Laserfiche WebLink
' July 5, 1994 <br /> Job No 93036 <br /> Page A - 2 <br />' Decontamination <br />' Decontamination procedures were used to avoid cross-contanunation between wells All equipment <br /> which came in contact with the wells or the groundwater (including bailers, the water level meter, and <br /> the oil/water interface probe)was thoroughly cleaned before use with a non-phosphate detergent solution, <br /> then rinsed twice with potable water Used detergent solution and rise water were collected and stored <br /> on-site in properly labeled (Title 22 CCR § 66508) DOT-approved 55-gallon drums pending treatment <br />' in the on-site groundwater treatment system The bailer line was replaced with new nylon rope after the <br /> sampling of each well No part of the bailer or rope was allowed to come into contact with any <br /> potentially contaminated surface The decontamnnatron procedure was followed between each well <br />' sampled, and wells were sampled in the order of increasing contamination <br /> Quality Assurance <br /> Quality assurance samples used during this event included a travel blank and a method blank A Chain- <br /> of-Custody Record containing the project name and number, sample identification numbers, date and <br /> time of collection, number of containers, analysis requested, and verification of sample container <br /> temperature from time of sampling until delivery to the laboratory, was filled out and signed by field <br /> personnel, and accompanied the samples to the laboratory <br /> r <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> r <br /> r <br /> r <br /> COAIOCOV`3036`36QH2O94 RGA' <br /> &tH4u- Ae4 Etionee'i iwi at](; G0tI')i ta(,i ioti �,i, <br />