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HomeMy WebLinkAbout16019_Enfield_GW Report_201509231 Macdonald, Janet K From:Macdonald, Janet K Sent:Monday, October 05, 2015 4:21 PM To:'Phil Rahn' Cc:Dawson, Amos; Nicole.Mikulas@acegroup.com; 'Venkat Puranapanda'; dlockhart@ei1.com Subject:RE: Old QFP August 2015 Groundwater Monitoring Report Your monitoring report has been received by the REC Program.  I noticed that the graph for MW‐14 did not reflect the  recent increase in contaminant concentrations (the highest reported concentration) in a downgradient monitoring well.   Additional monitoring may be needed to understand site conditions following the drip pad removal, and ensure  ecological environments and surface waters are not at risk.     Thank you,    Janet    Janet Macdonald  Phone: (919) 707‐8349     E‐mail correspondence to and from this address may be subject to the North Carolina Public Records Law and may be  disclosed to third parties unless the content is exempt by statute or other regulation.    ‐‐‐‐‐Original Message‐‐‐‐‐  From: Phil Rahn [mailto:prahn@watersedgeenv.com]   Sent: Monday, October 05, 2015 3:28 PM  To: Macdonald, Janet K <janet.macdonald@ncdenr.gov>  Cc: Dawson, Amos <adawson@williamsmullen.com>; Nicole.Mikulas@acegroup.com; 'Venkat Puranapanda'  <Venkat.Puranapanda@acegroup.com>; dlockhart@ei1.com  Subject: Old QFP August 2015 Groundwater Monitoring Report    Janet‐ Attached is the August 2015 Groundwater Monitoring Report for Old QFP.     Phillip Rahn  President  Waters Edge Environmental  4901 Waters Edge Drive, Suite 201  Raleigh, NC 27606  prahn@watersedgeenv.com  919.219.5820 (cell)  919.859.9987 (office)  919.859.9930 (fax)      August 2015 Groundwater Monitoring Report Old QFP, Inc. 21144 US Highway 301 South Enfield, North Carolina Docket No. 09-SF-285 September 23, 2015 Prepared For Old QFP, Inc. Prepared By The EI Group, Inc. Morrisville, North Carolina Mr. Darren Lockhart P.G. #2130 2101 Gateway Centre Boulevard, Suite 200 Morrisville, North Carolina 27560 919.657.7500 dlockhart@ei1.com and Waters Edge Environmental LLC Raleigh, North Carolina Mr. Phillip Rahn P.G. #386 Waters Edge Environmental 4901 Waters Edge Drive, Suite 201 Raleigh, North Carolina 27606 919.859.9987 prahn@watersedgeenv.com WATERS EDGE ENVIRONMENTAL, LLC 4901 WATERS EDGE DRIVE, SUITE 201  RALEIGH, NC 27606  PHONE 919.859.9987  FAX 919.859.9930 September 23, 2015 Mrs. Janet MacDonald - NCDENR REC Program Inactive Hazardous Sites Branch 401 Oberlin Road, Suite 150 Raleigh, North Carolina 27605 Reference: August 2015 Groundwater Monitoring Report Old QFP Site 21144 US Highway 301 South Enfield, North Carolina Docket No. 09-SF-285 Waters Edge Project No. R9-01 Dear Mrs. MacDonald: Environmental Investigations/Waters Edge Environmental LLC is pleased to provide the enclosed August 2015 Groundwater Monitoring Report that we have prepared for Old QFP, Inc. If you have any questions, please contact us at (919) 859-9987. Sincerely, THE EI GROUP, INC. WATERS EDGE ENVIRONMENTAL LLC Darren R. Lockhart P.G. Mike Walker PE, CEM, LEED-AP EI-Manager of Environmental Operations Phillip L. Rahn, P.G., RSM Waters Edge-Senior Project Manager 15-045/PLR/dl ii Table of Contents 1.0 EXECUTIVE SUMMARY ....................................................................................................... 1  2.0 REC REPORT REQUIREMENTS............................................................................................ 3  3.0 SITE INFORMATION .............................................................................................................. 4  3.1 Site Identification ...................................................................................................................... 4  3.2 Contact Information .................................................................................................................. 4  3.3 Site Characteristics .................................................................................................................... 5  3.3.1 Site Location ................................................................................................................. 5  3.3.2 Land Use ....................................................................................................................... 6  3.3.3 Topography and Surface Water .................................................................................... 7  3.3.4 Geology and Hydrogeology .......................................................................................... 7  3.3.5 Operational History ....................................................................................................... 7  3.3.6 Regulatory History ........................................................................................................ 8  4.0 AUGUST 2015 SAMPLING EVENT ....................................................................................... 9  4.1 Groundwater Sampling ............................................................................................................. 9  4.2 Surface Water Sampling ......................................................................................................... 10  5.0 RESULTS ................................................................................................................................ 11  5.1 Groundwater Flow and Hydraulic Gradient ........................................................................... 11  5.2 Groundwater Analytical Results ............................................................................................. 11  5.4 Quality Assurance/Quality Control (QA/QC)-(.0306(h)(4)) .................................................. 12  6.0 CONCLUSIONS AND RECOMMENDATIONS .................................................................. 12  7.0 CERTIFICATIONS (.0306(B)(1-2)) ....................................................................................... 14  iii List of Figures Figure 1 Facility Location Map Figure 2 Site Location Map Figure 3 Groundwater Contour Map (August 2015) Figure 4 Arsenic Isoconcentration Map (August 2015) Figure 5 Boron Isoconcentration Map (August 2015) Figure 6 Chromium Isoconcentration Map (August 2015) Figure 7 Surface Water Sampling Location Map List of Tables Table 1 Groundwater Elevation Results Table 2 Water Quality Parameters Table 3 Historic and Current Groundwater Analytical Results List of Appendices Appendix A Groundwater Analytical Results Appendix B Certification Statements iv Acronym List AA Administrative Agreement ACQ Alkaline Copper Quaternary AOC area of concern AST above ground storage tank BGS below ground surface BRL below reportable limits °C Celsius COCs Constituents of Concern CORPS US Army Corps of Engineers CCA Chromated-Copper Arsenate EI EI Group, Inc. Ft/ft Foot per foot FWP Fortress Wood Products G-P Georgia-Pacific GRG Groundwater Remediation Goal mg/kg milligrams per kilograms or parts per million HWS Hazardous Waste Section IDW Investigation-Derived Wastes LUR Land Use Restrictions NC North Carolina NCDENR North Carolina Department of Environment and Natural Resources 2L North Carolina Groundwater Standards MSCC Maximum Soil Contaminant Concentrations MSL Mean Seal Level v Acronym List (continued) PQL Practical Quantitation Limits PPM Priority Pollutant Metals PVC Polyvinyl Chloride QFP Quality Forest Products REC Registered Environmental Consultant RPD Relative Percent Difference SAP Sampling and Analysis Plan SIC Standard Industrial Classification SOPs Standard Operating Procedures SRG Soil Remediation Goals SVOCs semi-volatile organic compounds TCLP Toxicity Characteristic Leaching Procedure TICs Tentatively Identified Compounds USEPA United States Environmental Protection Agency USGS United States Geological Survey UST underground storage tank VOCs volatile organic compounds Waters Edge Waters Edge Environmental, LLC Page 1 of 14 August 2015 Groundwater Monitoring Report Former Old QFP, Inc. Facility Enfield, North Carolina September 23, 2015 1.0 EXECUTIVE SUMMARY Based on the August 2015 groundwater sampling event and analytical results, our conclusions are as follows:  Groundwater flows to the south/southeast on a horizontal gradient of approximately 0.009 ft./ft. This is consistent with historic readings since MW-15 was installed in 2014.  Inorganics were detected at concentrations above the GRGs for groundwater monitoring wells MW-1, MW-3, MW-6R, MW-7, MW-12, MW-13, and MW-14, with the highest concentrations detected at MW-13 for arsenic (1.1 mg/L), MW-3 for boron (0.99 mg/L) and MW-3 for chromium (0.36 mg/L). Several monitoring wells were not sampled, because they are not essential for plume delineation, and it is not cost effective to monitor them. Once certain of the monitoring wells with historic sampling results orders of magnitude above GRGs have been reduced to at or near the GRG standard, we plan to sample all monitoring wells for all parameters for purposes of demonstrating that all GRGs have been met. This is the eighth groundwater monitoring event following soil removal actions in 2011 when over 4,479 tons of concrete and soil were removed from eleven AOCs at the site. We conclude that analytical results have demonstrated either stable or declining trends with the exception of the following: 1. MW-3- arsenic and chromium are demonstrating recent increasing trends. 2. MW-7- arsenic is demonstrating a recent increasing trend. 3. MW-12- arsenic is demonstrating a recent increasing trend. 4. MW-13- arsenic is demonstrating a recent slight increasing trend. These recent increasing trends should be evaluated in light of the recent RCRA pads soils and concrete source removal activities in 2014, as referenced below, which caused a considerable amount of soil and shallow groundwater disturbance. We anticipate that in the long term, stable to decreasing trends will resume as the effects of the soil and shallow groundwater table disturbances subside. August 2015 Groundwater Monitoring Report Old QFP, Inc. Enfield, North Carolina September 23, 2015 Page 2 of 14  In the fourth quarter 2013, testing was conducted on the two (2) RCRA pads and the underlying soils. The testing demonstrated that the RCRA pads and soil were not characteristic of hazardous wastes. Subsequent to testing, the two (2) RCRA concrete pads were removed along with approximately one (1) foot of the soil below the pads to a depth of approximately two (2) feet bgs which is close to the shallow groundwater table. In the first quarter of 2014, the concrete pads were disposed in a land clearing and inert debris landfill located in Raleigh, North Carolina and the soils were disposed at the Republic Landfill located in Aulander, North Carolina. The RCRA pads and soil were immediately upgradient of MW-3 and MW-4. Therefore, this sampling round represents the second post-excavation groundwater sampling subsequent to these remedial efforts. The results from MW-3 detected both increasing results for arsenic (0.022 mg/L in 2013, 0.034 mg/L in 2014 and 0.32 mg/L in 2015) and chromium (BRL in 2013, 0.0085 mg/L in 2014 and 0.36 mg/L in 2015) while boron decreased (1.6 mg/L in 2013, 0.99 mg/L in 2014 and 0.99 mg/L in 2015). The results for MW-4 were BRL for boron and chromium in 2013, and 2014 and 2015, while arsenic demonstrates an overall decreasing trend from 0.033 mg/L in 2013, BRL in 2014 and 0.012 mg/L in 2015. As indicated above, we anticipate that after the effects of the soil and shallow groundwater table disturbances subside, the stable to decreasing trends will resume in all wells.  