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e <br /> .w� <br /> the well is allowed to recharge. (Normal field measurements will be periodically <br /> recorded during the purging process.} In situations where recovery to 80% of static <br /> water level is estimated, or observed to exceed a two hour duration, a sample will be <br /> collected when sufficient volume is available for a sample for each parameter. At nc <br /> time will the well be purged dry so that the recharge rate causes the formation water ti <br /> cascade into the well, <br /> In wells where free-phase hydrocarbons are detected, the free-phase portionwill <br /> LN <br /> bailed from the well and the volume removed recorded. A groundwater sample when <br /> collected if bailing reduces the amount of free-phase hydrocarbons to the point <br /> they are not present in the well. Well sampling will be conducted using one of th <br /> aforementioned methods depending on the formation yield, However, if free-phas <br /> hydrocarbons persist throughout bailing, then a groundwater samples will not h <br /> collected. <br /> Groundwater sample containers are labeled with a unique sample number, locatior <br /> product name and number, and date of collection. All samples are logged into a chair <br /> of-custody form and placed in a chilled ice chest for shipment to a laboratory certifie <br /> by the State of California Department of Health Services. <br /> EXCELTECH,INC. <br /> Groundwater Sampling Protocol <br /> Latest Revision: March 28, 1990 <br /> irem�rru�r <br />