19-23 Proposal_55 Lakeside Avenue-REV.pdf

F:\2021\21-1041 - Township of West Orange Phase I ESAs Downtown Corridor\Proposal\Additional Remedial Investigation - 55 Lakeside\RI Proposal_55 Lakeside Avenue-REV.docx 3 o Soil Boring 10-1E - Horizontal delineation of TCE east of soil boring 10-1 o Soil Boring 3A-3 - Horizontal delineation of Metals east of soil boring 3A-1 • AOC-3B – Shipping Shed (See Figure 4A-3); o Soil Borings SB-15R, SB-15E, SB-15S, and SB-15W - Vertical and horizontal delineation of TCE to the east, south, and west of SB-15 o Horizontal delineation of TCE to the north of SB-15 was achieved by soil boring AOC5B-5. • AOC-10 – Historic Fill at Upper Parking Lot (See Figure 4D); o Soil Boring SB-1R – Vertical delineation of TCE at soil boring SB-1 o Soil Boring SB-28 – Horizontal delineation of TCE to the west of soil boring SB-1 o Soil Boring SB-29 – Horizontal delineation of TCE and mercury to the east of soil boring SB-1 and horizontal delineation of metals to the west of soil boring SB-2W o Soil Boring SB-2WR – Vertical delineation of metals at soil boring SB-2W o Soil Boring AOC10-14R – Shallow samples and Vertical delineation of PAHs and Metals at soil boring AOC10-14 o Soil Borings AOC10-25 and AOC10-26 – Horizontal delineation of TCE, PAHs, and metals to the west and north of AOC10-24 and AOC10-21, respectively • AOC-12A – Former Oil House (See Figure 4F-1); o Soil Boring AOC12A-10 – Horizontal delineation of TCE to the west of soil boring AOC12A-9 • AOC-16 – Dumpster Area (See Figure 4H); and o Soil Boring AOC16-5 – Horizontal delineation of TCE to the west of soil boring AOC16-2 o Soil Boring AOC16-2R – Vertical delineation of TCE at soil boring AOC16-2 • AOC-24 – Co-Jac Finishers Hazardous Material Storage and Handling Area (See Figure 4K) o Soil Boring AOC24-1R – Vertical delineation of TCE and metals at soil boring AOC24-1 o Soil Borings AOC24-2, AOC24-3, and AOC24-4 – Horizontal delineation of TCE and metals to the east, north, and west of soil boring AOC24-1 o Please note horizontal delineation to the south was completed by soil boring AOC16-1 The soil samples will be analyzed for either Chlorinated Volatile Organic Compounds (CVOC), Semi-Volatile Organic Compounds (TCL SVOC+15), and/or Target Analyte List Metals (TAL Metals), as required. For QA/QC purposes, one field blank per field day, and one trip blank per mobilization will also be collected. All samples will be

VOC+15), and/or Target Analyte List Metals (TAL Metals), as required. For QA/QC purposes, one field blank per field day, and one trip blank per mobilization will also be collected. All samples will be analyzed by a New Jersey certified laboratory on a standard turnaround time basis. The borehole will be backfilled with soil cutting collected and ground surface shall be patched with asphalt patch. Please note Matrix will collect contingent delineation samples at a few locations based on field screening and only run if the initial delineation samples identified above exceed the applicable NJDEP Soil Remediation Standards. Projected costs assume one two-day mobilization for soil investigations. Interior Soil Sampling AOC-2B Additional interior soil samples will need to be collected to complete delineation. Up to six interior soil samples will be collected from beneath the building slab and analyzed for CVOCs and/or TAL Metals. A breakdown of the interior soil borings per AOC are as follows: • AOC-2B – 500-gallon xylol UST and Associated Pump (See Figure 4B-2)