WI-29679_0_CA_SCH_20221223_6823

December 23, 2022

Howard Stanley
Creekside Yacht Club, Inc.
6334 Oleander Drive
Wilmington, NC 28403

Reference: Spill Bucket Site Check Report
Creekside Yacht Club, Inc.
6334 Oleander Drive
Wilmington, New Hanover County, North Carolina 28403
Incident #38816; Facility ID #00-0-0000026866

Dear Mr. Stanley:

Contained herein is a report summarizing Site Check activities for the above referenced facility.
These activities were conducted pursuant to a failed integrity test for (1) spill buckets at this
facility. The faulty spill buckets have since been replaced by D&S Equipment Service.

On December 23, 2022, Henry Nemargut Engineering Services mobilized personnel to the site to
assess the condition of in-situ soils beneath the regular gasoline spill bucket which failed
integrity testing. Prior to our arrival, D&S Equipment had cut and removed concrete surfaces
which allowed collection of a samples directly beneath the former spill bucket via hand auger at
an approximate depth of 2.5’ below ground surface. The samples obtained from beneath the spill
bucket was labeled SB and was submitted to RedLab, LLC for analyses according to UVF
methodology. The soil sample was obtained as specified in the collection, preservation, and
handling section of the specific method. Each container was labeled with sample location,
analyses to be performed, time, date, and the sampler's name. They were then placed in a cooler
and chilled with ice to approximately 4oC in preparation for transportation to the analytical
laboratory utilizing EPA approved chain of custody procedures.

The UVF analytical results from the site check sample was above the NCDEQ action level of
50mg/kg for TPH-GRO compounds, with a noted GRO contaminant level of 368 mg/kg. Figure
1 shows the location of the spill bucket site check sample collected at this site, and Appendix A
contains a copy of the laboratory analytical report for the spill bucket sample.

Based on the results from the laboratory soil analyses, Henry Nemargut Engineering Services
recommends that the NCDEQ determine any further action in response to the site check
conducted at the regular spill bucket at this site since 2 previous releases have been reported at
this facility.

A copy of this report has been forwarded to:

Mike Haseltine
NCDEQ – WIRO - UST Section
127 Cardinal Drive Extension Wilmington, NC 28403

Mr. Stanley, please contact me at [phone] if you have questions regarding this report.

Sincerely,
Henry Nemargut, P.E.
Henry Nemargut Engineering Services

FIGURE

APPENDIX A

LABORATORY ANALYTICAL RESULTS

Hydrocarbon Analysis ResultsClient:HN ENGINEERING Samples takenFriday, December 23, 2022Address:WILMINGTON, NC Samples extractedFriday, December 23, 2022Samples analysedFriday, December 23, 2022Contact:HENRY NEMARGUTOperatorTORI KELLY Project:YACHT CLUB 5U04049Matrix Sample IDDilution usedBTEX (C6 - C9)GRO (C5 - C10)DRO (C10 - C35)TPH (C5 - C35)Total Aromatics (C10-C35)16 EPA PAHsBaP HC Fingerprint Match% light % mid% heavys SB 18.4 38.7 368 53.9 421.9 96.5 3.8 0.029 98.3 1.1 0.5Deg.Gas 54.7%,(FCM)Initial Calibrator QC checkOKFinal FCM QC CheckOK 99 %Results generated by a QED HC-1 analyser. Concentration values in mg/kg for soil samples and mg/L for water samples. Soil values are not corrected for moisture or stone contentFingerprints provide a tentative hydrocarbon identification. The abbreviations are:- FCM = Results calculated using Fundamental Calibration Mode : % = confidence for sample fingerprint match to library(SBS) or (LBS) = Site Specific or Library Background Subtraction applied to result : (PFM) = Poor Fingerprint Match : (T) = Turbid : (P) = Particulate presentRatios