MW-15 (upgradient monitoring well) and MW-6R were below all GRGs with the exception of MW-6R detecting arsenic at 0.015 mg/L which is slightly above the GRG at 0.01 mg/L. Therefore, the upgradient and eastern limits of the plume is delineated. While the southern downgradient portion of the plume has GRG exceedances, it has been concluded that further assessment is not technically prudent due to the fact that this area is considered wetlands. The amount of disturbance to emplace a monitoring well would be considerable and the surface water discharge represented by Fishing Creek is relatively close to the existing downgradient monitoring wells. August 2015 Groundwater Monitoring Report Old QFP, Inc. Enfield, North Carolina September 23, 2015 Page 3 of 14  Arsenic and chromium appear to be the most prevalent constituents exceeding GRGs at the site, while boron GRG exceedances are limited to only several wells for the wells tested.  Two surface water samples were collected (SW-1 (Upstream) and SW-2 (Downstream)). The Upstream sample and Downstream samples were below BRL and had no NCDENR 2B surface water standard exceedances. The Midstream sample was collected in standing water prior to reaching Fishing Creek, and we have determined this to be classified as Swamp Water. This sample did exhibit arsenic (0.83 mg/L) and chromium (0.089 mg/L); however, the Swamp Water classification in NCDENR 2B has no standards for either constituent. This would indicate that there is some impacted groundwater discharging into the Fishing Creek; however, it dissipates to below 2B Standard at the downgradient property line. As discussed in past remedial investigation reports, the southern portion of the site is comprised of freshwater forested/shrub wetlands and is considered a sensitive receptor. The elevated detection of arsenic in the Swamp Water would be considered impact to a sensitive receptor and thus, has been noted in a past report. While this is notable, we still do not consider this to be an imminent threat (0305(b)(2)). 2.0 REC REPORT REQUIREMENTS We have complied with the REC Guidance document requirements for this report as follows:  Report Submission (.0302(l)) - Waters Edge is an approved REC firm, and Mr. Phillip Rahn is the RSM. All reports with appendices are kept on file electronically at our office located at 4901 Waters Edge Drive, Suite 201, Raleigh, North Carolina 27606. This report has been submitted to NCDENR within 30 days of its certification and can be obtained at the NCDENR office located at 401 Oberlin Road, Suite 150, Raleigh, North Carolina 27605.  Imminent Hazard (.0305(b)(2))- During this investigation, no imminent hazards were discovered onsite that would require a 24-hour submittal to NCDENR.  Sensitive Environments, Mixed Chemical and Radioactive Wastes, or Off-site Migration of Hazardous Substances (.0305 (b)(3))- During this investigation, no additional sensitive environments were found other than the wetlands in the southern portion of the property, August 2015 Groundwater Monitoring Report Old QFP, Inc. Enfield, North Carolina September 23, 2015 Page 4 of 14 which have previously been discussed. There were no mixed chemical or radioactive wastes or off-site migration of hazardous substances documented requiring written 24-hour submittal to NCDENR.  Sample Collection and Analytical Procedures (.0306(C))- We utilized EPA approved sampling procedures.  Community HASP (.0306(d))- A community HASP has been previously written and was appended to the September 16, 2009 Remedial Investigation Work Plan. 3.0 SITE INFORMATION 3.1 Site Identification Date of Report: September 23, 2015 Facility I.D.: Docket No. 09-SF-285 Incident Number (if known): 87916 Site Rank: N/A Site Name: Former Old QFP Facility Site Street Address: 21144 US Highway 301 South City/Town: Enfield State: NC Zip Code: 27823 County: Halifax Description of Geographical Data Point (e.g., dispenser): US 301 South Between Whitakers and Enfield, NC Location Method (GPS, topographical map, other): GPS and topographical map Latitude: 36.1543 N Longitude: 77.6903 W 3.2 Contact Information Site Owner: Old QFP, Inc. sold the site to Enfield Timber, LLC on 7/8/13; See below. Address: Old QFP, Inc., 327 Jefferson Street, Roanoke Rapids, NC 27870 Tel.: 336.339.3027 Operator: Old QFP, Inc. sold the Site to Enfield Timber, LLC on or about 7/8/13. August 2015 Groundwater Monitoring Report Old QFP, Inc. Enfield, North Carolina September 23, 2015 Page 5 of 14 Property Owner/Occupant: Enfield Timber, LLC. Address: 2200 Barnetts Road, Providence Forge, Va.,23140. Tel: 443.324.9969 Consultant/Contractor: EI/Waters Edge Environmental Address: 2101 Gateway Centre Boulevard, Suite 200, Morrisville, NC 27560 4901 Waters Edge Drive, Suite 201, Raleigh, NC 27606 Tel: 919.657.7500 919.859.9987 Analytical Laboratory: Prism State Certification No. 402 Address: 449 Springbrook Road, Charlotte, NC 28224 Tel: 704.525.0409 3.3 Site Characteristics 3.3.1 Site Location EI and Waters Edge, on behalf of Old QFP, Inc., successor to QFP Inc., have conducted several phases of site investigation and remediation at the subject facility, located at 21144 US Highway 301 South (36.1543 north latitude and 77.6903 west longitude) in Enfield, Halifax County, North Carolina. The subject facility, referred to as the “Site” or “subject property” henceforth, is 58.7 acres, of which approximately 18 acres were used for facility operations (see Figure 1). The area of investigation and remediation is located on the parcel west of Highway 301. It is bounded to the north by G-P-Industrial Wood Products Division; to the east by Highway 301, Dennis Street, and undeveloped land; to the south by Fishing Creek; and to the west by Seaboard Coastline Railway (see Figures 2 and 3). The southern property boundary is formed by Fishing Creek and by extensive wooded bottomlands (e.g., wetlands - swamp) along both sides of Fishing Creek. August 2015 Groundwater Monitoring Report Old QFP, Inc. Enfield, North Carolina September 23, 2015 Page 6 of 14 3.3.2 Land Use The subject property consists of two separate parcels of land separated by Highway 301. The property west of the highway borders Fishing Creek and contains structures and features associated with wood treatment activities, kiln drying of lumber and lumber storage. The tract of land on the east side of Highway 301 consists of farm fields, wooded, and undeveloped land. The subject property was operated by QFP from approximately 1980 until August 9, 2006 and by Fortress Wood Products (FWP) from August 10, 2006 to November 31, 2008 and then briefly from May 1, 2009 until May 31, 2009. It was inactive from that time until sold to Enfield Timber, LLC (Enfield) on or about July 8, 2013. Based on a September 19, 2014 conversation with an Enfield representative (Mr. George Junkin), Enfield has no current activities being conducted onsite but may have future sawmill operations in the next year. The southern portion of the 58.7-acre site is heavily vegetated. The working portions of the facility operations were located in the central and northern 18-acre portion of the subject property. Most of the facility buildings were located in the central portion of the Site, while the southern and northern portions were primarily used to store wood products. Vehicular access to the Site is via two driveways located on the eastern portion of the property adjacent to a trailer that was used as a corporate office. Pursuant to the Inactive Hazardous Site Program Guidelines for Assessment and Cleanup” (October 2008), during the EI June 1, 2009 RI, EI evaluated the Site and adjacent properties for the existence of environmentally sensitive areas. The results of the evaluation revealed that except for wetland areas, other environmentally sensitive areas were not present. According to the U.S. Fish & Wildlife Service, Wetlands Online Mapper website (www.fws.gov/wetlands), “Freshwater Forested/Shrub Wetland” areas (PFO1A) are present on the southern portion of the subject property extending northward from the banks of Fishing Creek. August 2015 Groundwater Monitoring Report Old QFP, Inc. Enfield, North Carolina September 23, 2015 Page 7 of 14 3.3.3 Topography and Surface Water Based on the USGS Enfield Quadrangle Topographic Map (see Figure 1), the elevations at the subject property range between approximately 90 to 100 feet above msl. Surface runoff from the Site generally flows south/southeast toward Fishing Creek. 3.3.4 Geology and Hydrogeology Groundwater aquifers in the Coastal Plain Physiographic Province of North Carolina occur within a wedge of sediment layers that dip and thicken to the southeast. These formations make up the Yorktown Formation aquifer system. The groundwater system in the Coastal Plain Physiographic Province of North Carolina typically consists of shallow groundwater within the sedimentary strata. Depth to groundwater is variable and typically ranges from 1 to 50 feet bgs. Depth to groundwater and groundwater flow direction are often interpretable from regional patterns and topographic gradient. The water table typically conforms to the surface topography and may be influenced by recharge and discharge capabilities of the soils. Other parameters affecting the water table are permeability and storage capacity of the underlying soils as well as seasonal and climatic variations. Groundwater at the Site occurs under unconfined water table conditions at depths of approximately 3-7 feet bgs in the northern portions of the property to at or near the ground surface in the southern portions of the Site. The predominant hydrological feature at the subject property is Fishing Creek, which represents the southern boundary of the property. Fishing Creek serves as a discharge feature, or no flow boundary for shallow groundwater. As such, shallow groundwater flowing toward Fishing Creek will discharge into the surface waters rather than continue across or beyond this barrier. In addition, swampy areas and wetlands are present along the southern portion of the Site (see Figures 1 and 2). 3.3.5 Operational History Georgia-Pacific (GP) formerly operated a sawmill on the subject property, but the mill was destroyed in a fire around 1975. QFP operated a treated wood products facility using a treatment August 2015 Groundwater Monitoring Report Old QFP, Inc. Enfield, North Carolina September 23, 2015 Page 8 of 14 product known as CCA from 1977 until 2002. Beginning in 1985, QFP began using two other treatment chemicals known as ACQ and D-Blaze. In addition to CCA, ACQ and D-Blaze were the only treatment chemicals used at the facility during that time. When the production of CCA ended in 2002, QFP continued to use ACQ and D-Blaze at the facility. In 2005, Old QFP leased the facility to FWP, which ceased operations at the facility on May 31, 2009. During its tenure at the facility, FWP used ACQ and D-Blaze in its treatment operations. On or about July 8, 2013 Old QFP sold the facility to Enfield Timber, LLC, 2200 Barnetts Road, Providence Forge, Va.,23140. Enfield Timber has received a determination from DENR that it is eligible for a Brownfields Agreement for the property on which the facility is located and work on the Brownsfield Agreement is in progress. 