WORK PLANS - Laserfiche WebLink

Home Browse Search

I , fl 1 1 1 7.0 CHAIN -OF -CUSTODY Chain -of -Custody procedures will be used to identify and ensure traceability of the samples collected. These procedures will also be used to document the handling and shipping procedures of the sample(s). Specifically, the Chain -of -Custody procedures will trace the sample(s) from collection, through all custody transfers, and finally to the storage facility or the analytical laboratory, where the laboratory,s internal procedures will govern until final disposition of the samples. This information will be recorded on the Chain -of -Custody form which will remain with the samples at all times. Proper taping, locking, and sealing procedures shallbe used for a to prevent or detect tampering of the samples. The Chain -of -Custody form(s) will be packaged lot of samples (i.e., more than one sample will most likely be recorded on a single form). If all of the samples in a given lot cannot be recorded on a single Chain -of -Custody form, an additional form(s) will be used. 8,0 WASTE DISPOSAL PLAN This section provides guidelines for handling materials generated during the field activities associated with this investigation. All soils brought to the surface will be placed on, and covered with, 6 -mil plastic sheeting. The soil piles within the plastic sheeting will be labeled with the soil boring I.D. number(s), date, and nature of the contents. All soil will remain on-site and remediated as part of the R&D project. om The water collected during steam cleaning operations, as sll as ling procedures, wie water removed ll be stored the temporary wells during well purging and groundwater g1abamp on-site in sealed DOT -approved 55 -gallon drums. The drums will be labeled with the monitoring well I.D. number(s), date, and nature of the contents. All drummed liquids will be sampled and properly disposed of based on the analytical results. California Uniform Hazardous Waste manifests will be completed by PG&E as required for the transportation and disposal of any hazardous waste that may be generated during the s will be conducted in accordance with federal, state, and investigation. Disposal of all waste local regulations. 1 402_331-95_63 A-7