The URL can be used to link to this page

Home My WebLink AboutWS-29146_48327_M_ESA_20201125REPORT OF ENVIRONMENTAL SERVICES 4094 BATTLEGROUND AVENUE GREENSBORO,GUILFORD COUNTY,NORTH CAROLINA PREPARED FOR: MR. KYE BUNKER LEOTERRA DEVELOPMENT, INC. 110-A SHIELDS PARK DRIVE KERNERSVILLE, NORTH CAROLINA 27284 PREPARED BY: PILOT GEOLOGICAL, PLLC PO BOX 128 KERNERSVILLE, NORTH CAROLINA 27285 NOVEMBER 25, 2020 PILOT PROJECT G-6270.1 PO Box 128, Kernersville, NC 27285 www.pilotenviro.com November 25, 2020 Mr. Kye Bunker LeoTerra Development, Inc. 110-A Shields Park Drive Kernersville, North Carolina 27284 Reference:Report of Environmental Services Approximate 6.27-Acre Tract 4094 Battleground Avenue Greensboro, Guilford County North Carolina Pilot Proposal G-6270.1 Dear Mr.Bunker: Pilot Geological,PLLC (Pilot)is pleased to submit this Report of Environmental Services for the site located at 4094 Battleground Avenue in Greensboro,Guilford County, North Carolina.Included in this report are descriptions of the field activities, the results obtained,our conclusions and recommendations. We appreciate the opportunity to provide our services to you.If you have any questions regarding our assessment of the subject site or conclusions, please do not hesitate to call us at 336.310.4527. Sincerely, Toby S. Benfield Project Manager Jason T. Ricks,LG Principal Geologist REPORT OF ENVIRONMENTAL SERVICES 4094 BATTLEGROUND AVENUE GREENSBORO,GUILFORD COUNTY, NORTH CAROLINA 1.0 BACKGROUND INFORMATION ....................................................................2 2.0 FIELD ACTIVITIES ........................................................................................2 3.0 RESULTS ....................................................................................................2 3.1 Soil Sample ...............................................................................................2 4.0 CONCLUSIONS AND RECOMMENDATIONS ..................................................3 5.0 QUALIFICATIONS OF REPORT......................................................................3 DRAWINGS Drawing 1 USGS Topographic Map Drawing 2 Site Map Drawing 3 Sample Location Map TABLE Table 1 Summary of Soil Analytical Results APPENDIX Appendix A Laboratory Data Sheets and Chain of Custody Report of Environmental ServicesPilot Project G-6270.1November 25, 2020 1.0 BACKGROUND INFORMATION The site is an approximate 6.27-acre tract located at 4094 Battleground Avenue in Greensboro, Guilford County, North Carolina (Drawings 1 and 2).Pilot Environmental, Inc. previously completed a Phase I Environmental Site Assessment (ESA), dated November 13, 2020 for the site. The Phase I ESA identified the potential for impact for impact to soil and/or groundwater beneath the site from an undocumented release of petroleum from the underground storage tank (UST) located on the central portion of the site as a recognized environmental condition (REC). Based on the findings of the Phase I ESA, Pilot was requested by Mr. Kye Bunker to provide environmental services associated with the identified UST. 2.0 FIELD ACTIVITIES On November 19,2020,one soil boring (S-1,Drawing 3) was advanced in the likely vicinity of the identified UST at the site. The soil boring was advanced to a depth of approximately 7 feet below ground surface (bgs) using a decontaminated hand auger.Soil sample S-1 was submitted for laboratory analysis.An apparent release was detected in boring S-1; therefore, additional borings were not completed.The presence of a UST could not be confirmed due to site conditions and constraints. Pilot personnel wore a new pair of disposable nitrile gloves during the sampling process. Each container was labeled and placed in a cooler containing ice to maintain the sample at approximately 4Celsius. The soil sample was then transported to Pace