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Home My WebLink AboutWA-749_38592_CA_MRP_20181214December 14, 2018 Mr. Scott Ryals NCDEQ, Division of Waste Management, UST Section 1646 Mail Service Center Raleigh, North Carolina 27699-1646 Reference: Free Product Recovery Report – Former Bazemore Grocery 730/732 Mt. Olive Road Republican, Bertie County, North Carolina NCDEQ Incident: 38592 NCDEQ Contract: N17006 ECS Project: 49:3455-B Dear Mr. Ryals: As authorized by your acceptance of ECS Southeast, LLP (ECS) Change Order to Task Authorization Request No. 2 (TAR #2) dated September 21, 2018 and authorization on October 26, 2018, ECS has completed the Free Product Recovery Report for the above-referenced site. Included in this report is a description of the field activities, the results obtained, and our conclusions and recommendations. ECS appreciates the opportunity to provide our environmental consulting services to you on this project. If you have any questions concerning this report or this project, please contact us. Sincerely, ECS Southeast, LLP Samantha M. Szakasits, G.I.T. Matthew Gillis Assistant Staff Project Manager Sr. Environmental Project Manager sszakasits@ecslimited.com mgillis@ecslimited.com 919-861-9832 919-861-9845 Matthew H. McDuffie Principal Geologist NC License No. 2075 mmcduffie@ecslimited.com 704-378-9003 Free Product Recovery Report – Former Bazemore Grocery Republican, Bertie County, North Carolina NCDEQ Incident: 38592 NCDEQ Contract: 17006 ECS Project Number: 49:3455-B TABLE OF CONTENTS SITE INFORMATION ...................................................................................................... 2 1.0 BACKGROUND INFORMATION .............................................................................. 2 2.0 FIELD ACTIVITIES ................................................................................................... 2 3.0 LABORATORY ANALYTICAL RESULTS ................................................................ 3 4.0 CONCLUSIONS ........................................................................................................ 4 5.0 RECOMMENDATIONS ............................................................................................. 4 FIGURES Figure 1 Site Location Map Figure 2 Aerial Site Map Figure 3 Monitoring Well Location Map Figure 4 Groundwater Concentration Map TABLES Table 1 UST Information Table 2 Aggressive Fluid Vapor Recovery Measurements Table 3 Aggressive Fluid Vapor Recovery Calculations Table 4 Summary of Current Groundwater Analytical Results APPENDICES Appendix A ECS Field Notes & Groundwater Monitoring Well Sampling Data sheet Appendix B Site Photographs Appendix C Laboratory Analytical Data Sheets and Chain of Custody (COC) Records Appendix D Waste Manifest Free Product Recovery Report – Former Bazemore Grocery Republican, Bertie County, North Carolina NCDEQ Incident: 38592 NCDEQ Contract: 17006 ECS Project Number: 49:3455-B SITE INFORMATION Facility I.D.: Unknown UST Incident No.: TF-3892 Site Rank: Unknown Land Use Category: Commercial Site Name and Location: Former Bazemore Grocery 730/732 Mt. Olive Road Republican, Bertie County, North Carolina Location Method: Google Earth Latitude and Longitude: 36.082583° North, -77.060094° West Contacts Primary Contact: Mr. Scott Ryals NCDEQ, Division of Waste Management, UST Section 637 Mail Service Center Raleigh, North Carolina 27699-1637 Consultant: ECS Southeast, LLP 9001 Glenwood Avenue Raleigh, North Carolina 27617 (919) 861-9910 Attn: Matthew Gillis Removal: Zebra Environmental and Industrial Services, LLC. 901 East Springfield Road High Point, North Carolina 27263 (336) 841-5276 Laboratory: Con-Test Analytical Laboratory 39 Spruce Street East Long Meadow, MA 01028 (413) 525-2332 NC Certification No. 12 Free