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Home My WebLink About03001_TerrellMachine_EMP_20210803_Rev2_2021.08.05 Environmental Management Plan Terrell Machine 3000-3030 South Boulevard Charlotte, Mecklenburg County, North Carolina 28209 Brownfields Project #03001-99-060 ATC Project #199L7D0001 Submittal Date: August 3, 2021 Prepared By: ATC Associates of North Carolina, P.C. 7606 Whitehall Executive Center Drive, Suite 800 Charlotte, North Carolina 28273 p: (704) 529-3200 / f: (704) 529-3272 www.atcgroupservices.com 7606 Whitehall Executive Center Drive Suite 800 Charlotte, NC 28273 Tel: (704) 529-3200 Fax: (704) 529-3272 www.atcassociates.com N.C. Engineering License No. C-1598 2 August 3, 2021 Ms. Sarah Hardison North Carolina Department of Environmental Quality Division of Waste Management – Brownfields Property Management Unit 1646 Mail Service Center Raleigh, North Carolina 27699-1646 Re: Environmental Management Plan (Revision 2) Terrell Machine Brownfields Project #03001-99-060 3000-3030 South Boulevard Mecklenburg County Parcel IDs 14702144 and 14702143 Charlotte, Mecklenburg County, North Carolina 28209 ATC Project #199L7D0001 Dear Ms. Hardison: On behalf of behalf of Lock7 Development (Lock7), the Prospective Developer (PD), ATC Associates of North Carolina, P.C. has prepared this Environmental Management Plan for the North Carolina Department of Environmental Quality (DEQ), Division of Waste Management (DWM), Brownfields Property Management Unit (Brownfields). Lock7 plans to redevelop two vacant parcels (Parcels 14702144 and 14702143) within the Terrell Machine Brownfields Property (Brownfields Property) located at 3000-3030 South Boulevard, Charlotte, Mecklenburg County. Lock7 plans to redevelop the parcels with condominiums for residential use. The Vapor Intrusion Mitigation System (VIMS) design was submitted under separate cover. Note that site development will be begin following receipt of appropriate local permits. A tentative schedule that involves the installation of the proposed VIMS is presented below, contingent on issuance of the local permits: Date Activity 10/1/21 Construction start date, site preparation and grading 10/15/21 Site preparation, grading, foundations and utilities 11/8/2021 Sub-slab vapor mitigation system installation 10/1/2022 Building Completion 11/1/2022 Certificate of Occupancy/Planned Occupancy Environmental Management Plan (Revision 2) August 3, 2021 Terrell Machine, Charlotte, NC, NCBF Project #03001-99-060 ATC Project # 199L7D001 3 Please let us know if you have any questions or comments regarding the attached EMP, VISM design, or schedule. Sincerely, ATC Associates of North Carolina, P.C. Al Quarles, P.G. Senior Project Manager cc: David Gorman, Lock7 Development Jordan Fox, Lock7 Development Environmental Management Plan (Revision 2) August 3, 2021 Terrell Machine, Brownfields Project #03001-99-060 ATC Project #199L7D0001 CONTENTS NCDEQ Brownfields EMP Form TABLE Table 1 Historical Soil Vapor Analytical Results FIGURES Figure 1 Vicinity Map Figure 2 Site Map Figure 3 Sample Location and Risk Calculator Map APPENDICES Appendix A Redevelopment Drawings and Plans, and Cut/Fill Report Appendix B Tables and Figures from Prior Assessment Reports Environmental Management Plan (Revision 2) August 3, 2021 Terrell Machine, Brownfields Project #03001-99-060 ATC Project #199L7D0001 NCDEQ BROWNFIELDS EMP FORM 1 EMP Version 2, January 2021 NORTH CAROLINA BROWNFIELDS PROGRAM ENVIRONMENTAL MANAGEMENT PLAN This form is to be used to prepare an Environmental Management Plan (EMP) for projects in the North Carolina Brownfields Program at the direction of a Brownfields project manager. The EMP is a typical requirement of a Brownfields Agreement (BFA). Its purpose is to clarify actions to be taken during the demolition and construction at Brownfields properties in an effort to avoid delays in the event of the discovery of new contamination sources or other environmental conditions. The EMP provides a means to document redevelopment plans and environmental data for each applicable environmental medium to inform regulatory-compliant decision-making at the site. As much detail as possible should be included in the EMP, including contingency planning for unknowns. Consult your project manager if you have questions. Prospective Developers and/or their consultants must complete and submit this form and all pertinent attachments, see checklist below, to their Brownfields project manager prior to any earthmoving or other development-related activities that have the potential to disturb soil at the Brownfields Property, including demolition. For the resultant EMP to be valid for use, it must be completed, reviewed by the program, signed by all parties working on the project, and approved by the Brownfields project manager. Failure to comply with the requirements of the EMP could jeopardize project eligibility, or in the event of a completed agreement, be cause for a reopener. The EMP is valid only for the scope of work described herein and must be updated to be applicable for new phases of redevelopment or after significant changes in applicable regulatory guidance. Voluntary Metrics Tab The NC Brownfields Program updates estimated capital investment (from the Brownfields Property Application) and estimated jobs created (from the Brownfields Agreement) whenever possible. As a voluntary measure, you may opt to complete the below information for capital investment and jobs created as estimated by your final redevelopment plans for the Brownfields Property: 1. Estimated capital investment in redevelopment project: Click or tap here to enter text. 2. Estimated jobs created: a. Construction Jobs: Click or tap here to enter text. b. Full Time Post-Redevelopment Jobs: Click or tap here to enter text. 2 EMP Version 2, January 2021 Table of Contents NORTH CAROLINA BROWNFIELDS PROGRAM ENVIRONMENTAL MANAGEMENT PLAN .......................... 1 GENERAL INFORMATION ................................................................................................................... 4 COMMUNICATIONS ........................................................................................................................... 4 NOTIFICATIONS TO THE BROWNFIELDS PROGRAM ............................................................................ 5 REDEVELOPMENT PLANS ................................................................................................................... 5 CONTAMINATED MEDIA .................................................................................................................... 7 PART 1. Soil .................................................................................................................................... 8 PART 2. GROUNDWATER ............................................................................................................. 18 PART 3. SURFACE WATER ............................................................................................................. 19 PART 4. SEDIMENT ....................................................................................................................... 19 PART 5. SOIL VAPOR .................................................................................................................... 20 PART 6. SUB-SLAB SOIL VAPOR .................................................................................................... 21 PART 7. INDOOR AIR .................................................................................................................... 22 VAPOR INTRUSION MITIGATION SYSTEM ......................................................................................... 23 CONTINGENCY PLAN – encountering unknown tanks, drums, or other waste materials .................... 23 POST-REDEVELOPMENT REPORTING ................................................................................................ 26 APPROVAL SIGNATURES .................................................................................................................. 27 3 EMP Version 2, January 2021 So that the EMP provides value in protecting brownfields eligibility and public health, the preparer shall ensure that the following steps have been completed prior to submitting the EMP for review. Any EMP prepared without completing these steps is premature. ☒ Site sampling and assessment that meets Brownfields’ objectives is complete and has been reviewed and approved by the Brownfields Project Manager. ☒ Specific redevelopment plans, even if conceptual, have been developed for the project, submitted and reviewed by the Brownfields Project Manager. Please submit, along with the completed EMP form, the following attachments, as relevant and applicable to the proposed redevelopment: ☒ A set of redevelopment plans, including architectural/engineering plans, if available; if not conceptual plans may suffice if updated when detailed plans are drafted. ☐ A figure overlaying redevelopment plans on a map of the extent of contamination for each media. ☒ Site grading plans that include a cut and fill analysis. ☐ A figure showing the proposed location and depth of impacted soil that would remain on site after construction grading. ☐ Any necessary permits for redevelopment (i.e. demolition, etc.). ☒ A detailed construction schedule that includes timing and phases of construction. ☒ Tabulated data summaries for each impacted media (i.e. soil, groundwater, soil gas, etc.) applicable to the proposed redevelopment. ☒ Figures with the sampling locations and contamination extents for each impacted media applicable to the proposed redevelopment. ☐ A full final grade sampling and analysis plan, if the redevelopment plan is final. ☐ If known, information about each proposed potential borrow soil source, such as aerial photos, historic site maps, historic Sanborn maps, a site history, necessary for brownfields approval. ☐ Information and, analytical data if required, for quarries, or other borrow sources, detailing the type of material proposed for importation to the Brownfields Property. 4 EMP Version 2, January 2021 ☐ A work plan for the sampling and analysis of soil to be brought onto the Brownfields Property. Refer to Issue Resolution 15 in Brownfields Program Guidelines. ☐ A map of the Brownfields Property showing the location of soils proposed for export and sampling data from those areas. ☒ If a Vapor Mitigation System is required by the Brownfields Program, the Vapor Intrusion Mitigation System (VIMS) plan will be signed and sealed by a NC Professional Engineer. The VIMS Plan may also be submitted under separate cover. GENERAL INFORMATION Date: 5/13/2021 Revision Date (if applicable): 8/3/2021 Brownfields Assigned Project Name: Terrell Machine Brownfields Project Number: 03001-99-060 Brownfields Property Address: 3000-3030 South Boulevard, Charlotte, NC 28209 Brownfields Property Area (acres): 3.404 total / 0.2543 for current redevelopment Is Brownfields Property Subject to RCRA Permit?.......................☐ Yes ☒ No If yes enter Permit No.: Click or tap here to enter text. Is Brownfields Property Subject to a Solid Waste Permit….……..