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Dunn <br /> ENVTNONMEN rAI„INC <br /> FF� <br /> FIELD DATA SHEET <br /> &WELL DEVELOPMENT SHEET <br /> DE PROJECT NUMBER: 109-06 <br /> SITE: City of Riverbank Wastewater Treatment Plant PAGE 2 of 2 <br /> SAMPLING EVENT: OTHER: Initial Sampling <br /> MONITORING GROUP: QUARTERLY SEMIANNUAL ANNUAL <br /> FIVE YEAR OTHER: <br /> Sample Location: MW-11 Date: 5/4/06 <br /> Sample Media: GW X SW Leachate Other <br /> Sampler(s): Jaco Fourie <br /> Depth to Water: 23.15 ft. Well Depth: 39.85 ft. Well Diam.: in. <br /> Well Casing Volume: 8.35 gal. Purge Volume: 25.105 gal. (3x WCV) <br /> Purge Start Time: Purge Rate: 2.5 gpm <br /> Equipment used to purge: Super Twister Equipment used to sample: Super Twister <br /> Temperaturetance Approximate Gallons <br /> Specific Conductance Time C) pH Turbidity (NM (pmhonduc (m&/L) Purged <br /> 11:28 19.0 6.55 44.1 1017 10.0 <br /> 11:33 18.8 6.57 16.7 996 20.0 <br /> 11:35 17.3 6.64 9.53 1005 25.0 <br /> Sample Collection Time: 11:45 VOC collection Rate: Bailer ml/min. <br /> Duplicate QC Sample Collected? NO YES X Duplicate ID: MW-30(13:00) <br /> Additional Analyses: <br /> Weather Conditions: Sunny and warm <br /> Notes: No odor detected <br />