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KEY TO BORING LOG <br /> c rn <br /> Ly ` J <br /> U Description/Soil Classification <br /> Ln.0 n <br /> a „ n E E (Color,Texture, Structures) <br /> Q, o <br /> 0 3U a n cn z cD <br /> 0 4 inches asphalt <br /> Brown clayey sand (medium dense, dry, <br /> 2 slight product odor) <br /> a � A <br /> 4 72 (grades moist) <br /> 10 15 'SI <br /> (moderate product odor) <br /> 6 T Encountered water 7/12/86 (1430) <br /> STREET BOX <br /> CEMENT GROUT SEAL <br /> '-BENTONITE SEAL <br /> WELL CASING <br /> SAND/GRAVEL PACK <br /> WELL SCREEN <br /> 10 ORGANIC VAPOR CONCENTRATION DETERMINED BY PHOTO IONIZATION <br /> DETECTOR (PI.D.) IN PARTS PER MILLION (ppm) FROM SOIL SAMPLES <br /> A SAMPLE IDENTIFICATION <br /> 2 BLOW COUNTS TO DRIVE A SPLIT BARREL SAMPLER USING A 1401b. <br /> IS HAMMER FALLING 30 INCHES. COUNTS ARE FOR EACH 6 INCH <br /> INCREMENT THE SAMPLER IS DRIVEN. <br /> INTERVAL SAMPLED <br /> ■ SAMPLE INCREMENT RETAINED FOR LABORATORY ANALYSES <br /> SC, SOIL CLASSIFICATION GRAPHIC/SYMBOL (SEE UNIFIED SOIL <br /> CLASSIFICATION SYSTEM). <br /> y DEPTH TO WATER, DATE, TIME <br /> GROUNDWATER <br /> "` TECHNOLOGY <br />