☐ Yes ☒ No If yes, enter Permit No.: Click or tap here to enter text. COMMUNICATIONS A copy of this EMP shall be distributed to all the parties below as well as any contractors or site workers that may be exposed to site vapors, soil, groundwater, and/or surface water. Additionally, a copy of the EMP shall be maintained at the Brownfields Property during redevelopment activities. NOTE, THE EMP DOES NOT TAKE THE PLACE OF A SITE-SPECIFIC HEALTH AND SAFETY PLAN. Prospective Developer (PD): Lock7 Development Contact Person: Mr. David Gorman Phone Numbers: Office: 202-759-0905 Mobile: Click or tap here to enter text. Email: david@lock7.com Contractor for PD: Hendrick Construction Inc. Contact Person: George Lapin Phone Numbers: Office: 704-887-0280 Mobile: 704-574-9190 Email: glapin@hendrickconstruction.com 5 EMP Version 2, January 2021 Environmental Consultant: ATC Associates of North Carolina, P.C. Contact Person: Click or tap here to enter text. Phone Numbers: Office: 704-529-3200 Mobile: 803-984-6764 Email: al.quarles@atcgs.com Brownfields Program Project Manager: Sarah Hardison Young Phone Numbers: Office: 919-707-8382 Mobile: 919-441-7428 Email: Sarah.hardison@ncdenr.gov Other DEQ Program Contacts (if applicable, i.e., UST Section, Inactive Hazardous Site Branch, Hazardous Waste, Solid Waste): Collin Day; Mobile: 919-614-5702 collin.day@ncdenr.gov NOTIFICATIONS TO THE BROWNFIELDS PROGRAM Written advance Notification Times to Brownfields Project Manager: Check each box to accept minimum advance notice periods (in calendar days) for each type of onsite task: On-site assessment or remedial activities:……………………………………….…… 10 days Prior ☒ Construction or grading start:……………………………………….………………………. 10 days Prior ☒ Discovery of stained soil, odors, USTs, buried drums or waste, landfill, or other signs of previously unknown contamination: ……………………………….……………………………………. Within 48 hours ☒ Implementation of emergency actions (e.g. dewatering, flood or soil erosion control measures in area of contamination, ventilation of work zones):…………….……….……… Within 48 hours ☒ Installation of mitigation systems:………………………….………………….……….. 10 days Prior ☒ Other notifications as required by local, state or federal agencies to implement redevelopment activities: (as applicable): ……………………….…………………………………………..… Within 30 days ☒ REDEVELOPMENT PLANS 1) Type of Redevelopment (check all that apply): ☒Residential ☐Recreational ☐Institutional ☐Commercial ☐Office ☐Retail ☐Industrial ☐Other specify: The redevelopment will include residential condominium units. Building 3 will include 15 units with 5 units in the ground level of the four 4-story building. Building 7 will include 3 units with 1 unit on the ground level of the 3.5-story building. All units will be individually owned. 6 EMP Version 2, January 2021 The ground floor uses will include residential living spaces. The entire buildings will be at grade or slightly above existing grade, with two vertical/side/retaining walls associated with Building #3 (western corner) adjacent to soil with up to 3 feet of soil. The soil will be comprised of imported fill material. Any open spaces outside of the units will be the responsibility of the HOA. 2) Check the following activities that will be conducted prior to commencing earth-moving activities at the site: ☒ Review of historic maps (Sanborn Maps, facility maps) ☐ Conducting geophysical surveys to evaluate the location of suspect UST, fuel lines, utility lines, etc. ☐ Interviews with employees/former employees/facility managers/neighbors 3) Summary of Redevelopment Plans (MANDATORY: attach detailed plans or conceptual plans, if detailed plans are not available. EMP review without such information would be premature): Provide brief summary of redevelopment plans, including demolition, removal of building slabs/pavement, grading plans and planned construction of new structures: Redevelopment plans for the site include removing top soil with limited grading and filling to level the Brownfields site for construction of new residential condominiums with associated curbing and sidewalks. Selected Redevelopment Drawings and Plans are included in Appendix A and a copy of the proposed grading plan is provided as Appendix B. 4) Do plans include demolition of structure(s)?: ☐ Yes ☒ No ☐ Unknown ☐ If yes, please check here to confirm that demolition will be conducted in accordance with applicable legal requirements, including without limitation those related to lead and asbestos abatement that are administered by the Health Hazards Control Unit within the Division of Public Health of the North Carolina Department of Health and Human Services. If available, please provide a copy of your demolition permit. 5) Are sediment and erosion control measures required by federal, state, or local regulations? ☒ Yes ☐ No ☐ Unknown ☒ If yes, please check here to confirm that demolition will be conducted in accordance with applicable legal requirements. If soil disturbance is necessary to install sediment and erosion control measures, they may not begin until this EMP is approved. 6) Which category of risk-based screening level is used or is anticipated to be specified in the Brownfields Agreement? Note: If children frequent the property, residential screening levels shall be cited in the Brownfields Agreement for comparison purposes. ☒ Residential ☐ Non-Residential or Industrial/Commercial 7) Schedule for Redevelopment (attach construction schedule): 7 EMP Version 2, January 2021 a) Construction start date: 10/1/2021 b) Anticipated duration (specify activities during each phase): Site grading work: Start 10/1/2021 Sub-grade utility installation: Start 10/15/2021 VMS venting system and soil gas monitoring point installation: Start 11/8/2021: 1 week VMS vapor barrier installation: Start 11/15/2021: 1 week Building completion date: 10/1/2022 Certificate of Occupancy: 11/1/2022 c) Additional phases planned? ☐ Yes ☒ No If yes, specify the start date and/or activities if known: Start Date: Click or tap to enter a date. Planned Activity: Click or tap here to enter text. Start Date: Click or tap to enter a date. Planned Activity: Click or tap here to enter text. Start Date: Click or tap to enter a date. Planned Activity: Click or tap here to enter text. d) Provide the planned date of occupancy for new buildings: 11/1/2022 CONTAMINATED MEDIA Please fill out the sections below, using detailed site plans, if available, or estimate using known areas of contaminated soil and a conceptual redevelopment plan. Provide a figure overlaying new construction onto figure showing contaminated soil and groundwater locations. 1) Contaminated Media on the Brownfields Property Part 1. Soil:……………………………………….……………. ☐ Yes ☐ No ☐ Suspected ☒ Unknown Part 2. Groundwater:.……………………….……..……. ☐ Yes ☐ No ☒ Suspected ☐ Unknown Part 3. Surface Water:.……………...……..…………… ☐ Yes ☒ No ☐ Suspected ☐ Unknown Part 4. Sediment:.……………...……..…………………… ☐ Yes ☒ No ☐ Suspected ☐ Unknown Part 5. Soil Vapor:…..…………...……..…………………. ☒ Yes ☐ No ☐ Suspected ☐ Unknown Part 6. Sub-Slab Soil Vapor:……...……..…………….. ☐ Yes ☐ No ☐ Suspected ☒ Unknown Part 7. Indoor Air:...……..…………………………………. ☐ Yes ☐ No ☐ Suspected ☒ Unknown 8 EMP Version 2, January 2021 2) For the Area of Proposed Redevelopment on the Brownfields Property, attach tabulated data summaries for each impacted media and figure(s) with sample locations. PART 1. Soil 1) Known or suspected contaminants in soil (list general groups of contaminants): The Brownfields Property is comprised of a developed portion with multi-tenant condominiums (97 separate parcels) with one general parcel ID 14702C99. The two undeveloped, vacant parcels include Parcel ID 14702144 (no listed address, 0.0709 acres) located at the northwest corner of the Brownfields Property, and Parcel ID 14702143 (no listed address, 0.1834 acres) located at the northeast corner of the Brownfields Property. The total area of the two parcels proposed for redevelopment is 0.2543 acres. Soil assessment activities have not been conducted on the two smaller parcels where redevelopment activities are proposed in this EMP, and, based on historical review of the Brownfields property usage, no soil impacts are anticipated to be encountered during redevelopment. Previous assessment activities have indicated the presence of soil impacts in the western portion of the full Brownfields property. 2) Depth of known or suspected contaminants (feet): Soil impacts on the larger Brownfields property are limited to shallow soil [0 to 5 feet below ground surface (ft-bgs)]. No soil assessment was conducted on the two smaller parcels. 3) Area of soil disturbed by redevelopment (square feet): Based on the grading plan (Appendix B), the majority of the two parcels (11,073 SF) is expected to be disturbed during grading, excluding approximately 320 SF along the western portion of the smaller parcel. Soil will be disturbed as part of removing top soil and leveling and grading activities to prepare the site for construction of the proposed condominiums. 4) Depths of soil to be excavated (feet): Soils are not expected to be disturbed at depths greater than approximately 5 feet below existing grade (ft-beg) for installation of utilities and fill for other areas on-site. The footing depths are planned to be up to 2 ft-beg, with the except of the footings for the two stairwells in Building #3, that are planned to be approximately 2.5 ft-beg and 4.5 ft-beg. Based upon the grading plan, planned cuts are expected to be up to depths of approximately 1 to 2 ft-bgs for the removal of topsoil. 5) Estimated volume of soil (cubic yards) to be excavated (attach grading plan): 124, based on contractor’s Cut/Fill Report. Non-impacted existing soil removed for utility installations and footings are planned to be used as fill beneath the building slab. No impacted soil is expected based on the site history. 6) Estimated volume of excavated soil (cubic yards) anticipated to be impacted by contaminants: None. Not in an area of known contamination. However, soil planned for disposal offsite will be sampled prior to disposal. 9 EMP Version 2, January 2021 7) Estimated volume of contaminated soil expected to be disposed of offsite, if applicable: None. Not in an area of known contamination. However, soil planned for disposal offsite will be sampled prior to disposal. Part 1.A. MANAGING ONSITE SOIL If soil is anticipated to be excavated from the Brownfield Property, relocated on the Brownfields Property, or otherwise disturbed during site grading or other redevelopment activities, please provide a grading plan that clearly illustrates areas of cut and fill (approximate areas & volumes are acceptable, if only preliminary data available). 1) HAZARDOUS WASTE DETERMINATION: a) Does the soil contain a LISTED WASTE as defined in the North Carolina Hazardous Waste Section under 40 CFR Part 261.31-261.35?....................................... ☐Yes ☒No ☐ If yes, explain why below, including the level of knowledge regarding processes generating the waste (include pertinent analytical results as needed). Click or tap here to enter text. ☐ If yes, do the soils exceed the “Contained-Out” levels in Attachment 1 of the North Carolina Contained-In Policy?................................................. ☐ Yes ☐ No b) NOTE: IF SOIL MEETS THE DEFINITION OF A LISTED HAZARDOUS WASTE AND EXCEEDS THE CONTAINED-OUT LEVELS IN ATTACHMENT 1 TO THE NORTH CAROLINA CONTAINED-IN POLICY THE SOIL MAY NOT BE RE-USED ON SITE AND MUST BE DISPOSED OF IN ACCORDANCE WITH DEQ HAZARDOUS WASTE SECTION RULES AND REGULATIONS. c) Does the soil contain a CHARACTERISTIC WASTE?.................................... ☐ Yes ☒ No ☐ If yes, mark reason(s) why below (and include pertinent analytical results). ☐ Ignitability Click or tap here to enter text. ☐ Corrosivity Click or tap here to enter text. ☐ Reactivity Click or tap here to enter text. ☐ Toxicity Click or tap here to enter text. ☐ TCLP results Click or tap here to enter text. ☐ Rule of 20 results (20 times total analytical results for an individual hazardous constituent on TCLP list cannot, by test method, exceed regulatory TCLP standard) Click or tap here to enter text. ☒ If no, explain rationale: 10 EMP Version 2, January 2021 Laboratory analysis of soil samples collected during previous assessment activities did not identify compound concentrations at characteristically hazardous levels or levels which exceed TCLP criteria using the Rule of 20. If soils are disturbed during grading which are suspected to contain concentrations above hazardous waste levels [based on visual observation or field screening with a properly calibrated photoionization detector (PID)], the soil will be sampled and managed in accordance with the procedures described below. d) NOTE: IF SOIL MEETS THE DEFINITION OF A CHARACTERISTIC HAZARDOUS WASTE, THE SOIL MAY NOT BE RE-USED ON SITE AND MUST BE DISPOSED OF IN ACCORDANCE WITH DEQ HAZARDOUS WASTE SECTION RULES AND REGULATIONS. 