Product Recovery & Initial Monitoring Report – Former Bazemore Grocery Republican, Bertie County, North Carolina NCDEQ Incident: 38592 NCDEQ Contract: 17006 ECS Project Number: 49:3455-B 2 1.0 BACKGROUND INFORMATION The Former Bazemore Grocery site is approximately 1.1 acres in size and is located at 730/732 Mt. Olive Road, in Republican, Bertie County, North Carolina (Figure 1). According to the Bertie County Online GIS Database, the Parcel Identification Number (PIN) is 5875342404 (Figure 2). The property is currently developed with an abandoned residential building. The site previously operated two 2,000-gallon USTs, one 1,500-gallon UST, and one septic tank. 2.0 FIELD ACTIVITIES AFVR Activities On November 8, 2018, ECS contracted with Zebra Environmental & Industrial Services (Zebra) to conduct an AFVR event at the site using monitoring well MW-20 as an extraction point. Prior to the event, ECS measured free product in monitoring well MW-20 measuring 4.68 feet using a Solinist oil-surface interface probe. Zebra connected the AFVR recovery pump and vacuum truck to monitoring well MW-20, and ran from 8:45 AM through 4:45 PM (8 hours). A total of approximately 2,541 gallons of liquid was removed from the monitoring well. ECS personnel field notes for the AFVR event are included in Appendix A. Site photographs are included in Appendix B. Groundwater Sampling & Remedial Activities On November 8, 2018, ECS collected a field blank and a groundwater sample from monitoring well MW-20 (Figure 3). Purging and sampling of monitoring wells were accomplished using a disposable bailer. The Groundwater Monitoring Well Sampling Data sheets provided in Appendix A. Prior to beginning groundwater sampling activities; ECS collected the field blank at the site by pouring laboratory grade deionized water over the water level meter probe and into the appropriate laboratory prepared sample containers. After purging the well, the groundwater samples were transferred into sample containers provided by the laboratory. The sample containers were labeled with ECS project number, sample identification, sample date and time, and requested analytical analysis. The containers were placed into protective packaging material and placed into a cooler with ice to maintain the samples at approximately 4˚ Celsius (C˚). The samples were submitted to Con-Test located in Massachusetts for chemical analysis for VOCs using Standard Method 6200B. ECS maintained proper chain-of-custody (COC) procedures throughout the sample collection and transportation process. Copies of the COC are included in Appendix C. Free Product Recovery & Initial Monitoring Report – Former Bazemore Grocery Republican, Bertie County, North Carolina NCDEQ Incident: 38592 NCDEQ Contract: 17006 ECS Project Number: 49:3455-B 3 3.0 LABORATORY ANALYTICAL RESULTS Free-Product Characterization Type(s) of material released Gasoline Summary of Free Product Recovery During the AFVR event on November 8, 2018, ECS recorded field measurements from the AFVR exhaust to calculate the free product as emissions. ECS collected a measurement of the exhaust stack diameter and measurements of exhaust velocity, temperature and VOC concentrations. We used these measurements to calculate a mass-removal rate in pounds per hour. ECS then converted the mass-removal rate to gallons of free product at a ratio of 0.012 pounds per gallon of free product, in accordance with the Guidelines. This calculation is based on the molecular weight of gasoline and the weight of carbon in a gasoline molecule. The field measurements and calculations are summarized in Tables 2 and 3. Estimated Quantity of Free Product (Liquid) Recovered The AFVR event recovered 2,541 total gallons of petroleum impacted groundwater. Estimated Quantity of Free Product Emissions A