3.3.6 Regulatory History During QFP’s and FWP’s ownership of the facility, they operated two concrete drip pads (East and West Pads) in accordance with 40 CFR 262.34(a). These were subsequently closed according to RCRA guidance in 2009. As a result of the findings of initial soil and groundwater investigations, Old QFP elected to conduct further assessment and remediation activities under the REC Program. On April 3, 2009, Old QFP entered into an AA for REC-Directed Assessment and Remedial Action Pursuant to NCGS 130A-310.9(c) and 15A NCAC 13C.0300, Docket No. 09-SF-285. Subsequent to entering into an AA, EI/Waters Edge submitted a February 8, 2010 Fourth Quarter 2009/First Quarter 2010 Phase I/II Final Remedial Investigation Report which concluded that sufficient investigation had been conducted for delineation of the soil, surface water sediment, surface water, and groundwater at the Site and that the Site should proceed to a RAP. A September 14, 2010 Feasibility Study and RAP was submitted and implemented in 2011 when over 4,479 tons of concrete and soil were removed from eleven AOCs at the site. Subsequent to the soil RAP implementation, monitored natural attenuation was selected for the groundwater remedial alternative. Pursuant to REC Rule .0306(o), EI/Waters Edge prepared and certified quarterly remedial action progress reports for the first year subsequent to the RAP August 2015 Groundwater Monitoring Report Old QFP, Inc. Enfield, North Carolina September 23, 2015 Page 9 of 14 implementation and have now reduced to an annual basis with this representing the second annual report. In the fourth quarter 2013, testing was conducted on the two (2) RCRA pads and soils below the RCRA pads which determined that the pads and soil were not hazardous wastes. Subsequent to testing, the two (2) RCRA concrete pads were removed along with approximately one (1) foot of the soil below the pads to a depth of approximately two (2) feet bgs which is close to the shallow groundwater table. The concrete pads were disposed in a land clearing and inert debris landfill located in Raleigh, North Carolina and the soils were disposed at the Republic Landfill located in Aulander, North Carolina. 4.0 AUGUST 2015 SAMPLING EVENT 4.1 Groundwater Sampling On August 20th, 2015, EI/Waters Edge field personnel sampled monitoring wells MW-1, MW-3, MW-4, MW-6R, MW-7, MW-12, MW-13, MW-14, MW-15 (upgradient well), and DW-1 (see Figure 2). Several monitoring wells were not sampled, because they are not essential for plume delineation, and it is not cost effective to monitor them. Once certain of the monitoring wells with historic sampling results orders of magnitude above GRGs have been reduced to at or near the GRG standard, we plan to sample all monitoring wells for all parameters for purposes of demonstrating that all GRGs have been met. The following monitoring wells were not sampled due to the following rationale:  MW-2- Drop Well Periodically since it is internal well  MW-5- Drop Well Periodically since it is internal well  MW-8- Drop Well Periodically since we have new upgradient well MW-15  MW-9- Drop Well Periodically since it is interior well  MW-10- Drop Well Periodically since we have MW-12 immediately downgradient  MW-11- Not part of wells sampled August 2015 Groundwater Monitoring Report Old QFP, Inc. Enfield, North Carolina September 23, 2015 Page 10 of 14 Before well purging and sampling activities were initiated, water level measurements were obtained with an electric water level probe from all the above-mentioned monitoring wells. The measure was recorded to within 0.01 foot and converted to feet above mean sea level (see Table 1 which includes monitoring well construction data and screen intervals and Table 2 includes water quality parameters). Prior to sampling, each well was purged with a peristaltic pump according to EPA-accepted procedures. All sampling activity data was documented on field log forms. Groundwater samples were transferred to laboratory provided and preserved containers. The samplers wore new disposable nitrile gloves during sampling procedures and changed gloves between each well. All samples were labeled with a tag identifying the sample number, date, time, location, analysis to be conducted, and sampler's initials. The samples were stored in a cooler and chilled to approximately 4°C. The samples were transported to a North Carolina certified analytical laboratory in accordance with EPA approved chain-of-custody procedures. All samples were analyzed for total arsenic, boron, and chromium according to Method 6010C. 4.2 Surface Water Sampling On August 20th, 2015, three surface water samples were collected at the locations shown on Figure 7. (Upstream, Midstream, and Downstream). Surface water samples were collected in laboratory supplied containers. The samplers wore new disposable nitrile gloves during sampling procedures and changed gloves between each surface water sampling location. All samples were labeled with a tag identifying the sample number, date, time, location, analysis to be conducted, and sampler's initials. The samples were stored in a cooler and chilled to approximately 4°C. The samples were transported to a North Carolina certified analytical laboratory in accordance with EPA approved chain-of-custody procedures. All samples were analyzed for total arsenic, boron, and chromium according to Method 6010C. August 2015 Groundwater Monitoring Report Old QFP, Inc. Enfield, North Carolina September 23, 2015 Page 11 of 14 5.0 RESULTS 5.1 Groundwater Flow and Hydraulic Gradient Shallow groundwater at the Site flows toward the south/southeast under an average horizontal hydraulic gradient of approximately 0.009 ft./ft. (see Figure 3). This utilizes the reading at newly installed upgradient well (MW-15) and the resulting gradient is much flatter than historic readings before the monitoring well was emplaced in 2014. 5.2 Groundwater Analytical Results The inorganic analytical results indicated the following exceedances of GRGs: MW-1 Arsenic detected at 0.061 mg/L with GRG 0.01 mg/L Chromium detected at 0.075 mg/L with GRG 0.01 mg/L MW-3 Arsenic detected at 0.32 mg/L with GRG 0.01 mg/L Boron detected at 0.99 mg/L with GRG 0.7 mg/L Chromium detected at 0.36 mg/L with GRG 0.01 mg/L MW-6R Arsenic detected at 0.015 mg/L with GRG 0.01 mg/L MW-7 Arsenic detected at 0.35 mg/L with GRG 0.01 mg/L MW-12 Arsenic detected at 0.65 mg/L with GRG 0.01 mg/L Chromium detected at 0.028 mg/L with GRG 0.01 mg/L MW-13 Arsenic detected at 1.1 mg/L with GRG 0.01 mg/L Chromium detected at 0.021 mg/L with GRG 0.01 mg/L MW-14 Arsenic detected at 0.24 mg/L with GRG 0.01 mg/L Boron detected at 0.82 mg/L with GRG 0.7 mg/L Chromium detected at 0.031 mg/L with GRG 0.01 mg/L August 2015 Groundwater Monitoring Report Old QFP, Inc. Enfield, North Carolina September 23, 2015 Page 12 of 14 We have provided the following:  Groundwater Contour Map- Figure 3  Arsenic Isoconcentration Map - Figure 4  Present and Historical Results - Table 3  Laboratory documentation - Appendix A. 5.4 Quality Assurance/Quality Control (QA/QC)-(.0306(h)(4)) All holding times were met. 6.0 CONCLUSIONS AND RECOMMENDATIONS Based on the August 2015 groundwater and surface water analytical results, we have the following conclusions and recommendations:  Groundwater flows to the south/southeast on a horizontal gradient of approximately 0.009 ft./ft. This is consistent with historic readings since MW-15 was installed in 2014.  Inorganics were detected at concentrations above the GRGs for groundwater monitoring wells MW-1, MW-3, MW-6R, MW-7, MW-12, MW-13, and MW-14, with the highest concentrations detected at MW-13 for arsenic (1.1 mg/L), MW-3 for boron (0.99 mg/L) and MW-3 for chromium (0.36 mg/L). Several monitoring wells were not sampled, because they are not essential for plume delineation, and it is not cost effective to monitor them. Once certain of the monitoring wells with historic sampling results orders of magnitude above GRGs have been reduced to at or near the GRG standard, we plan to sample all monitoring wells for all parameters for purposes of demonstrating that all GRGs have been met. This is the eighth groundwater monitoring event following soil removal actions in 2011 when over 4,479 tons of concrete and soil were removed from eleven AOCs at the site. We conclude that analytical results have demonstrated either stable or declining trends with the exception of the following: 1. MW-3- arsenic and chromium are demonstrating recent increasing trends. 2. MW-7- arsenic is demonstrating a recent increasing trend. August 2015 Groundwater Monitoring Report Old QFP, Inc. Enfield, North Carolina September 23, 2015 Page 13 of 14 3. MW-12- arsenic is demonstrating a recent increasing trend. 4. MW-13- arsenic is demonstrating a recent slight increasing trend. These recent increasing trends should be evaluated in light of the recent RCRA pads soils and concrete source removal activities in 2014, as referenced below, which caused a considerable amount of soil and shallow groundwater disturbance. We anticipate that in the long term, stable to decreasing trends will resume as the effects of the soil and shallow groundwater table disturbances subside.  In the fourth quarter 2013, testing was conducted on the two (2) RCRA pads and the underlying soils. The testing demonstrated that the RCRA pads and soil were not characteristic of hazardous wastes. Subsequent to testing, the two (2) RCRA concrete pads were removed along with approximately one (1) foot of the soil below the pads to a depth of approximately two (2) feet bgs which is close to the shallow groundwater table. In the first quarter of 2014, the concrete pads were disposed in a land clearing and inert debris landfill located in Raleigh, North Carolina and the soils were disposed at the Republic Landfill located in Aulander, North Carolina. The RCRA pads and soil were immediately upgradient of MW-3 and MW-4. Therefore, this sampling round represents the second post-excavation groundwater sampling subsequent to these remedial efforts. The results from MW-3 detected both increasing results for arsenic (0.022 mg/L in 2013, 0.034 mg/L in 2014 and 0.32 mg/L in 2015) and chromium (BRL in 2013, 0.0085 mg/L in 2014 and 0.36 mg/L in 2015) while boron decreased (1.6 mg/L in 2013, 0.99 mg/L in 2014 and 0.99 mg/L in 2015). The results for MW-4 were BRL for boron and chromium in 2013, and 2014 and 2015, while arsenic demonstrates an overall decreasing trend from 0.033 mg/L in 2013, BRL in 2014 and 0.012 mg/L in 2015. . As indicated above, we anticipate that after the effects of the soil and shallow groundwater table disturbances subside, the stable to decreasing trends will resume in all wells. August 2015 Groundwater Monitoring Report Old QFP, Inc. Enfield, North Carolina September 23, 2015 Page 14 of 14  MW-15 (upgradient monitoring well) and MW-6R were below all GRGs with the exception of MW-6R detecting arsenic at 0.015 mg/L which is slightly above the GRG at 0.01 mg/L. Therefore, the upgradient and eastern limits of the plume is delineated. While the southern downgradient portion of the plume has GRG exceedances, it has been concluded that further assessment is not technically prudent due to the fact that this area is considered wetlands. The amount of disturbance to emplace a monitoring well would be considerable and the surface water discharge represented by Fishing Creek is relatively close to the existing downgradient monitoring wells.  