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HomeMy WebLinkAboutAS-931_10396_CA_LTTRRPT_20230905_MWAbandon WithersRavenel   Our People. Your Success.  115 MacKenan Drive | Cary, NC 27511  t: 919.469.3340 | f: 919.467.6008 | www.withersravenel.com | License No. F‐1479  Asheville | Cary | Charlotte | Greensboro | Lumberton | Pittsboro | Raleigh | Southern Pines | Wilmington   September 5, 2023    State of North Carolina  Department of Environment and Natural Resources  Federal & State Lead Program  Division of Waste Management‐Underground Storage Tank Section  1646 Mail Service Center  Raleigh, North Carolina 27699‐1646    Attn: Mr. Scott Ryals, P.E.    Reference:   Letter Report – Well Abandonment    Biltmore Forest Country Club  31 Stuyvesant Road  Asheville, Buncombe County, North Carolina  Groundwater Incident Number: 10396  NCDEQ Contract # N70522‐C  WR Project Number:  23‐0307‐FN    Mr. Ryals,  WithersRavenel, Inc. (WR) has prepared this Letter Report documenting the completion of monitoring  well abandonment activities at the Biltmore Forest Country Club site located at 31 Stuyvesant Road,  Biltmore Forest, Buncombe County, North Carolina.  Activities outlined herein were completed under  NCDEQ Contract # N70522‐C, Task Authorization (TA) 02 for the site, issued by NCDEQ on August  11, 2023.    WR mobilized to the site on September 5, 2023, to complete the abandonment of monitoring well  MW‐3A. The activities completed in association with this TA are discussed in the following  paragraphs.    Well Abandonment – MW‐3A    Prior to the abandonment of monitoring well MW‐3A as described below; the well was gauged for  Light Non‐Aqueous Phase Liquid (LNAPL) and depth to water using a decontaminated electronic  oil/water interface meter.  No LNAPL/free product was measured within the well.  The  groundwater level in the monitoring well measured on September 1, 2023 is shown below:    Well ID Depth to Groundwater (ft) Total Well Depth (ft)  MW‐3A 7.45 16.20        WithersRavenel Our People. Your Success.  Biltmore Forest Country Club‐ Incident No: 10396   Letter Report‐ Well Abandonment  WR Project # 23‐0307‐FN September 2023               Following gauging, monitoring well MW‐3A was abandoned through the emplacement of 3/8‐in  dia. bentonite pellets to within 1‐ft of the wells’ top of casing (TOC).  The remainder of the well was  filled with neat cement grout extending out of the TOC filling the well manhole.  The well  abandonment record (NCDEQ GW‐30) is included as Attachment A, while field notes and site  photos for completion of the activities are provided as Attachment B.    WithersRavenel appreciates the opportunity to be of service to the Federal & State Lead Program.  Should you have any questions regarding the attached, please do not hesitate to contact us at (919)  469‐3340.    Sincerely,  WithersRavenel   Kevin B. Buchanan G. Matthew James, P.G.  Project Manager Director of Geosciences     Enclosure(s):   NCDEQ GW‐30 (Abandonment Record)  Field Notes/Site Photos                              NCDEQ GW‐30  WELL ABANDONMENT RECORD       WELL ABANDONMENT RECORD Form GW-30 North Carolina Department of Environmental Quality - Division of Water Resources Revised 2-22-2016 1. Well Contractor Information: Well Contractor Name (or well owner personally abandoning well on his/her property) NC Well Contractor Certification Number Company Name 2. Well Construction Permit #: List all applicable well construction permits (i.e. UIC, County, State, Variance, etc.) if known 3. Well use (check well use): Water Supply Well: □Agricultural □Municipal/Public □Geothermal (Heating/Cooling Supply)□Residential Water Supply (single) □Industrial/Commercial □Residential Water Supply (shared) □Irrigation Non-Water Supply Well: □Monitoring □Recovery Injection Well: □Aquifer Recharge □Groundwater Remediation □Aquifer Storage and Recovery □Salinity Barrier □Aquifer Test □Stormwater Drainage □Experimental Technology □Subsidence Control □Geothermal (Closed Loop)□Tracer □Geothermal (Heating/Cooling Return) □Other (explain under 7g) 4. Date well(s) abandoned: 5a. Well location: Facility/Owner Name Facility ID# (if applicable) Physical Address, City, and Zip County Parcel Identification No. (PIN) 5b. Latitude and longitude in degrees/minutes/seconds or decimal degrees: (if well field, one lat/long is sufficient) N W CONSTRUCTION DETAILS OF WELL(S) BEING ABANDONED Attach well construction record(s) if available. For multiple injection or non-water supply wells ONLY with the same construction/abandonment, you can submit one form. 6a. Well ID#: 6b. Total well depth: (ft.) 6c. Borehole diameter: (in.) 6d. Water level below ground surface: (ft.) 6e. Outer casing length (if known): (ft.) 6f. Inner casing/tubing length (if known): (ft.) 6g. Screen length (if known): (ft.) WELL ABANDONMENT DETAILS 7a. For Geoprobe/DPT or Closed-Loop Geothermal Wells having the same well construction/depth, only 1 GW-30 is needed. Indicate TOTAL NUMBER of wells abandoned: 7b. Approximate volume of water remaining in well(s): (gal.) FOR WATER SUPPLY WELLS ONLY: 7c. Type of disinfectant used: 7d. Amount of disinfectant used: 7e. Sealing materials used (check all that apply): □Neat Cement Grout □Bentonite Chips or Pellets □Sand Cement Grout □Dry Clay □Concrete Grout □Drill Cuttings □Specialty Grout □Gravel □Bentonite Slurry □Other (explain under 7g) 7f. For each material selected above, provide amount of materials used: 7g. Provide a brief description of the abandonment procedure: 8. Certification: Signature of Certified Well Contractor or Well Owner Date By signing this form, I hereby certify that the well(s) was (were) abandoned in accordance with 15A NCAC 02C .0100 or 2C .0200 Well Construction Standards and that a copy of this record has been provided to the well owner. 9. Site diagram or additional well details: You may use the back of this page to provide additional well site details or well abandonment details. You may also attach additional pages if necessary. SUBMITTAL INSTRUCTIONS 10a. For All Wells: Submit this form within 30 days of completion of well abandonment to the following: Division of Water Resources, Information Processing Unit, 1617 Mail Service Center, Raleigh, NC 27699-1617 10b. For Injection Wells: In addition to sending the form to the address in 10a above, also submit one copy of this form within 30 days of completion of well abandonment to the following: Division of Water Resources, Underground Injection Control Program, 1636 Mail Service Center, Raleigh, NC 27699-1636 10c. For Water Supply & Injection Wells: In addition to sending the form to the address(es) above, also submit one copy of this form within 30 days of completion of well abandonment to the county health department of the county where abandoned. For Internal Use ONLY: George M. James 4164-C 1 WithersRavenel, Inc. N/A 3/8" Bentonite Neat Cement 25# 20# 09/01/2023 Bentonite pellets gravity fed into well to within one- foot of well's top-of-casing. Remainder of well filled with neat cement extending above well TOC and filling manhole.Biltmore Forest Country Club NCDEQ TF#10396 29 Stuyvesant Road, Asheville, NC 28803 09/01/2023 Buncombe 964676292700000 35.530802 -82.529489 MW-3A 16.2 6 7.45 3 14                               FIELD NOTES AND SITE PHOTOS                        PHOTO 1  MW‐3A PRIOR TO ABANDONMENT       PHOTO 2  MW‐3A FOLLOWING ABANDONMENT                   PHOTO 3  MW‐3A FOLLOWING ABANDONMENT