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43 Site Control Work Zones <br /> Work zones will be established in order to (1) delineate high-traffic locations, (2) identify hazardous <br /> locations and (3) contain contamination within the smallest area possible Employees entering the work <br /> zone must wear the proper personal protective equipment for that area Work and support areas will be <br /> established based on ambient air data, necessary security measures, and site-specific conditions <br /> 4.4 Decontamination Procedures <br /> Operations conducted at this site have the potential to contaminate field equipment and personal protective <br /> equipment To prevent the transfer of contamination to vehicles, admmnstrative offices and personnel, the <br /> procedures presented in Table 4-4 must be followed <br /> TABLE 4-4 <br /> DECONTANIINATION PROCEDURE <br /> Item Examples Procedure <br /> Field Equipment Bailers, interface probes, hand d Decontaminate with a <br /> tools, drill augers and solution of detergent <br /> miscellaneous sampling and water or alcohol, <br /> equipment rinse with water prior <br /> to leaving the site <br /> Protect from exposure <br /> by covering with <br /> disposable covers such <br /> as plastic to minimize <br /> required <br /> decontamination <br /> activities <br /> Disposable PPE Tyvek suits, inner nitrile Dispose of according <br /> gloves, respirator cartridges to the requirements of <br /> the client and state and <br /> federal agencies <br /> Non-Disposable PPE Respirators Wipe out respirator <br /> with disinfecting pad <br /> prior to donning <br /> p Decontaminate on site <br /> at the close of each day <br /> with a solution of an <br /> approved sanitizing <br /> agent and water <br /> • <br /> 18 <br />