Arsenic and chromium appear to be the most prevalent constituents exceeding GRGs at the site, while boron GRG exceedances are limited to only several wells for the wells tested.  Two surface water samples were collected (SW-1 (Upstream) and SW-2 (Downstream)). The Upstream sample and Downstream samples were below BRL and had no NCDENR 2B surface water standard exceedances. The Midstream sample was collected in standing water prior to reaching Fishing Creek, and we have determined this to be classified as Swamp Water. This sample did exhibit arsenic (0.83 mg/L) and chromium (0.089 mg/L); however, the Swamp Water classification in NCDENR 2B has no standards for either constituent. This would indicate that there is some impacted groundwater discharging into the Fishing Creek; however, it dissipates to below 2B Standard at the downgradient property line. As discussed in past remedial investigation reports, the southern portion of the site is comprised of freshwater forested/shrub wetlands and is considered a sensitive receptor. The elevated detection of arsenic in the Swamp Water would be considered impact to a sensitive receptor and thus, has been noted in a past report. While this is notable, we still do not consider this to be an imminent threat (0305(b)(2)). 7.0 CERTIFICATIONS (.0306(B)(1-2)) The requisite certifications are contained in Appendix B. Figures PROJECT LOCATION MAP Old QFP Site 21144 Highway 301 South Enfield, North Carolina N 1:12,000SCALE: Source:Topozone.com (1961) ENVIRONMENTAL INVESTIGATIONS, INC PROJECT NUMBER:ENMO060741.00 FIGURE NUMBER:1 SUBJECT PROPERTY 1-mile Radius Topographic Map Old QFP Site 21144 Highway 301 South Enfield, North Carolina N as shownSCALE: Source:USGS Enfield Quad (1961) ENVIRONMENTAL INVESTIGATIONS, INC PROJECT NUMBER:ENMO081354.01 FIGURE NUMBER:2 SUBJECT PROPERTY F'Il:iJRE ND,, 3 DRN BY• 11111. CHK JY1 PUl DATEi 71]:;!all:j REVISED• SCALE• 1· = l:iU' $: ... • • • .. . . ~ . . . . ..... .. . . .. . . .. ... .. . . . .. . . .. . .. .. . • • t ... . . .,. ..... ... . .. . . . .. • • • • • t • a "' I • .. ., ... .,. .. v .·.·.·~·.· 1, ..... ,, .... • .. ••••••• .. • ...... • • • • • • •••• .. . . . 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" • • :~fj!, • • /···=· . .. • •• ... . . .. ••• . . . . • • • . . . ' •• . .. . .. • • • . . .. . ' ..... • • • • . . . • • • & ••• . .. .. .. .. . . ' ..... • • • ·.·.·,· ••• • • • . . . ' .. • • f • f ' ••• • • • . . ' ••• . . . ' .. ' .,. ... ,.. .. • • • • • • • • • • I I :...: of equa.l conc:errtr~tlonl •d !lwc,ite,r Re!'leclal Goa.I ~ 0.01 t,glL ns 11'1 Gl"ounclwa wr <Mg/L) I'll ARSENIC ISDCDNCENTRA Tlctl HAP <AUGUST 2015> El Did QF'P Site 21144 Hlgl'lwa.y '301 Soutt, Enfield. North C0,r0Une1 F'IGURE ND, 5 DRN BY• DRL CHK BY• PLI! DATE, 91151c!OI!! REVISED1 SCALE• l' .... 1 .. " • • • r • • • ...... -.... -······~ ,.·.·.~·.· )I.Ml/•.,•••.• t •. • • * ............ . . . . . . . --......... • ... • • I • • " ...... . . ... . . .. . . .. . . .. . . . .. • • 4' • ........... ......... . ... . . . .. . .. • I • t • t 6, l ....... ~ . ~ . ............ .. ~ ..... . .......... ~ . • . • • • "-.:~:. !; '{.,:., ..... . . • • • . . • • • . . • •• • . ' (: :.,,'.·;.: ••• 1 .... • • • ..... • • • 1 . -.. • • • . . . .,. . ' . • • • • • • • • • • • • • • .. . . . • •• • • • . ' . • • • • • • • l •••• • • • • . . . . ... ' ••• . . ... . . . ' •• . . . . . . • • • • • • . . . • • • • .. • • l ......... . . BORON ISOCONCENTRATION MAP CAU~ST 2015) Cltl QF'P Stt• 211+4 Hghway 301 Scuii-1 El'lf'lllld, North CQl"Ol~a ii -- not used p. r RM•dlo.l Gaal = 0.7 l'lg/L In Grounlllwct111" <,,tglL> < t shown on ,icp). ~ El F"ICiJRE ND,1 6 DRN BY• .. CHK IIY• Pl.R DATE, 'Nl:;lall5 REVISED• SCALE• l' = 1511' . . . . . . . .. .. ' ... ... -.... .. . . . . . ,. ...... 1j • • • • • • . . . . . . . . . . ... . . .. ' .. .. ~.·.·.·~· .. · , .... , ................. · .,., .. . .. . . . .. . . ... . . . . . .. . . .. . . .. I • • • t • f .. ... . .. . -. • I • t • I 4 I . ' ... ...... •t ......... . . . ' .... .. . . .. .. . 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CHROMIUM ISDCCIIICENTRAlmN HAP <AUGUST 2015> Cld QFP Site 21.144 HlghwGy 301 South EMf'leld, North Coroltio "I ! -- i,ltDf'lng Yell r.-ig Vell R"r,eclo.l Gao.I • 0.01' l'IQIL El ST-1 (sediment) Arsenic BRL Chromium 23 mg/kg Mercury BRL ST-1 (water) Arsenic BRL Chromium BRL Boron BRL SURFACE WATER SAMPLING LOCATION MAP (AUGUST 2015) Old QFP Site 21144 Highway 301 South Enfield, North Carolina N 1:12,000SCALE: Source:Topozone.com (1961) ENVIRONMENTAL INVESTIGATIONS, INC PROJECT NUMBER:ENMO150135.00 FIGURE NUMBER:7 SUBJECT PROPERTY Downstream All analytes BRL Upstream All analytes BRL Surface water quality sample Midstream Arsenic 0.83 mg/L Boron 2.0 mg/L Chromium 0.089 mg/L NOTE: BQL = below quantitation limit for the laboratory method Tables TA B L E 1 WE L L C O N S T R U C T I O N S U M M A R Y A N D G R O U N D W A T E R E L E V A T I O N S Ol d Q F P S i t e 21 1 4 4 H i g h w a y 3 0 1 S o u t h En f i e l d , N o r t h C a r o l i n a We l l I n s t a l l a t i o n T o t a l D e p t h S c r e e n e d A s s i g n e d T o p o f D e p t h t o W a t e r ( 8 / 2 0 / 1 5 ) G r o u n d w a t e r De s i g n a t i o n D a t e ( f t . b e l o w T O C ) I n t e r v a l ( f e e t ) C a s i n g E l e v a t i o n ( f e e t ) ( f t . b e l o w T O C ) E l e v a t i o n ( f e e t ) MW - 1 D e c - 8 7 2 U n k n o w n U n k n o w n 1 0 0 2 . 0 8 9 7 . 9 2 MW - 2 D e c - 8 7 2 2 8 U n k n o w n 9 8 . 0 0 N M N M MW - 3 D e c - 8 7 2 U n k n o w n U n k n o w n 9 8 . 2 9 3 . 5 8 9 4 . 7 1 MW - 4 D e c - 8 7 2 U n k n o w n U n k n o w n 9 5 . 6 3 N M N M MW - 5 6 / 8 / 2 0 0 6 2 2 0 . 0 0 5 - 2 0 1 0 1 . 5 0 N M N M MW - 6 R 5 / 3 0 / 2 0 1 3 1 1 3 3 - 1 3 1 0 1 . 2 4 9 . 1 5 9 2 . 0 9 MW - 7 3 / 9 / 2 0 0 7 1 1 3 3 - 1 3 9 7 . 1 8 3 . 5 0 9 3 . 6 8 MW - 8 3 / 9 / 2 0 0 7 1 1 3 3 - 1 3 1 0 5 . 3 5 N M N M MW - 9 5 / 1 / 2 0 0 7 1 1 3 3 - 1 3 9 7 . 5 7 N M N M MW - 1 0 5 / 1 / 2 0 0 7 1 1 5 5 - 1 5 9 3 . 2 1 N M N M MW - 1 1 5 / 1 / 2 0 0 7 1 1 5 5 - 1 5 9 5 . 1 0 N M N M MW - 1 2 9 / 1 5 / 2 0 0 8 1 1 3 3 - 1 3 9 2 . 8 3 4 . 2 1 8 8 . 6 2 MW - 1 3 9 / 1 5 / 2 0 0 8 1 1 3 3 - 1 3 9 1 . 3 9 4 . 5 4 8 6 . 8 5 MW - 1 4 9 / 1 5 / 2 0 0 8 1 1 3 3 - 1 3 9 9 . 1 0 3 . 8 9 9 3 . 2 2 MW - 1 5 5 / 3 0 / 2 0 1 3 1 1 3 3 - 1 3 1 0 8 . 8 8 1 0 . 5 3 9 8 . 3 5 *D W - 1 5 / 2 / 2 0 0 7 2 3 5 3 0 - 3 5 9 6 . 0 0 3 . 1 6 9 2 . 8 4 NO T E NM - N o t m e a s u r e d *T y p e I I I D o u b l e C a s e d W e l l Pi p e D i a m e t e r (i n c h ) Table 2 Summary of Water Parameter Data - Old QFP 21144 Highway 301 South Enfield, North Carolina Sample Date 26.52 0.205 28.1 2.43 7.02 108.1 0.00 26.52 0.205 28.0 2.42 7.02 108.3 0.00 26.52 0.205 28.0 2.42 7.04 108.7 0.30 NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM 22.60 0.437 12.1 1.05 6.82 65.2 0.00 22.61 0.437 12.1 1.05 6.82 65.3 0.00 22.61 0.437 12.1 1.05 6.82 65.7 0.00 21.92 0.646 19.2 1.66 6.71 -78.2 0.00 21.93 0.646 19.2 1.66 6.72 -78.3 0.00 21.93 0.646 19.2 1.66 6.72 -78.2 0.00 NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM 23.12 1.170 35.6 3.08 6.51 37.1 10.00 23.12 1.170 35.6 3.08 6.51 37.9 12.00 23.12 1.170 35.5 3.07 6.51 37.9 12.00 21.81 0.486 13.5 1.17 6.12 -81.8 14.00 21.81 0.486 13.5 1.17 6.12 -82.0 14.00 21.81 0.486 13.5 1.17 6.12 -82.1 15.00 NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM NM 23.10 0.660 10.8 0.93 6.62 -75.9 55.00 23.10 0.660 10.8 0.93 6.63 -76.1 50.00 23.10 0.660 10.8 0.93 6.63 -76.2 50.00 22.22 0.775 2.0 0.17 6.78 -178.2 15.00 22.23 0.775 2.0 0.17 6.78 -178.5 12.00 22.23 0.775 2.0 0.17 6.78 -178.6 17.00 23.17 0.481 22.7 1.96 6.37 -30.1 11.00 23.17 0.481 22.7 1.96 6.37 -30.0 10.00 23.17 0.481 22.7 1.96 6.38 -30.5 10.00 22.52 0.163 24.2 2.09 6.70 258.3 45.00 22.52 0.163 24.2 2.09 6.70 258.7 45.00 22.53 0.163 24.2 2.09 6.69 258.1 45.00 22.03 0.479 29.7 2.57 7.11 -3.1 0.00 22.03 0.479 29.7 2.57 7.11 -3.5 0.00 22.03 0.479 29.7 2.57 7.11 -3.4 0.00 NM = not measured MW-15 8/20/2015 DW-1 8/20/2015 MW-12 8/20/2015 MW-13 8/20/2015 MW-14 8/20/2015 MW-8 8/20/2015 MW-9 8/20/2015 MW-10 8/20/2015 MW-5 8/20/2015 MW-6R 8/20/2015 MW-7 8/20/2015 MW-3 8/20/2015 Well ID MW-4 8/20/2015 MW-2 8/20/2015 MW-1 8/20/2015 pH Turbidity (NTUs) Dissolved Oxygen (mg/L) Temperature (C°) Specific Conductivity (µS/cm3) Dissolved Oxygen (%)ORP Ta b l e 3 Hi s t o r i c a l G r o u n d w a t e r A n a l y t i c a l R e s u l t s Ol d Q F P S i t e 21 1 4 4 H i g h w a y 3 0 1 S o u t h En f i e l d , N o r t h C a r o l i n a MW - 1 Un i t s 2L St a n d a r d 6/ 8 / 2 0 0 6 3 / 1 5 / 2 0 0 7 4 / 2 9 / 2 0 1 0 1 0 / 2 8 / 2 0 1 0 5 / 1 2 / 2 0 1 1 1 1 / 8 / 2 0 1 1 1 1 / 7 / 2 0 1 2 2 / 2 8 / 2 0 1 3 Me t a l s Ar s e n i c mg / L 0. 0 1 B R L < 0 . 0 1 0 0 0. 0 3 1 9 0 . 0 1 4 4 0 . 0 3 4 6 0 . 0 4 1 9 0 . 0 3 6 3 0 . 0 2 9 An t i m o n y mg / L NS E . < 0 . 0 4 0 0 .. . . . . Be r y l l i u m mg / L NS E . < 0 . 0 1 0 0 .. . . . . Ca d m i m u m mg / L 0. 0 0 1 7 5 . < 0 . 0 1 0 0 .. . . . . Ch r o m i u m mg / L 0. 0 1 B R L < 0 . 0 1 0 0 0. 0 2 6 2 <0 . 0 1 0 0 < 0 . 0 1 0 0 < 0 . 0 1 0 0 < 0 . 0 1 0 0 0 . 0 0 6 5 Co p p e r mg / L 1 . < 0 . 0 1 0 0 .. . . . . Le a d mg / L 0. 0 1 5 . < 0 . 0 1 0 0 .. . . . . Me r c u r y mg / L 0. 0 0 1 0 5 . < 0 . 0 0 0 2 8 5 .. . . . . Ni c k e l mg / L 0. 1 . < 0 . 0 1 0 0 .. . . . . Se l e n i u m mg / L 0. 0 5 . < 0 . 0 1 0 0 .. . . . . Si l v e r mg / L 0. 0 1 7 5 . < 0 . 0 1 0 0 .. . . . . Th a l l i u m mg / L NS E . < 0 . 0 1 0 0 .. . . . . Zi n c mg / L 1. 0 5 . 0 . 0 2 8 2 .. . . . . In o r g a n i c s Am m o n i a mg / L NSE . 0 . 1 . . . . . . Bo r o n mg / L 0. 7 . 0 . 0 2 5 5 0 . 0 3 6 6 0 . 0 5 5 2 0 . 0 7 0 1 0 . 0 3 0 5 0 . 0 4 7 0 < 0 . 5 Ph o s p h o r u s mg / L NS E . 0 . 0 3 .. . . . . TK N mg / L NSE . 1 . 1 . . . . . . NS E - N o S t a n d a r d E s t a b l i s h e d BD L - B e l o w D e t e c t i o n L i m i t s BR L - B e l o w R e p o r t i n g L i m i t Bo l d a n d I t a l i c s f o n t d e n o t e s G W S t a n d a r d e x c e e d a n c e . Bl a n k C e l l s ( . ) i n d i c a t e c o m p o u n d n o t a n a l y z e d . Ta b l e 3 Hi s t o r i c a l G r o u n d w a t e r A n a l y t i c a l R e s u l t s Ol d Q F P S i t e 21 1 4 4 H i g h w a y 3 0 1 S o u t h En f i e l d , N o r t h C a r o l i n a MW - 1 (C o n t i n u e d ) Un i t s 2L St a n d a r d 5/ 3 0 / 2 0 1 3 8 / 1 3 / 2 0 1 3 8 / 1 1 / 2 0 1 4 8 / 2 0 / 2 0 1 5 Me t a l s Ar s e n i c mg / L 0. 0 1 0 . 0 0 7 0 8 0. 0 9 9 0 . 0 4 3 0 . 0 6 1 An t i m o n y mg / L NSE . . . . Be r y l l i u m mg / L NSE . . . . Ca d m i m u m mg / L 0. 0 0 1 7 5 .. . . Ch r o m i u m mg / L 0. 0 1 0 . 0 0 3 9 7 < 0 . 0 0 5 N A 0. 0 7 5 Co p p e r mg / L 1. . . . Le a d mg / L 0. 0 1 5 .. . . Me r c u r y mg / L 0. 0 0 1 0 5 .. . . Ni c k e l mg / L 0.1. . . . Se l e n i u m mg / L 0. 0 5 .. . . Si l v e r mg / L 0. 0 1 7 5 .. . . Th a l l i u m mg / L NSE . . . . Zi n c mg / L 1. 0 5 .. . . In o r g a n i c s Am m o n i a mg / L NSE . . . . Bo r o n mg / L 0. 7 0 . 0 4 7 5 < 0 . 5 N A < 0 . 5 Ph o s p h o r u s mg / L NSE . . . . TK N mg / L NS E . . NS E - N o S t a n d a r d E s t a b l i s h e d BD L - B e l o w D e t e c t i o n L i m i t s BR L - B e l o w R e p o r t i n g L i m i t Bo l d a n d I t a l i c s f o n t d e n o t e s G W S t a n d a r d e x c e e d a n c e . Bl a n k C e l l s ( . ) i n d i c a t e c o m p o u n d n o t a n a l y z e d . 