J_2024 05 09_West Orange Stormwater Management Plan

Summary of pH, Sulfate and Chloride Ion Testing Proposed West Orange Switching Improvements West Orange, Essex County, New Jersey PSE&G Boring Depth SBH-1 SBH-1 SBH-1 SBH-1 SBH-2 SBH-2 SBH-2 SBH-2 SBH-3 SBH-3 SBH-3 SBH-3 SBH-3 SBH-3 SBH-3 SBH-4 SBH-4 SBH-4 SBH-4 SBH-5 SBH-5 SBH-5 SBH-5 SBH-5 SBH-5 SBH-5 TP-1 TP-2 3 5 9 12 3 5 6 8 3 5 8 10 15 20 25 3 5 10 14 4 8 10 11 14 20 25 3 3 Summary of Soil Box and pH Testing Resistivity<l> Soil Type ohm-cm 7,180 Clayey Silt 8,700 Clayey Sand 4,750 Clayey Sand 1,200 Clayey Sand 7,280 Clayey Silt 7,440 Silty Clay 6,740 Silty Clay 7,460 Clayey Sand 9,620 Silty Clay/Clayey Sand 10,300 Clayey Sand 6,440 Clayey Sand 5,630 Clayey Sand 2,290 Silty Sand with Clayey Silt Layers 2,850 Highly Decomposed Basalt 5,730 Highly Decomposed Basalt 5,230 Clayey Silt/Clayey Sand 6,010 Clayey Sand 7,370 Clayey Sand 1,360 Highly Decomposed Basalt 10,700 Clayey Sand Fill 7,950 Clayey Sand Fill 2,040 Silty Clay Silty Clay 2,100 Clayey Sand 3,120 Clayey Sand 3,620 Highly Weathered Basalt Clayey Sand Clayey Sand pH 4.7 5.0 5.2 5.3 5.6 5.3 5.0 5.3 5.4 5.4 5.8 6.3 6.2 6.2 6.4 6.4 6.7 6.9 6.8 6.9 6.8 6.6 6.9 6.9 7.4 7.4 7.2 7.2 (l)Soil box test performed at in-situ moisture Boring SBH-1 SBH-2 SBH-3 SBH-4 SBH-5 Depth 2.5 2.5 2 2 2 Summary of Sulfate and Chloride Ion Testing Sulfate (ppm) Soil Type Clayey Silt ND Clayey Silt ND ND Silty Clay ND Clayey Silt ND Clayey Silt Chloride (ppm) 52.4 103 ND ND ND ND =» Analyzed for but not detected at the method detection limit MELICK-TULLY AND ASSOCIATES, P.C. Job No. 5165-243*1D Plate 8