2) Screening criteria by which soil disposition decisions will be made (e.g., left in place, capped in place with low permeability barrier, removed to onsite location and capped, removed offsite): ☒ Preliminary Health-Based Residential SRGs ☐ Preliminary Health-Based Industrial/Commercial SRGs ☒ Division of Waste Management Risk Calculator (For Brownfields Properties Only) ☐ Site-specific risk-based cleanup level. Please provide details of methods used for determination/explanation. Click or tap here to enter text. Additional comments: No known or suspected contaminated soil is anticipated based on prior environmental assessment activities. No suspected sources of potential contamination were identified within the two parcels proposed for redevelopment. No soil is planned to be reused outside of the building/construction footprints. Reuse of existing soil is planned for the utility installation. 3) If known impacted soil is proposed to be reused within the Brownfields Property Boundary, please check the measures that will be utilized to ensure safe placement and documentation of same. Please attach a proposed location diagram/site map. ☒ Provide documentation of analytical report(s) to Brownfields Project Manager ☒ Provide documentation of final location, thickness and depth of relocated soil on site map to Brownfields Project Manager once known ☐ Geotextile to mark depth of fill material. Provide description of material: Click or tap here to enter text. ☒ Manage soil under impervious cap ☒ or clean fill ☒ ☒ Describe cap or fill: Documented impacted soils will be covered with impervious surfaces (asphalt/concrete pavement, sidewalks, access roads, etc.) or a minimum of 2 ft of documented 11 EMP Version 2, January 2021 clean fill during redevelopment. ☒ Confer with NC BF Project Manager if Brownfield Plat must be revised (or re-recorded if actions are Post-Recordation). ☒ GPS the location and provide site map with final location. ☐ Other. Please provide a description of the measure: 4) Please describe the following action(s) to be taken during and following excavation and management of site soils: Management of fugitive dust from site ☒ Yes, describe the method will include: Significant areas of contaminated soil are not expected to be encountered or disturbed during the planned site redevelopment activities based on previous soil sampling data and field screening during previous assessment activities. However, the grading contractor will take into account conditions such as wind speed, wind direction, and moisture content of soil during soil grading and stockpiling activities to minimize dust generation. Particular attention will be paid by contractors to implement dust control measures as needed based on site and atmospheric conditions (i.e., by controlled water application, hydro-seeding, and/or mulch, stone, or plastic cover). Potentially impacted soil will be managed as described below. ☐ No, explain rationale: Click or tap here to enter text. Field Screening of site soil ☒ Yes, describe the field screening method, frequency of field screening, person conducting field screening: During soil disturbance at the site, the workers or contractors will observe soils for evidence of potential impacted soil. The environmental consultant will conduct a site visit during soil disturbance in the areas of soil gas samples SG-4 and SG-5 (Building #7) and during occasional site visits to conduct some screening of soil and breathing zone air for potential impacts, including during the footings and utility installations. Evidence of potential impacted soil includes a distinct unnatural color, strong odor, or filled or previously disposed materials of concerns (i.e., chemicals, tanks, drums, etc.). Should the above be noted during site work, the contractor will contact the project environmental consultant to observe the suspect condition. If the project environmental consultant confirms that the material may be impacted, then the procedures below will be implemented. In addition, the project environmental consultant will contact the DEQ Brownfields Project Manager within 48 hours to advise the DEQ of the condition. ☐ No, explain rationale: Click or tap here to enter text. Click or tap here to enter text. 12 EMP Version 2, January 2021 Soil Sample Collection ☐ Yes, describe the sampling method (e.g., in-situ grab, composite, stockpile, etc.): Click or tap here to enter text. ☒ No, explain rationale: The collection of additional soil samples is not anticipated based on the site history. If previously unknown soil impact is encountered during grading and/or installation or removal of utilities, excavation will proceed only as far as needed to allow grading and/or construction of the utility to continue and/or only as far as needed to allow alternate corrective measures described below. Suspect impacted soil excavated during grading and/or utility line installation or removal may be stockpiled and covered in a secure area to allow construction to progress. Suspect impacted soil stockpiled in accordance with the attached Figure 1. Soil planned for export from the site will be handled in accordance with Part 1.C. Exported Soil Section. For soil planned for reuse on-site, at least one representative soil sample at a sample ratio of 1 soil sample for SVOCs and metals (comprised of a composite of 3 to 5 aliquots) and 1 sample for VOCs per every approximately 1,000 cubic yards of soil will be collected for analysis as described below. (1) Grab samples will be collected for VOC analysis. Soil samples will be placed in two separate bags, one for screening using a PID to guide the collection of laboratory samples, and one for the collection of the selected laboratory samples. (2) Field composite samples will be collected for SVOC and metals analysis. Composite samples will be comprised of 3-5 aliquots. (3) Equipment will be decontaminated between uses. If the results of analysis of the sample indicate that the soil could potentially exceed toxicity characteristic hazardous waste criteria, then the soil will also be analyzed by TCLP for those compounds that could exceed the toxicity characteristic hazardous waste criteria. Impacted soil will be managed in the manner described below based upon the laboratory analyses: i. If no organic compounds are detected in a sample (other than which are attributable to sampling or laboratory artifacts) and metals are below the Protection of Groundwater or Residential PSRG (whichever is lower for the detected compounds) and are consistent with site-specific background levels, then the soil will be deemed suitable for use as on- site fill. 13 EMP Version 2, January 2021 ii. If detectable levels of compounds are found which do not exceed the DEQ IHSB Residential PSRGs (other than which are attributable to sampling or laboratory artifacts or which are consistent with site-specific background levels for metals) and the TCLP concentrations are below hazardous waste criteria, then the soil may be used on-site as fill. iii. If detectable levels of compounds are found which exceed the DEQ IHSB Residential PSRGs (other than which are attributable to sampling or laboratory artifacts or which are consistent with background levels for metals) and the TCLP concentrations are below hazardous waste criteria, then the soil, with DEQ written approval, may be used on-site as fill below an impervious surface, or at least 2 ft of documented and Brownfields approved compacted clean soil. If the impacted soil with concentrations above Residential PSRGs is moved to an on-site location, its location and depth will be documented, and its location will be provided to DEQ. The soil sample results will be provided to Brownfields including a summary table comparing the results to the Protection of Groundwater and Residential PSRGs, a write-up of the sampling methodology, a figure showing where the soils were taken relative to past sample locations and where the soils will be placed (if known) e.g. parking/driveway vs building footprint. If soil samples are collected for analysis, please check the applicable chemical analytes: ☒ Volatile organic compounds (VOCs) by EPA Method 8260 ☒ Semi-volatile organic compounds (SVOCs) by EPA Method 8270 ☒ Metals RCRA List (8) (arsenic, barium, cadmium, chromium, mercury, lead, selenium and silver): Specify Analytical Method Number(s): EPA Methods 6020/7471 ☐ Pesticides: Specify Analytical Method Number(s): Click or tap here to enter text. ☐ PCBs: Specify Analytical Method Number(s): Click or tap here to enter text. ☒ Other Constituents & Respective Analytical Method(s) (i.e. Hexavalent Chromium, Herbicides, etc.): Specify Analytical Method Number(s): Hexavalent Chromium by EPA Method 7199 ☒ Check to confirm that stockpiling of known or suspected impacted soils will be conducted in accordance with Figure 1 of this EMP. Stockpile methodology should provide erosion control, prohibiting contact between surface water/precipitation and contaminated soil, and preventing contaminated runoff. Explain any variances or provide additional details as needed: 14 EMP Version 2, January 2021 ☒ Final grade sampling of exposed native soil (i.e., soil that will not be under buildings or permanent hardscape). Select chemical analyses for final grade samples with check boxes below (Check all that apply): ☒ Volatile organic compounds (VOCs) by EPA Method 8260 ☒ Semi-volatile organic compounds (SVOCs) by EPA Method 8270 ☒ Metals RCRA List (8) (arsenic, barium, cadmium, chromium, mercury, lead, selenium and silver): Specify Analytical Method Number(s): Click or tap here to enter text. ☐ Pesticides: Specify Analytical Method Number(s): Click or tap here to enter text. ☐ PCBs: Specify Analytical Method Number(s): Click or tap here to enter text. ☒ Other Constituents & Respective Analytical Method(s) (i.e. Hexavalent Chromium, Herbicides, etc.): Hexavalent Chromium by EPA Method 7199 Please provide a scope of work for final grade sampling, including a diagram of soil sampling locations, number of samples to be collected, and brief sampling methodology. Samples should be collected from 0-2 ft below ground surface, with the exception of VOCs which should be taken from 1-2 ft below ground surface. Alternatively, indicate if a work plan for final grade sampling may be submitted under separate cover. A separate Work Plan will be prepared for final grade soil sampling for DEQ Brownfields review and approval. ☐ If final grade sampling was NOT selected, please explain rationale: Click or tap here to enter text. Part 1.B. IMPORTED FILL SOIL NO SOIL MAY BE BROUGHT ONTO THE BROWNFIELDS PROPERTY WITHOUT PRIOR APPROVAL FROM THE BROWNFIELDS PROGRAM. According to the Brownfields IR 15, “Documenting imported soil (by sampling, analysis, and reporting in accordance with review and written approval in advance by the Brownfields Program), will safeguard the liability protections provided by the brownfields agreement and is in the best interest of the prospective developer/property owner.” Requirements for importing fill: 1) Will fill soil be imported to the site?................................................ ☒ Yes ☐ No ☐ Unknown Click or tap here to enter text. 15 EMP Version 2, January 2021 2) If yes, what is the estimated volume of fill soil to be imported? 817 cubic yards 3) If yes, what is the anticipated depth that fill soil will be placed at the property? (If a range of depths, please list the range.) 