Sieve Analysis $-$ Percent Passing

$\backslash$table$[[,$Soil$],[$Sieve No$.,$A$,$B$,$C$,$D$,$E$,$F$,],[4,100,100,95,95,100,100,],[10,95,80,80,90,94,94,],[40,82,61,54,79,76,86,],[200,65,55,8,64,33,76,],[$Liquid limit$,42,38,$NP$*,35,38,52,],[$Plastic limit$,26,25,$NP$,26,25,28,],[NP=$ nonplastic,,,,,,,$]]$

$2\mathrm{.}7$ Classify the soils given in Problem $2\mathrm{.}6$ by the Unified Soil Classification System and determine the group symbols and group names.