total of 0.012 pounds (0.002 gallons) of free product were emitted as vapor during the AFVR event. Emissions calculations are summarized in Tables 2 and 3. Permitting Petroleum emissions associated with AFVR are not required to have air permits in North Carolina. Therefore, no permits were issued. Disposition of Recovered Free Product Recovered groundwater was disposed of by Zebra Environmental & Industrial Services at their waste disposal facility in Salisbury, North Carolina. The waste disposal manifest is included in Appendix D. Groundwater Sampling Laboratory Analytical Results Laboratory analysis reported benzene, n-butylbenzene, ethylbenzene, isopropylbenzene, naphthalene, n-propylbenzene, toluene, 1,2,4-trimethylbenzene, 1,3,5-trimethylbenzene, and total xylenes at concentrations above their respective NC2LGWQS but below their respective GCLs in the groundwater sample collected from monitoring well MW-20. Acetone was detected in the field blank sample submitted for laboratory analysis. ECS considers this detection to be associated with possible laboratory contamination and unrepresentative of the site conditions or sampling procedures. A summary of the current laboratory analytical results is included in Table 3 and shown on Figure 4. A copy of the COC and laboratory results is included in Appendix C. Free Product Recovery & Initial Monitoring Report – Former Bazemore Grocery Republican, Bertie County, North Carolina NCDEQ Incident: 38592 NCDEQ Contract: 17006 ECS Project Number: 49:3455-B 4 4.0 CONCLUSIONS Based on the results of this Free Product Recovery Report, ECS concludes the following:  Prior to the AFVR event, ECS measured 4.68 feet of free product in monitoring well MW-20.  Subsequent to the AVFR event, ECS did measure any free product in monitoring well MW- 20.  The AFVR event had significantly decreased the amount of free product measured in monitoring well MW-20.  Laboratory analysis did detect any targeted analytes at concentrations above their respective GCLs in the groundwater sample collected from monitoring well MW-20. 5.0 RECOMMENDATIONS Based on the results of this Free Product Recovery Report, ECS recommends the following:  Gauging of monitor well MW-20 three to four weeks after the AFVR event to determine if free product has been removed.  Collection of a groundwater sample from monitor well MW-20 three to four weeks after the AFVR event to evaluate dissolved petroleum contaminant concentrations. FIGURES SOURCE: USGS TOPOGRAPHIC MAP REPUBLICAN, NC QUADRANGLE DATED 2016 SCALE: 1 : 24,000 FIGURE 1 SITE LOCATION MAP FORMER BAZEMORE GROCERY 730/732 MT OLIVE ROAD REPUBLICAN, BERTIE COUNTY, NORTH CAROLINA ECS PROJECT: 49:3455-B SITE SOURCE: BERTIE COUNTY GIS DATED 2016 FIGURE 2 AERIAL SITE MAP FORMER BAZEMORE GROCERY 730/732 MT OLIVE ROAD REPUBLICAN, BERTIE COUNTY, NORTH CAROLINA ECS PROJECT: 49:3455-B 1 inch = 45 feet SITE LEGEND Approximate Site Boundary SOURCE: GOOGLE EARTH DATED 2017 FIGURE 3 MONITORING WELL LOCATION MAP FORMER BAZEMORE GROCERY 730/732 MT OLIVE ROAD REPUBLICAN, BERTIE COUNTY, NORTH CAROLINA ECS PROJECT: 49:3455-B 1 inch = 30 feet LEGEND Approximate Site Boundary Approximate Monitoring Well Location Approximate UST Location Approximate Septic Tank Location MW-20 MW-20 SOURCE: GOOGLE EARTH DATED 2017 FIGURE 4 GROUNDWATER CONCENTRATION MAP FORMER BAZEMORE GROCERY 730/732 MT OLIVE ROAD REPUBLICAN, BERTIE COUNTY, NORTH CAROLINA ECS PROJECT: 49:3455-B 1 inch = 30 feet LEGEND Approximate Site Boundary Approximate Monitoring Well Location concentration above NC2LGWQS (ug/L) Approximate UST Location Approximate Septic Tank Location MW-20 Benzene 750 n-Butylbenzene 96 sec-Butylbenzene 32 Ethylbenzene 1,800 Isopropylbenzene 120 p-Isopropyltoluene 18 J Naphthalene 560 n-Proproylbenzene 460 Styrene 32 Toluene 6,100 