Laserfiche WebLink
1 <br /> ARCADIS SOP: Investigation-Derived Waste Handling and Storage 10 <br /> Rev.#:2 1 Rev Date: March 6,2009 ' <br /> outside of the site or when Client or ARCADIS has knowledge of a spill that has <br /> reached surface water, Client or ARCADIS must immediately notify the National ' <br /> Response Center(800-424-8802)in accordance with 40 CFR§262.34. Other <br /> notifications to state agencies may also be necessary. <br /> Drilling Soil Cuttings and Muds ' <br /> Soil cuttings are solid to semi-solid soils generated during trenching activities, <br /> subsurface soil sampling, or installation of monitoring wells. Depending on the drilling ' <br /> method, drilling fluids known as"muds"may be used to remove soil cuttings. Drilling <br /> Fluids flushed from the borehole must be directed into a settling section of a mud pit. , <br /> This allows reuse of the decanted fluids after removal of the settled sediments. Soil <br /> cuttings will be labeled and stored in 55-gallon drums with bolt-sealed lids. <br /> Excavated Solids ' <br /> Excavated solids may include, but are not limited to soil,fill and construction and <br /> demolition debris. Excavated solids may be temporarily stockpiled onsite as long as ' <br /> the'material is a RCRA non-hazardous waste and the solids will be treated onsite <br /> pursuant to a certified, authorized, or permitted treatment method, or properly <br /> disposed off-site. Stockpiled materials characterized as hazardous must be ' <br /> immediately containerized and removed from the site within 90 days of generation <br /> (except for soils using satellite accumulation). Excavated solids should be stockpiled <br /> and maintained in a secure area onsite. At a minimum, the floor of the stockpile area ' <br /> will be covered with a 20-mil high density polyethylene liner that is supported by a <br /> foundation or at least a 60-mil high density polyethylene liner that is not supported by a <br /> foundation.The excavated material will not contain free liquids.The owner/operator ' <br /> will provide controls for windblown dispersion, run-on control, and precipitation runoff. <br /> The run-on control system will prevent flow onto the active portion of the pile during <br /> peak discharge from at least a 25-year storm and the run-off management system will ' <br /> collect and control at least the water volume resulting from a 24-hour, 25-year storm <br /> (EPA, 1992).Additionally,the stockpile area will be inspected on a weekly basis and <br /> after storm events. Individual states may require that the stockpile be ' <br /> inspected/certified by a licensed professional engineer. Stockpiled material will be <br /> covered with a 6-nil polyvinyl chloride(PVC)liner.The stockpile cover will be secured <br /> in place with appropriate material(concrete blocks,weights, etc.)to prevent the ' <br /> movement of the cover. Excavated solids may also be placed in roll off containers and <br /> covered with a 6-mil PVC liner pending results for waste characterization. <br /> 1 <br /> glaepQraFy4efomvftd em 20061pemralwm%f 3361M4rwerge:ordeOmd aeeta hwdfnq as aoc <br /> 1 <br />