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EXPLANATION OF SYMBOLS ON <br /> EXPLORATORY BORING LOGS <br /> • Well Dltalla Column <br /> CONCRETE Is <br /> BENTONITE-CEMENT GROUT OR <br /> HEAT CEMENT GROUT SURFACE SEAL <br /> BENTON ITE <br /> WELL CASING <br /> WELL SCREEN <br /> FILTER PACK <br /> BENTONITE } 80TTDM SEAL <br /> } NATIVE MATERIAL SLOUGH <br /> • Sample Column <br /> SAG/BULK SAMPLES <br /> 4 FIVE-FOOT SPLIT BARREL SAMPLER (CONTINUOUS SAMPLER) <br /> MODIFIED CALIFORNIA SPLIT SPOON <br /> OTHER SAMPLERS (SEE REMARKS FOR TYPE AND SIZE) <br /> PITCHER BARREL <br /> ROCK CORE (SEE REMARKS FOR TYPE AND SIZE) <br /> SHELBY TUBE SAMPLER <br /> STANDARD PENETRATION TEST SPLIT SPOON SAMPLER (2" OD) <br /> (OVER) <br />