0. 0 0 0 0 0. 0 2 0 0 0. 0 4 0 0 0. 0 6 0 0 0. 0 8 0 0 0. 1 0 0 0 0. 1 2 0 0 A n a l y t i c a l R e s u l t s ( m g / L ) Hi s t o r i c a l G r o u n d w a t e r A n a l y t i c a l R e s u l t s MW - 1 Ar s e n i c Ch r o m i u m Bo r o n Ta b l e 3 Hi s t o r i c a l G r o u n d w a t e r A n a l y t i c a l R e s u l t s Ol d Q F P S i t e 21 1 4 4 H i g h w a y 3 0 1 S o u t h En f i e l d , N o r t h C a r o l i n a MW - 3 Un i t s 2L St a n d a r d 5/ 1 / 2 0 0 6 6 / 8 / 2 0 0 6 7 / 5 / 2 0 0 6 3 / 1 5 / 2 0 0 7 4 / 2 9 / 2 0 1 0 1 0 / 2 8 / 2 0 1 0 5 / 1 2 / 2 0 1 1 1 1 / 8 / 2 0 1 1 Me t a l s Ar s e n i c mg / L 0. 0 1 0. 0 6 0 6 BR L B R L 0. 1 2 8 0 . 5 2 9 0 . 0 2 2 9 <0 . 0 1 0 < 0 . 0 1 0 0 An t i m o n y mg / L NS E . . . < 0 . 0 4 0 0 .. . . Be r y l l i u m mg / L NS E . . . < 0 . 0 1 0 0 .. . . Ca d m i m u m mg / L 0. 0 0 1 7 5 . . . < 0 . 0 1 0 0 .. . . Ch r o m i u m mg / L 0. 0 1 0. 1 8 BR L 0 . 0 0 5 6 0. 1 4 8 0 . 5 5 1 0 . 0 1 3 3 <0 . 0 1 0 < 0 . 0 1 0 0 Co p p e r mg / L 1 0 . 1 2 . . 0 . 0 3 6 7 .. . . Le a d mg / L 0. 0 1 5 . . . < 0 . 0 1 0 0 .. . . Me r c u r y mg / L 0. 0 0 1 0 5 . . . < 0 . 0 0 0 2 8 5 .. . . Ni c k e l mg / L 0. 1 . . . < 0 . 0 1 0 0 .. . . Se l e n i u m mg / L 0. 0 5 . . . < 0 . 0 1 0 0 .. . . Si l v e r mg / L 0. 0 1 7 5 . . . < 0 . 0 1 0 0 .. . . Th a l l i u m mg / L NS E . . . < 0 . 0 1 0 0 .. . . Zi n c mg / L 1. 0 5 . . . 0 . 0 2 1 7 .. . . In o r g a n i c s Am m o n i a mg / L NSE . . . 0 . 8 . . . . Bo r o n mg / L 0. 7 0 . 7 . . 0 . 6 3 9 1. 5 7 2 . 3 0 1 . 9 7 1 . 9 6 Ph o s p h o r u s mg / L NS E 6 . 1 7 . . 0 . 0 5 .. . . TK N mg / L NSE . . . 0 . 8 . . . . NS E - N o S t a n d a r d E s t a b l i s h e d BD L - B e l o w D e t e c t i o n L i m i t s BR L - B e l o w R e p o r t i n g L i m i t Bo l d a n d I t a l i c s f o n t d e n o t e s G W S t a n d a r d e x c e e d a n c e . Bl a n k C e l l s ( . ) i n d i c a t e c o m p o u n d n o t a n a l y z e d . Ta b l e 3 Hi s t o r i c a l G r o u n d w a t e r A n a l y t i c a l R e s u l t s Ol d Q F P S i t e 21 1 4 4 H i g h w a y 3 0 1 S o u t h En f i e l d , N o r t h C a r o l i n a MW - 3 ( Co n t i n u e d )Un i t s 2L St a n d a r d 11 / 7 / 2 0 1 2 2 / 2 8 / 2 0 1 3 5 / 3 0 / 2 0 1 3 8 / 1 3 / 2 0 1 3 8 / 1 1 / 2 0 1 4 8 / 2 0 / 2 0 1 5 Me t a l s Ar s e n i c mg / L 0. 0 1 0. 1 1 8 0 . 0 3 5 0 . 0 1 8 2 0 . 0 2 2 0 . 0 3 4 0 . 3 2 An t i m o n y mg / L NSE . . . . . . Be r y l l i u m mg / L NSE . . . . . . Ca d m i m u m mg / L 0. 0 0 1 7 5 .. . . . . Ch r o m i u m mg / L 0. 0 1 0. 0 2 6 9 0 . 0 2 3 0. 0 0 6 0 3 < 0 . 0 0 5 0 0 . 0 0 8 5 0. 3 6 Co p p e r mg / L 1. . . . . . Le a d mg / L 0. 0 1 5 .. . . . . Me r c u r y mg / L 0. 0 0 1 0 5 .. . . . . Ni c k e l mg / L 0.1. . . . . . Se l e n i u m mg / L 0. 0 5 .. . . . . Si l v e r mg / L 0. 0 1 7 5 .. . . . . Th a l l i u m mg / L NSE . . . . . . Zi n c mg / L 1. 0 5 .. . . . . In o r g a n i c s Am m o n i a mg / L NSE . . . . . . Bo r o n mg / L 0. 7 0 . 0 4 8 4 1. 7 1 . 5 3 0 1 . 6 0 . 9 9 0 . 9 9 Ph o s p h o r u s mg / L NSE . . . . . . TK N mg / L NSE . . . . . . NS E - N o S t a n d a r d E s t a b l i s h e d BD L - B e l o w D e t e c t i o n L i m i t s BR L - B e l o w R e p o r t i n g L i m i t Bo l d a n d I t a l i c s f o n t d e n o t e s G W S t a n d a r d e x c e e d a n c e . Bl a n k C e l l s ( . ) i n d i c a t e c o m p o u n d n o t a n a l y z e d . 0. 0 0 0 0 0. 5 0 0 0 1. 0 0 0 0 1. 5 0 0 0 2. 0 0 0 0 2. 5 0 0 0 A n a l y t i c a l R e s u l t s ( m g / L ) Hi s t o r i c a l G r o u n d w a t e r A n a l y t i c a l R e s u l t s MW - 3 Ar s e n i c Ch r o m i u m Bo r o n Ta b l e 3 Hi s t o r i c a l G r o u n d w a t e r A n a l y t i c a l R e s u l t s Ol d Q F P S i t e 21 1 4 4 H i g h w a y 3 0 1 S o u t h En f i e l d , N o r t h C a r o l i n a MW - 4 Un i t s 2L St a n d a r d 6/ 8 / 2 0 0 6 3 / 1 5 / 2 0 0 7 4 / 2 9 / 2 0 1 0 1 0 / 2 8 / 2 0 1 0 5 / 1 2 / 2 0 1 1 1 1 / 8 / 2 0 1 1 1 1 / 7 / 2 0 1 2 2 / 2 8 / 2 0 1 3 Me t a l s Ar s e n i c mg / L 0. 0 1 0. 0 3 2 0 . 0 1 4 7 0 . 0 1 2 6 <0 . 0 1 0 0 < 0 . 0 1 0 0 < 0 . 0 1 0 0 < 0 . 0 1 0 0 0. 0 1 2 An t i m o n y mg / L NS E . < 0 . 0 4 0 0 .. . . . . Be r y l l i u m mg / L NS E . < 0 . 0 1 0 0 .. . . . . Ca d m i m u m mg / L 0. 0 0 1 7 5 . < 0 . 0 1 0 0 .. . . . . Ch r o m i u m mg / L 0. 0 1 < 0 . 0 1 0 0 < 0 . 0 1 0 0 0. 0 1 3 5 <0 . 0 1 0 0 < 0 . 0 1 0 0 < 0 . 0 1 0 0 < 0 . 0 1 0 0 < 0 . 0 0 5 Co p p e r mg / L 1 . < 0 . 0 1 0 0 .. . . . . Le a d mg / L 0. 0 1 5 . < 0 . 0 1 0 0 .. . . . . Me r c u r y mg / L 0. 0 0 1 0 5 . < 0 . 0 0 0 2 8 5 .. . . . . Ni c k e l mg / L 0. 1 . < 0 . 0 1 0 0 .. . . . . Se l e n i u m mg / L 0. 0 5 . < 0 . 0 1 0 0 .. . . . . Si l v e r mg / L 0. 0 1 7 5 . < 0 . 0 1 0 0 .. . . . . Th a l l i u m mg / L NS E . < 0 . 0 1 0 0 .. . . . . Zi n c mg / L 1. 0 5 . 0 . 1 3 1 .. . . . . In o r g a n i c s Am m o n i a mg / L NSE . 2 . 5 . . . . . . Bo r o n mg / L 0. 7 . < 0 . 0 1 0 0 < 0 . 0 1 0 0 < 0 . 0 1 0 0 < 0 . 0 1 0 0 < 0 . 0 1 0 0 < 0 . 0 1 0 0 < 0 . 5 Ph o s p h o r u s mg / L NS E . 0 . 1 9 .. . . . . TK N mg / L NSE . 3 . 4 . . . . . . NS E - N o S t a n d a r d E s t a b l i s h e d BD L - B e l o w D e t e c t i o n L i m i t s BR L - B e l o w R e p o r t i n g L i m i t Bo l d a n d I t a l i c s f o n t d e n o t e s G W S t a n d a r d e x c e e d a n c e . Bl a n k C e l l s ( . ) i n d i c a t e c o m p o u n d n o t a n a l y z e d . Ta b l e 3 Hi s t o r i c a l G r o u n d w a t e r A n a l y t i c a l R e s u l t s Ol d Q F P S i t e 21 1 4 4 H i g h w a y 3 0 1 S o u t h En f i e l d , N o r t h C a r o l i n a MW - 4 (C o n t i n u e d ) Un i t s 2L St a n d a r d 5/ 3 0 / 2 0 1 3 8 / 1 3 / 2 0 1 3 8 / 1 1 / 2 0 1 4 8 / 2 0 / 2 0 1 5 Me t a l s Ar s e n i c mg / L 0. 0 1 0. 0 1 0 1 0 . 0 3 3 <0 . 0 1 0. 0 1 2 An t i m o n y mg / L NSE . . . . Be r y l l i u m mg / L NSE . . . . Ca d m i m u m mg / L 0. 0 0 1 7 5 .. . . Ch r o m i u m mg / L 0. 0 1 < 0 . 0 0 5 0 < 0 . 0 0 5 0 < 0 . 0 0 5 0 < 0 . 0 0 5 0 Co p p e r mg / L 1. . . . Le a d mg / L 0. 0 1 5 .. . . Me r c u r y mg / L 0. 0 0 1 0 5 .. . . Ni c k e l mg / L 0.1. . . . Se l e n i u m mg / L 0. 0 5 .. . . Si l v e r mg / L 0. 0 1 7 5 .. . . Th a l l i u m mg / L NSE . . . . Zi n c mg / L 1. 0 5 .. . . In o r g a n i c s Am m o n i a mg / L NSE . . . . Bo r o n mg / L 0. 7 0 . 0 1 9 1 < 0 . 5 < 0 . 5 < 0 . 5 Ph o s p h o r u s mg / L NSE . . . . TK N mg / L NSE . . . . NS E - N o S t a n d a r d E s t a b l i s h e d BD L - B e l o w D e t e c t i o n L i m i t s BR L - B e l o w R e p o r t i n g L i m i t Bo l d a n d I t a l i c s f o n t d e n o t e s G W S t a n d a r d e x c e e d a n c e . Bl a n k C e l l s ( . ) i n d i c a t e c o m p o u n d n o t a n a l y z e d . 0. 0 0 0 0 0. 0 0 5 0 0. 0 1 0 0 0. 0 1 5 0 0. 0 2 0 0 0. 0 2 5 0 0. 0 3 0 0 0. 0 3 5 0 A n a l y t i c a l R e s u l t s ( m g / L ) Hi s t o r i c a l G r o u n d w a t e r A n a l y t i c a l R e s u l t s MW - 4 Ar s e n i c Ch r o m i u m Bo r o n Ta b l e 3 Hi s t o r i c a l G r o u n d w a t e r A n a l y t i c a l R e s u l t s Ol d Q F P S i t e 21 1 4 4 H i g h w a y 3 0 1 S o u t h En f i e l d , N o r t h C a r o l i n a MW - 6 / M W - 6 R Un i t s 2L St a n d a r d 3/ 1 5 / 2 0 0 7 4 / 1 2 / 2 0 0 7 4 / 2 9 / 2 0 1 0 1 0 / 2 8 / 2 0 1 0 5 / 3 0 / 2 0 1 3 8 / 1 3 / 2 0 1 3 8 / 1 1 / 2 0 1 4 8 / 2 0 / 2 0 1 5 Me t a l s Ar s e n i c mg / L 0. 0 1 0. 0 8 2 8 <0 . 0 1 0 0 0. 0 1 4 3 0 . 0 1 2 5 0. 0 0 6 4 0. 0 3 3 <0 . 0 1 0. 0 1 5 An t i m o n y mg / L NS E < 0 . 0 4 0 0 < 0 . 0 1 0 0 .. . . . . Be r y l l i u m mg / L NS E 0 . 0 1 1 8 < 0 . 0 1 0 0 .. . . . . Ca d m i m u m mg / L 0. 0 0 1 7 5 < 0 . 0 1 0 0 < 0 . 0 1 0 0 .. . . . . Ch r o m i u m mg / L 0. 0 1 0. 3 4 4 <0 . 0 1 0 0 < 0 . 0 1 0 0 < 0 . 0 1 0 0 < 0 . 0 1 0 0 < 0 . 0 0 5 N A 0 . 0 0 7 6 Co p p e r mg / L 1 0 . 1 6 5 < 0 . 0 1 0 0 .. . . . . Le a d mg / L 0. 0 1 5 0. 0 8 9 9 <0 . 0 1 0 0 .. . . . . Me r c u r y mg / L 0. 0 0 1 0 5 < 0 . 0 0 0 2 8 5 < 0 . 0 0 0 2 8 5 .. . . . . Ni c k e l mg / L 0. 1 0 . 0 8 6 6 < 0 . 0 1 0 0 .. . . . . Se l e n i u m mg / L 0. 0 5 < 0 . 0 1 0 0 < 0 . 0 2 0 0 .. . . . . Si l v e r mg / L 0. 0 1 7 5 < 0 . 0 1 0 0 < 0 . 0 1 0 0 .. . . . . Th a l l i u m mg / L NS E < 0 . 0 1 0 0 < 0 . 0 1 0 0 .. . . . . Zi n c mg / L 1. 0 5 0 . 4 4 1 < 0 . 0 2 0 0 .. . . . . In o r g a n i c s Am m o n i a mg / L NS E . < 0 . 1 .. . . . . Bo r o n mg / L 0. 7 0 . 5 7 6 0 . 6 8 7 0. 8 5 5 0. 6 7 2 0 . 0 2 8 8 < 0 . 5 < 0 . 5 < 0 . 5 Ph o s p h o r u s mg / L NS E . 2 . 8 4 .. . . . . TK N mg / L NSE . 0 . 9 . . . . . . NS E - N o S t a n d a r d E s t a b l i s h e d BD L - B e l o w D e t e c t i o n L i m i t s BR L - B e l o w R e p o r t i n g L i m i t Bo l d a n d I t a l i c s f o n t d e n o t e s G W S t a n d a r d e x c e e d a n c e . Bl a n k C e l l s ( . ) i n d i c a t e c o m p o u n d n o t a n a l y z e d . 0. 0 0 0 0 0. 1 0 0 0 0. 2 0 0 0 0. 3 0 0 0 0. 4 0 0 0 0. 5 0 0 0 0. 6 0 0 0 0. 7 0 0 0 0. 8 0 0 0 0. 9 0 0 0 A n a l y t i c a l R e s u l t s ( m g / L ) Hi s t o r i c a l G r o u n d w a t e r A n a l y t i c a l R e s u l t s MW - 6 Ar s e n i c Ch r o m i u m Bo r o n Ta b l e 3 Hi s t o r i c a l G r o u n d w a t e r A n a l y t i c a l R e s u l t s Ol d Q F P S i t e 21 1 4 4 H i g h w a y 3 0 1 S o u t h En f i e l d , N o r t h C a r o l i n a MW - 7 Un i t s 2L St a n d a r d 3/ 1 5 / 2 0 0 7 4 / 1 2 / 2 0 0 7 4 / 2 9 / 2 0 1 0 1 0 / 2 8 / 2 0 1 0 5 / 1 2 / 2 0 1 1 1 1 / 8 / 2 0 1 1 2 / 2 8 / 2 0 1 3 5 / 3 0 / 2 0 1 3 Me t a l s Ar s e n i c mg / L 0. 0 1 0. 1 5 5 0 . 3 5 7 0 . 1 5 7 0 . 2 1 2 0 . 2 0 4 0 . 2 7 1 0 . 0 8 3 0 . 3 1 9 An t i m o n y mg / L NS E < 0 . 0 4 0 0 < 0 . 0 1 0 0 .. . . . . Be r y l l i u m mg / L NS E < 0 . 0 1 0 0 < 0 . 0 1 0 0 .. . . . . Ca d m i m u m mg / L 0. 0 0 1 7 5 < 0 . 0 1 0 0 < 0 . 0 1 0 0 .. . . . . Ch r o m i u m mg / L 0. 0 1 0. 1 7 6 <0 . 0 1 0 0 < 0 . 0 1 0 0 0. 0 1 1 5 <0 . 0 1 0 0 0. 0 1 0 2 <0 . 0 0 5 0 . 0 0 7 5 5 Co p p e r mg / L 1 0 . 2 0 1 0 . 0 1 1 6 .. . . . . Le a d mg / L 0. 0 1 5 0. 1 1 3 <0 . 0 1 0 0 .. . . . . Me r c u r y mg / L 0. 0 0 1 0 5 0. 0 0 2 4 7 <0 . 0 0 2 8 5 .. . . . . Ni c k e l mg / L 0. 1 0 . 0 2 3 6 < 0 . 0 1 0 0 .. . . . . Se l e n i u m mg / L 0. 0 5 < 0 . 0 1 0 0 < 0 . 0 2 0 0 .. . . . . Si l v e r mg / L 0. 0 1 7 5 < 0 . 0 1 0 0 < 0 . 0 1 0 0 .. . . . . Th a l l i u m mg / L NS E < 0 . 0 1 0 0 < 0 . 0 1 0 0 .. . . . . Zi n c mg / L 1. 0 5 0 . 2 9 2 < 0 . 0 2 0 0 .. . . . . In o r g a n i c s Am m o n i a mg / L NSE . 1 . 4 . . . . . . Bo r o n mg / L 0. 7 0 . 2 9 2 0 . 3 3 1 0 . 2 2 1 0 . 2 3 1 0 . 2 3 1 0 . 2 2 3 < 0 . 5 0 . 1 5 5 Ph o s p h o r u s mg / L NS E 8 . 8 2 1 . 8 3 .. . . . . TK N mg / L NS E 2 0 . 1 7 . 8 .. . . . . NS E - N o S t a n d a r d E s t a b l i s h e d BD L - B e l o w D e t e c t i o n L i m i t s BR L - B e l o w R e p o r t i n g L i m i t Bo l d a n d I t a l i c s f o n t d e n o t e s G W S t a n d a r d e x c e e d a n c e . Bl a n k C e l l s ( . ) i n d i c a t e c o m p o u n d n o t a n a l y z e d . Ta b l e 3 Hi s t o r i c a l G r o u n d w a t e r A n a l y t i c a l R e s u l t s Ol d Q F P S i t e 21 1 4 4 H i g h w a y 3 0 1 S o u t h En f i e l d , N o r t h C a r o l i n a MW - 7 (C o n t i n u e d ) Un i t s 2L St a n d a r d 8/ 1 3 / 2 0 1 3 8 / 1 1 / 2 0 1 4 8 / 2 0 / 2 0 1 5 Me t a l s Ar s e n i c mg / L 0. 0 1 0. 4 2 0 . 3 0 0 . 