0 to 4 feet 4) Provide the source of fill, including: location, site history, nearby environmental concerns, etc. Attach aerial photos, maps, historic Sanborn maps and a borrow source site history: Two potential sources of fill are listed below, both of which have been previously approved by Brownfields. (1) Martin Marietta Quarry (60-02) - 4551 Beatties Ford Rd, Charlotte, NC 28216 (2) Vulcan Quarry (60-05) - 10526 Old Nations Ford Rd, Charlotte, NC 5) PRIOR TO ITS PLACEMENT AT THE BROWNFIELDS PROPERTY, provide a plan to analyze fill soil to demonstrate that it meets acceptable standards applicable to the site and can be approved for use at the Brownfields property. PD plans to use one of the two quarries listed above. However, if an alternative source is selected, a Work Plan will be submitted to NCDEQ for approval prior to conducting the soil sampling and analysis, with the chemical analytes indicated below. 6) Please check the applicable chemical analytes for fill soil samples. (Check all that apply): ☒ Volatile organic compounds (VOCs) by EPA Method 8260 ☒ Semi-volatile organic compounds (SVOCs) by EPA Method 8270 ☒ Metals RCRA List (8) (arsenic, barium, cadmium, chromium, mercury, lead, selenium and silver): Specify Analytical Method Number(s): EPA Methods 6020/7471 ☐ Pesticides: Specify Analytical Method Number(s): If source has pesticide impacts ☐ PCBs: Specify Analytical Method Number(s): Click or tap here to enter text. ☒ Other Constituents & Respective Analytical Method(s) (i.e. Hexavalent Chromium, Herbicides, etc.): Hexavalent Chromium by EPA Method 7199 7) The scope of work for import fill sampling may be provided below or in a Work Plan submitted separately for DEQ review and approval. Attach specific location maps for in-situ borrow sites. If using a quarry, provide information on the type of material to be brought onto the Brownfields Property. A separate Work Plan will be submitted to DEQ for approval, if the source has not been previously approved by Brownfields. 16 EMP Version 2, January 2021 Part 1.C. EXPORTED SOIL NO SOIL MAY LEAVE THE BROWNFIELDS PROPERTY WITHOUT APPROVAL FROM THE BROWNFIELDS PROGRAM. FAILURE TO OBTAIN APPROVAL MAY VIOLATE A BROWNFIELDS AGREEMENT CAUSING A REOPENER OR JEOPARDIZING ELIGIBILITY IN THE PROGRAM, ENDANGERING LIABILITY PROTECTIONS AND MAKING SAID ACTION POSSIBLY SUBJECT TO ENFORCEMENT. JUSTIFICATIONS PROVIDED BELOW MUST BE APPROVED BY THE PROGRAM IN WRITING PRIOR TO COMPLETING TRANSPORT ACTIVITIES. Please refer to Brownfields IR 15 for additional details. 1) If export from a Brownfields Property is anticipated, please provide details regarding the proposed export actions. Volume of exported soil, depths, location from which soil will be excavated on site, related sampling results, etc. Provide a site map with locations of export and sampling results included. Prior to transporting the soil off-site, a sampling work plan will be submitted to DEQ for review and approval prior to the sampling of the planned export soil. Brownfields approval of the analytical results and approval from the disposal facility will be obtained prior to transporting export soil from the site. 2) To what type of facility will the export Brownfields soil be sent? ☒ Subtitle D/Municipal Solid Waste Landfill (analytical program to be determined by landfill) ☒ Permitted but Unlined Landfill (i.e. LCID, C&D, etc.) Analytical program to be determined by the accepting Landfill; ☐ Landfarm or other treatment facility ☐ Use as fill at another suitable Brownfields Property – determination that a site is suitable will require, at a minimum, that similar concentrations of the same or similar contaminants already exist at both sites, use of impacted soil will not increase the potential for risk to human health and the environment at the receiving Brownfields property, and that a record of the acceptance of such soil from the property owner of the receiving site is provided to Brownfields. Please provide additional details below. ☐ Use as Beneficial Fill off-site at a non-Brownfields Property - Please provide documentation of approval from the property owner for receipt of fill material. This will also require approval by the DEQ Solid Waste Section. Additional information is provided in IR 15. Please provide additional details below. 3) Additional Details: (if transfer of soil to another property is requested above, please provide details related to the proposed plans). Click or tap here to enter text. Part 1.D. MANAGEMENT OF UTILITY TRENCHES 17 EMP Version 2, January 2021 ☐ Install liner between native impacted soils and base of utility trench before filling with clean fill (Preferred) ☒ Last out, first in principle for impacted soils (if soil can safely be reused onsite and is not a hazardous waste), i.e., impacted soils are placed back at approximately the depths they were removed from such that impacted soil is not placed at a greater depth than the original depth from which it was excavated. ☒ Evaluate whether necessary to install barriers in conduits to prevent soil vapor transport, and/or degradation of conduit materials due to direct impact with contaminants? ☐ If yes, provide specifications on barrier materials or provide the results of this evaluation in the Vapor Mitigation Plan. Note that if vapor mitigation is planned for site buildings, utility corridors will need to be evaluated as part of mitigation designs: Click or tap here to enter text. ☒ If no, include rationale here: Based on the site history, impacted soil is not expected to be encountered during redevelopment activities. However, if suspected impacted soil is encountered, the following procedures will be followed. ☐ Unknown, details to be provided in the Vapor Mitigation Plan for site buildings Other comments regarding managing impacted soil in utility trenches: The contractor and workers (and the environmental consultant) will observe soil for potential impacts during utility installation activities. Evidence of potential impacted soil includes a distinct unnatural color, strong odor, or filled or previously disposed materials of concerns (i.e., chemicals, tanks, drums, etc.). Should the above be noted during utility work, the contractor will contact the project environmental consultant to observe the suspect condition. If the project environmental consultant confirms that the material may be impacted, then the procedures outlined in Managing On-Site Soil above will be implemented. In addition, the environmental consultant will contact the DEQ Brownfields project manager within 48 business hours to advise that person of the condition. If suspected impacted soil or soil gas is identified, NCDEQ will be notified to determine if additional assessment or mitigations is warranted for the potential of the utility trench to act as a preferred vapor mitigation pathway prior to resuming work. The NCDEQ will be consulted to develop a plan to assess for potential soil gas in the utility trench to determine if it is/has the capacity to act as a potential preferential pathway for VI. Vapor intrusion mitigation of the utility trenches, if requested by the NCDEQ Brownfields, will be based on the screening and assessment. The VIM of utility trenches will be installed in accordance with a work plan approved by Brownfields prior to installation. Should impacted soil be discovered during utility trenching activities, appropriate safety screening will be performed to protect workers during utility installation activities. Safety screening activities include 18 EMP Version 2, January 2021 monitoring the worker breathing zone with a calibrated photoionization detector or similar instrument when workers are in utility trenches. If safety screening results indicate further action is warranted, the work zone will be evacuated until appropriate engineering controls (such as use of industrial fans) are implemented. PART 2. GROUNDWATER 1) What is the depth to groundwater at the Brownfields Property? 10 feet 2) Is groundwater known to be contaminated by ☐onsite ☐offsite ☒both or ☐unknown sources? Describe source(s): Shallow groundwater is expected to mimic surface topography and flow toward the west in the area of the site. 3) What is the direction of groundwater flow at the Brownfields Property? West-northwest 4) Will groundwater likely be encountered during planned redevelopment activities? ☐Yes ☒No If yes, describe these activities: Click or tap here to enter text. Regardless of the answer; in the event that contaminated groundwater is encountered during redevelopment activities (even if no is checked above), list activities for contingent management of groundwater (e.g., dewatering of groundwater from excavations or foundations, containerizing, offsite disposal, discharge to sanitary sewer, NPDES permit, or sampling procedures). Although not anticipated at this time, appropriate worker safety measures will be undertaken if groundwater gathers in an open excavation within an area determined to be impacted during construction activities. The accumulated water will be allowed to evaporate/infiltrate to the extent time for dissipation does not disrupt the construction schedule. Should the time needed for natural dissipation of accumulated water be deemed inadequate, the water will be contained, tested, and disposed off-site at a permitted facility (if impacted), or discharged to the storm sewer (if not impacted above DEQ surface water standards) in accordance with applicable municipal and State regulations for erosion control and construction stormwater control. 5) Are monitoring wells currently present on the Brownfields Property?.................☐Yes ☒No If yes, are any monitoring wells routinely monitored through DEQ or other agencies?..................................................................................................................☐Yes ☐No 6) Please check methods to be utilized in the management of known and previously unidentified wells. ☐ Abandonment of site monitoring wells in accordance with all applicable regulations. It 19 EMP Version 2, January 2021 is the Brownfields Program’s intent to allow proper abandonment of well(s) as specified in the Brownfields Agreement, except if required for active monitoring through another section of DEQ or the EPA. ☐ Location of existing monitoring wells marked ☐ Existing monitoring wells protected from disturbance ☒ Newly identified monitoring wells will be marked and protected from further disturbance until notification to DEQ Brownfields can be made and approval for abandonment is given. 7) Please provide additional details as needed: Please note, disturbance of existing site monitoring wells without approval by DEQ is not permissible. If monitoring wells are damaged and/or destroyed, DEQ may require that the PD be responsible for replacement of the well. PART 3. SURFACE WATER 1) Is surface water present at the property? ☐ Yes ☒ No ☐ Unknown 2) Attach a map showing the location of surface water at the Brownfields Property. 3) Is surface water at the property known to be contaminated? ☐ Yes ☒ No 4) Will workers or the public be in contact with surface water during planned redevelopment activities? ☐ Yes ☒ No 5) In the event that contaminated surface water is encountered during redevelopment activities, or clean surface water enters open excavations, list activities for management of such events (e.g. flooding, contaminated surface water run-off, stormwater impacts): If surface water run-off gathers in an open excavation within an area determined to be impacted during construction activities, appropriate worker safety measures will be undertaken. The accumulated water will be allowed to evaporate/infiltrate to the extent time for dissipation does not disrupt the construction schedule. Should the time needed for natural dissipation of accumulated water be deemed inadequate, the water will be contained, tested, and disposed off-site at a permitted facility (if impacted), or discharged to the storm sewer (if not impacted above DEQ surface water standards) in accordance with applicable municipal and State regulations for erosion control and construction stormwater control. PART 4. SEDIMENT 1) Are sediment sources present on the property? ☐ Yes ☒ No DEQ will be notified if newly identified monitoring wells are found in the redevelopment areas of the Brownfields Property . 