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Safety and Health Plan Tracy Ridge Tracy, California March 27, 2019 Terracon Project No. NA187052.1 lrerracon Decontamination of equipment will be performed to limit the migration of contaminants off-site. All equipment will be cleaned prior to site entry to remove grease, oil and encrusted soil. Decontamination of large equipment will consist of physically removing gross contamination with shovels, brushes etc. followed by detergent and water high pressure wash with a clean water rinse. The Project Manager is responsible for determining if decontamination solutions must be containerized. If so, a decontamination sump or polyethylene sheeting and fluid containers will be mobilized and established in the decontamination area. Decontamination of hand samplers and similar small equipment will be performed at a designated location within the Contaminant Reduction Zone. Decontamination of such equipment will consist of detergent solution wash and clean water rinse. 14.3 Power Washer/Decontamination Safety The operator should wear safety glasses or a face shield at all times during use of the power washer. Caution should be used while operating the washer to ensure that all Site personnel are out of the area. 15.0 SITE COMMUNICATIONS Communication between personnel within the Exclusion Zone will be via verbal communication or hand signals. Visual contact between members of task teams should be possible throughout the course of project activities. Contact with the SSO will be through direct verbal communication. The following hand signals will be used by personnel wherever respiratory protection and/or equipment noise limit verbal communication. Signal Meaning Thumbs Up OK; all is well Grab throat with both hands Can't breathe Shake head, thumbs down NO, negative Point right (when facing equipment operator) Move/steer left Point left (when facing equipment operator) Move/steer right Grab partner's wrist Evacuate site 19