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• Boots with steel toe <br /> t , • Splash goggles or safety glasses <br /> Er • Chemical resistant disposable gloves (when in contact with contaminated <br /> imaterial) <br /> Level C protection will be required if PID readings exceeding 100 ppm total volatile organics <br /> over background concentration are encountered in the workers breathing zone. Level C <br /> protection will consist of: <br /> • Disposable Tyvek coverall <br /> • Boots with steel toe <br /> • Chemical resistant boot covers <br /> 0 Splash goggles <br /> I <br /> • Chemical resistant disposable gloves (inner) <br /> • Chemical resistant outer gloves <br /> 0 MSHA/NIOSH approved half-face or full-face air-purifying respirator <br /> with dual organic vapor cartridges <br />'...._ ��..•--5�.. 1ti_i�."_ ��..� .+.+.atk�c_.is.,..i - y<a }z.vy-�-.4*J+ebF� ��'- .�� '3�. .roc—a�.:�-Y3.g4�:..'1 - ,;5s4"',L—.2"�"".:" a_ <br /> ``If PID PreadingsT exceed 250 ppm in the workers breathing zone, all work will stop and the <br /> exclusion zone will be evacuated. In this situation, an explosion-proof fan may be used to vent <br /> the work area. <br /> I <br /> MCONTANIINATION <br /> During all field operations, care will be taken to minimize contact with contaminated soils and <br /> groundwater if encountered. Drilling spoils and developmental water will be stored on-site for <br /> proper treatment or disposal. This will minimize contact and dispersion of potentially <br /> contaminated materials. <br /> If necessary, upon exit from the work site, loose debris will be removed from protective clothing <br /> L by brushing or rinsing. All equipment coming in contact with contaminated materials will be <br /> AxxsnrT.wr 4 <br />