20 EMP Version 2, January 2021 2) If yes, is sediment at the property known to be contaminated: ☐ Yes ☐ No ☐ Unknown 3) Will workers or the public be in contact with sediment during planned redevelopment activities? ☐ Yes ☒ No 4) Attach a map showing location of known contaminated sediment at the property. 5) In the event that contaminated sediment is encountered during redevelopment activities, list activities for management of such events (stream bed disturbance): Not applicable PART 5. SOIL VAPOR 1) Do concentrations of volatile organic compounds at the Brownfields property exceed the following vapor intrusion screening levels (current version) in the following media: IHSB Residential Screening Levels: Soil Vapor:………..☒ Yes ☐ No ☐ Unknown Groundwater:.….☒ Yes ☐ No ☐ Unknown IHSB Industrial/Commercial Screening Levels: Soil Vapor:………..☐ Yes ☒ No ☐ Unknown Groundwater:…..☒ Yes ☐ No ☐ Unknown 2) Attach a map showing the locations of soil vapor contaminants that exceed site screening levels. 3) If applicable, at what depth(s) is soil vapor known to be contaminated? Soil vapor samples were collected at depths of approximately 5 ft-bgs within the footprint of the proposed condominium buildings. A summary of soil vapor laboratory analytical results is provided in Table 1. Laboratory analytical results indicate that several VOCs were detected at concentrations above the laboratory method detection limits in the soil vapor samples collected during Brownfields assessment activities completed in December 2020. Concentrations of trichloroethylene (TCE) were detected at concentrations of 35 µg/m3 and 120 µg/m3 in soil vapor samples SG-4 and SG-5, respectively, which exceed the DEQ DWM Residential Vapor Intrusion SGSL of 14 µg/m3. Soil vapor samples SG-4 and SG- 5 were collected within the footprint of the proposed condominium building on the western parcel (#14702143). No compounds were detected at concentrations above the DEQ DWM Industrial/Commercial Vapor Intrusion SGSLs in the December 2020 soil vapor samples collected at the site. “Worst-case” scenarios, which included the highest concentrations detected on each Brownfields parcel, were run through DEQs Risk Calculator under a residential scenario. Risk calculator results indicate an acceptable Lifetime Incremental Carcinogenic Risk (LICR) for each parcel. However, the non-carcinogenic Hazard Index (HI) for the western parcel was 1.8, which exceeded the 21 EMP Version 2, January 2021 4) Will workers encounter contaminated soil vapor during planned redevelopment activities? ☐ Yes ☐ No ☒ Unknown In the event that contaminated soil vapor is encountered during redevelopment activities (trenches, manways, basements or other subsurface work,) list activities for management of such contact: As noted above, appropriate safety screening will be performed to protect workers during sub- grade work including utility installation activities. Safety screening activities include monitoring the worker breathing zone with a calibrated photoionization detector or similar instrument. If safety screening results indicate further action is warranted, the work zone will be evacuated until appropriate engineering controls (such as use of industrial fans) are implemented. If vapors are encountered, the DEQ will be notified to determine if additional assessment and mitigation is warranted. Work in this area will be halted until the Brownfields has determined that no further mitigation or assessment is required. PART 6. SUB-SLAB SOIL VAPOR 1) Do concentrations of volatile organic compounds at the Brownfields property exceed the following vapor intrusion screening levels (current version) in sub-slab soil vapor: IHSB Residential Screening Levels: Soil Vapor:………..☒ Yes ☐ No ☐ Unknown Groundwater:.….☒ Yes ☐ No ☐ Unknown IHSB Industrial/Commercial Screening Levels: Soil Vapor:………..☐ Yes ☒ No ☐ Unknown 2) Groundwater:…..☒ Yes ☐ No ☐ Unknown If data indicate that sub-slab soil vapor concentrations exceed screening levels, attach a map showing the location of these exceedances. 3) At what depth(s) is sub-slab soil vapor known to be contaminated? ☒0-6 inches ☐Other, please describe: Sub-slab soil vapor samples collected directly beneath slab on other portions of the Brownfields Property, but not on the two parcels being redeveloped. Only chloroform that was discounted by Brownfields since it was not found in the groundwater at concentrations exceeding the Residential VISL Groundwater Screening Level (past and current). 4) Will workers encounter contaminated sub-slab soil vapor during planned redevelopment activities? ☐ Yes ☐ No ☒ Unknown ☐ If no, include rationale here: No buildings are currently present on the two parcels, thus, no sub-slab vapor samples have DEQ Acceptable Cumulative Risk Level of 1. 22 EMP Version 2, January 2021 been collected at the site. 5) In the event that contaminated soil vapor is encountered during redevelopment activities, list activities for management of such contact In the event contaminated soil vapors are encountered during future redevelopment activities, worker breathing zone will be monitored using a calibrated photoionization detector. If results indicate further action is warranted, appropriate engineering controls (such as use of industrial fans) will be implemented. If vapors are encountered, the DEQ will be notified to determine if additional assessment and mitigation is warranted. Work in this area will be halted until the NCDEQ Brownfields Program has determined that no further mitigation or assessment is required. PART 7. INDOOR AIR 1) Are indoor air data available for the Brownfields Property? ☐ Yes ☒ No ☐ Unknown 2) Attach a map showing the location(s) where indoor air contaminants exceed site screening levels. 3) If the structures where indoor air has been documented to exceed risk-based screening levels will not be demolished as part of redevelopment activities, will workers encounter contaminated indoor air during planned redevelopment activities? ☐ Yes ☐ No ☐ Unknown ☐ If no, include rationale here: The new structures will include a vapor mitigation system installed, thus no contaminants from the subsurface are anticipated to be present in the indoor air during redevelopment activities. 4) In the event that contaminated indoor air is encountered during redevelopment activities, list activities for management of such contact: In the unlikely event there is evidence of potential indoor air issues (i.e., unusual odors) during future redevelopment activities, the area will be evacuated and appropriate safety screening of the indoor air will be performed. If warranted, safety screening procedures will include periodically screening indoor air for volatile organic vapors with a calibrated photoionization detector when workers present in the Site buildings identify potential indoor air issues. If results indicate further action is warranted, appropriate engineering controls (such as use of industrial fans) will be implemented. If vapors/indoor air impacts are encountered, the DEQ will be notified to determine if additional assessment and mitigation is warranted. Work in this area will be halted until the NCDEQ Brownfields Program has determined that no further mitigation or assessment is required. 23 EMP Version 2, January 2021 VAPOR INTRUSION MITIGATION SYSTEM Is a vapor intrusion mitigation system (VIMS) proposed for this Brownfields Property? ☒ Yes ☐ No ☐ Unknown ☐ If no or unknown, include rationale here as well as plans for pre-occupancy sampling, as necessary: Click or tap here to enter text. If yes, ☐ VIMS Plan Attached or ☒ VIMS Plan to be submitted separately If submitted separately provide date: 6/21/2021 VIMS Plan shall be signed and sealed by a NC Professional Engineer If no, please provide a brief rationale as to why no vapor mitigation plan is warranted: Click or tap here to enter text. Note that approval of this EMP does not imply approval with any vapor intrusion mitigation land use restrictions or requirements of the recorded or draft Brownfields Agreement and that separate approval of mitigation measures will be required. CONTINGENCY PLAN – encountering unknown tanks, drums, or other waste materials In this section please provide actions that will be taken to identify or manage unknown potential new sources of contamination. During redevelopment activities, it is not uncommon that unknown tanks, drums, fuel lines, landfills, or other waste materials are encountered. Notification to DEQ Brownfields Project Manager, UST Section, Fire Department, and/or other officials, as necessary and appropriate, is required when new potential source(s) of contamination are discovered. These Notification Requirements were outlined on Page 1 of this EMP. Should potentially impacted materials be identified that are inconsistent with known site impacts, the DEQ Brownfields Project Manager will be notified and a sampling plan will be prepared based on the EMP requirements and site-specific factors. Samples will generally be collected to document the location of the potential impacts. Check the following chemical analysis that are to be conducted on newly identified releases: ☒ Volatile organic compounds (VOCs) by EPA Method 8260 ☒ Semi-volatile organic compounds (SVOCs) by EPA Method 8270 ☒ Metals RCRA List (8) (arsenic, barium, cadmium, chromium, mercury, lead, selenium and silver) EPA Methods 6020/7471 24 EMP Version 2, January 2021 ☐ Pesticides: Specify Analytical Method Number(s): Click or tap here to enter text. ☐ PCBs: Specify Analytical Method Number(s): Click or tap here to enter text. ☒ Other Constituents & Analytical Method(s) (i.e. Hexavalent Chromium, Herbicides, etc.) Please note, if field observations indicate the need for additional analyses, they should be conducted, even if not listed here. Hexavalent Chromium by EPA Method 7199 Please provide details on the proposed methods of managing the following commonly encountered issues during redevelopment of Brownfields Properties. During construction activities, contractors may encounter unknown sub-surface environmental conditions (i.e., tanks, drums, or waste materials) that if encountered, will require proper management. Prior to beginning Site work, ATC will attend a pre-construction kick-off meeting with the PD and the redevelopment contractors to discuss the DEQ approved EMP and various scenarios when it would be appropriate and necessary to notify ATC of the discovery of unknown subsurface features or potentially impacted media at the site. In the event that such conditions are encountered during redevelopment activities, the environmental actions noted below will be used to assist in appropriate management of sub-surface environmental conditions and determination of the most suitable final disposition of potentially impacted site media. If unknown sub-surface environmental conditions are encountered, (1) Brownfields may elect to request vapor intrusion sampling and/or mitigation based on impacts discovered (2) the sample analysis suite may be modified based on waste characterization. Underground Storage Tanks: If USTs or impacts associated with a UST release are discovered at the site during redevelopment activities, the UST and/or UST related impacts will be addressed through the Brownfields Program. DEQ Brownfields will be notified within 48 business hours of discovery of the UST. If an unknown UST or UST components are encountered, the UST/components will be removed, if possible and the UST/components will be transported off-site for disposal or recycling at a suitable facility. If the UST or UST components contain unknown residual fluids, the fluids will be