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STAND$14 OPERATING PROCEDURES <br /> ' n SOP NO.,005, REVISION 0 <br /> COLLECTION OF HYDROPUNCHe SAMPLES 1 <br /> PAGE 3 OF 3 <br /> i <br /> When driving the H dropunch(&, never exceed 30 blow counts per 6 Inches. <br /> • g Y <br /> • It is important not to force the Hydropunch® into the subsurface since this may <br /> severely damage the tool: The stainless steel Hydropunch® is susceptible to bending, <br /> Before disassembling the Hydropunch®for cleaning, rinse any dirt/sand from the unit <br /> to prevent the dirt from locking or galling the stainless steel threads. <br /> 5.51 REFERENCES <br /> J <br /> Groundwater Sampling with the Hydropunch, USEPA, October, 1989. <br /> 1. <br /> Opeeating the Hydropunche Groundwater Sampling System, QED Environmental Systems Inc. <br /> .OP-005 <br /> - 02/05/94 <br /> EI E <br />