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 16.9 9.2 3.9 10.5 21.7 37.8 SIEVE PERCENT SPEC.* PASS? Material Description SIZE FINER PERCENT (X=NO) Strong Brown 1.5 100.0 1 83.1 .75 83.1 .5 80.0 Atterberg Limits PL= LL= PI= .375 77.9 #4 73.9 Coefficients #10 70.0

Coefficients #10 70.0 D90= 31.4271 D85= 27.5989 D60= 0.4425 #30 63.4 D50= 0.2162 D30= D15= #40 59.5 D10= C u= Cc= #60 51.9 Classification #100 45.6 USCS= AASHTO= #200 37.8 Remarks * (no specification provided) Sample Number: TP-17A U-1 0.5-1.25' Date: 7-18-25 RSA Geolab Client: Langan Engineering Project: Eagle Rock Ave Widening, West Orange, NJ Project#101049802 Union, New Jersey Project No: 869 Figure Tested By: JK

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