National, Inc. (Pace) in Kernersville, North Carolina for analysis.The soil sample was analyzed for diesel range total petroleum hydrocarbons (TPH) using EPA Method 8015/3550. A chain of custody was maintained and is included in Appendix A. 3.0 RESULTS 3.1 Soil Sample Laboratory analysis of soil sample S-1 detected diesel range TPH above the laboratory North Carolina Action Level of 100 mg/Kg.A summary table is included as Table 1.The laboratory data sheets are included in Appendix A. Report of Environmental ServicesPilot Project G-6270.1November 25, 2020 4.0 CONCLUSIONS AND RECOMMENDATIONS Based on the results of the laboratory analysis, Pilot concludes the following: One heating oil UST was reported to be located at the site.It is not known if the UST remains or has been removed. One soil boring S-1 was advanced in the likely vicinity of the identified UST at the site.The soil boring was advanced to a depth of approximately 7 feet bgs using a decontaminated hand auger. Soil sample S-1 was submitted for laboratory analysis. An apparent release was detected in boring S-1; therefore, additional borings were not completed. Laboratory analysis of soil sample S-1 detected diesel range TPH above the laboratory North Carolina Action Level of 100 mg/Kg. Based on the laboratory results,Pilot recommends that a copy of this report be submitted to the current property owner/responsible party and that they submit a copy of this report to the North Carolina Department of Environmental Quality (NCDEQ).The UST, if present, should be closed in accordance with the North Carolina Department of Environmental Quality (NCDEQ) regulations.A Notice of Residual Petroleum (NORP) is required to be filed prior to a property transaction occurring,and in an effort to obtain incident closure. Public notice will also be required to obtain incident closure. 5.0 QUALIFICATIONS OF REPORT The activities and evaluative approaches used in this assessment are consistent with those normally employed in assessment projects of this type. Our evaluation of site conditions has been based on our understanding of the project information and the data obtained during our field activities. This report was prepared for the exclusive use of LeoTerra Development, Inc. DRAWINGS Drawing 1 USGS Topographic Map Drawing 2 Site Map Drawing 3 Sample Location Map USGS Topographic Map 4094 Battleground Avenue Approximate 6.27-Acre Tract Greensboro, Guilford County, NC Pilot Project G-6270.1 Drawing 1 USGS Topographic Map Lake Brandt and Summerfield, NC Quadrangles Scale: 1” = 2,000’ LEGEND Site Boundary Site Map 4094 Battleground Avenue Approximate 6.27-Acre Tract Greensboro, Guilford County, NC Pilot Project G-6270.1 Drawing 2 Google Earth Satellite Imagery Scale: 1” = 175’ LEGEND Site Boundary U.Approximate Location of UST U Sample Location Map 4094 Battleground Avenue Approximate 6.27-Acre Tract Greensboro, Guilford County, NC Pilot Project G-6270.1 Drawing 3 Google Earth Satellite Imagery Scale: 1” = 30’ S-1 LEGEND Approximate Sample Location TABLE Table 1 Summary of Soil Analytical Results 3550 Sample ID Approximate Sample Depth (ft. bgs) Sample Collection Date DROS-1 7 11/19/2020 2,040 10 100 = Soil Sample Above the North Carolina Action Level mg/Kg = Millagrams per Kilogram (analogous to parts per million) BGS = Below Ground Surface NA = Not Analyzed Comparison Criteria NC Reportable Concentration (mg/Kg) NC Action Level (mg/Kg) Table 1 - Summary of Soil Analytical Results Analytical Method Battleground Avenue Greensboro, North Carolina APPENDIX A Laboratory Data Sheets and Chain of Custody #=CL# November 24, 2020 LIMS USE: FR - JASON RICKS LIMS OBJECT ID: 92507202 92507202 Project: Pace Project No.: RE: Jason Ricks Pilot Geological P.O. Box 128 Kernersville, NC 27285 Pilot G-6270.1 Dear Jason Ricks: Enclosed are the analytical results for sample(s) received by