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 16.7 5.6 2.5 12.1 26.9 36.2 SIEVE PERCENT SPEC.* PASS? Material Description SIZE FINER PERCENT (X=NO) Dark Brown 2 100.0 1.5 83.3 1 83.3 .75 83.3 Atterberg Limits PL= LL= PI= .5 81.6 .375 80.5 Coefficients #4 77.7

Coefficients #4 77.7 D90= 43.8325 D85= 39.8687 D60= 0.3609 #10 75.2 D50= 0.2313 D30= D15= #30 67.7 D10= C u= Cc= #40 63.1 Classification #60 51.7 USCS= AASHTO= #100 42.1 #200 36.2 Remarks * (no specification provided) Sample Number: TP-19 ST-3 0.33' 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

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