3 5 An t i m o n y mg / L NS E . . . Be r y l l i u m mg / L NS E . . . Ca d m i m u m mg / L 0. 0 0 1 7 5 . . . Ch r o m i u m mg / L 0. 0 1 0 . 0 0 5 6 0 . 0 0 9 5 0 . 0 0 9 1 Co p p e r mg / L 1. . . Le a d mg / L 0. 0 1 5 . . . Me r c u r y mg / L 0. 0 0 1 0 5 . . . Ni c k e l mg / L 0. 1 . . . Se l e n i u m mg / L 0. 0 5 . . . Si l v e r mg / L 0. 0 1 7 5 . . . Th a l l i u m mg / L NS E . . . Zi n c mg / L 1. 0 5 . . . In o r g a n i c s Am m o n i a mg / L NS E . . . Bo r o n mg / L 0. 7 < 0 . 5 N A < 0 . 5 Ph o s p h o r u s mg / L NS E . . . TK N mg / L NS E . NS E - N o S t a n d a r d E s t a b l i s h e d BD L - B e l o w D e t e c t i o n L i m i t s BR L - B e l o w R e p o r t i n g L i m i t Bo l d a n d I t a l i c s f o n t d e n o t e s G W S t a n d a r d e x c e e d a n c e . Bl a n k C e l l s ( . ) i n d i c a t e c o m p o u n d n o t a n a l y z e d . 0. 0 0 0 0 0. 0 5 0 0 0. 1 0 0 0 0. 1 5 0 0 0. 2 0 0 0 0. 2 5 0 0 0. 3 0 0 0 0. 3 5 0 0 0. 4 0 0 0 0. 4 5 0 0 A n a l y t i c a l R e s u l t s ( m g / L ) Hi s t o r i c a l G r o u n d w a t e r A n a l y t i c a l R e s u l t s MW - 7 Ar s e n i c Ch r o m i u m Bo r o n Ta b l e 3 Hi s t o r i c a l G r o u n d w a t e r A n a l y t i c a l R e s u l t s Ol d Q F P S i t e 21 1 4 4 H i g h w a y 3 0 1 S o u t h En f i e l d , N o r t h C a r o l i n a MW - 1 2 Un i t s 2L St a n d a r d 9/ 3 0 / 2 0 0 8 1 0 / 2 7 / 2 0 0 8 4 / 2 9 / 2 0 1 0 1 0 / 2 8 / 2 0 1 0 5 / 1 2 / 2 0 1 1 1 1 / 8 / 2 0 1 1 2 / 2 8 / 2 0 1 3 5 / 3 0 / 2 0 1 3 Me t a l s Ar s e n i c mg / L 0. 0 1 0. 7 6 0 . 4 4 0 . 2 0 5 0 . 0 9 2 4 0 . 2 7 1 <0 . 0 1 0 0 0. 2 2 0 . 2 8 4 An t i m o n y mg / L NSE . . . . . . . . Be r y l l i u m mg / L NSE . . . . . . . . Ca d m i m u m mg / L 0. 0 0 1 7 5 .. . . . . . . Ch r o m i u m mg / L 0. 0 1 0. 2 0 . 0 2 4 0 . 0 3 5 3 0 . 0 2 7 7 0 . 0 1 1 4 <0 . 0 1 0 0 < 0 . 0 0 5 0 . 0 0 2 2 3 Co p p e r mg / L 1. . . . . . . . Le a d mg / L 0. 0 1 5 .. . . . . . . Me r c u r y mg / L 0. 0 0 1 0 5 .. . . . . . . Ni c k e l mg / L 0.1. . . . . . . . Se l e n i u m mg / L 0. 0 5 .. . . . . . . Si l v e r mg / L 0. 0 1 7 5 .. . . . . . . Th a l l i u m mg / L NSE . . . . . . . . Zi n c mg / L 1. 0 5 .. . . . . . . In o r g a n i c s Am m o n i a mg / L NSE . . . . . . . . Bo r o n mg / L 0. 7 0. 7 5 BR L 0 . 0 2 3 4 0 . 6 8 0 0 . 3 4 6 0 . 4 9 6 < 0 . 5 0 . 3 2 4 Ph o s p h o r u s mg / L NSE . . . . . . . . TK N mg / L NSE . . . . . . . . NS E - N o S t a n d a r d E s t a b l i s h e d BD L - B e l o w D e t e c t i o n L i m i t s BR L - B e l o w R e p o r t i n g L i m i t Bo l d a n d I t a l i c s f o n t d e n o t e s G W S t a n d a r d e x c e e d a n c e . Bl a n k C e l l s ( . ) i n d i c a t e c o m p o u n d n o t a n a l y z e d . Ta b l e 3 Hi s t o r i c a l G r o u n d w a t e r A n a l y t i c a l R e s u l t s Ol d Q F P S i t e 21 1 4 4 H i g h w a y 3 0 1 S o u t h En f i e l d , N o r t h C a r o l i n a MW - 1 2 (C o n t i n u e d ) Un i t s 2L St a n d a r d 8/ 1 3 / 2 0 1 3 8 / 1 1 / 2 0 1 4 8 / 2 0 / 2 0 1 5 Me t a l s Ar s e n i c mg / L 0. 0 1 0. 3 5 0 . 6 0 0 . 6 5 An t i m o n y mg / L NS E . . . Be r y l l i u m mg / L NS E . . . Ca d m i m u m mg / L 0. 0 0 1 7 5 . . . Ch r o m i u m mg / L 0. 0 1 < 0 . 0 0 5 0 0. 0 2 2 0 . 0 2 8 Co p p e r mg / L 1. . . Le a d mg / L 0. 0 1 5 . . . Me r c u r y mg / L 0. 0 0 1 0 5 . . . Ni c k e l mg / L 0. 1 . . . Se l e n i u m mg / L 0. 0 5 . . . Si l v e r mg / L 0. 0 1 7 5 . . . Th a l l i u m mg / L NS E . . . Zi n c mg / L 1. 0 5 . . . In o r g a n i c s Am m o n i a mg / L NS E . . . Bo r o n mg / L 0. 7 < 0 . 5 N A < 0 . 5 Ph o s p h o r u s mg / L NS E . . . TK N mg / L NS E . . . NS E - N o S t a n d a r d E s t a b l i s h e d BD L - B e l o w D e t e c t i o n L i m i t s BR L - B e l o w R e p o r t i n g L i m i t Bo l d a n d I t a l i c s f o n t d e n o t e s G W S t a n d a r d e x c e e d a n c e . Bl a n k C e l l s ( . ) i n d i c a t e c o m p o u n d n o t a n a l y z e d . 0. 0 0 0 0 0. 1 0 0 0 0. 2 0 0 0 0. 3 0 0 0 0. 4 0 0 0 0. 5 0 0 0 0. 6 0 0 0 0. 7 0 0 0 0. 8 0 0 0 A n a l y t i c a l R e s u l t s ( m g / L ) Hi s t o r i c a l G r o u n d w a t e r A n a l y t i c a l R e s u l t s MW - 1 2 Ar s e n i c Ch r o m i u m Bo r o n Ta b l e 3 Hi s t o r i c a l G r o u n d w a t e r A n a l y t i c a l R e s u l t s Ol d Q F P S i t e 21 1 4 4 H i g h w a y 3 0 1 S o u t h En f i e l d , N o r t h C a r o l i n a MW - 1 3 Un i t s 2L St a n d a r d 9/ 3 0 / 2 0 0 8 1 0 / 2 7 / 2 0 0 8 4 / 2 9 / 2 0 1 0 1 0 / 2 8 / 2 0 1 0 1 0 / 2 8 / 2 0 1 0 5 / 1 2 / 2 0 1 1 1 1 / 8 / 2 0 1 1 1 1 / 7 / 2 0 1 2 Me t a l s Ar s e n i c mg / L 0. 0 1 1. 6 0 . 2 5 9 . 6 1 0 . 0 3 1 5 0 . 0 3 4 7 3 . 9 4 0 . 0 4 0 . 8 2 5 An t i m o n y mg / L NSE . . . . . . . . Be r y l l i u m mg / L NSE . . . . . . . . Ca d m i m u m mg / L 0. 0 0 1 7 5 .. . . . . . . Ch r o m i u m mg / L 0. 0 1 1. 1 0 . 5 2 5 . 4 6 <0 . 0 1 0 0 < 0 . 0 1 0 0 3. 2 6 <0 . 0 1 0 0 0. 4 2 8 Co p p e r mg / L 1. . . . . . . . Le a d mg / L 0. 0 1 5 .. . . . . . . Me r c u r y mg / L 0. 0 0 1 0 5 .. . . . . . . Ni c k e l mg / L 0.1. . . . . . . . Se l e n i u m mg / L 0. 0 5 .. . . . . . . Si l v e r mg / L 0. 0 1 7 5 .. . . . . . . Th a l l i u m mg / L NSE . . . . . . . . Zi n c mg / L 1. 0 5 .. . . . . . . In o r g a n i c s Am m o n i a mg / L NSE . . . . . . . . Bo r o n mg / L 0. 7 0. 8 9 0. 0 2 9 < 1 . 0 0 . 6 4 1 0 . 6 3 8 < 0 . 1 0 . 4 3 8 0 . 3 4 1 Ph o s p h o r u s mg / L NSE . . . . . . . . TK N mg / L NSE . . . . . . . NS E - N o S t a n d a r d E s t a b l i s h e d BD L - B e l o w D e t e c t i o n L i m i t s BR L - B e l o w R e p o r t i n g L i m i t Bo l d a n d I t a l i c s f o n t d e n o t e s G W S t a n d a r d e x c e e d a n c e . Bl a n k C e l l s ( . ) i n d i c a t e c o m p o u n d n o t a n a l y z e d . Ta b l e 3 Hi s t o r i c a l G r o u n d w a t e r A n a l y t i c a l R e s u l t s Ol d Q F P S i t e 21 1 4 4 H i g h w a y 3 0 1 S o u t h En f i e l d , N o r t h C a r o l i n a MW - 1 3 ( Co n t i n u e d ) Un i t s 2L St a n d a r d 2/ 2 8 / 2 0 1 3 5 / 3 0 / 2 0 1 3 8 / 1 3 / 2 0 1 3 8 / 1 1 / 2 0 1 4 8 / 2 0 / 2 0 1 5 Me t a l s Ar s e n i c mg / L 0. 0 1 0. 3 7 0 . 4 8 4 0 . 4 8 0 . 5 6 1 . 1 An t i m o n y mg / L NSE . . . . . Be r y l l i u m mg / L NSE . . . . . Ca d m i m u m mg / L 0. 0 0 1 7 5 .. . . . Ch r o m i u m mg / L 0. 0 1 < 0 . 0 0 5 0 . 0 0 2 2 9 < 0 . 0 0 5 < 0 . 0 0 5 0. 0 2 1 Co p p e r mg / L 1. . . . . Le a d mg / L 0. 0 1 5 .. . . . Me r c u r y mg / L 0. 0 0 1 0 5 .. . . . Ni c k e l mg / L 0.1. . . . . Se l e n i u m mg / L 0. 0 5 .. . . . Si l v e r mg / L 0. 0 1 7 5 .. . . . Th a l l i u m mg / L NSE . . . . . Zi n c mg / L 1. 0 5 .. . . . In o r g a n i c s Am m o n i a mg / L NSE . . . . . Bo r o n mg / L 0. 7 < 0 . 5 0 . 3 1 5 < 0 . 5 N A < 0 . 5 Ph o s p h o r u s mg / L NSE . . . . . TK N mg / L NSE . . . . . NS E - N o S t a n d a r d E s t a b l i s h e d BD L - B e l o w D e t e c t i o n L i m i t s BR L - B e l o w R e p o r t i n g L i m i t Bo l d a n d I t a l i c s f o n t d e n o t e s G W S t a n d a r d e x c e e d a n c e . Bl a n k C e l l s ( . ) i n d i c a t e c o m p o u n d n o t a n a l y z e d . 0. 0 0 0 0 2. 0 0 0 0 4. 0 0 0 0 6. 0 0 0 0 8. 0 0 0 0 10 . 0 0 0 0 12 . 0 0 0 0 A n a l y t i c a l R e s u l t s ( m g / L ) Hi s t o r i c a l G r o u n d w a t e r A n a l y t i c a l R e s u l t s MW - 1 3 Ar s e n i c Ch r o m i u m Bo r o n Ta b l e 3 Hi s t o r i c a l G r o u n d w a t e r A n a l y t i c a l R e s u l t s Ol d Q F P S i t e 21 1 4 4 H i g h w a y 3 0 1 S o u t h En f i e l d , N o r t h C a r o l i n a MW - 1 4 Un i t s 2L St a n d a r d 9/ 3 0 / 2 0 0 8 4 / 2 9 / 2 0 1 0 1 0 / 2 8 / 2 0 1 0 5 / 1 2 / 2 0 1 1 1 1 / 8 / 2 0 1 1 2 / 2 8 / 2 0 1 3 5 / 3 0 / 2 0 1 3 8 / 1 3 / 2 0 1 3 Me t a l s Ar s e n i c mg / L 0. 0 1 B R L 0 . 0 1 0. 0 1 8 4 0 . 0 1 5 7 0 . 1 6 7 0 . 0 4 7 0 . 0 1 3 6 0 . 0 2 An t i m o n y mg / L NSE . . . . . . . . Be r y l l i u m mg / L NSE . . . . . . . . Ca d m i m u m mg / L 0. 0 0 1 7 5 .. . . . . . . Ch r o m i u m mg / L 0. 0 1 B R L 0 . 0 1 .. . . . <0 . 0 0 5 Co p p e r mg / L 1. . . . . . . . Le a d mg / L 0. 0 1 5 .. . . . . . . Me r c u r y mg / L 0. 0 0 1 0 5 .. . . . . . . Ni c k e l mg / L 0.1. . . . . . . . Se l e n i u m mg / L 0. 0 5 .. . . . . . . Si l v e r mg / L 0. 0 1 7 5 .. . . . . . . Th a l l i u m mg / L NSE . . . . . . . . Zi n c mg / L 1. 0 5 .. . . . . . . In o r g a n i c s Am m o n i a mg / L NSE . . . . . . . . Bo r o n mg / L 0. 7 B R L 0 . 6 4 5 0 . 1 4 6 0 . 0 6 1 8 0 . 4 0 5 < 0 . 5 0 . 0 6 < 0 . 5 Ph o s p h o r u s mg / L NSE . . . . . . . . TK N mg / L NSE . . . . . . . . NS E - N o S t a n d a r d E s t a b l i s h e d BD L - B e l o w D e t e c t i o n L i m i t s BR L - B e l o w R e p o r t i n g L i m i t Bo l d a n d I t a l i c s f o n t d e n o t e s G W S t a n d a r d e x c e e d a n c e . Bl a n k C e l l s ( . ) i n d i c a t e c o m p o u n d n o t a n a l y z e d . Ta b l e 3 Hi s t o r i c a l G r o u n d w a t e r A n a l y t i c a l R e s u l t s Ol d Q F P S i t e 21 1 4 4 H i g h w a y 3 0 1 S o u t h En f i e l d , N o r t h C a r o l i n a MW - 1 4 (c o n t . ) Un i t s 2L St a n d a r d 8/ 1 1 / 2 0 1 4 8 / 2 0 / 2 0 1 5 Me t a l s Ar s e n i c mg / L 0. 0 1 0. 0 7 1 0 . 2 4 An t i m o n y mg / L NS E . . Be r y l l i u m mg / L NS E . . Ca d m i m u m mg / L 0. 0 0 1 7 5 . . Ch r o m i u m mg / L 0. 0 1 0 . 0 0 7 4 0. 0 3 1 Co p p e r mg / L 1. . Le a d mg / L 0. 0 1 5 . . Me r c u r y mg / L 0. 0 0 1 0 5 . . Ni c k e l mg / L 0. 1 . . Se l e n i u m mg / L 0. 0 5 . . Si l v e r mg / L 0. 0 1 7 5 . . Th a l l i u m mg / L NS E . . Zi n c mg / L 1. 0 5 . . In o r g a n i c s Am m o n i a mg / L NS E . . Bo r o n mg / L 0. 7 N A 0. 8 2 Ph o s p h o r u s mg / L NS E . . TK N mg / L NS E . . NS E - N o S t a n d a r d E s t a b l i s h e d BD L - B e l o w D e t e c t i o n L i m i t s BR L - B e l o w R e p o r t i n g L i m i t Bo l d a n d I t a l i c s f o n t d e n o t e s G W S t a n d a r d e x c e e d a n c e . Bl a n k C e l l s ( . ) i n d i c a t e c o m p o u n d n o t a n a l y z e d . 0. 0 0 0 0 0. 1 0 0 0 0. 2 0 0 0 0. 3 0 0 0 0. 4 0 0 0 0. 5 0 0 0 0. 6 0 0 0 0. 7 0 0 0 A n a l y t i c a l R e s u l t s ( m g / L ) Hi s t o r i c a l G r o u n d w a t e r A n a l y t i c a l R e s u l t s MW - 1 4 Ar s e n i c Ch r o m i u m Bo r o n Ta b l e 3 Hi s t o r i c a l G r o u n d w a t e r A n a l y t i c a l R e s u l t s Ol d Q F P S i t e 21 1 4 4 H i g h w a y 3 0 1 S o u t h En f i e l d , N o r t h C a r o l i n a MW - 1 5 Un i t s 2L St a n d a r d 5/ 3 0 / 2 0 1 3 8 / 1 3 / 2 0 1 3 8 / 1 1 / 2 0 1 4 8 / 2 0 / 2 0 1 5 Me t a l s Ar s e n i c mg / L 0. 0 1 < 0 . 0 1 < 0 . 0 1 < 0 . 0 1 < 0 . 0 1 An t i m o n y mg / L NSE . . . . Be r y l l i u m mg / L NSE . . . . Ca d m i m u m mg / L 0. 0 0 1 7 5 .. . . Ch r o m i u m mg / L 0. 0 1 < 0 . 0 0 5 < 0 . 0 0 5 < 0 . 0 0 5 < 0 . 0 0 5 Co p p e r mg / L 1. . . . Le a d mg / L 0. 0 1 5 .. . . Me r c u r y mg / L 0. 0 0 1 0 5 .. . . Ni c k e l mg / L 0.1. . . . Se l e n i u m mg / L 0. 0 5 .. . . Si l v e r mg / L 0. 0 1 7 5 .. . . Th a l l i u m mg / L NSE . . . . Zi n c mg / L 1. 0 5 .. . . In o r g a n i c s Am m o n i a mg / L NSE . . . . Bo r o n mg / L 0. 7 0 . 0 7 3 6 < 0 . 5 < 0 . 5 < 0 . 