Laserfiche WebLink
ENVIRONMENTAL <br /> ANALYTICAL CHEMISTS <br /> FGL ENVIRONMENTAL <br /> GROUNDWATER SAMPLING & PURGE LOG <br /> Date: 2010/05/03 LabID# STK1033632 Client: City of Lathrop GWMW <br /> Tech. Name: Ken Moffitt Project Name/No: Annual <br /> Well No: KMW-1 Well Completion Depth: 27.60 ft. <br /> Depth to Water(sounded depth): 8.48 ft. Reference Point: North Side Top Casing <br /> Height of Water Column: 19.12 ft. Casing Diameter: 4 in. <br /> Casing Volume: 12.42 gal = Height of Column x Volume/ft. (2"=0.163, 4"=0.650, 6"=1.43 gal/ft) <br /> Amount to be purged: 37.26 gal = Casing Volume x 3 (volumes required) <br /> Purge Rate: 2.00 gal Purge Method: P10250 <br /> Time Purge Vol Gal pH EC Temp °C ORP Turb Comments <br /> umhos/cm mV <br /> 1059 Start <br /> 1105 12.00 6.98 3792 17.00 Clear <br /> 1111 24.00 6.98 3674 17.00 <br /> 1118 38.00 6.98 3673 17.00 <br /> 1119 Sampled <br /> 1121 Finished <br /> Total Purge Time: 19 Minutes Total Purge Volume: 38 gal <br /> Recharge Depth:8.50 ft. Time:1126 Sampling Method: Discharge directly from pump <br /> Decontamination Procedure: <br /> Cleaned at Laboratory prior to use and disinfected in field <br /> Notes: <br /> Corporate Offices&Laboratory Office&Laboratory Office&Laboratory Field Office <br /> 853 Corporation Street 2500 Stagecoach Road 563 E.Lindo Avenue Visalia,California <br /> Santa Paula,CA 93060 Stockton,CA 95215 Chico,CA 95926 TEL:559/734-9473 <br /> TEL:805/392-2000 TEL:209/942-0182 TEL:530/343-5818 Mobile:559/737-2399 <br /> FAX:805/525-4172 FAX:209/942-0423 FAX:530/343-3807 FAX:559/734-8435 <br /> CA NELAP Certification No.01110CA CA ELAP Certification No.1563 CA ELAP Certification No.2670 <br />