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1 <br /> DDC AIR SPARGE MONITORING SHEET �~ <br /> A site map is attached <br /> Check in with Hanan Fradkin, site contact <br /> Unlock well boxes and well plugs for monitoring points <br /> Measure depth to water in this order <br />' PZ1 b(s), ASI, AS1(s), AS1(d), PZ1 a(s), PZ1 a(d), PZ1 b(d) <br /> Measure dissolved oxygen in the same order <br /> Well ID DTW DO Is Dye Visible'? <br />' feet mg/1 yes/no <br /> ASI a <br /> AS1(s) y 2 <br />' AS1(d) Li Z? <br /> PZ1 a(s) a I <br /> PZ1 a(d) , <br /> PZ1 b(s) 42 <br /> PZ1 b(d) (,,,y, <br />' Purge piezometers of three casing volumes in the same order <br /> Collect groundwater samples the monitoring points and sample for <br /> TPHg/BTEX by80151 8020, oxygenates by 8260, & Rhodamine Dye <br /> Collect vapor sample from air sparge well AS1 and analyze for <br />' TPHgIBTEX by 8015/8020 and oxygenates by 8260 <br /> Groundwater dye samples go to Western Analytical in Salt Lake City, Utah <br /> Groundwater TPHgIBTEX and oxygenate sammples go to Argon in Ceres <br />' Vapor samples go to Sequoia in Sacramento <br /> Current Previous <br />' Parameter Reading Reading Observations <br /> Blower v-acutmt— $� <br /> Wellhead vacttttmv7 <br /> Flowrate (,,avr4v 3� <br /> Other notes• S 13`7, D <br /> U-1 uJ L. UL C = SS, <br />' Ca wells lock well caps and boxes secure the site <br /> Cap P , <br /> -0—A T Af <br /> �tnA- <br />