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Drilling Method <br /> z <br /> HSA- Hollow Stem Auger <br /> CFA - Continuous Flight Auger <br /> Air- Reverse air circulation <br /> Sampling Method <br /> S&H - Modified split-spoon sampler(2-inch diameter) <br /> driven a minimum 18 inches by a 140-pound <br /> hammer with a drop of 34 inches "P" designates <br /> a push by the drill ng to collect the soil sample <br /> Distrubed - Sample taken from the drill-return materials as they surfaced <br /> Shelby - Shelby Tube thin-walled sampler (3-inch diameter), where sampler <br /> pushed by the drill ng <br /> First encountered groundwater <br /> Sample recovery interva Sample retained for <br /> VStatic groundwater level for chemical analysis <br /> Nonrecovery <br /> sample interval <br /> Consistency of Cohesive Soils Density of Granular Soils <br /> 0-2 very soft 0-4 very loose <br /> 2-4 soft 4-10 loose <br /> 4-8 medium stiff 10-30 medium dense <br /> 8-16 stiff 30-50 dense <br /> 16-32 very stiff >50 very dense <br /> >32 hard <br /> rs i�r <br /> `i Tbuchstone WELL LOG <br /> Developments KEY TO ABBREVIATIONS <br /> Environmental Management <br />