the laboratory on November 19, 2020. The results relate only to the samples included in this report. Results reported herein conform to the applicable TNI/NELAC Standards and the laboratory's Quality Manual, where applicable, unless otherwise noted in the body of the report. The test results provided in this final report were generated by each of the following laboratories within the Pace Network: • Pace Analytical Services - Charlotte If you have any questions concerning this report, please feel free to contact me. Sincerely, Stephanie Knott stephanie.knott@pacelabs.com Project Manager 336-996-2841 Enclosures REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC. Pace Analytical Services, LLC 106 Short St. Kernersville, NC 27284 336-996-2841 Page 1 of 10 #=CP# CERTIFICATIONS Pace Project No.: Project: 92507202 Pilot G-6270.1 Pace Analytical Services Charlotte 9800 Kincey Ave. Ste 100, Huntersville, NC 28078 Louisiana/NELAP Certification # LA170028 North Carolina Drinking Water Certification #: 37706 North Carolina Field Services Certification #: 5342 North Carolina Wastewater Certification #: 12 South Carolina Certification #: 99006001 Florida/NELAP Certification #: E87627 Kentucky UST Certification #: 84 Virginia/VELAP Certification #: 460221 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC. Pace Analytical Services, LLC 106 Short St. Kernersville, NC 27284 336-996-2841 Page 2 of 10 #=SS# SAMPLE SUMMARY Pace Project No.: Project: 92507202 Pilot G-6270.1 Lab ID Sample ID Matrix Date Collected Date Received 92507202001 G-6270.1 Solid 11/19/20 13:50 11/19/20 14:39 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC. Pace Analytical Services, LLC 106 Short St. Kernersville, NC 27284 336-996-2841 Page 3 of 10 #=SA# SAMPLE ANALYTE COUNT Pace Project No.: Project: 92507202 Pilot G-6270.1 Lab ID Sample ID Method Analytes Reported LaboratoryAnalysts 92507202001 G-6270.1 EPA 8015C Modified 2 PASI-CJMS1 ASTM D2974-87 1 PASI-CKDF PASI-C = Pace Analytical Services - Charlotte REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC. Pace Analytical Services, LLC 106 Short St. Kernersville, NC 27284 336-996-2841 Page 4 of 10 #=AR# ANALYTICAL RESULTS Pace Project No.: Project: 92507202 Pilot G-6270.1 Sample:G-6270.1 Lab ID:92507202001 Collected:11/19/20 13:50 Received:11/19/20 14:39 Matrix:Solid Results reported on a "dry weight" basis and are adjusted for percent moisture, sample size and any dilutions. Parameters Results Units DF Prepared Analyzed CAS No.QualReport Limit Analytical Method: EPA 8015C Modified Preparation Method: EPA 3546 Pace Analytical Services - Charlotte 8015 GCS THC-Diesel Diesel Range Organics(C10-C28)2040 mg/kg 11/24/20 10:5911/23/20 16:3967.7 10 Surrogates n-Pentacosane (S)0 %11/24/20 10:59 629-99-2 S411/23/20 16:3932-130 10 Analytical Method: ASTM D2974-87 Pace Analytical Services - Charlotte Percent Moisture Percent Moisture 25.9 %11/20/20 16:100.10 1 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 11/24/2020 03:47 PM Pace Analytical Services, LLC 106 Short St. Kernersville, NC 27284 336-996-2841 Page 5 of 10 #=QC# QUALITY CONTROL DATA Pace Project No.: Project: 92507202 Pilot G-6270.1 Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result. QC Batch: QC Batch Method: Analysis Method: Analysis Description: 582363 EPA 3546 EPA 8015C Modified 8015 Solid GCSV Laboratory:Pace Analytical Services - Charlotte Associated Lab Samples:92507202001 Parameter Units Blank Result Reporting Limit Qualifiers METHOD BLANK:3079797 Associated Lab Samples:92507202001 Matrix:Solid Analyzed Diesel Range Organics(C10-C28)mg/kg ND 4.9 11/23/20 17:34 n-Pentacosane (S)%72 32-130 11/23/20 17:34 Parameter Units LCS Result % Rec Limits Qualifiers% RecConc. 3079798LABORATORY CONTROL SAMPLE: LCSSpike Diesel Range Organics(C10-C28)mg/kg 58.466.9 87 47-130 n-Pentacosane (S)%91 32-130 Parameter Units MS Result % Rec Limits Qualifiers% RecConc. 