /> CHSO/HSO) <br /> Serious Moderate Low <br /> ' F) Utility Clearance <br /> 1) Field clearance done by: U.S.A. Underground Utility Location and WILLIAM <br /> DUBOVSKY ENVIRONMENTAL <br /> ' 2)List Instruments used: Field observation and steel probe used to locate <br /> subsurface electrical conduits. <br /> III. Air Monitoring Equipment/Personal Protective Equipment and Action Levels <br /> The results shall be interpreted by the Site Safety Officer. Monitoring results and <br /> calibration logs are to be completed, sent to the Corporate Health and Safety <br /> ' Officer, and to be filed with the Site Safety and Health Plan - see Attachments 1 and <br /> 2. <br /> All monitoring shall be performed on a periodic basis. Periodic is defined as <br /> adequate characterization before, during and after each task/activity. Monitoring <br /> should continue on a continuous basis until the operation is stable and the SSO or <br /> CHSO feel that the monitoring is sufficient to adequately assess and characterize <br /> exposure during that operation. <br /> ' A minimum of three independent data points taken one minute is suggested. <br /> Upon task/environmental/activity stabilization periodic monitoring, continuously for <br /> ' 4 hours per shift. All exposure assessment to all chemicals identified as necessary <br /> below. Additional characterization monitoring shall begin immediately if the <br /> operation destabilizes the environment changes, or the potential for exposure is <br /> otherwise affected. Monitoring Instruments/Direct Reading Instruments (to be filled <br /> out by CHSO/HSO) <br /> r <br />