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The Site Safety officer will notify the Superintendent should excessive dust (visible in the air) become <br />apparent. The Superintendent will then notify the Site Safety Officer of appropriate measures (water <br />spray) to reduce the hazard. Should additional changes be required, workers will switch to a modified <br />Level D Protective gear, which could include: <br />1. Nitril Gloves <br />2. Disposable Tyveks <br />3. Respiratory Protection (see addendum 1) <br />The work zones will be determined by the Project Manager and the Site Safety Officer before the start of <br />operations. A two zone system will be employed at each site. i.e. exclusion zone/contamination reduction <br />zone, and a support area. <br />Personnel equipment worn into the Contamination Zone will be decontaminated by laundering and/or <br />proper disposal by LLNL of contaminated items (i.e. Tyveks, gloves and rags). Equipment will have <br />gross soil scraped off and placed with other soil taken from excavations. If gross contamination is <br />present revisions to this section may be required. Contaminated items to be disposed of will be <br />handled by LLNL. <br />7.1 GENERAL SAFETY <br />All personnel shall avoid contact with potentially contaminated substances or surfaces. Kneeling on the ground <br />or leaning against objects should be avoided whenever possible. Equipment shall not be placed on potentially <br />contaminated surfaces. Eating, drinking, smoking, chewing of gum and tobacco, and application of cosmetics <br />shall be restricted to the break areas only. Personnel must remain alert to any potential hazards such as open <br />trenches, excavations, slippery surfaces, overhead lines, faulty equipment and tripping. All personnel on site <br />will be required to wash their face and hands after working in a contaminated or potentially contaminated area. <br />