WI-96776_96776_CA_HRE_20230517

May 17, 2023
Cecil Worsley III
Springer Eubank Co., Inc.
123 Shipyard Boulevard
Wilmington, NC 28412

Re: Health Risk Evaluation of Water Supply
Incident number: 96776

Dear Cecil Worsley:

Please find attached the Report of Laboratory Analysis for a water sample collected from your well,
identified as LA90049-3, located at 14531 NC Highway 421, Burgaw, Pender County on April 25, 2023.
The sample was collected and analyzed as part of the investigation of a petroleum release in the vicinity.
The water sample was analyzed for specific target analytes (contaminants), which are listed on the
attached Report of Laboratory Analysis. Contaminants were detected in the water sample, as shown on
the attached Report of Laboratory Analysis.

Because contaminants were detected in the water sample, a Health Risk Evaluation of the water supply
was performed by an environmental toxicologist in the Division of Waste Management. The Health Risk
Evaluation, which is also attached, compares the detected concentration of contaminants to acceptable
concentrations and provides a recommendation for safe use of the water.

If you have any questions, please contact Dave Lilley at [phone] or contact me at
[e-mail], [phone], or the address listed below.

Sincerely,
Lauren Richardson

Hydrogeologist
Wilmington Regional Office
UST Section, Division of Waste Management, NCDEQ

Attachments: Report of Laboratory Analysis
Health Risk Evaluation

cc: Maureen Jackson, P.G., ATC Associates of NC P.C. (electronic copy only)
Carolyn Moser, Pender County Health Director (electronic copy only)

May 15, 2023

TO: Lauren Richardson Wilmington Regional Office NC UST Section
RE: Health Risk Evaluation
Incident # 96776 Phoenix #755 Well Sampling Results 14531 NC Highway 421 Burgaw, NC

During this sampling event, two contaminants were detected in the well water. The standards used to determine if the water is suitable for drinking and cooking are the United States Environmental Protection Agency’s Maximum Contaminant Levels (MCLs) or, if no MCLs exist, North Carolina Groundwater Standards (2L).

If any contaminant concentrations exceed applicable standards for using the water for drinking and cooking, those contaminant concentrations are further analyzed to determine if the water is suitable for other household uses, such as showering, bathing, washing dishes, flushing toilets, and hand washing. The chart below compares the detected contaminant concentrations with the applicable
standards: Sample ID Contaminant Concentration (µg/L) MCL (µg/L) 2L (µg/L)
LA90049-3 Acetone 1.7 6,000
Ethyl Alcohol 34.6 4,000*
µg/L – Stands for micrograms of contaminant per liter of water and is roughly equivalent to parts per billion.
* This value is an Interim Maximum Allowable Concentration (IMAC).
RECOMMENDATION: None of the contaminants detected exceeded the applicable water standards. Therefore, no restrictions on the use of this water are recommended at this time.
David Lilley, Environmental Toxicologist Division of Waste Management, NCDEQ