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T <br /> II, 1 <br /> 0 U.S.SIEVE OPENING IN INCHES I U.S.SIEVE NUMBERS I HYDROMETER <br /> • 0 6 4 3 2 1.5 1 4 1/23l8 3 6 810 t416 30 40 50 60 100140200 <br /> i oo I I I I I 1 I I I <br /> • 0 95 <br /> a 1 <br /> •' i <br /> 85 \ • <br /> 80 <br /> .` m <br /> O 75 . - \ <br /> 70 <br /> i <br /> N <br /> w 65 ' <br /> . F <br /> N <br /> • <br /> 60 . <br /> • <br /> ,- >- 55 <br /> w m <br /> o' <br /> z50 <br /> oz45 <br /> • 40 <br /> o w • <br /> 0 a . <br /> O 35 . <br /> • a <br /> 30 H <br /> N <br /> 114 W <br /> N <br /> 40'i ti <br /> 1 d , . . , . \ AN► <br /> U <br /> a. <br /> w <br /> m 0 <br /> O 100 10 1 0.1 0.01 0.001 <br /> w <br /> w GRAIN SIZE IN MILLIMETERS <br /> •` a COBBLES GRAVEL SAND SILT OR CLAY <br /> w coarse fine coarse medium fine <br /> • a Specimen Identification Classification LL PL PI Cc Cu <br /> • ' Z • B-2-07 2.5 ft. (SM)silty SAND with gravel <br /> m B-2-07 15.0 ft. (ML)SILT 40 27 13 2.02 16.75 <br /> A B-2-07 27.5 ft. (SM)silty SAND 5.97 14.18 <br /> •L W * B-2-07 30.0 ft. (SM)silty SAND <br /> r : <br /> IL Specimen Identification D100 D60 D30 D10 %Gravel %Sand %Silt %Clay <br /> x <br /> • • B-2-07 2.5 ft. 19.05 2.814 0.279 32.3 52.5 15.2 <br /> t CO B-2-07 15.0 ft. 2 0.027 0.009 0.002 0.0 10.7 89.3 <br /> • E A B-2-07 27.5 ft. 2 0.119 0.077 0.008 0.0 72.2 27.8 <br /> • z w * B-2-07 30.0 ft. 4.75 0.167 0.097 0.0 85.0 15.0 <br /> e c <br /> GRAIN SIZE DISTRIBUTION <br /> N Project: 36th Street Sewer Protection Project <br /> 0 <br /> a Project Location: Snohomish,Washington <br /> +`" 0 Project Number: 33758986 rRS Figure B-1 <br /> • <br /> •z,-; <br />