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 2.1 4.7 2.3 8.0 11.8 71.1 SIEVE PERCENT SPEC.* PASS? Material Description SIZE FINER PERCENT (X=NO) Yellowish Brown 1 100.0 .75 97.9 .5 96.0 .375 95.1 Atterberg Limits PL= LL= PI= #4 93.2 #10 90.9 Coefficients #30 85.1

Coefficients #30 85.1 D90= 1.5925 D85= 0.5933 D60= #40 82.9 D50= D30= D15= #60 78.0 D10= C u= Cc= #100 74.5 Classification #200 71.1 USCS= AASHTO= Remarks * (no specification provided) Sample Number: TP-21 ST-1 1.67' 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

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