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 9.0 7.8 3.2 9.8 19.3 50.9 SIEVE PERCENT SPEC.* PASS? Material Description SIZE FINER PERCENT (X=NO) Yellowish Brown 1.5 100.0 1 91.0 .75 91.0 .5 86.9 Atterberg Limits PL= LL= PI= .375 86.0 #4 83.2 Coefficients #10 80.0

Coefficients #10 80.0 D90= 16.6181 D85= 7.0062 D60= 0.1887 #30 73.4 D50= D30= D15= #40 70.2 D10= C u= Cc= #60 63.7 Classification #100 57.3 USCS= AASHTO= #200 50.9 Remarks * (no specification provided) Sample Number: TP-1 S-1 24-36" Date: 5-24-24 RSA Geolab Client: Langan Engineering Project: Eagle Rock Ave Widening Project, West Orange, NJ Project#101049801 Union, New Jersey Project No: 869 Figure Tested

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