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Construction Technical Services, Inc. <br />HA 01-012, Misc. Lab (27630-003) 10-Jan-02 <br />25th Ave. Slurry Wall -Greeley Reported by: <br />Atterberg QC check per request of client (Jay Davenport) <br />Original samples oven dried, tested Method B (single point) <br />Retest samples air dried, tested Method B (single point) <br />Sample ID LL PL PI Class <br />974 TP-16 47 23 24 CL <br />974a 49 22 27 CL <br />CTS Range, multiple operator Method B (single point): 2 1 3 <br />ASTMRange, single operator Method A (3 point): 2 4 4 <br /> <br /> <br />975 TP-18 25 21 4 *CL-ML (fines = ML) <br />975a 26 20 6 SM (fines = ML) <br />CTS Range, multiple operator Method B (single point): 1 1 2 <br />ASTMRange, single operator Method A (3 point): 4 3 S <br /> <br /> <br />976 TP-20 NV NP NP ML <br />976a 29 24 5 ML <br />CTS Range, multiple operator Method B (single point): n/a n/a 5 <br />ASTMRange, single operator Method A (3 point): 4 3 ~ <br /> <br /> <br />977 TP-22 NV NP NP ML <br />977a 27 25 2 ML <br />CTS Range, multiple operator Method B (single point): n/a n/a 2 <br />ASTMRange, single operator Method A (3 point): 4 3 S <br /> <br /> <br />Note: 25% of labs included in ASTM Precision *Erroneously Reported <br />statements performing this test procedure by Method A, <br />Wet Preparation (soil air dried) reported ML soils as Non <br />Plastic (NP). <br />