sampled for VOCs, SVOCs, RCRA metals, and hexavalent chromium, and transported off- site for disposal at a suitable facility based on the laboratory analytical results prior to removing the UST/component from the ground. If a UST is encountered that cannot be removed, it may be abandoned in- place with prior DEQ approval and construction will proceed. Where appropriate, the bottom may be penetrated before abandonment to prevent fluid accumulation. UST closure soil sampling will be conducted in accordance with the NCDEQ, DWM, UST Section guidelines (Guidelines for Site Checks, 25 EMP Version 2, January 2021 Tank Closure, and Initial Response and Abatement, May 17, 2021 version, change 11 – 2021). If apparent petroleum impacted soil is observed (based on staining, petroleum sheen, odors, PID readings), over excavation of soil will be conducted to remove the apparent contaminated soil, followed by additional confirmation soil sampling, and groundwater sampling if encountered, in accordance with the UST Guidelines. Groundwater removed during groundwater sampling or UST removal will be handled in accordance with Part 2, Groundwater of this EMP. For soil sampling, one duplicate sample will be collected for the closure samples and confirmation samples if collected. Brownfields will be notified 5 days or more prior to the removal of USTs/Components. Sub-Grade Feature/Pit: If a sub-grade feature or pit is encountered, it will be removed if possible and will be transported off-site for disposal or recycling at a suitable facility. If a sub-grade feature or pit is encountered and cannot be removed, it will be filled with soil or suitable fill and construction will proceed, pending Brownfields approval. Where appropriate, the bottom may be penetrated before back filling to prevent fluid accumulation. If the pit contains waste, the waste will be removed and containerized in a secure area and will be sampled for waste disposal purposes for TCLP VOCs, TCLP SVOCs, and TCLP metals including hexavalent chromium, and disposed off-site at a permitted facility. Confirmation soil samples (base and sidewalls) will be collected. Impacted soils, if identified, will be managed as summarized in Part 1.A and/or Part 1.C of this EMP. The number and location of confirmation soil samples will be approved by the Brownfields Program and the samples will be submitted for the analytical suite selected above. If the pit is removed, the pit material will be sampled and analyzed by methods specified by the disposal facility. Buried Waste Material – Note that if buried waste, non-native fill, or any obviously filled materials is encountered, the DEQ Brownfields Program must be notified to determine if investigation of landfill gases is required: If excavation into buried wastes or impacted soils occurs, the contractor is instructed to stop work in that location and notify the environmental consultant. The environmental consultant will observe the materials and collect samples for laboratory analysis, if warranted. Confirmation sampling will be conducted at representative locations in the base and the sidewalls of the excavation after the waste or significantly impacted soil is removed and transported off-Site for disposal in a suitable facility based on results of the sample laboratory analysis for TCLP VOCs, TCLP SVOCs, and TCLP metals including hexavalent chromium. The confirmation samples will be analyzed. Areas of suspected contaminated soil that remain at the site after excavation is complete above the DEQ IHSB Residential PSRGs will be managed in accordance with the Managing Onsite Soil section (Part 1.A.). If buried waste, non-native fill, or any obviously filled materials is encountered, the DEQ Brownfields Program must be notified to determine if investigation of landfill gases is required. Re-Use of Impacted Soils On-Site: 26 EMP Version 2, January 2021 Please refer to description outlined in the Managing On-Site Soil section of the EMP above If unknown, impacted soil is identified on-site, management on-site can be considered after the project team provides the necessary information, outlined in Part 1.A. Item 11, for Brownfields Project Manager approval prior to final placement on-site. If other potential contingency plans are pertinent, please provide other details or scenarios as needed below: Not applicable. POST-REDEVELOPMENT REPORTING ☒ Check this box to acknowledge that a Redevelopment Summary Report will be required for the project. If the project duration is longer than one year, an annual update is required and will be due by January 31 of each year, or 30 days after each one-year anniversary of the effective date of this EMP (as agreed upon with the Project Manager). These reports will be required for as long as physical redevelopment of the Brownfields Property continues, except that the final Redevelopment Summary Report will be submitted within 90 days after completion of redevelopment. Based on the estimated construction schedule, the first Redevelopment Summary Report is anticipated to be submitted on 1/31/2022 The Redevelopment Summary Report shall include environment-related activities since the last report, with a summary and drawings, that describes: 1. actions taken on the Brownfields Property; 2. soil grading and cut and fill actions; 3. methodology(ies) employed for field screening, sampling and laboratory analysis of environmental media; 4. stockpiling, containerizing, decontaminating, treating, handling, laboratory analysis and ultimate disposition of any soil, groundwater or other materials suspected or confirmed to be contaminated with regulated substances; and 5. removal of any contaminated soil, water or other contaminated materials (for example, concrete, demolition debris) from the Brownfields Property (copies of all legally required manifests shall be included). ☒ Check box to acknowledge consent to provide a NC licensed P.G. or P.E. sealed, Redevelopment Summary Report in compliance with the site’s Brownfields Agreement. 27 EMP Version 2, January 2021 APPROVAL SIGNATURES Brownfields Project Number: 03001-99-060 Brownfields Project Name: Terrell Machine Prospective Developer: Lock7 Development Date 8/4/2021 Printed Name/Title/Company: David Gorman, Principal, Lock7 Development Consultant: ATC Associates of North Carolina, PC Date 8/4/2021 Printed Name/Title/Company: Al Quarles, Sr. Project Manager, ATC Associates of North Carolina, PC Brownfields Project Manager: Sarah Hardison Young Date Click or tap to enter a date. DocuSign Envelope ID: 5671071C-0D92-4E72-909E-F12AA0A9F2E2 28 EMP Version 2, January 2021 28 EMP Version 2, January 2021 Environmental Management Plan (Revision 2) August 3, 2021 Terrell Machine, Brownfields Project #03001-99-060 ATC Project #199L7D0001 TABLE Sample ID SG-1 SG-3 SG-4 SG-5 Sample Location Sample Date 12/22/2020 12/22/2020 12/22/2020 12/22/2020 VOCs (EPA Method TO-15) Acetone 410 440 440 480 340 370 220,000 -- Benzene 3.7 4.1 4.0 4.2 3.0 2.7 120 -- Carbon disulfide 13 8.6 8.5 9.6 6.0 J 4.7 J 4,900 -- Chloroform <2.4 4.6 4.6 2.1 J 12 11 41 -- Cyclohexane 6.6 5.0 4.6 5.1 4.3 3.4 42,000 -- 1,3-Dichlorobenzene 3.0 4.3 4.2 5.3 3.9 3.5 NE -- Dichlorodifluoromethane 3.8 3.4 3.4 3.6 3.3 3.4 700 -- 1,1-Dichloroethane <2.0 <2.0 <2.0 <2.0 68 22 580 -- 1,1-Dichloroethylene <2.0 <2.0 <2.0 <2.0 170 36 1,400 -- cis-1,2-Dichloroethylene <2.0 <2.0 <2.0 <2.0 1.8 J <2.0 NE -- trans-1,2-Dichloroethylene <2.0 <2.0 <2.0 <2.0 170 37 NE -- Ethyl Acetate 1.4 J 1.1 J 1.2 J 0.97 J <1.8 <1.8 490 -- Ethylbenzene 1.0 J <2.2 <2.2 <2.2 <2.2 <2.2 370 -- Heptane 7.1 8.0 7.6 8.0 5.4 5.1 2,800 -- Hexane 8.4 5.5 5.4 9.0 6.2 5.0 4,900 -- Methyl Ethyl Ketone (2-Butanone)92 88 92 83 59 52 35,000 -- Methylene Chloride 2.2 1.8 2.7 2.3 2.4 2.0 3,400 -- Naphthalene 4.6 <2.6 <2.6 <2.6 <2.6 <2.6 2.8 -- Propylene 16 4.8 <0.86 8.0 <0.86 <0.86 21,000 -- Styrene 3.9 <2.1 <2.1 <2.1 <2.1 <2.1 7,000 -- Tetrachloroethylene (PCE)2.8 J 2.8 J 2.5 J 2.5 J 7.7 26 280 -- Tetrahydrofuran 420 500 510 500 320 290 14,000 -- Toluene 100 75 72 89 52 40 35,000 -- 1,1,1-Trichloroethane 1.9 J 1.2 J 1.1 J <2.7 <2.7 16 35,000 -- Trichloroethylene (TCE)<2.7 <2.7 <2.7 <2.7 35 120 14 -- Trichlorofluoromethane 2.6 J 2.1 J <2.8 2.1 J 2.4 J <2.8 NE -- 1,2,4-Trimethylbenzene 6.1 5.7 5.6 5.7 5.0 4.9 420 -- Vinyl chloride <1.3 <1.3 <1.3 <1.3 1.2 J <1.3 56 -- Xylenes, Total 5.2 J 4.6 J 4.5 J 4.2 J 1.9 J 1.6 J 700 -- Residential Risk Calculator (July 2020) (3) LICR --< 1.00E-04 Non-Carcinogenic HI --< 1 Notes: 1) North Carolina Department of Environmental Quality (NCDEQ) Division of Waste Management (DWM) Vapor Intrusion Sub-Slab/Soil Gas Screening Level (VISL) (July 2019) 2) NCDEQ DWM Risk Calculator (July 2020) 3) Risk Calculator results were calculated using the highest concentrations of each VOC per parcel Compounds concentrations are reported in micrograms per cubic meter (µg/m3) Compounds concentrations are reported to the laboratory method reporting limit, excluding the "J" flagged values Grayed values indicate the VOC was below the laboratory method reporting limit Bold values indicates the cumulative LICR or HI exceeds the acceptable risk level VOCs = Volatile Organic Compounds; NE = Not Established; -- Not Application LICR = Lifetime Incremental Carcinogenic Risk; HI = Hazard Index J = estimated concentration between laboratory method detection limit and reporting limit 1.20E-05 1.8 1.50E-06 0.024 Scenario 1 Scenario 2 SG-2 / SG-DUP Eastern Parcel (#14702144)Western Parcel (#14702143) 12/22/2020 TABLE 1 Soil Gas Sampling Results Terrell Machine Brownfields Project Number: 03001-99-060 3000-3030 South Boulevard, Charlotte, North Carolina ATC Project No. 10199L7D0001 DWM Residential VISL (1) DEQ Acceptable Cumulative Risk Levels (2) Environmental Management Plan (Revision 2) August 3, 2021 Terrell Machine, Brownfields Project #03001-99-060 ATC Project #199L7D0001 FIGURES VICINITY MAP 1"= 2,000' 1 Project Number: Date:Scale: Drawing File: Figure: App'd By: Drn. By: Ckd. By: N LATITUDE: N 35° 11' 54.35" LONGITUDE: W 80° 52' 9.68" USGS 7.5-MINUTE TOPOGRAPHIC MAP; CHARLOTTE, NC QUADRANGLE 2000; SCALE 1:24,000 H:\2021\OTHER OFFICES\NORTH CAROLINA\TERRELL MACHINE\199L7D0001-VIC.DWG, FIG105/17/2021 SEE LOWER LEFT TERRELL MACHINE 3000-3030 SOUTH BOULEVARD CHARLOTTE, NORTH CAROLINA BROWNSFIELDS PROJECT #03001-99-060 199L7D0001 DH SS SS SO U T H B O U L E V A R D RAIL CROSSING LANENEW BERN STREETME L B O U R N E C O U R T FOREST AVENUE MARSH ROADCHARLOTTE TROL L E Y T R A I L N EW B E R N S T A T I O N C O U R T8 5B9624195A95B-1AMW-2MW-1MW-3SS-5SS-2SS-3SS-1SS-4SCALE: 1" = 100'1000251005075NFORMERMACHININGAREAFORMER FINISHEDPRODUCT LOADING AREAFORMER MACHININGAREA (AFTER 1980s)FORMER STOCK ROOM(BEFORE 1980s)FORMER TERRELLPROPERTIES STOCKROOM (AFTER 1980s)FORMER BNH PHOTOPROCESSING(BEFORE 1980s)LEGEND:SITE PROPERTY LINENOTE: ALL LOCATIONS ARE APPROXIMATEBUILDING NUMBERS AND OUTLINES IN RED INDICATE THE BUILDINGSPACE CONTAINS GROUND FLOOR RESIDENTIALBUILDING NUMBERS AND OUTLINES IN PURPLE INDICATE THE BUILDINGDOES NOT CONTAIN OCCUPIED GROUND FLOOR SPACEPARCEL LINEBROWNFIELDS PROPERTY BOUNDARIESMW-1ABANDONED MONITORING WELLWell IdentificationSS-1SUB-SLAB SAMLESample IdentificationSG-1SOIL GAS SAMPLESamlpe IdentificationDN UP DN UP SG-2SG-1SG-3SG-4SG-5DN UP 102 7101 102 7100 37Figure:Drawing File: Project Number: Ckd. By: Drn. By: App'd By: Ckd. Date:Scale:Date:H:\2021\OTHER OFFICES\NORTH CAROLINA\TERRELL MACHINE\199L7D0001-SITE.DWG, FIG2 SITE MAP07/01/2021SEE LOWER LEFTTERRELL MACHINE 3000-3030 SOUTH BOULEVARD CHARLOTTE, NORTH CAROLINA BROWNFIELDS PROJECT #03001-99-060 199L7D0001AS SHOWNDH SS2NOTES: 1.Features shown are not an authoritative location, nor are they presented to a stated accuracy. COORDINATE SYSTEM: NAD 1983 NORTH CAROLINA STATE PLANE FIPS 3200, US SURVEY FEET S O U T H B O U L E V A R D RAIL CROSSING LANENEW BERN STREETCHARLOTTE TROLLEY TRAIL N EW B E R N S T A T I O N C O U R T8 5B6245A95B-1AMW-2MW-1MW-3SS-5SS-2SS-3SS-1FORMERMACHININGAREAFORMER FINISHEDPRODUCT LOADING AREAFORMER MACHININGAREA (AFTER 1980s)FORMER STOCK ROOM(BEFORE 1980s)LEGEND:SITE PROPERTY LINENOTE: ALL LOCATIONS ARE APPROXIMATEBUILDING NUMBERS AND OUTLINES IN RED INDICATE THE BUILDINGSPACE CONTAINS GROUND FLOOR RESIDENTIALBUILDING NUMBERS AND OUTLINES IN PURPLE INDICATE THE BUILDINGDOES NOT CONTAIN OCCUPIED GROUND FLOOR SPACEPARCEL LINEBROWNFIELDS PROPERTY BOUNDARIESMW-1ABANDONED MONITORING WELLWell IdentificationSS-1SUB-SLAB SAMLESample IdentificationSG-1SOIL GAS SAMPLESamlpe IdentificationPROPOSED BUILDING FOOTPRINTSG-2SG-1SG-3SG-4SG-5SCALE: 1" = 40'40010203040NDN UP DN UP DN UP 102 7101 102 7100 37Figure:Drawing File: Project Number: Ckd. By: Drn. By: App'd By: Ckd. Date:Scale:Date:H:\2021\OTHER OFFICES\NORTH CAROLINA\TERRELL MACHINE\199L7D0001-AIR.DWG, FIG3 SAMPLE LOCATION AND RISK CALCULATOR MAP07/01/2021SEE LOWER LEFTTERRELL MACHINE 3000-3030 SOUTH BOULEVARD CHARLOTTE, NORTH CAROLINA BROWNFIELDS PROJECT #03001-99-060 199L7D0001AS SHOWNDH SS3NOTES: 1.Features shown are not an authoritative location, nor are they presented to a stated accuracy 2.Soil gas samples collected on December 22, 2020. 