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wash/rinse chemical resistant outer glove, then remove as appropriate <br /> remove and throw out inner disposable nitrile liner gloves in designated, lined <br /> receptacles <br /> Level C: Segregated Equipment Drop <br /> - wash/rinse outer boots <br /> - washh-inse chemical resistant outer gloves, then remove tape and gloves <br /> - remove chemical resistant suit(remove by rolling down suit from the inside) <br /> - remove outer boots <br /> - remove first pair(s) of disposable gloves <br /> - remove respirator,hard hat/faceshield and properly dispose of cartridges; wash <br /> respirator <br /> - remove last pair of disposable nitrile liner gloves <br /> Level B: Segregated Equipment Drop <br /> - wash/rinse outer boots <br /> - wash/rinse chemical resistant outer gloves <br /> - cross hotline (into clean area) and change air tanks, then redress or <br /> - cross hotline(into clean area) <br /> - remove boots and gloves <br /> - remove SCBA, if worn over chemical resistant suit <br /> - if SCBA is worn under the suit, remove the chemical resistant suit, then the <br /> SCBA <br /> - remove hard hat <br /> - remove disposable nitrile liner gloves <br /> 5.6 DRILLING PROCEDURES <br /> A digsafe number must be obtained from the appropriate agency prior to drilling, excavation or <br /> trenching. To determine presence of subsurface metal utility lines, tanks and/or drums (if <br /> suspected), a metal detector should be used before excavating on a Site. <br /> During the operation, two persons (one designated as "operator" and the other as the "helper") <br /> must be present at all times. The helper(whether Versar personnel or subcontractors) must be <br /> instructed as to the whereabouts of the emergency shut-off switch. Every attempt must be made <br /> to keep unauthorized personnel from entering the work area. If this is not possible, the operation <br /> should be shut down until the area is cleared. The Site Safety Officer or the Field Team Leader <br /> has the authority and responsibility to shut down the excavating operations whenever a hazardous <br /> situation is deemed present. <br /> The am of any equipment should maintain a preferred clearance of 20 feet fiom any overhead <br /> electrical cables, with 10 feet being the minimum. All operations will inunediately cease during <br /> 3025-03/114700.4766.023/NL23'03 16 <br />