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i <br /> PA <br /> E <br /> �y <br /> SAMPLING <br /> "^ All soil and groundwater samples will be properly <br /> labeled with project number, date collected, and sample <br /> identification number. All samples will be handled using <br /> standard chain-of--custody procedures. Field records will <br /> document the above information and other significant data, <br /> 1 <br /> such as names of on-site personnel, sampling methods, date <br /> j.J and time of sampling, the number of well volumes removed <br /> ,.7 <br /> before sampling, and any preservatives added or filtration <br /> performed on samples. <br /> The samples will be refrigerated and packaged <br /> immediately for delivery to the laboratory, and will, under <br /> 14 no circumstances, be opened by anyone other than qualified <br /> laboratory personnel. Chain-of-Custody records will be <br /> I" maintained at all times. <br /> Samples will be analyzed by a laboratory specifically <br /> certified by the C—ifornia Department of Health Services to <br /> perform the analysis requested. Samples will not be tested <br /> after their sample life has been exceeded (according to EPA <br /> guidelines) , and will be properly disposed of after analysis. <br /> SOIL SAMPLING <br /> All soil sampling equipment will be thoroughly steam- <br /> cleaned before sampling and between sampling to prevent <br /> cross--contamination. Relatively undisturbed soil samples <br /> — - ------- -- -- - will-be-taken-at--intervals--of- not-more-than-five-feet,--in --- - <br /> order to evaluate the subsurface materials; however, this <br /> sampling interval may be waived in saturated sands or gravels <br /> PAGE 4 <br /> las - - <br /> i <br /> tas <br />