Laserfiche WebLink
standard buffer and conductivity standard The wells recovered to more than 90 percent of <br />' the static water level within 5 minutes of turning off the pump The groundwater purged <br /> from the wells was temporarily stored in 17-E, steel, 55-gallon liquid waste drums <br /> approved for this use by the Department of Transportation <br /> Hydrochloric acid (or other appropriate chemical) was added to the sample vials as a <br /> preservative A sample of the formation water then was collected from the surface of the <br />' water in each of the wells with a disposable clean Teflon bailer and slowly transferred to <br /> laboratory cleaned sample containers <br />' Water Sample Labeling and Handling <br />' Water samples were preserved in laboratory cleaned, 40-milliliter glass vials that contained <br /> concentrated hydrochloric acid as a preservative The water samples were sealed with <br /> Teflon-lined lids to elimJnate air bubbles The sample containers were labeled in the field <br />' with the site identification, monitoring well number and depth, and date, and promptly <br /> placed in iced storage for transport to the laboratory The technician or geologist initiated <br /> chain-of-custody records in the field that accompanied the samples to a laboratory <br /> certified by the State of California for the analyses requested Samples were transported to <br /> the laboratory promptly Samples in our custody were properly disposed of after their <br /> useful life had expired <br /> 1 <br /> SAON 1PJOIOF9010F900020 4cs-95 PAS 2 A-3 Rev 0 8/22/95 <br />