1,2,4-Trimethylbenzene 3,200 MW-20 750 TABLES UST ID Number Contents Capacity (in Gallons) Construction Details Installation Date Removal Date Status 1 Gasoline 2,000 Unknown ~1966 10/23/1992 Removed 2 Gasoline 550 Unknown ~1966 10/23/1992 Removed 3 Kerosine 550 Unknown ~1976 10/23/1992 Removed 1A Heating Oil 550 Unknown ~1970 11/16/1993 Removed 2A Heating Oil 550 Unknown ~1970 11/16/1993 Removed 1B Gasoline 2,000 Unknown Unknown 8/14/2017 Removed 2B Gasoline 2,000 Unknown Unknown 8/14/2017 Removed 3B Gasoline 1,500 Unknown Unknown 8/17/2017 Removed ECS Project: 49:3455-B Table 1 UST Information Former Bazemore Grocery 730/732 Mt. Olive Road Republican, Bertie County, North Carolina NCDEQ Incident No: TF-38592 IDENTIFY THE WELL AND THE I.D. OF EACH WELL USED FOR AFVR: PROVIDE BLOWER SPECIFICATIONS OF THE VACUUM TRUCK (cfm @ in Hg):See Attached START OF TEST: 11/8/2018 8:45 AM DRY STANDARD CUBIC FEET PER MINUTE (DSCFM) AIR FLOW CALCULATIONS Date Elapsed Time Vacuum Velocity Pipe ID Temp Rel Humid Water Qstd (in Hg) (ft/min) (in) (°F) (%) Vapor (%)(ft3/min) 11/15/2017 0:15 -25 649.6 2 197 <0.1% <0.1%10 11/15/2017 0:30 -27 255.9 2 198 <0.1% <0.1%4 11/15/2017 0:45 -28 452.8 2 260 <0.1% <0.1%7 11/15/2017 1:00 -28 255.9 2 270 <0.1% <0.1%4 11/15/2017 1:15 -29 236.2 2 280 <0.1% <0.1%3 11/15/2017 1:30 -29 629.9 2 275 <0.1% <0.1%9 11/15/2017 1:45 -29 492.1 2 275 <0.1% <0.1%7 11/15/2017 2:00 -30 314.9 2 280 <0.1% <0.1%4 11/15/2017 2:30 -30 314.9 2 270 <0.1% <0.1%4 11/15/2017 3:00 -30 314.9 2 270 <0.1% <0.1%4 11/15/2017 3:30 -30 433.1 2 275 <0.1% <0.1%6 11/15/2017 4:00 -30 570.9 2 270 <0.1% <0.1%8 11/15/2017 4:30 -30 314.9 2 270 <0.1% <0.1%4 11/15/2017 5:00 -30 334.6 2 270 <0.1% <0.1%5 11/15/2017 5:30 -30 255.9 2 270 <0.1% <0.1%4 11/15/2017 6:00 -30 452.8 2 270 <0.1% <0.1%6 11/15/2017 6:30 -30 579.9 2 270 <0.1% <0.1%8 11/15/2017 7:00 -30 295.3 2 270 <0.1% <0.1%4 11/15/2017 7:30 -30 172.2 2 265 <0.1% <0.1%2 11/15/2017 8:00 -30 295.3 2 265 <0.1%<0.1%4 NOTES Qstd = Flow at DSCFM Vacuum = The level of vacuum being applied should be recorded from the vacuum truck tank (inches of Hg) Velocity = The rate at which air flows is measured at the blower discharge piping (anemometer or pitot tube) Pipe ID = The inside diameter of the blower discharge piping (from the vacuum truck) Temperature = The temperature of the air stream exiting the blower discharge piping (dry bulb temp., in deg.°F) Relative humidity = The % relative humidity of the air stream exiting the blower discharge piping Water Vapor in % = Pounds of water per pound of dry air, derived from the Psychrometric chart EQUATION Qstd (ft3/min) = (1-Water Vapor) * velocity (ft/min) * (PI * (diameter(in)/24)^2) * (528R°/(Temp + 460°)) NCDEQ Incident No: TF-38592 ECS Project No: 49:3455-B MW-20 Table 2 Aggressive Fluid Vapor Recovery Measurements Aggressive Fluid Vapor Recovery - November 8, 2018 Former Bazemore Grocery 730/732 Mount Olive Road Republican, Bertie County, North Carolina IDENTIFY THE WELL AND THE I.D. OF EACH WELL USED FOR AFVR: PROVIDE BLOWER SPECIFICATIONS OF THE VACUUM TRUCK (cfm @ in Hg):See Attached START OF TEST: 11/8/2018 8:45 AM EMISSION CALCULATIONS - Elapsed Interval Time PPM measured K PPMc Cg:m Cc PMRc PMRg PMR (min)(ppm)(#C - gas)(mg/dsm^3)(lb/dscf)(lb/hr)(lb/hr)(lb) 15 1.4 1 1.40 12 726.2E-9 0.00 0.01 0.00 30 0.1 1 0.10 1 51.9E-9 0.00 0.00 0.00 45 0.0 1 0.00 0 000.0E+0 0.00 0.00 0.00 60 0.1 1 0.10 1 51.9E-9 0.00 0.00 0.00 75 0.1 1 0.10 1 51.9E-9 0.00 0.00 0.00 90 0.1 1 0.10 1 51.9E-9 0.00 0.00 0.00 135 0.2 1 0.20 2 103.7E-9 0.00 0.00 0.00 150 0.1 1 0.10 1 51.9E-9 0.00 0.00 0.00 165 0.1 1 0.10 1 51.9E-9 0.00 0.00 0.00 180 0.1 1 0.10 1 51.9E-9 0.00 0.00 0.00 210 0.1 1 0.10 1 51.9E-9 0.00 0.00 0.00 240 0.1 1 0.10 1 51.9E-9 0.00 0.00 0.00 270 0.1 1 0.10 1 51.9E-9 0.00 0.00 0.00 300 0.1 1 0.10 