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f <br /> i <br /> . documented as producing noise levels that require hearing protection, the HSO <br /> may enforce the use of hearing protection whenever the operation takes place <br /> 6.0 SPILL CONTAINMENT <br /> The activities anticipated in the course of this project do not present likely <br /> scenarios for hazardous material spills. Sampling and decontamination media <br /> such as hexane, acetone, and nitric acid will be handled in small containers. <br /> Plastic sheeting surrounding boreholes shall be sized to contain the volume of <br /> spoil/water anticipated to be unearthed Where significant quantities of <br /> potentially contaminated water will be handled, the sheeting will be bermed to <br /> prevent the flow of liquids to surrounding areas <br /> A supply of sorbents will be kept on site sufficient to contain the contents of the <br /> largest single portable container of hazardous material(hexane, gasoline, acetone, <br /> etc.) brought on site. The PPE present for field work is suitable for clean-up of <br /> spills of this kind. <br /> 7.0 DECONTAMINATION <br /> Decontamination is required each time persons leave a work zone and there is <br /> reason to suspect soil contamination. Decontamination for this type of work <br /> relies heavily on the use of disposable PPE <br /> When personnel move between active work zones, minimal decontamination will <br /> be required. The Level D exclusion zone ensemble may be left on EXCEPT. <br /> Latex over-boots shall be removed upon exiting any exclusion zone. <br /> ALTERNATIVE Over-boots may be washed in soap solution in wash tub. <br /> Non-disposable rubber boots shall be washed in soap solution in wash tub EACH <br /> TIME wearer leaves exclusion zone. <br /> Personnel who have removed or decontaminated boots, but who are wearing <br /> Level D exclusion zone PPE, must proceed on foot directly to the next exclusion <br /> zone. <br /> 0 <br /> When personnel are leaving a work area for any destination outside of a work <br /> zone, the following procedures shall be in effect <br /> • All duct tape is removed and discarded in designated disposal bag. <br /> • Latex over-boots are removed and discarded in designated disposal bag. <br /> (ALTERNATIVE. Non-disposable rubber boots shall be washed in soap <br /> solution in wash tub.) <br /> CRC Eu+n�eaea Rok IMm4pmns,lea. PtoJ�at r 7A0001 4 <br /> Immy 29 1904 10 ZM GmW V-1 Hwa.,smtimg CA <br />