5 Ph o s p h o r u s mg / L NSE . . . . TK N mg / L NS E . . NS E - N o S t a n d a r d E s t a b l i s h e d BD L - B e l o w D e t e c t i o n L i m i t s BR L - B e l o w R e p o r t i n g L i m i t Bo l d a n d I t a l i c s f o n t d e n o t e s G W S t a n d a r d e x c e e d a n c e . Bl a n k C e l l s ( . ) i n d i c a t e c o m p o u n d n o t a n a l y z e d . 0. 0 0 0 0 0. 0 1 0 0 0. 0 2 0 0 0. 0 3 0 0 0. 0 4 0 0 0. 0 5 0 0 0. 0 6 0 0 0. 0 7 0 0 0. 0 8 0 0 A n a l y t i c a l R e s u l t s ( m g / L ) Hi s t o r i c a l G r o u n d w a t e r A n a l y t i c a l R e s u l t s MW - 1 5 Ar s e n i c Ch r o m i u m Bo r o n Ta b l e 3 Hi s t o r i c a l G r o u n d w a t e r A n a l y t i c a l R e s u l t s Ol d Q F P S i t e 21 1 4 4 H i g h w a y 3 0 1 S o u t h En f i e l d , N o r t h C a r o l i n a DW - 1 Un i t s 2L St a n d a r d 5/ 7 / 2 0 0 7 4 / 2 9 / 2 0 1 0 1 0 / 2 8 / 2 0 1 0 5 / 1 2 / 2 0 1 1 1 1 / 8 / 2 0 1 1 1 1 / 7 / 2 0 1 2 2 / 2 8 / 2 0 1 3 5 / 3 0 / 2 0 1 3 Me t a l s Ar s e n i c mg / L 0. 0 1 < 0 . 0 1 0 0 .. . . . 0. 0 1 2 . An t i m o n y mg / L NS E < 0 . 0 4 0 0 .. . . . . . Be r y l l i u m mg / L NS E < 0 . 0 1 0 0 .. . . . . . Ca d m i m u m mg / L 0. 0 0 1 7 5 < 0 . 0 1 0 0 .. . . . . . Ch r o m i u m mg / L 0. 0 1 < 0 . 0 1 0 0 .. . . . . . Co p p e r mg / L 1 < 0 . 0 1 0 0 .. . . . . . Le a d mg / L 0. 0 1 5 < 0 . 0 1 0 0 .. . . . . . Me r c u r y mg / L 0. 0 0 1 0 5 < 0 . 0 0 0 2 8 5 .. . . . . . Ni c k e l mg / L 0. 1 < 0 . 0 1 0 0 .. . . . . . Se l e n i u m mg / L 0. 0 5 < 0 . 0 2 0 0 .. . . . . . Si l v e r mg / L 0. 0 1 7 5 < 0 . 0 1 0 0 .. . . . . . Th a l l i u m mg / L NS E < 0 . 0 1 0 0 .. . . . . . Zi n c mg / L 1. 0 5 < 0 . 0 2 0 0 .. . . . . . In o r g a n i c s Am m o n i a mg / L NSE0 . 2 . . . . . . . Bo r o n mg / L 0. 7 0 . 0 1 8 4 0 . 0 1 1 0 . 0 1 6 1 0 . 0 1 6 4 < 0 . 0 1 0 0 0 . 0 2 6 3 < 0 . 5 0 . 3 5 Ph o s p h o r u s mg / L NS E 0 . 1 3 .. . . . . . TK N mg / L NSE1 . 5 . . . . . . . NS E - N o S t a n d a r d E s t a b l i s h e d BD L - B e l o w D e t e c t i o n L i m i t s BR L - B e l o w R e p o r t i n g L i m i t Bo l d a n d I t a l i c s f o n t d e n o t e s G W S t a n d a r d e x c e e d a n c e . Bl a n k C e l l s ( . ) i n d i c a t e c o m p o u n d n o t a n a l y z e d . 0. 0 0 0 0 0. 0 5 0 0 0. 1 0 0 0 0. 1 5 0 0 0. 2 0 0 0 0. 2 5 0 0 0. 3 0 0 0 0. 3 5 0 0 0. 4 0 0 0 A n a l y t i c a l R e s u l t s ( m g / L ) Hi s t o r i c a l G r o u n d w a t e r A n a l y t i c a l R e s u l t s DW - 1 Ar s e n i c Ch r o m i u m Bo r o n Ta b l e 3 Hi s t o r i c a l G r o u n d w a t e r A n a l y t i c a l R e s u l t s Ol d Q F P S i t e 21 1 4 4 H i g h w a y 3 0 1 S o u t h En f i e l d , N o r t h C a r o l i n a DW - 1 (C o n t i n u e d ) Un i t s 2L St a n d a r d 8/ 1 3 / 2 0 1 3 8 / 1 1 / 2 0 1 4 8 / 2 0 / 2 0 1 5 Me t a l s Ar s e n i c mg / L 0. 0 1 < 0 . 0 1 < 0 . 0 1 < 0 . 0 1 An t i m o n y mg / L NS E . . . Be r y l l i u m mg / L NS E . . . Ca d m i m u m mg / L 0. 0 0 1 7 5 . . . Ch r o m i u m mg / L 0. 0 1 < 0 . 0 0 5 < 0 . 0 0 5 < 0 . 0 0 5 Co p p e r mg / L 1. . . Le a d mg / L 0. 0 1 5 . . . Me r c u r y mg / L 0. 0 0 1 0 5 . . . Ni c k e l mg / L 0. 1 . . . Se l e n i u m mg / L 0. 0 5 . . . Si l v e r mg / L 0. 0 1 7 5 . . . Th a l l i u m mg / L NS E . . . Zi n c mg / L 1. 0 5 . . . In o r g a n i c s Am m o n i a mg / L NS E . . . Bo r o n mg / L 0. 7 < 0 . 5 < 0 . 5 < 0 . 5 Ph o s p h o r u s mg / L NS E . . . TK N mg / L NS E . . . NS E - N o S t a n d a r d E s t a b l i s h e d BD L - B e l o w D e t e c t i o n L i m i t s BR L - B e l o w R e p o r t i n g L i m i t Bo l d a n d I t a l i c s f o n t d e n o t e s G W S t a n d a r d e x c e e d a n c e . Bl a n k C e l l s ( . ) i n d i c a t e c o m p o u n d n o t a n a l y z e d . Ta b l e 3 Hi s t o r i c a l G r o u n d w a t e r A n a l y t i c a l R e s u l t s Ol d Q F P S i t e 21 1 4 4 H i g h w a y 3 0 1 S o u t h En f i e l d , N o r t h C a r o l i n a SW - 1 U p s t r e a m Un i t s 2B St a n d a r d 2/ 2 8 / 2 0 1 3 5 / 3 0 / 2 0 1 3 8 / 1 3 / 2 0 1 3 8 / 2 0 / 2 0 1 5 Me t a l s Ar s e n i c mg / L 0. 0 5 < 0 . 0 1 < 0 . 0 1 < 0 . 0 1 < 0 . 0 1 An t i m o n y mg / L .. . . . Be r y l l i u m mg / L .. . . . Ca d m i m u m mg / L .. . . . Ch r o m i u m mg / L 0. 0 5 < 0 . 0 0 5 < 0 . 0 0 5 < 0 . 0 0 5 < 0 . 0 0 5 Co p p e r mg / L .. . . . Le a d mg / L .. . . . Me r c u r y mg / L .. . . . Ni c k e l mg / L .. . . . Se l e n i u m mg / L .. . . . Si l v e r mg / L .. . . . Th a l l i u m mg / L .. . . . Zi n c mg / L .. . . . In o r g a n i c s Am m o n i a mg / L .. . . . Bo r o n mg / L NS E < 0 . 5 0 . 0 1 0 1 < 0 . 5 < 0 . 5 Ph o s p h o r u s mg / L .. . . . . . . TK N mg / L .. . . . . . . NS E - N o S t a n d a r d E s t a b l i s h e d BD L - B e l o w D e t e c t i o n L i m i t s BR L - B e l o w R e p o r t i n g L i m i t Bo l d a n d I t a l i c s f o n t d e n o t e s G W S t a n d a r d e x c e e d a n c e . Bl a n k C e l l s ( . ) i n d i c a t e c o m p o u n d n o t a n a l y z e d . 0. 0 0 0 0 0. 0 0 2 0 0. 0 0 4 0 0. 0 0 6 0 0. 0 0 8 0 0. 0 1 0 0 0. 0 1 2 0 A n a l y t i c a l R e s u l t s ( m g / L ) Hi s t o r i c a l S u r f a c e W a t e r A n a l y t i c a l R e s u l t s SW - 1 ( U p s t r e a m ) Ar s e n i c Ch r o m i u m Bo r o n Ta b l e 3 Hi s t o r i c a l G r o u n d w a t e r A n a l y t i c a l R e s u l t s Ol d Q F P S i t e 21 1 4 4 H i g h w a y 3 0 1 S o u t h En f i e l d , N o r t h C a r o l i n a SW - 2 M i d s t r e a m Un i t s 2B St a n d a r d 2/ 2 8 / 2 0 1 3 5 / 3 0 / 2 0 1 3 8 / 1 3 / 2 0 1 3 8 / 2 0 / 2 0 1 5 Me t a l s Ar s e n i c mg / L 0. 0 5 0. 2 4 0 . 7 3 8 0 . 1 5 0 . 8 3 An t i m o n y mg / L .. . . . Be r y l l i u m mg / L .. . . . Ca d m i m u m mg / L .. . . . Ch r o m i u m mg / L 0. 0 5 0 . 0 0 8 0 . 0 0 4 9 7 < 0 . 0 0 5 0. 0 8 9 Co p p e r mg / L .. . . . Le a d mg / L .. . . . Me r c u r y mg / L .. . . . Ni c k e l mg / L .. . . . Se l e n i u m mg / L .. . . . Si l v e r mg / L .. . . . Th a l l i u m mg / L .. . . . Zi n c mg / L .. . . . In o r g a n i c s Am m o n i a mg / L .. . . . Bo r o n mg / L NS E 0 . 9 4 0 . 6 8 6 0 . 8 2 2 . 0 Ph o s p h o r u s mg / L .. . . . . . . TK N mg / L .. . . . . . . NS E - N o S t a n d a r d E s t a b l i s h e d BD L - B e l o w D e t e c t i o n L i m i t s BR L - B e l o w R e p o r t i n g L i m i t Bo l d a n d I t a l i c s f o n t d e n o t e s G W S t a n d a r d e x c e e d a n c e . Bl a n k C e l l s ( . ) i n d i c a t e c o m p o u n d n o t a n a l y z e d . 0. 0 0 0 0 0. 5 0 0 0 1. 0 0 0 0 1. 5 0 0 0 2. 0 0 0 0 2. 5 0 0 0 A n a l y t i c a l R e s u l t s ( m g / L ) Hi s t o r i c a l S u r f a c e W a t e r A n a l y t i c a l R e s u l t s SW - 2 ( M i d s t r e a m ) Ar s e n i c Ch r o m i u m Bo r o n Ta b l e 3 Hi s t o r i c a l G r o u n d w a t e r A n a l y t i c a l R e s u l t s Ol d Q F P S i t e 21 1 4 4 H i g h w a y 3 0 1 S o u t h En f i e l d , N o r t h C a r o l i n a SW - 3 D o w n s t r e a m Un i t s 2B St a n d a r d 2/ 2 8 / 2 0 1 3 5 / 3 0 / 2 0 1 3 8 / 1 3 / 2 0 1 3 8 / 2 0 / 2 0 1 5 Me t a l s Ar s e n i c mg / L 0. 0 5 < 0 . 0 1 0 < 0 . 0 1 0 < 0 . 0 1 0 < 0 . 0 1 0 An t i m o n y mg / L .. . Be r y l l i u m mg / L .. . Ca d m i m u m mg / L .. . Ch r o m i u m mg / L 0. 0 5 < 0 . 0 0 5 < 0 . 0 0 5 < 0 . 0 0 5 0 < 0 . 0 0 5 0 Co p p e r mg / L .. . Le a d mg / L .. . Me r c u r y mg / L .. . Ni c k e l mg / L .. . Se l e n i u m mg / L .. . Si l v e r mg / L .. . Th a l l i u m mg / L .. . Zi n c mg / L .. . In o r g a n i c s Am m o n i a mg / L .. . Bo r o n mg / L NS E < 0 . 5 0 . 0 2 0 7 < 0 . 5 < 0 . 5 Ph o s p h o r u s mg / L .. . . . . . . TK N mg / L .. . . . . . . NS E - N o S t a n d a r d E s t a b l i s h e d BD L - B e l o w D e t e c t i o n L i m i t s BR L - B e l o w R e p o r t i n g L i m i t Bo l d a n d I t a l i c s f o n t d e n o t e s G W S t a n d a r d e x c e e d a n c e . Bl a n k C e l l s ( . ) i n d i c a t e c o m p o u n d n o t a n a l y z e d . 0. 0 0 0 0 0. 0 0 5 0 0. 0 1 0 0 0. 0 1 5 0 0. 0 2 0 0 0. 0 2 5 0 A n a l y t i c a l R e s u l t s ( m g / L ) Hi s t o r i c a l G r o u n d w a t e r A n a l y t i c a l R e s u l t s SW - 3 ( D o w n s t r e a m ) Ar s e n i c Ch r o m i u m Bo r o n Appendix A Page 1 of 19 Page 2 of 19 Page 3 of 19 Page 4 of 19 Page 5 of 19 Page 6 of 19 Page 7 of 19 Page 8 of 19 Page 9 of 19 Page 10 of 19 Page 11 of 19 Page 12 of 19 Page 13 of 19 Page 14 of 19 Page 15 of 19 Page 16 of 19 Page 17 of 19 Page 18 of 19 . ·.·,:. R I S M I FulH3e f ' v i c e ? . n a l y t i c a l & i E:win;, r . ; n e n l a f S o i u t i 0 , , s 'Ll\aCfUITOJilEa INC. 449 Spr;ngbrook Road• Ci11,riotte , N C 2 8 2 1 7 r•tione 704/529-6364 • Fax: 704 1 5 2 5 - M O f l Client Company Name: _71._ /. : f { ; . , , . , , Report To/Contact Name: 0. L,:-.:. - - 1 L / 1 - - -., ,,,..., / / , , , , , , Rep9rtii:>g Address: t!-/Oi <-"'.,A·-~- - u t . . A , - ~ v / J . / v · ~ , I ~-1.L._ 2.,;:v, /Ar•,-,c-,:'iv.,1t ' /v'c ' " t ? J f i ) Phone: Fax (Yes)(¥ : _ _ _ _ _ _ Email Address: cl,/.-:> VS J..vt., '.e- : ! , · d / . J . , , ~ ; ; l " ' ' EDD Type: PDF --1¥-Excel __ Other __ _ _ _ _ _ _ Site Location Name: Oh!. G { f - ) ' " : J Site location Physical Address: ---""-.4.::c:_-. : ; , t - " . . ; - ' - l - ' - ( J . . . . . . . ~ ; : _ , ; V _ l ' - - - J CLIENT SAMPLE DESCRIPTION DATE COLLECTED T I M E CO L L E C T E D M I L I T A R Y H O U R S 0 7 3 0 0 9 0 0 J I I i , I I l - f D j t J V M A T R I X ( S O I L , W A T E R O R S L U D G E ) C H A I N O F C U S T O D Y R E C O R D P A G E _ ; _ O F i , _ Q U O T E # T O E N S U R E P R O P E R B I L L I N G : I y ~ / J d A ~ : : , - - - - - - S a r n p k ~ s I N T A G T u p e n a r r i v . : : i ! ? ~ P . c t N a m e · ( / • / L / , ; . : / ' " H e c 0 i v , d O h l W E T I C E ' ! - - : , , < ; S ~ ~ ~ H o l d A ~ a - l y _ s _ i _ s _ : - ( - Y e _ s _ ) - ( N - o ) _ _ _ U _ S _ T _ P - r o _ j _ e - c t _ : _ ( _ Y _ e s _ ) _ ( _ N _ 0 _ ) _ , 1 P F ! O P E R F ' R t . S t R \ i ' A : ' 1 ' 1 / l : S i n c , 1 c a t e d i ' ~ ~ - _ i f 1 ; ; . . . . . . _ * P l e a s e A T T A C H a n y p r o j e c t s p e c i f i c r e p o r t i n g ( Q C L E V E L I 1 1 1 1 1 I V ) R e c e i v e d W J T H l t , 1 - i O I . D l ! , C T i l V I E S ? . : . . \ . - p r o v i s i o n s a n d / o r Q C R e q u i r e m e n t s ! C U S T O D Y ~ , U \ L S i l ' l T A C P · ' ~ I n v o i c e T o : , · V C J L A T 1 l . F f l r , ' < : ' c l W I O U T i i E A D ' : , F ' A \ ; E ? = = . - - = ~ . . . ' s - - - - - - - - - - - - - - - - - - - - - - - - - P f . ' l ) ' " ' " ' F i • " ' , ( I N T l ~ ' j , J C : Q < c . " j " ; > - . r < I A d d ~ e s s : _ L i ' ' ' " ' ' - - . , . , . . . 1 , • . , , ~ u . . e c . • , ~ ' P u r c h a s e O r d ; ; ' ; ' . N o . / B i l l i n g R e f e r e n c e _ _ _ , / . ; : . : . - ; ; : ~ ; _ 1 1 , . . : : ~ _ t 1 - = ( ) ; _ _ / " " . . S : : . . . . : . . . ( ) : . . . . ; " " 1 . : . 5 . . : : . ' . . : : 0 0 : . . . : 1 , , t . . _ R e q u e s t e d D u e D a t e D 1 D a y D 2 D a y s D 3 D a y s D 4 D a y s D 5 D a y s " W o r k i n g D a y s " D 6 - 9 D a y s . h ' s t a n d a r d 1 O d a y s D R u s h W o r k M u s t B e r , · P r e - A p p r o v e d S a m p l e s r e c e i v e d a f t e r 1 4 : 0 0 w i l l b e p r o c e s s e d n e x t b u s i n e s s d a y . T u r n a r o u n d t i m e i s b a s e d o n b u s i n e s s d a y s , e x c l u d i n g w e e k e n d s a n d h o l i d a y s . ( S E E R E V E R S E F O R T E R M S & C O N D I T I O N S R E G A R D I N G S E R V I C E S R E N D E R E D B Y P R I S M L A B O R A T O R I E S , I N C . T O C L I E N T ) E I V I F ' . T h e r m J D : 2 t : 1 L : J : : : : - J 1 , " l C > b s m v e c . 