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l <br /> GRAVEL SAND SILT CLAY <br /> Coarse Fine Coarse Medium Fine <br /> U.S. STANDARD SIEVE SIZES <br /> 3/4" <br /> 3" 1-1/2" i 5/8" 3/8" #4 #10 #20 #40 #60 #100 #200 <br /> 1001 \ I I I II I I <br /> I <br /> 90 , I <br /> 80 <br /> I- <br /> = <br /> LU 70 I I <br /> I I , <br /> >- B0 .. I <br /> CO <br /> W 50 - <br /> z <br /> LT <br /> F- 40 <br /> Z <br /> W <br /> 0 <br /> 0 30 I , <br /> Lu <br /> a- <br /> 20 d 1 I <br /> 10 A <br /> I . � <br /> . I I �r <br /> 0 I I <br /> 50 10 5 1 0.5 0.1 0.05 0.01 0.005 0.001 0.0005 <br /> GRAIN SIZE IN MILLIMETERS <br /> % Gravel Sand I Silt Clay <br /> SYMBOL SAMPLE DEPTH(ft) CLASSIFICATION OF SOIL-ASTM D2487 Group Symbol and Name MC D90 D60 jII D10 a % % ova <br /> f TP-2 I S-1 4.0-5.0 (SP)Dark yellowish brown,Poorly graded SAND with gravel 6 14.74 1.39 10.1820 24.4 70.8 3.7 I 1.1 <br /> ■ TP-4 S-2 6.0-7.0 (SP-SM)Dark yellowish brown,Poorly graded SAND with silt and gravel 4 15.78 0.94 10.1649 24.4 68.9 5.7 1.1 <br /> ♦ TP-7 I S-3 7.5-8.5 (SP-SM)Dark yellowish brown.Poorly graded SAND with silt and gravel 4 11.57 0.56 0.1383 16.6 76.8 i 5.6 1.0 <br /> 1 <br /> EI Laboratory Testing for Liu & Associates PARTICLE-SIZE ANALYSIS <br /> OF SOILS <br /> Everett YMCA <br /> METHOD ASTM D422 <br /> H.WAGEOSCIENCES INC. Liu & Associates Project Number 15-089 <br /> PROJECT NO.: 2012-025 T7400 FIGURE: 1 <br /> HWA GRSZ D90-060.010 2012-025 T7400.GPJ 912115 1 'L A-r e AI- <br />