3.No soil gas concentrations exceeded NCDEQ Residential Vapor Intrusion Screening Levels (VISLs) dated July 2020. 4.Risk Calculator results were compared to NCDEQ Acceptable Cumulative Risk Levels of < 1.0E-04 for LICR and < 1 for Hazard Index (HI). 5.Values in BOLD exceed the NCDEQ Acceptable Cumulative Risk Level for LICR or HI using the Residential Risk Calculator. 6.LICR = Lifetime Incremental Carcinogenic Risk. COORDINATE SYSTEM: NAD 1983 NORTH CAROLINA STATE PLANE FIPS 3200, US SURVEY FEET Environmental Management Plan (Revision 2) August 3, 2021 Terrell Machine, Brownfields Project #03001-99-060 ATC Project #199L7D0001 APPENDIX A REDEVELOPMENT DRAWINGS AND PLANS, AND CUT/FILL REPORT Cut/Fill Report Generated:2021-06-17 10:32:34 By user:DevinGangadeen Drawing:J:\_2020\20-CLT-116\Dwg\XREF\J:\_2020\20-CLT-116 \Dwg\XREF\X-Surfaces-(DEG temp).dwg Volume Summary Name Type Cut Factor Fill Factor 2d Area(Sq. Ft.)Cut(Cu. Yd.)Fill(Cu. Yd.)Net(Cu. Yd.) BLDG 3 - Topsoil Volume full 1.000 1.000 8074.95 89.72 0.00 89.72<Cut> BLDG 3 Cut- Fill full 1.000 1.150 6349.25 0.00 698.78* 698.78* BLDG 7 Cut- Fill full 1.000 1.150 1995.10 0.00 118.37* 118.37* BLDG 7 - Topsoil Volume full 1.000 1.000 3056.84 33.96 0.00 33.96<Cut> Totals 2d Area (Sq. Ft.) Cut (Cu. Yd.) Fill (Cu. Yd.) Net (Cu. Yd.) Total 19476.14 123.69 817.15* 693.46* * Value adjusted by cut or fill factor other than 1.0 Page 1 of 1 6/17/2021file:///C:/Users/DevinGangadeen/AppData/Local/Temp/CutFillReport.xml SOUTH BOULEVARD(VARIABLE WIDTH PUBLIC R/W)CDOT MAINTAINEDSPEED LIMIT: 35 MPHNEW BERN STREET(VARIABLE WIDTH PUBLIC R/W)CDOT MAINTAINEDSPEED LIMIT: 35 MPH740NEW BERN STATION COURTPRIVATELY MAINTAINEDSPEED LIMIT: 35 MPHRAIL CROSSING LANE VARIABLE WIDTH PUBLIC R/W CDOT MAINTAINED SPEED LIMIT: 35 MPH EXISTING CONDITIONS NOTES:NO.REVISIONS:BY:DATE:Date:Designed By:Checked By:Project No:Sheet No:1213 w morehead st ste 450charlotte, nc 28208P 704.334.3303 urbandesignpartners.comnc firm no: P-0418sc coa no: C-030443030 South 3000 South Boulevard, Charlotte, NC 28209 Lock7 Development, LLC David Gorman 1501 11th Street NW, Suite #2 Washington, DC 20001UDPUDP02.25.202120-116Existing Conditions FORREFERENCEONLYC-2.001 04.14.21 UDP LAND DEVELOPMENT REVISIONS EROSION CONTROLENGINEERINGCDOTURBAN FORESTRYNOTE: SCHEDULE PRE-CONSTRUCTION MEETINGAT LEAST 48 HRS. PRIOR TO ANY LAND DISTURBING ACTIVITY USING THE ONLINE FORM FOUND AT http://charlottenc.gov/ldNOTE: THIS PLAN APPROVAL DOES NOT INCLUDE COMMERCIAL ZONING. ALL BUILDING PERMITS AND ZONING APPROVALS CAN BE OBTAINED AT MECKLENBURG COUNTY CODE ENFORCEMENT. PLEASE CALL CTAC AT 704-314-CODE(2633) FOR MORE INFORMATION.PCSO / DETENTION / DRAINAGE PLANTREE ORDINANCEPLANNINGUMUDD / MUDD / PED / TODNOTE: THIS PLAN APPROVAL DOES NOT INCLUDE CHARLOTTE WATER. FOR MORE INFORMATION, PLEASE CALL 704-336-5499 OR VISIT http://charlottewater.orgFINAL APPROVALPROJECT NUMBER:LDUMUDD-2021-00010Keith SchellJustin KleinCraig RobinsonKevin ParkerN/A05/07/202103/01/202105/05/202105/04/2021 SOUTH BOULEVARD(VARIABLE WIDTH PUBLIC R/W)CDOT MAINTAINEDSPEED LIMIT: 35 MPHNEW BERN STREET(VARIABLE WIDTH PUBLIC R/W)CDOT MAINTAINEDSPEED LIMIT: 35 MPHNEW BERN STATION COURTPRIVATELY MAINTAINEDSPEED LIMIT: 35 MPHRAIL CROSSING LANEVARIABLE WIDTH PUBLIC R/WCDOT MAINTAINED SPEED LIMIT: 35 MPH NOTES:DEVELOPMENT SUMMARYTAX PARCEL ID #:147-021-44 & 147-021-43TOTAL SITE AREA:0.25 AC (11,073 SF)EXISTING ZONING:MUDD(CD)REZONING NUMBER:2000-021MAX FLOOR AREA RATIO (FAR):N/APROPOSED FAR:N/ASETBACKS:FRONT: 14' FROM BACK OF CURBSIDE: N/AREAR: N/AMAX. BUILDING HEIGHT:48'PROPOSED BUILDING HEIGHT:48'REQUIRED BUILDING SEPARATION:10' MIN.ALLOWED USE:120 UNITS (PER RZ 2000-021)PROPOSED USE:18 MULTI-FAMILY RESIDENTIAL UNITSEXISTING USE:96 MULTI-FAMILY RESIDENTIAL UNITS(PER MDJ-2005006)ALLOWABLE BUILDING GFA:27,040 SF PER REZONING PLAN(20% OF 135,200 SF)PROPOSED:23,391 SFVEHICULAR PARKING:REQUIRED:18 SPACES (1 SP/UNIT)1 VAN ACCESSIBLE SP1 LOADING SPACEPROVIDED:*32 EXISTING SPACES*1 EXISTING VAN ACCESSIBLE SP*1 LOADING SPACESHORT-TERM BICYCLE PARKING:REQUIRED:2 SPACES OR 1 SP/20 UNITSPROPOSED:4 SPACESDUMPSTER & RECYCLING AREAS:DUMPSTERS REQUIRED:4 (1 PER 30 UNITS / 114 TOTAL UNITS)(4 REQUIRED PER MDJ-2005006)DUMPSTERS PROVIDED:4 EXISTING DUMPSTERSRECYCLING AREA REQUIRED:2 (1 PER 80 UNITS / 114 TOTAL UNITS)(5 RECEPTACLES & 144 SF EACH)(2 REQUIRED PER MDJ-2005006)RECYCLING AREA PROVIDED:2 EXISTING STATIONS(10 RECEPTACLES 288 TOTAL SF)COMMON OPEN SPACE:REQUIRED:1,352 SF1SF/100SF OF GROSS BUILDING AREAPROPOSED:**1,352 SF MIN.1SF/100SF OF GROSS BUILDING AREANOTES:*197 EXISTING SPACES & 7 ACCESSIBLE EXISTING SPACES PROVIDED FOREXISTING MULTI-FAMILY USE REQUIRING 117 AMOUNT OF PARKING SPACES (PERMDJ-2005006)**COMMON OPEN SPACE PROVIDED PER MDJ-2005006 TO COUNT TOWARDSOPEN SPACE REQUIREMENTNO.REVISIONS:BY:DATE:Date:Designed By:Checked By:Project No:Sheet No:1213 w morehead st ste 450charlotte, nc 28208P 704.334.3303 urbandesignpartners.comnc firm no: P-0418sc coa no: C-030443030 South 3000 South Boulevard, Charlotte, NC 28209 Lock7 Development, LLC David Gorman 1501 11th Street NW, Suite #2 Washington, DC 20001UDPUDP02.25.202120-116Site PlanC-3.001 04.14.21 UDP LAND DEVELOPMENT REVISIONS EROSION CONTROLENGINEERINGCDOTURBAN FORESTRYNOTE: SCHEDULE PRE-CONSTRUCTION MEETINGAT LEAST 48 HRS. PRIOR TO ANY LAND DISTURBING ACTIVITY USING THE ONLINE FORM FOUND AT http://charlottenc.gov/ldNOTE: THIS PLAN APPROVAL DOES NOT INCLUDE COMMERCIAL ZONING. ALL BUILDING PERMITS AND ZONING APPROVALS CAN BE OBTAINED AT MECKLENBURG COUNTY CODE ENFORCEMENT. PLEASE CALL CTAC AT 704-314-CODE(2633) FOR MORE INFORMATION.PCSO / DETENTION / DRAINAGE PLANTREE ORDINANCEPLANNINGUMUDD / MUDD / PED / TODNOTE: THIS PLAN APPROVAL DOES NOT INCLUDE CHARLOTTE WATER. FOR MORE INFORMATION, PLEASE CALL 704-336-5499 OR VISIT http://charlottewater.orgFINAL APPROVALPROJECT NUMBER:LDUMUDD-2021-00010Keith SchellJustin KleinCraig RobinsonKevin ParkerN/A05/07/202103/01/202105/05/202105/04/2021 SOUTH BOULEVARD(VARIABLE WIDTH PUBLIC R/W)CDOT MAINTAINEDSPEED LIMIT: 35 MPHNEW BERN STREET(VARIABLE WIDTH PUBLIC R/W)CDOT MAINTAINEDSPEED LIMIT: 35 MPH740NEW BERN STATION COURTPRIVATELY MAINTAINEDSPEED LIMIT: 35 MPHRAIL CROSSING LANE VARIABLE WIDTH PUBLIC R/W CDOT MAINTAINED SPEED LIMIT: 35 MPH GRADING AND STORM DRAINAGE NOTES:NO.REVISIONS:BY:DATE:Date:Designed By:Checked By:Project No:Sheet No:1213 w morehead st ste 450charlotte, nc 28208P 704.334.3303 urbandesignpartners.comnc firm no: P-0418sc coa no: C-030443030 South 3000 South Boulevard, Charlotte, NC 28209 Lock7 Development, LLC David Gorman 1501 11th Street NW, Suite #2 Washington, DC 20001UDPUDP02.25.202120-116Grading & Storm Drainage PlanC-4.001 04.14.21 UDP LAND DEVELOPMENT REVISIONS EROSION CONTROLENGINEERINGCDOTURBAN FORESTRYNOTE: SCHEDULE PRE-CONSTRUCTION MEETINGAT LEAST 48 HRS. PRIOR TO ANY LAND DISTURBING ACTIVITY USING THE ONLINE FORM FOUND AT http://charlottenc.gov/ldNOTE: THIS PLAN APPROVAL DOES NOT INCLUDE COMMERCIAL ZONING. ALL BUILDING PERMITS AND ZONING APPROVALS CAN BE OBTAINED AT MECKLENBURG COUNTY CODE ENFORCEMENT. PLEASE CALL CTAC AT 704-314-CODE(2633) FOR MORE INFORMATION.PCSO / DETENTION / DRAINAGE PLANTREE ORDINANCEPLANNINGUMUDD / MUDD / PED / TODNOTE: THIS PLAN APPROVAL DOES NOT INCLUDE CHARLOTTE WATER. FOR MORE INFORMATION, PLEASE CALL 704-336-5499 OR VISIT http://charlottewater.orgFINAL APPROVALPROJECT NUMBER:LDUMUDD-2021-00010Keith SchellJustin KleinCraig RobinsonKevin ParkerN/A05/07/202103/01/202105/05/202105/04/2021 SOUTH BOULEVARD(VARIABLE WIDTH PUBLIC R/W)CDOT MAINTAINEDSPEED LIMIT: 35 MPHNEW BERN STREET(VARIABLE WIDTH PUBLIC R/W)CDOT MAINTAINEDSPEED LIMIT: 35 MPHNEW BERN STATION COURTPRIVATELY MAINTAINEDSPEED LIMIT: 35 MPHRAIL CROSSING LANE VARIABLE WIDTH PUBLIC R/W CDOT MAINTAINED SPEED LIMIT: 35 MPH FIRE HYDRANT TESTHYDRANT LOCATION:3110 SOUTH BLVDHYDRANT NUMBER:098806TEST RESULTS:DATE PERFORMED:2/10/2021TIME: 6:42 AMSTATIC PRESSURE:54 psiRESIDUAL PRESSURE:52 psiRESIDUAL FLOW:4243.94 gpmFLOW @ 20 PSI:5448.33 gpmNO.REVISIONS:BY:DATE:Date:Designed By:Checked By:Project No:Sheet No:1213 w morehead st ste 450charlotte, nc 28208P 704.334.3303 urbandesignpartners.comnc firm no: P-0418sc coa no: C-030443030 South 3000 South Boulevard, Charlotte, NC 28209 Lock7 Development, LLC David Gorman 1501 11th Street NW, Suite #2 Washington, DC 20001UDPUDP02.25.202120-116Utility Plan UTILITY NOTES:BUILDING NOTESBUILDING SIZE:BUILDING 35,390 SF PER FLOOR (FLOORS 1-3)2,553 SF PER FLOOR (FLOOR 4)18,723 SF TOTALBUILDING 71,556 SF PER FLOOR (FLOORS 1-3)4,668 SF TOTALBUILDING TYPE:BUILDING 3 - TYPE 5ABUILDING 7 - TYPE 5BBUILDINGS SPRINKLED? BUILDING 3 - 13BUILDING 7 - 13RSITE INFORMATIONTAX PARCEL ID #:147-021-44 & 147-021-43SITE ADDRESS:RAIL CROSSING LN &SOUTH BLVDCHARLOTTE, NC 28209CONTRACTOR:TBDC-6.0VICINITY MAPHYDRANT VICINITY MAPSCALE: 1" = 300'EXISTING WATER METER & BFP INSETSCALE: 1" = 20'01 04.14.21 UDP LAND DEVELOPMENT REVISIONS MATCHLINE - SEE INSET THIS SHEET EROSION CONTROLENGINEERINGCDOTURBAN FORESTRYNOTE: SCHEDULE PRE-CONSTRUCTION MEETINGAT LEAST 48 HRS. PRIOR TO ANY LAND DISTURBING ACTIVITY USING THE ONLINE FORM FOUND AT http://charlottenc.gov/ldNOTE: THIS PLAN APPROVAL DOES NOT INCLUDE COMMERCIAL ZONING. ALL BUILDING PERMITS AND ZONING APPROVALS CAN BE OBTAINED AT MECKLENBURG COUNTY CODE ENFORCEMENT. PLEASE CALL CTAC AT 704-314-CODE(2633) FOR MORE INFORMATION.PCSO / DETENTION / DRAINAGE PLANTREE ORDINANCEPLANNINGUMUDD / MUDD / PED / TODNOTE: THIS PLAN APPROVAL DOES NOT INCLUDE CHARLOTTE WATER. FOR MORE INFORMATION, PLEASE CALL 704-336-5499 OR VISIT http://charlottewater.orgFINAL APPROVALPROJECT NUMBER:LDUMUDD-2021-00010Keith SchellJustin KleinCraig RobinsonKevin ParkerN/A05/07/202103/01/202105/05/202105/04/2021 SOUTH BOULEVARD (VARIABLE WIDTH PUBLIC R/W) CDOT MAINTAINED SPEED LIMIT: 35 MPH NEW BERN STREET (VAR IABLE W IDTH PUBL IC R /W )CDOT MA INTA INEDSPEED L IM IT : 35 MPH740NEW BERN ST A T I O N C O U R T PRIVATELY MAI N T A I N E D SPEED LIMIT: 3 5 M P H RAIL CROSSING LANEVARIABLE WIDTH PUBLIC R/WCDOT MAINTAINEDSPEED LIMIT: 35 MPHEROSION CONTROL NOTES: DEMOLITION NOTES:NO.REVISIONS:BY:DATE:Date: Designed By: Checked By: Project No: Sheet No: 1213 w morehead st ste 450 charlotte, nc 28208 P 704.334.3303 urbandesignpartners.com nc firm no: P-0418 sc coa no: C-03044 3030 South3000 South Boulevard, Charlotte, NC 28209Lock7 Development, LLCDavid Gorman1501 11th Street NW, Suite #2Washington, DC 20001UDP UDP 02.25.2021 20-116 Erosion Control - Phase 1MAINTENANCE PLAN: EROSION CONTROL LEGEND: C-7.00104.14.21UDPLAND DEVELOPMENT REVISIONSEROSION CONTROL ENGINEERING CDOT URBAN FORESTRY NOTE: SCHEDULE PRE-CONSTRUCTION MEETINGAT LEAST 48 HRS. PRIOR TO ANY LAND DISTURBING ACTIVITY USING THE ONLINE FORM FOUND AT http://charlottenc.gov/ld