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, • <br /> • <br /> U.S.SIEVE OPENING IN INCHES I U.S.SIEVE NUMBERS I HYDROMETER • <br /> . 4 6 3 2 1.5 1 1/2, 8 14 20 40 3 6 10 16 30 50 100140 200 <br /> 3 4 , .. 60 • <br /> t - 100 I I I . 1 1'11 I 11 <br /> z--, <br /> •i 4 <br /> a 95 <br /> o <br /> • <br /> -- a <br /> w <br /> ta 90u) .. <br /> a •= <br /> co 85 • <br /> • <br /> f (., <br /> ai .. <br /> 80 <br /> •w . <br /> ( f 0 <br /> 75 <br /> • <br /> , : 0 <br /> 0 <br /> rs.. ' .,b 65 . - <br /> co ,..._ 0 <br /> • <br /> • <br /> r ! • <br /> 9 <br /> 55 •u) co <br /> w <br /> 0 5c° Wz 50 , . - <br /> , LT_ <br /> •cc I- 45 - _ <br /> •. <br /> O W . <br /> iX 0 <br /> •40 : <br /> • <br /> o , • <br /> , . <br /> 2- 35 • 1 <br /> o <br /> .. . i= <br /> • <br /> I - <br /> •w <br /> z 25 <br /> _. <br /> • <br /> o <br /> z . <br /> \ <br /> = <br /> , o " j • <br /> f w . <br /> 1-- 15 : <br /> o - <br /> • <br /> w . <br /> i . <br /> , o : <br /> • <br /> ! o <br /> a <br /> : <br /> 5 <br /> 1- <br /> z • <br /> w <br /> 0 • <br /> a - <br /> o 100 10 1 0.1 0.01 0 001 • <br /> w <br /> > <br /> GRAIN SIZE IN MILLIMETERS •0 <br /> .. GRAVEL SAND <br /> 7, COBBLES SILT OR CLAY • <br /> r, 0 <br /> w coarse fine coarse medium fine <br /> • <br /> 1! w <br /> Specimen Identification Classification LL PL PI Cc Cu • <br /> ...- • B-2-07 32.5 ft. (SM)silty SAND <br /> , 0 <br /> F. m B-2-07 37.5 ft. (SP)poorly graded SAND 1.58 3.15 • <br /> , , 0 <br /> • w <br /> lo A B-2-07 42.5 ft. (SP)poorly graded SAND with gravel 0.68 6.16 • <br /> , ct <br /> 0. <br /> w <br /> w • <br /> 1 i , <br /> , ,' • 0 <br /> • <br /> 171 Specimen Identification 0100 060 030 010 %Gravel %Sand %Silt %Clay <br /> i , w <br /> cc <br /> t ,,-„• • B-2-07 32.5 ft. 9.525 0.208 0.106 0.1 83.2 16.7 • <br /> = <br /> M B-2-07 37.5 ft. 9.525 0.683 0.483 0.217 1.1 96.1 2.8 • <br /> E A B-2-07 42.5 ft. 19.05 1.824 0.607 0.296 17.0 81.5 1.5 <br /> • <br /> , > <br /> 11111 <br /> GRAIN SIZE DISTRIBUTION 0 <br /> 1 • <br /> Project: 36th Street Sewer Protection Project <br /> Project Location: Snohomish,Washington • <br /> •— w <br /> — 0 Project Number: 33758986 Figure B-2 <br /> • <br /> t ' URS <br /> 4 • <br /> • <br />