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3 <br /> HY®ROPUNCH® I and i II SCHEMATICS <br /> SAMPLE CHAMBER SAMPLE CHAMBER <br /> INLET CHECK <br /> VALVE <br /> INLET CHECK BALL <br /> REPLACEABLE <br /> S.S.SCREEN <br /> HYDROCARBON <br /> BAILER <br /> SAMPLING <br /> ZONE <br /> REPLACEABLE SCREEN <br /> TZ <br /> S.S.SCREEN <br /> EXPENDABLE EXPENDABLE <br /> PERMANENTLY POINT POINT k <br /> ATTACHED POINT <br /> GROUND WATER HYDROCARBON <br /> MODE MODE <br /> HydroPanch®I Hydroftnch®II <br /> • Collects ground water samples only • Collects floating layer and ground water <br /> (not floating layer) • Replaceable cones and screens are left in <br /> • Permanently-attached drive cone and screen ground (note:screens may be retrievable) <br /> (leaves nothing in the ground) • Stronger for tough duty; used with drill ring <br /> • Can be used with cone penetrometer or drill rig <br /> N7400F.003 <br />