1 51.9E-9 0.00 0.00 0.00 330 0.1 1 0.10 1 51.9E-9 0.00 0.00 0.00 360 0.0 1 0.00 0 000.0E+0 0.00 0.00 0.00 390 0.0 1 0.00 0 000.0E+0 0.00 0.00 0.00 420 0.0 1 0.00 0 000.0E+0 0.00 0.00 0.00 450 0.2 1 0.20 2 103.7E-9 0.00 0.00 0.00 480 0.4 1 0.40 3 207.5E-9 0.00 0.01 0.01 Total emissions in pounds 0.012 Total emissions in gallons 0.002 NOTES Blank fields in the PPM measured column were not recorded due to TVA equipment malfunction PPM measured = Actual measurements (ppm) taken with a OVA or TVA at the blower discharge piping K = Number of carbons in calibration gas: (Methane K = 1, or Propane K = 3, or Hexane K = 6) PPMc = PPMv, Volumetric concentration as gasoline emission, dry basis at STP Cc:m = mg/dsm3, mass concentration of gasoline emission Mg = 200 mg/mg-mole, molecular weight of gasoline (this value may vary depending on contaminant) * Mc = 12.01mg/mg-mole, molecular weight of carbon K3 = 24.07 dsm^3/1E6 mg-mole, mass to volume conversion factor at STP Cc = lb/dcsf, mass concentration of VOC emissions as carbon, dry basis at STP PMRc = lb/hr, pollutant mass removal rate as carbon PMRg = pollutant mass removal of gasoline PMR = pollutant mass removal of gasoline for the elapsed time interval Mcg = 85.5 mg/mg-mole, weight of carbon in gasoline molecule EQUATIONS PPMc = PPM measured * K PMRc = Cc * Qstd * 60 min/hr Cg:m = PPMc * (Mg / K3)PMRg=PMRc(Mg/Mcg) Cc = Cg:m * 62.43E-09 lb-m^3/mg-ft^3 PMR = PMRg * ((T2 - T1) / 60) Note: Equations obtained from Appendix A, Section 2.1 (A) of Groundwater Section Guidelines for the Investigation and Remediation of Soil and Groundwater, Volume II, Petroleum Underground Storage Tanks, January 2, 1998. NCDEQ Incident No: TF-38592 ECS Project No: 49:3455-B MW-20 Table 3 Aggressive Fluid Vapor Recovery Calculations Aggressive Fluid Vapor Recovery - November 8, 2018 Former Bazemore Grocery 730/732 Mount Olive Road Republican, Bertie County, North Carolina Sample ID Sample Date MW-20 11/8/2018 BRL 750 96 32 1,800 120 18 J 560 460 32 6,100 3,200 880 8,600 Field Blank 11/8/2018 15 J BRL BRL BRL BRL BRL BRL BRL BRL BRL BRL BRL BRL BRL 6,000 1 70 70 600 70 25 6 70 70 600 400 400 500 6,000,000 5,000 6,900 8,500 84,500 25,000 11,700 6,000 30,000 70,000 260,000 28,500 25,000 85,500 Notes: NC2LGWQS = North Carolina 2L Groundwater Quality Standard as of April 1, 2013 GCL = NCDEQ's Gross Contamination Levels for Groundwater as of April 16, 2012 (µg/L) = Micrograms per Liter BRL = Below Reporting Limit J = Detected but below the Reporting Limit (lowest calibration standard); therefore, result is an estimated concentration.StyreneTable 4 Summary of Current Groundwater Analytical Results Former Bazemore Grocery 730/732 Mount Olive Road Republican, Bertie County, North Carolina NCDEQ Incident No: TF-38592 sec-Butylbenzenep-Isopropyltoluenen-Propylbenzene1,3,5-TrimethylbenzeneAcetoneStandard Method 6200B ECS Project No: 49:3455-B Total XylenesToluene1,2,4-TrimethylbenzeneAnalytical Method Contaminant of Concern (µg/L)Benzenen-ButylbenzeneNC2LGWQS (µg/L) GCL (µg/L)NaphthaleneIsopropylbenzeneBold = Detected above the NC2LGWQS Ethylbenzene APPENDIX A APPENDIX B SITE PHOTOGRAPHS FORMER BAZEMORE GROCERY 730/732 MOUNT OLIVE ROAD REPUBLICAN, BERTIE COUNTY, NORTH CAROLINA NCDEQ INCIDENT: TF-38592 ECS PROJECT NO: 49:3455-B Photograph 1: View of the site. View is to the southeast. Photograph 4: View of the AVFR event on monitoring well MW-20 View is to the north. SITE PHOTOGRAPHS FORMER BAZEMORE GROCERY 730/732 MOUNT OLIVE ROAD REPUBLICAN, BERTIE COUNTY, NORTH CAROLINA NCDEQ INCIDENT: TF-38592 ECS PROJECT NO: 49:3455-B Photograph 5: View of monitoring well MW-20. View is to the east. Photograph 6: View of the truck’s water meter after the AFVR event. APPENDIX C 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 Page 19 of 19 APPENDIX D