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COGIS - SPILL OR RELEASE INFORMATION

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State C24-28 - #491345 InformationStatus: CL - 8/20/2025
Spill Type: ReleaseFacility Name/No.:State C24-28 /
Facility Type:SPILL OR RELEASEFacility Status:CL
Date of Discovery:7/28/2025Date Closed:8/20/2025
Operator:NOBLE ENERGY INC Operator Number:100322
County:WELD  - #123Location:NWNE 24 4N64W
Doc Number:404324036Lat/Long:40.304596 / -104.498883  Source: ACTUAL based On LatLong
Municipality
(if within municipal boundaries):
--
Waters of the State: Impacted Media:
Related Remediation Project Number
if work proceeding under an approved Form 27:
N/A
 
Spill Description:
On 06/30/2025, State C24-28 wellhead resampling activities were completed. During the completion of the activities, no potential presence of impacted material(s) was observed/smelled. Consistent with Rule 912, samples were collected and analyzed to determine whether any constituents are present at levels in excess of Table 915-1 standards. Final laboratory analytical results received on 07/28/2025, indicate that soil sample, WH01-B, discovered at the former wellhead, exceeded ECMC Table 915 standards for naphthalene at 0.010 mg/kg. Groundwater was not encountered during resampling activities. Operator is acknowledging that this notification is not being submitted within 24 hours of the receipt of the results. All data collected will be submitted with the next quarterly Supplemental Form 27 for REM 29862, due by 8/20/2025.
 
Resolution:
Resolving Document:  404324036Closure Requested:  08/20/2025
Resolution:  Work Procedeing under Form 27
 
Operator Information:
Operator:NOBLE ENERGY INC
Oper. No.100322
Address:1099 18TH STREET SUITE 1500  DENVER  CO 80202
Type of Facility:SPILL OR RELEASE
Fac. Name:State C24-28 -
County Name:WELD
qtrqtr: NWNEsection: 24township: 4Nrange: 64Wmeridian: 6