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f <br />'l <br /> Harding Lawson Assoelatos I <br /> i <br /> HyDROPUNCH SAMPLING PROGRAM <br /> Offsite Hydropunch <br /> Hydropunch Date <br /> Sample Collected <br /> Sampling Numbers <br /> Round <br /> August 2, 1991 <br /> 1 HP-12 through HP-17 <br /> 2 lip-IS through HP-25 <br /> August 9, 1991 <br /> August 13, 1991 C I 2 <br /> 3 Hp_26 through HP-30 / /1, <br /> � <br /> August 20, 1991 <br /> 4 HP-31 through HP-38 August <br /> S Hp-39 through HP-44 <br /> September 27,199 Z d <br /> collect a sample, the hydropunch sampler was attached to the drilling rods <br /> To co 15 feet <br /> and pushed from ground surface into the aquifer to a depth of.approximately <br /> BGS. The drilling rods and hydropunch sampler were then pulled up approximately <br /> five feet to expose the PVC hydropunch screen at an interval from 10 feet BGS to 15 <br /> r 1r Ar:� This allowed formation water to enter the hydropunch screen. A clean <br /> . _'r *,ntrl <br />