WI0400576_Revised Staff Report_20211119

Permit No. WI0400
Date: 11/19/2021 County: Guilford
To: Michael Rogers
Permittee/Applicant: Weston Solutions
Central Office Reviewer: Michael Rogers Facility Name: Former Cotton Mill Square Site
L GENERAL INFORMATION
1. This application is (check all that apply): ® New ❑ Renewal
❑ Minor Modification _ Major Modification
a. Date of Inspection: September 23, 2021
b. Person contacted and contact information: David Kane, PG; Phone: [phone],
[e-mail]
c. Site visit conducted by: Jim Gonsiewski.
d. Inspection Report Printed from BIMS attached: ['Yes ® No.
e. Physical Address of Site including zip code: 801 Merritt Drive Greensboro NC 27407
f. Driving Directions if rural site and/or no physical address:
g. Latitude: 36°03'28"N Longitude:79°51'08"W
Source of Lat/Long & accuracy (i.e., Google Earth, GPS, etc.): Google Earth
H. DESCRIPTION OF INJECTION WELL(S) AND FACILITY
1. Type of injection system:
❑ Geothermal Heating/Cooling Water Return
® In situ Groundwater Remediation
❑ Non -Discharge Groundwater Remediation
Other (Specify: )
2. For Geothermal Water Return Well(s) only
a. For existing geothermal system only:
Were samples collected from Influent/Effluent sampling ports? n Yes ❑ No.
Provide well construction information from well tag:
b. Does existing or proposed system use same well for water source and injection? n Yes ❑ No
If No, please provide source/supply well construction info (i.e., depth, date drilled, well contractor,
etc.) and attached map and sketch location of supply well in relation to injection well and any other
features in Section IV of this Staff Report.
3. Are there any potential pollution sources that may affect injection? n Yes ® No
What is/are the pollution source(s)? On -Site Former Manufacturing Facilities
What is the distance of the injection well(s) from the pollution source(s) 250 to 600 feet
4. What is the minimum distance of proposed injection wells from the property boundary? 30 ft
5. Quality of drainage at site: ['Good ® Adequate ❑ Poor
6. Flooding potential of site: ® Low ❑ Moderate High

7. For Groundwater Injection Remediation Systems only, is the proposed and/or existing groundwater monitoring
program (number of wells, frequency of monitoring, monitoring parameters, etc.) adequate? ❑ Yes ❑ No.
If No, attach map of existing monitoring well network if applicable and recommend any changes to the
groundwater -monitoring program.
8. Does the map included in the Application reasonably represent the actual site (property lines, wells, surface
drainage)? ® Yes ❑ No. If No, or no map, please attach a sketch of the site. Show property boundaries,
buildings, wells, potential pollution sources, roads, approximate scale, and north arrow.
9. For Non -Discharge Groundwater Remediation systems only (i.e., permits with WQ prefix):
a. Are the treatment facilities adequate for the type of waste and disposal system? ❑ Yes ❑ No ❑ N/A.
If No, please explain:
b. Are the site conditions (soils, topography, depth to water table, etc.) consistent with what was reported by
the soil scientist and/or Professional Engineer? ❑ Yes ❑ No ❑ N/A. If no, please explain:
IIL EVALUATION AND RECOMMENDATIONS
1. Do you foresee any problems with issuance/renewal of this permit? ❑ Yes ® No. If Yes, explain.
2. List any items that you would like WQROS Central Office to obtain through an additional information request.
Make sure that you provide a reason for each item:
Item
Reason
3. List specific special conditions or compliance schedules that you recommend to be included in the permit when
issued. Make sure that you provide a reason for each special condition:
Condition
Reason
Recommend that after the pre -injection
sampling event two semi-annual post -injection
sampling events be conducted. If the results
from these events do not indicate any problems,
the applicant can request that further post-
inj ection sampling be conducted on an annual
basis for the remainder of the proposed five-
year sampling program.
Conducting initial post -injection sampling six
months after the injection then sampling
annually may not be sufficient to identify
problems or unusual constituent levels.

4. Recommendation
❑ Deny. If Deny, please state reasons:
❑ Hold pending receipt and review of additional information by Regional Office
❑ Issue upon receipt of needed additional information
® Issue See recommended condition outlined above in Section 3.
5. Signature of Report Preparer(s):
DDocuSigned by:
LL G0i
El9l66Pl7QD4 DocuSigned Dy:
Signature of WQROS Regional Supervisor:
11/19/2021
Date:
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IV. ADDITIONAL REGIONAL STAFF REVIEW COMMENTS/ATTACHMENTS (Optional /If Needed)