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' ARCADIS SOP:Investigation-Derived Waste Handling and Storage 11 <br /> Rev.#:2 1 Rev Date: March 6,2009 <br /> Decontamination Solutions <br /> ' Decontamination solutions are generated during the decontamination of personal <br /> protective equipment and sampling equipment. Decontamination solutions may range <br /> ' from detergents,organic solvents and acids used to decontaminate small field <br /> sampling equipment to steam cleaning rinsate used to wash heavy field equipment. <br /> These solutions are to be labeled and stored in 55-gallon drums with bolt-sealed lids. <br /> ' Disposable Equipment <br /> ' Disposable equipment includes personal protective equipment(tyvek coveralls, <br /> gloves, booties and APR cartridges)and disposable sampling equipment such as <br /> trowels or disposable bailers. If the media sampled exhibits hazardous characteristics <br /> ' per results of waste characterization sampling, disposable equipment will also be <br /> disposed of as a hazardous waste.These materials will be stored onsite in labeled 55- <br /> gallon drums pending analytical results for waste characterization. <br /> ' Purge Water <br /> Purge water includes groundwater generated during well development,groundwater <br /> ' sampling, or aquifer testing.The volume of groundwater generated will dictate the <br /> appropriate storage procedure. Monitoring well development and groundwater <br /> sampling may generate three well volumes of groundwater or more. This volume will <br /> be stored in labeled 55-gallon drums.Aquifer tests may generate significantly greater <br /> volumes of groundwater depending on the well yield and the duration of the test. <br /> Therefore, large-volume portable polyethylene tanks will be considered for temporary <br /> storage pending groundwater-waste characterization. <br /> Purged Water Storage Tank Decontamination and Removal <br /> The following procedures will be used for inspection,cleaning, and offsite removal of <br /> storage tanks used for temporary storage of purge water.These procedures are <br /> intended to be used for rented.portable tanks such as Baker Tanks or Rain for Rent <br /> containers. Storage tanks will be made of inert polyethylene materials. <br /> ' The major steps for preparing a rented tank for return to a vendor include <br /> characterizing the purge water, disposing of the purge water, decontaminating the <br /> tank,final tank inspection,and mobilization. Decontamination and inspection <br /> ' procedures are describe in further detail below. <br /> • Tank Cleaning: Most vendors require that tanks be free of any sediment and <br /> ' water before returning, a professional cleaning service may be required. Each <br /> 0%sop4"r?tefot�soon 200&Ve minews he dlrq nM owsye Aon <br /> 1 <br />