1 : . : ? . ~ ~ : : _ ~ ; G : , - ; : ; _ ; ; , : j ~ ~ , d , . . . _ _ N _ _ . . . , _ _ _ _ _ _ _ _ _ • _ _ · ~ ~ - , . . - , - · · - • • • : f ; . : . . _ , I T O B E F I L L E D I N B Y C L I E N T / S A M P L I N G P E R S O N N E L C e r t i f i c a t i o n : N E L A C _ _ D o D _ _ F L _ _ N C _ _ S C O T H E R N / A . _ _ _ W a t e r C h l o r i n a t e d : Y E S _ N O _ S a m p l e I c e d U p o n C o l l e c t i o n : Y E S N O S A M P L E C O N T A I N E R A N A L Y S I S ~ E Q U E S T E D . r ) , ! ' ' P R I S M L A B I D N O . * T Y P E S E E B E L O W N O . S I Z E P R E S E R V A - T I V E S , . / ' · J . J · . / . . / , ( 1 ~ n r : J ' · 1 ; " \ I \ f ' R E M A R K S \ , I . J c ) t o P R E S S D O W N F I R M L Y , · 3 C O P I E S S a m p l e d B y ( P r i n t N a m e ) A f f i l i a t i o n £ r Upon relinqu· ing, this Chai ,of Custody is y o u r a u t h o r i z a t i o n f o r P r i s m t o p r o c e e d w i t h t h e a n a l y s e s a s r e q u e s t e d a b o v e . A n y c h a n g e s m u s t b e submitted i riting to the Pr;~m Proj ct Ma n a g e r . T h e r e w i l l b e c h a r g e s f o r a n y c h a n g e s a f t r a n a l y s e s h a v e b e e n i n i t i a l i z e d . D a t e M i l i t a r y / H o u r s 6 - ; t - I ) I ] J t i D a t e Method of Shipment: NOT_E: ALL SAMPLE copLERS S H O U L D B E T A P E D S H U T W l r i C l , I T O S E A L S F O R T R A N S P O R T A T I O N T O T H E L A B O R A T O R Y . SAMPLES ARE NOT ACCEPTED A N D V E R I F I E D A G A I N S T C O U N T I L C E I V E D A T T H E L A B O R A T O R Y . / / . 1 " - · ~ ' ~ F , . , D Fed Ex D UPS D Hand-delivered qJism Field S e r v i c e f i l . b t h e r , ; - - , . ( ' • ' i ; , ~ : ) ; s ' { ) 1 - \ ' J ) C O C G r o u p N o . NPDES: I UST: I ~OUNDWAT E R : D R I N K I N G W A T E R : S O L I D W A S T E : I R C R A : I C E R C L A I L A N D F I L L I O T H E R : O NC O SC O NC O SC ~ NC O SC D N C O S C D N C D S C D N C O S C D N C D S C D N C D S C D N C D S C D D D D D D D D O _ _ _ ''CONTAINER TYPE CODES: A= Amber C = C l e a r G = G l a s s P = P l a s t i c ; T L = T e f l o n - L i n e d C a p V O A = V o l a t i l e O r g a n i c s A n a l y s i s ( Z e r o H e a d S p a c e ) A d d i t i o n a l C o m m e n t s : F i r a ! A 0 0 1 F a e : M i l a a g i , i . S E E R E V E R S E F O R T E R M S & C O N D I T I O N S . · J l 1 ' , t f 1 4 1 Page 19 of 19 PR I Fu!i-Se r v i c e A n ; . , i y l i ( ; a l & , Envlro n m i , n t a l S o l u t , , r n . s LAl-)ORf·ffORIE.::.. INC. 449 S;:,ringbrool-: Roau • Charlotte, N G 2 8 2 ' 1 i ' Phcne ,'ll4/529-t;36<1 , Fax: i04/ 5 ) . 5 - C 4 ! J 9 -:r-L _ _,,,, .r- / ' Client Company Name: / ,:CL- c . . , , _ , . . . . , , . , , b ;--7 - f , I - ' Report To/Contact Name: _/.; · L-,_.!, _ _ , . . . , . _ Reporting Address: Z.1D,1 ,e:;.t__,, . , , , , ? . . / ; , . . . , , , _ 1 J j . ! , _{ ,,..._.,/.. 1,0\) __ j/,,,,,,-,v,f ,.-,//.i,, /.,/(., 6 . J - / . ( 6 ( ) Phone: -2--._ Fax (Yes) (NJ) : - Email Address: ,i,/0£,1U. ,.,L ,'$:: 1 : . , / 1 1 . 1 . o r , EDD Type: PDF AExcel __ Other _ _ , , . - = - - - - - - Site location Name: ()Jc!--t{J - . , 0 Site location Physical Address: /f-,J~ L } d , _ ; v ( . CLIENT SAMPLE DESCRIPTION DATE COLLECTED T I M E CO L L E C T E D MI L I T A R Y H O U R S ! . S O O .. < : , , . _ , o ) _ _ , ) M A T R I X ( S O I L , W A T E R O R S L U D G E ) C H A I N O F C U S T O D Y R E C O R D P A G E l O F 2 - - - Q U O T E # T O E N S U R E P R O P E R B I L L I N G : - - - - - - - P r o j e c t N a m e : _ _ _ _ - _ , _ { _ " " " 7 - ' - l " " " ' ' d " - ~ - - " O " - ' . _ v _ J _ ~ ' - - - - - - - - - - S h o r t H o l d A n a l y s i s : ( Y e s ) ( N o ) U S T P r o j e c t : ( Y e s ) ( N O ) * P l e a s e A T T A C H a n y p r o j e c t s p e c i f i c r e p o r t i n g ( Q C L E V E L 1 1 1 1 1 1 I V ) p r o v i s i o n s a n d / o r Q C R e q u i r e m e n t s " 5 1 J r , J P 1 e i l ~ T I \ C l 1 1 [ " : r , r i ~ 1 1 v 1 1 1 7 o o l ~ • l O N ~ \ I F t I G l " ' I P R O P F . . R P R E S E R V l ' , r l \ / E ; E i n d i C i l l . u , : f 1 R , ; , u f j l ~ o o ~ · J l t H I N H O D I N C ; I M l : l , I n v o i c e T o : _ ~ . . - - ~ ~ - - ~ ~ - - ~ - - - - ~ ~ - - ~ ~ - • A d d r ~ e s ~ s ~ : ; . . . ; = = = = ~ : ; t . ~ ~ - - - ~ ~ - - ~ ~ ~ - - ~ ~ - - - ~ - - 1 ? ~ = = = = = = = = = = = = ~ = = = = = = = ~ P u r c h a s e O r d e r N o . / B i l l i n g R e f e r e n c e } ; ) 0 ' 1 0 / . < V r ~ ( , I ) i ) R e q u e s t e d D u e D a t e D 1 D a y D 2 D a y s D 3 D a y s D 4 D a y s D 5 D a y s " W o r k i n g D a y s " D 6 - 9 D a y s . , / S t a n d a r d 1 0 d a y s o R u s h W o r k M u s t B e 6 ' 1 1 : P r e - A p p r o v e d S a m p l e s r e c e i v e d a f t e r 1 4 : 0 0 w i l l b e p r o c e s s e d n e x t b u s i n e s s d a y . T u r n a r o u n d t i m e i s b a s e d o n b u s i n e s s d a y s , e x c l u d i n g w e e k e n d s a n d h o l i d a y s . ( S E E R E V E R S E F O R T E R M S & C O N D I T I O N S R E G A R D I N G S E R V I C E S R E N D E R E D B Y P R I S M L A B O R A T O R I E S , I N C . T O C L I E N T ) T O B E F I L L E D I N B Y C L I E N T / S A M P L I N G P E R S O N N E L C e r t i f i c a t i o n : N E L A C _ _ D o D _ _ F L _ _ N C _ _ S C _ _ O T H E R N / A _ _ _ W a t e r C h l o r i n a t e d : Y E S _ N O _ S a m p l e I c e d U p o n C o l l e c t i o n : Y E S N O S A M P L E C O N T A I N E R A N A L Y S I S R E Q U E S T E D * T Y P E S E E B E L O W N O . S I Z E P R E S E R V A - T I V E S \ , / v f , . . _ ~ . e f , : r , . 1 J R E M A R K S P R I S M L A B I D N O . I J p ) P R E S S D O W N F I R M L Y - 3 C O P I E S S a m p l e d B y ( P r i n t N a m e ) A f f i l i a t i o n / ~ r : , - - - ~ Relinquished By: (Signature) Method of Shipment: O Fed Ex O UPS NPDES: I UST: I GROUNDWAT E R : D R I N K I N G W A T E R : I S O L I D W A S T E : I R C R A : I C E R C L A I L A N D F I L L I O T H E R : D NC D SC D NC D SC O NC O SC r / 2 ( N C O S C D N C O S C D N C D S C D N C D S C D N C O S C D N C D S C D D D O O O O O O _ _ _ *CONTAINER TYPE CODES: A= Amber C = C l e a r G = G l a s s P = P l a s t i c ; T L = T e f l o n - L i n e d C a p V O A = V o l a t i l e O r g a n i c s A n a l y s i s ( Z e r o H e a d S p a c e ) A d d i t i o n a l C o m m e n t s : S i t e l ) s p a n u r e T i m e . : ' S E E R E V E R S E F O R T £ R M S & C O N D I T I O N S Appendix B ! I I . --···-·--·--·-···"·· -,.,.,,. ............ •" ............... , .• ' .,. .......... _ .................. ,.,. __ ...... , ••• , .. _. _ ............. ,-.. 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I i ' i ' ! 10 I rn 3Sl'vd CTOOM SS:3~H:IO.::J LE:~o lt0l/8l/~0 R E G I S T E R E D S I T E M A N A G E R C E R T I F I C A T I O N O F S I G N A T U R E S A s t h e R e g i s t e r e d E n v i r o n m e n t a l C o n s u l t a n t f o r t h e S i t e f o r w h i c h t h i s f i l i n g i s m a d e , I c e r t i f y t h a t t h e s i g n a t u r e s i n c l u d e d h e r e w i t h a r e g e n u i n e a n d a u t h e n t i c o r i g i n a l h a n d w r i t t e n s i g n a t u r e s a n d / o r t r u e , a c c u r a t e , a n d c o m p l e t e c o p i e s o f t h e g e n u i n e a n d a u t h e n t i c o r i g i n a l h a n d w r i t t e n s i g n a t u r e s o f t h e p e r s o n s w h o p u r p o r t t o s i g n f o r t h i s f i l i n g . I f u r t h e r c e r t i f y t h a t I h a v e c o l l e c t e d t h r o u g h r e l i a b l e m e a n s t h e o r i g i n a l s a n d / o r c o p i e s o f s a i d s i g n a t m e s f r o m t h e p e r s o n s a u t h o r i z e d t o s i g n f o r t h i s f i l i n g w h o , i n f a c t , s i g n e d t h e o r i g i n a l s t h e r e o f . T h o s e p e r s o n s a n d I u n d e r s t a n d a n d a g r e e t h a t a n y c o p i e s o f s i g n a t u r e s h a v e t h e s a m e l e g a l l y b i n d i n g e f f e c t a s o r i g i n a l h a n d w r i t t e n s i g n a t u r e s , a n d I c e r t i f y t h a t a n y p e r s o n f o r w h o m I a m s u b m i t t i n g a c o p y o f t h e i r s i g n a t u r e h a s p r o v i d e d m e w i t h t h e i r e x p r e s s c o n s e n t t o s u b m i t s a i d c o p y . A d d i t i o n a l l y , I c e r t i f y t h a t I a m a u t h o r i z e d t o a t t e s t t o t h e g e n u i n e n e s s a n d a 1 1 t h e n t i c i t y o f t h e s i g n a t 1 1 r e s , b o t h o r i g i n a l s a n d a n y c o p i e s , b e i n g s u b m i t t e d h e r e w i t h a n d t h a t b y s i g n i n g b e l o w , I d o i n f a c t a t t e s t t o t h e g e n u i n e n e s s a n d a 1 1 t h e n t i c i t y o f a l l t h e s i g n a t u r e s , b o t h o r i g i n a l s a n d c o p i e s , b e i n g s u b m i t t e d f o r t h i s f i l i n g . P h i l l i p R a h n D a t e R E G I S T E R E D S I T E M A N A G E R D O C U M E N T C E R T I F I C A T I O N S T A T E M E N T ( . 0 3 0 6 ( b ) ( l ) ) " I c e r t i f y u n d e r p e n a l t y o f l a w t h a t I a m p e r s o n a l l y f a m i l i a r w i t h t h e i n f o r m a t i o n c o n t a i n e d i n t h i s s u b m i t t a l , i n c l u d i n g a n y a n d a l l s u p p o r i i n g d o c u m e n t s a c c o m p a n y i n g t h i s c e r t i f i c a t i o n , a n d t h a t t h e m a t e r i a l a n d i n f o r m a t i o n c o n t a i n e d h e r e i n i s , t o t h e b e s t o f m y k n o w l e d g e a n d b e l i e f , t r u e , a c c u r a t e a n d c o m p l e t e a n d c o m p l i e s w i t h t h e I n a c t i v e H a z a r d o u s S i t e s R e s p o n s e A c t N . C . G . S . 1 3 0 A - 3 l 0 , e t s e q , a n d t h e r e m e d i a l a c t i o n p r o g r a m R u l e s I S A N C A C l 3 C . 0 3 0 0 . I a m a w a r e t h a t t h e r e a r e s i g n i f i c a n t p e n a l t i e s f o r w i l l f u l l y s u b m i t t i n g f a l s e , i n a c c u r a t e o r i n c o m p l e t e i n f o r m a t i o n . " P h i l l i p R a h n ~ J O . s - - . / J D a t e N O T A R I Z A T I O N \ \ J [ i j ' ~ \ C t \ _ ( c t 1 \ [ \ . . l \ . ( E n t e r S t a t e ) \ N l \ ~ e _ - ' - - ' \ . ' , - t = . . ' - = " - ' - : c , , , , _ _ _ _ ; c . . c . . . : ; . - > < - . ; ; . - - - - , f - = ' - ' . ; _ - - ' ' a N o t a r y P u b l i c o f s a i d C o u n t y a n d S t a t e , d o h e r e b y c e r t i f y t h a t - - ' - ~ ' - - " - ' - - - ' - + - - ' - - ' " " - " ' : : . . i , . w µ , ~ - - - - d i d p e r s o n a l l y a p p e a r a n d s i g n b e f o r e m e t h i s d a y , p r o d u c e d p r o p e r i d e n t i f i c a t i o n i n t h e f o r m o f ( \ i h \ l t ; · l ( \ \ ~ 8 " ( \ S , { ' , , w a s d u l y s w o r n o r a f f i r m e d , a n d d e c l a r e d t h a t , h e o r s h e i s t h e d u l y a u t h o r i z e d e n v i r o n m e n t a l c o n s u l t a n t o f t h e r e m e d i a t i n g p a r t y o f t h e p r o p e r t y r e f e r e n c e d a b o v e a n d t h a t , t o t h e b e s t o f h i s o r h e r k n o w l e d g e a n d b e l i e f , a f t e r t h o r o u g h i n v e s t i g a t i o n , t h e i n f o r m a t i o n c o n t a i n e d i n t h e a b o v e c e r t i f i c a t i o n s i s t r u e a n d a c c u r a t e , a n d h e o r s h e t h e n s i g n e d t h e s e C e r t i f i c a t i o n s i n m y p r e s e n c e .