3079799MATRIX SPIKE SAMPLE: MSSpike Result 92507358001 Diesel Range Organics(C10-C28)mg/kg 66.282.4 80 10-133ND n-Pentacosane (S)%81 32-130 Parameter Units Dup Result Max RPD QualifiersRPDResult 92507014001 3079800SAMPLE DUPLICATE: Diesel Range Organics(C10-C28)mg/kg 8.0 D6313011.0 n-Pentacosane (S)%7588 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 11/24/2020 03:47 PM Pace Analytical Services, LLC 106 Short St. Kernersville, NC 27284 336-996-2841 Page 6 of 10 #=QC# QUALITY CONTROL DATA Pace Project No.: Project: 92507202 Pilot G-6270.1 Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result. QC Batch: QC Batch Method: Analysis Method: Analysis Description: 582010 ASTM D2974-87 ASTM D2974-87 Dry Weight/Percent Moisture Laboratory:Pace Analytical Services - Charlotte Associated Lab Samples:92507202001 Parameter Units Dup Result Max RPD QualifiersRPDResult 92507018001 3078336SAMPLE DUPLICATE: Percent Moisture %13.2 3 2512.8 Parameter Units Dup Result Max RPD QualifiersRPDResult 92507378001 3078337SAMPLE DUPLICATE: Percent Moisture %71.7 0 2571.9 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 11/24/2020 03:47 PM Pace Analytical Services, LLC 106 Short St. Kernersville, NC 27284 336-996-2841 Page 7 of 10 #=QL# QUALIFIERS Pace Project No.: Project: 92507202 Pilot G-6270.1 DEFINITIONS DF - Dilution Factor, if reported, represents the factor applied to the reported data due to dilution of the sample aliquot. ND - Not Detected at or above adjusted reporting limit. TNTC - Too Numerous To Count J - Estimated concentration above the adjusted method detection limit and below the adjusted reporting limit. MDL - Adjusted Method Detection Limit. PQL - Practical Quantitation Limit. RL - Reporting Limit - The lowest concentration value that meets project requirements for quantitative data with known precision and bias for a specific analyte in a specific matrix. S - Surrogate 1,2-Diphenylhydrazine decomposes to and cannot be separated from Azobenzene using Method 8270. The result for each analyte is a combined concentration. Consistent with EPA guidelines, unrounded data are displayed and have been used to calculate % recovery and RPD values. LCS(D) - Laboratory Control Sample (Duplicate) MS(D) - Matrix Spike (Duplicate) DUP - Sample Duplicate RPD - Relative Percent Difference NC - Not Calculable. SG - Silica Gel - Clean-Up U - Indicates the compound was analyzed for, but not detected. Acid preservation may not be appropriate for 2 Chloroethylvinyl ether. A separate vial preserved to a pH of 4-5 is recommended in SW846 Chapter 4 for the analysis of Acrolein and Acrylonitrile by EPA Method 8260. N-Nitrosodiphenylamine decomposes and cannot be separated from Diphenylamine using Method 8270. The result reported for each analyte is a combined concentration. Pace Analytical is TNI accredited. Contact your Pace PM for the current list of accredited analytes. TNI - The NELAC Institute. ANALYTE QUALIFIERS The precision between the sample and sample duplicate exceeded laboratory control limits.D6 Surrogate recovery not evaluated against control limits due to sample dilution.S4 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 11/24/2020 03:47 PM Pace Analytical Services, LLC 106 Short St. Kernersville, NC 27284 336-996-2841 Page 8 of 10 #=CR# QUALITY CONTROL DATA CROSS REFERENCE TABLE Pace Project No.: Project: 92507202 Pilot G-6270.1 Lab ID Sample ID QC Batch Method QC Batch Analytical Method Analytical Batch 92507202001 582363 582471G-6270.1 EPA 3546 EPA 8015C Modified 92507202001 582010G-6270.1 ASTM D2974-87 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, without the written consent of Pace Analytical Services, LLC.Date: 11/24/2020 03:47 PM Pace Analytical Services, LLC 106 Short St. Kernersville, NC 27284 336-996-2841 Page 9 of 10 Page 10 of 10