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 11.3 5.1 2.3 7.9 17.8 55.6 SIEVE PERCENT SPEC.* PASS? Material Description SIZE FINER PERCENT (X=NO) Strong Brown 2 100.0 1.5 92.9 1 88.7 .75 88.7 Atterberg Limits PL= LL= PI= .5 85.9 .375 85.5 Coefficients #4 83.6

Coefficients #4 83.6 D90= 31.5267 D85= 7.1542 D60= 0.1415 #10 81.3 D50= D30= D15= #30 76.3 D10= C u= Cc= #40 73.4 Classification #60 66.4 USCS= AASHTO= #100 60.5 #200 55.6 Remarks * (no specification provided) Sample Number: TP-20 ST-1 1.5' 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:

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