Laserfiche WebLink
G-R Field Methods and Procedures <br /> recorded as reconnaissance data only. GR does not consider field screening techniques to be <br /> verification of the presence or absence of hydrocarbons. <br /> Storing and Sampling of Soil Stockpiles <br /> Excavated material is stockpiled on and covered with,plastic sheeting. Stockpile samples are . <br /> collected and analyzed for disposal classification on the basis of one composite sample per 100 cubic <br /> yards of soil. Stockpile samples are composed of four discrete soil samples, each collected from <br /> an arbitrary location on the stockpile. The four discrete samples are then composited in the . <br /> laboratory prior to analysis. <br /> Each discrete stockpile sample is collected by-removing the upper 12 to 18 inches of soil, and them <br /> driving the stainless steel or brass sample tube into the stockpiled material with a•mallet or drive <br /> sampler. The sample tubes are then covered on both ends with teflon sheeting, capped, labeled, <br /> and placed in a cooler with blue ice for preservation. A chain-of-custody form is initiated in the <br /> field and accompanies the selected soil samples to the analytical laboratory. Stockpiled soils are <br /> covered with plastic sheeting after completion of sampling, <br /> A-2 <br />