2026 02 12 Crestmont CC and Eagle Rock Ave Stormwater Management Report

Particle Size Distribution Report 1½ in. 3/8 in. ¾ in. ½ in. #100 #140 #200 6 in. 3 in. 2 in. 1 in. #10 #20 #30 #40 #60 #4 100 90 80 70 PERCENT FINER 60 50 40 30 20 10 0

60 50 40 30 20 10 0 100 10 1 0.1 0.01 0.001 GRAIN SIZE - mm. % Gravel % Sand % Fines % +3" Coarse Fine Coarse Medium Fine Silt Clay 0.0 21.9 1.8 1.5 4.6 10.2 60.0 SIEVE PERCENT SPEC.* PASS? Material Description SIZE FINER PERCENT (X=NO) Strong Brown 2 100.0 1.5 84.6 1 81.4 .75 78.1 Atterberg Limits PL= LL= PI= .5 78.1 .375 77.7 Coefficients #4 76.3

Coefficients #4 76.3 D90= 43.0891 D85= 38.5386 D60= #10 74.8 D50= D30= D15= #30 71.8 D10= C u= Cc= #40 70.2 Classification #60 66.9 USCS= AASHTO= #100 64.2 #200 60.0 Remarks * (no specification provided) Sample Number: TP-11 ST-1 1.75' Date: 4-29-25 RSA Geolab Client: Langan Engineering Project: Eagle Rock Ave. Widening Project, West Orange, NJ Proj.#101049802 Union, New Jersey Project No: 869 Figure Tested By: SP

New Jersey Project No: 869 Figure Tested By: SP Checked By: KP