NOTE: THIS PLAN APPROVAL DOES NOT INCLUDE COMMERCIAL ZONING. ALL BUILDING PERMITS AND ZONING APPROVALS CAN BE OBTAINED AT MECKLENBURG COUNTY CODE ENFORCEMENT. PLEASE CALL CTAC AT 704-314-CODE(2633) FOR MORE INFORMATION. PCSO / DETENTION / DRAINAGE PLAN TREE ORDINANCE PLANNING UMUDD / MUDD / PED / TOD NOTE: THIS PLAN APPROVAL DOES NOT INCLUDE CHARLOTTE WATER. FOR MORE INFORMATION, PLEASE CALL 704-336-5499 OR VISIT http://charlottewater.org FINAL APPROVAL PROJECT NUMBER:LDUMUDD-2021-00010 Keith Schell Justin Klein Craig Robinson Kevin Parker N/A 05/07/2021 03/01/2021 05/05/2021 05/04/2021 SOUTH BOULEVARD (VARIABLE WIDTH PUBLIC R/W) CDOT MAINTAINED SPEED LIMIT: 35 MPH NEW BERN STREET (VAR IABLE W IDTH PUBL IC R /W )CDOT MA INTA INEDSPEED L IM IT : 35 MPH740NEW BERN ST A T I O N C O U R T PRIVATELY MAI N T A I N E D SPEED LIMIT: 3 5 M P H RAIL CROSSING LANEVARIABLE WIDTH PUBLIC R/WCDOT MAINTAINEDSPEED LIMIT: 35 MPHCONSTRUCTION SCHEDULE:Erosion Control - Phase 2NO.REVISIONS:BY:DATE:Date: Designed By: Checked By: Project No: Sheet No: 1213 w morehead st ste 450 charlotte, nc 28208 P 704.334.3303 urbandesignpartners.com nc firm no: P-0418 sc coa no: C-03044 3030 South3000 South Boulevard, Charlotte, NC 28209Lock7 Development, LLCDavid Gorman1501 11th Street NW, Suite #2Washington, DC 20001UDP UDP 02.25.2021 20-116 EROSION CONTROL LEGEND: C-7.10104.14.21UDPLAND DEVELOPMENT REVISIONSEROSION CONTROL ENGINEERING CDOT URBAN FORESTRY NOTE: SCHEDULE PRE-CONSTRUCTION MEETINGAT LEAST 48 HRS. PRIOR TO ANY LAND DISTURBING ACTIVITY USING THE ONLINE FORM FOUND AT http://charlottenc.gov/ld NOTE: THIS PLAN APPROVAL DOES NOT INCLUDE COMMERCIAL ZONING. ALL BUILDING PERMITS AND ZONING APPROVALS CAN BE OBTAINED AT MECKLENBURG COUNTY CODE ENFORCEMENT. PLEASE CALL CTAC AT 704-314-CODE(2633) FOR MORE INFORMATION. PCSO / DETENTION / DRAINAGE PLAN TREE ORDINANCE PLANNING UMUDD / MUDD / PED / TOD NOTE: THIS PLAN APPROVAL DOES NOT INCLUDE CHARLOTTE WATER. FOR MORE INFORMATION, PLEASE CALL 704-336-5499 OR VISIT http://charlottewater.org FINAL APPROVAL PROJECT NUMBER:LDUMUDD-2021-00010 Keith Schell Justin Klein Craig Robinson Kevin Parker N/A 05/07/2021 03/01/2021 05/05/2021 05/04/2021 SOUTH BOULEVARD (VARIABLE WIDTH PUBLIC R/W) CDOT MAINTAINED SPEED LIMIT: 35 MPH NEW BERN STREET (VAR IABLE W IDTH PUBL IC R /W )CDOT MA INTA INEDSPEED L IM IT : 35 MPH NEW BERN ST A T I O N C O U R T PRIVATELY MAI N T A I N E D SPEED LIMIT: 3 5 M P H RAIL CROSSING LANEVARIABLE WIDTH PUBLIC R/WCDOT MAINTAINEDSPEED LIMIT: 35 MPHCCA 1 T5EES C2DE %2TAN,CAL C2002N NA0E CCA CE5C,S CANADENS,S CTHE 5,S,NG SUNC THE 5,S,NG SUN EASTE5N 5ED%UD PLANT LEGEND LANDSCAPE REQUIREMENTS:Landscape PlanNO.REVISIONS:BY:DATE:Date: Designed By: Checked By: Project No: Sheet No: 1213 w morehead st ste 450 charlotte, nc 28208 P 704.334.3303 urbandesignpartners.com nc firm no: P-0418 sc coa no: C-03044 3030 South3000 South Boulevard, Charlotte, NC 28209Lock7 Development, LLCDavid Gorman1501 11th Street NW, Suite #2Washington, DC 20001UDP UDP 02.25.2021 20-116 LS-1.0 NOTES: ;;; ;;0104.14.21UDPLAND DEVELOPMENT REVISIONSEROSION CONTROL ENGINEERING CDOT URBAN FORESTRY NOTE: SCHEDULE PRE-CONSTRUCTION MEETINGAT LEAST 48 HRS. PRIOR TO ANY LAND DISTURBING ACTIVITY USING THE ONLINE FORM FOUND AT http://charlottenc.gov/ld NOTE: THIS PLAN APPROVAL DOES NOT INCLUDE COMMERCIAL ZONING. ALL BUILDING PERMITS AND ZONING APPROVALS CAN BE OBTAINED AT MECKLENBURG COUNTY CODE ENFORCEMENT. PLEASE CALL CTAC AT 704-314-CODE(2633) FOR MORE INFORMATION. PCSO / DETENTION / DRAINAGE PLAN TREE ORDINANCE PLANNING UMUDD / MUDD / PED / TOD NOTE: THIS PLAN APPROVAL DOES NOT INCLUDE CHARLOTTE WATER. FOR MORE INFORMATION, PLEASE CALL 704-336-5499 OR VISIT http://charlottewater.org FINAL APPROVAL PROJECT NUMBER:LDUMUDD-2021-00010 Keith Schell Justin Klein Craig Robinson Kevin Parker N/A 05/07/2021 03/01/2021 05/05/2021 05/04/2021 Environmental Management Plan (Revision 2) August 3, 2021 Terrell Machine, Brownfields Project #03001-99-060 ATC Project #199L7D0001 APPENDIX B TABLES AND FIGURES FROM PRIOR ASSESSMENT REPORTS 5B-1A5B891624995AS O U T H B L V D RAIL CROSSING LANENEW BERN STREETMW-1MW-2MW-3SS-1SS-2SS-3SS-4SS-5SS-6SS-7MW-1SS-2730.0729.30730.72729.81729.30730.5 730.0 729.5 PROJECT NO. NOTES: 1.Features shown are not an authoritative location, nor are they presented to a stated accuracy. DATE TITLE SCALEREV. BYPREP. BYCAD FILE COORDINATE SYSTEM: NAD 1983 NORTH CAROLINA STATE PLANE FIPS 3200, US SURVEY FEET (704) 529-3200Charlotte, North Carolina, 28273 ATC Associates of North Carolina, P.C. 5B-1A5B891624995AS O U T H B L V D RAIL CROSSING LANENEW BERN STREETMW-1MW-2MW-3SS-1SS-2SS-3SS-4SS-5SS-6SS-7MW-1SS-2PROJECT NO. NOTES: 1.Features shown are not an authoritative location, nor are they presented to a stated accuracy. 2.Groundwater concentrations in BOLD text exceed 2L Standard. 3.Groundwater concentrations in Underlined text exceed Residential GWSL. 4.Groundwater concentrations are measured in milligrams per liter (mg/L). 5.Sub-Slab concentrations in BOLD text exceed Residential SGSL. 6.Risk results in BOLD exceed levels deemed acceptable by NCDEQ Brownfields Program. 7.Sub-Slab concentrations are measured in micrograms per cubic meter (µg/m³). 8.J = Estimated value between the laboratory reporting and method detection limits.DATE TITLE SCALEREV. BYPREP. BYCAD FILE COORDINATE SYSTEM: NAD 1983 NORTH CAROLINA STATE PLANE FIPS 3200, US SURVEY FEET (704) 529-3200Charlotte, North Carolina, 28273ATC Associates of North Carolina, P.C. MW-1 1/23/18 2 0.010 20 5-20 740.67 11.37 729.30 7.93 760 3.85 5.71 187 272 MW-2 1/23/18 2 0.010 20 5-20 739.81 9.09 730.72 10.59 1,790 6.38 4.91 288 347 MW-3 1/23/18 2 0.010 20 5-20 738.69 8.88 729.81 13.16 1,440 5.84 5.13 255 178 Notes: TOC = Top of casing Elevations of TOCs were measured by ATC relative to the estimated ground surface elevation near monitor well MW-1 based on the USGS 7.5-Minute Topographic Map Depth to water in the monitor wells were measured on 1/24/18 °C = degrees Celsius µs/cm2 = microsiemens per centimeter squared mg/L = mlligrams per liter mV = millivolts NTU = Nephelometric Turbidity Unit TABLE 1 Groundwater Elevation (feet) Temperature (OC) Conductivity (µs/cm2) Slot Size (inches) Total Well Depth (feet) Depth to Water (feet) Dissolved Oxygen (mg/L) GROUNDWATER MONITOR WELL CONSTRUCTION AND WATER QUALITY DATA Turbidity (NTU) CHARLOTTE, MECKLENBURG COUNTY, NORTH CAROLINA 3000-3030 SOUTH BOULEVARD TERRELL MACHINE COMPANY PROPERTY, NCBP # 03001-99-060 Date of Construction pH (standard units) Oxidation Reduction Potential (mV) TOC Elevation (feet) Well ID Screen Interval (feet) Well Diameter (inches) LIMITED PHASE II ESA ChlorobenzeneChloroform1,1-Dichloroethane1,1-Dichloroethylenecis-1,2-Dichloroethylenetrans-1,2-DichloroethyleneTetrachloroethyleneTolueneTrichloroethyleneVinyl ChlorideMW-1 1/24/18 0.0016J 0.00062J 0.0051 0.00080J 0.11 0.00056J 0.11 <0.0020 0.011 0.00040J Duplicate (MW-1)1/24/18 <0.0020 0.00050J 0.0044 0.00086J 0.11 0.00072J 0.13 <0.0020 0.012 0.00034J RPD NA ---21%15%7%0%25%17%---9%21% MW-2 1/24/18 <0.40 <0.80 <0.40 <0.40 0.94 <0.40 26 0.24J 0.98 <0.80 MW-3 1/24/18 <0.20 <0.40 0.044J 0.060J 2.6 <0.20 16 <0.20 1.9 <0.40 Trip Blank 1/24/18 <0.0010 <0.0020 <0.0010 <0.0010 <0.0010 <0.0010 <0.00050 <0.0010 <0.0010 <0.0020 0.05 0.07 0.006 0.350 0.07 0.1 0.0007 0.6 0.003 0.00003 0.082 0.0081 0.076 0.039 NE NE 0.012 3.8 0.001 0.0015 Notes: Concentrations are in milligrams per liter (mg/L) "<" = Constituent not detected above laboratory reporting limit. NCDEQ 2L Standard = North Carolina Department of Environmental Quality Title 15A NCAC 2L .0202 Groundwater Standard NA = Not Applicable NE = Not Established VOCs = Volatile Organic Compounds TICs = Tentatively Identified Compounds GWSL = NCDEQ Groundwater Screening Level for vapor intrusion, February 2018. Bold values indicate concentration exceeds 2L Standard.Underlined values exceed Residential GWSL. J = Concentration reported between the method detection limit and laboratory detection limit. RPD : Relative Percent Difference between sample and duplicate: ABS(X-Y)/((X+Y)/2) GROUNDWATER ANALYTICAL SUMMARY TABLE 2 CHARLOTTE, MECKLENBURG COUNTY, NORTH CAROLINA 3000-3030 SOUTH BOULEVARD TERRELL MACHINE COMPANY PROPERTY, NCBP # 03001-99-060 LIMITED PHASE II ESA Concentrations in mg/L Well ID NCDEQ 2L Standard Residential GWSL Date Sampled EPA METHOD 8260B VOCs with TICs TABLE 3 SUB-SLAB GAS ANALYTICAL SUMMARY LIMITED PHASE II ESA TERRELL MACHINE COMPANY PROPERTY, NCBP # 03001-99-060 3000-3030 SOUTH BOULEVARD CHARLOTTE, MECKLENBURG COUNTY, NORTH CAROLINA BenzeneBromodichloromethane2-Butanone (MEK)Carbon DisulfideCarbon tetrachlorideChloroformChloromethane1,2-Dichloroethane (EDC)1,1-DichloroethyleneDichlorodifloromethaneEthylbenzene4-EthyltolueneMethylene Chloride (Dichloromethane)StyreneTetrachloroethyleneToluene1,1,1-TrichloroethaneTrichloroetheneTrichlorofluoromethane1,2,4-Trimethylbenzene1,3,5-TrimethylbenzeneVinyl chlorideTotal Xylenes1/25/18 <3.2 <6.8 <30 6.9 <6.4 <4.9 <2.1 <4.1 <4.0 <5.0 <4.4 <5.0 <3.5 <4.3 <6.9 51 <5.5 <5.5 <5.6 <5.0 <5.0 <2.6 9.1 0.0E+00 0.0032 1/25/18 X <3.2 <6.8 <30 7.4 <6.4 7.5 2.4 <4.1 <4.0 <5.0 <4.4 <5.0 <3.5 <4.3 11 32 <5.5 <5.5 <5.6 <5.0 <5.0 <2.6 <13.2 1.9E-06 0.11 RPD ---------7.0%---------------------------------46%---------------------NA NA 7/11/19 2.4 J <6.8 <30 1.1 J <6.4 3.1 J 0.9 J <4.1 <4.0 2.8 J 7.5 <5.0 1.8 J 2.9 J 120 27 2.4 J 3.1 J 1.6 J 8.5 2.8 J <2.6 25.2 1.7E-06 0.15 7/11/19 X 1.0 J <6.8 2.0 J <6.3 <6.4 3.6 J 0.6 J <4.1 <4.0 2.0 J 9.7 <5.0 1.0 J 2.7 J 150 20 2.4 J 2.8 J 1.2 J 10 3.6 J <2.6 23.2 1.8E-06 0.16 RPD 82%------------15%40%------33%26%---57%7%22%30%0%10%29%16%25%---8%NA NA 1/25/18 5.5 <6.8 <30 8.7 <6.4 <4.9 2.7 <4.1 <4.0 <5.0 4.5 <5.0 5.4 <4.3 <6.9 50 <5.5 <5.5 <5.6 <5.0 <5.0 <2.6 24.8 5.8E-07 0.014 7/11/19 1.0 J <6.8 4.1 J <6.3 <6.4 15 0.7 J <4.1 <4 2.3 J 4.3 J <5.0 <3.5 2.5 J 32 18 <5.5 <5.5 1.2 J 5.7 1.7 J <2.6 17.3 J 4.0E-06 0.038 1/25/18 <3.2 <6.8 <30 <6.3 <6.4 7.7 <2.1 <4.1 <4.0 <5.0 7.4 <5.0 <3.5 4.7 <6.9 66 <5.5 <5.5 <5.6 <5.0 <5.0 <2.6 21.0 2.1E-06 0.0090 7/11/19 1.1 J <6.8 2.6 J <6.3 <6.4 20 3.5 <4.1 <4.0 2.5 J 11 <5.0 1.2 J 2.8 J 19 18 <5.5 <5.5 1.5 J 10 3.7 J <2 6 21.5 5.4E-06 0.036 1/25/18 <3.2 <6.8 <30 <6.3 <6.4 <4.9 <2.1 <4.1 <4.0 <5.0 7.7 <5.0 <3.5 4.9 58 94 <5.5 <5.5 <5.6 11 <5.0 <2.6 24.7 3.7E-07 0.0055 7/11/19 0.9 J <6.8 <30 <6.3 <6.4 2.3 J 1.1 J <4.1 <4.0 1.8 J 5.1 1.8 J <3.5 2.2 J 95 16 4.1 J 3.8 J 1.4 J 7.5 2.6 J <2.6 13.3 J 1.3E-06 0.13 1/25/18 <3.2 16 <30 <6.3 <6.4 920 <2.1 <4.1 <4.0 <5.0 <4.4 <5.0 4.4 <4.3 7.0 25 <5.5 <5.5 <5.6 <5.0 <5.0 <2.6 <13.2 2.3E-04 0.28 7/11/19 1.1 J 3.7 J 4.0 J 2.1 J 5.3 J 3,100 0.9 J <4.1 <4.0 2.4 J 5.6 <5.0 2.6 J 2.5 J 44 16 <5.5 <5.5 <5.6 7.4 2.5 J 1.3 J 17.4 7.6E-04 0.95 SS-6 7/11/19 1.2 J <6.8 3.9 J 2.0 J <6.4 <4.9 <2.1 <4.1 <4.0 1.8 J 21 <5.0 1.1 J 3.1 J 6.7 J 23 <5.5 <5.5 <5.6 10 4.4 J <2.6 27.7 6.8E-07 0.022 SS-7 7/12/19 5.1 <6.8 14 J 1.3 J <6.4 11 1.5 J 3.5 J 4.2 1.7 J 24 <5.0 1.2 J 3.6 J 7.8 62 <5.5 5.1 J <5.6 15 6.0 <2.6 55 4.8E-06 0.057 120 25 35,000 4,900 4,900 41 630 36 1,400 700 370 NE 4,200 7,000 280 35,000 35,000 14 NE 420 420 56 700 NA NA Notes: Concentrations in micrograms per cubic meter (µg/m³) VOCs = Volatile Organic Compounds NCDEQ DWM: North Carolina Department of Environmental Quality, Division of Waste Management Residential SGSL = Residential Soil Gas Screening Level for vapor intrusion, February 2018. <#: Less than laboratory reporting limit. Bold values exceed the NCDEQ DWM Residential Soil Gas Screening Levels Bold Underlined values exceed the 1E-4 Cumulative Carcingenic Risk for Residents based on the May 2019 NCDEQ DWM Risk Calculator NA: Not Applicable RPD : Relative Percent Difference between sample and duplicate: ABS(X-Y)/((X+Y)/2)Cumulative CarcinogenicRiskCumulative Non-Carcinogenic Hazard IndexSS-4 SS-3 DuplicateSS-2 SS-5 Residential SGSL SS-1 Sample ID Date Sampled VOCs - EPA METHOD TO-15 Concentration (µg/m³)