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COGIS - SPILL OR RELEASE INFORMATION

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ERICKSON A 4-5 Flowline - #491893 InformationStatus: CL - 9/4/2025
Spill Type: ReleaseFacility Name/No.:ERICKSON A 4-5 Flowline /
Facility Type:SPILL OR RELEASEFacility Status:CL
Date of Discovery:6/12/2025Date Closed:9/4/2025
Operator:NOBLE ENERGY INC Operator Number:100322
County:WELD  - #123Location:SWNW 4 6N64W
Doc Number:404239303Lat/Long:40.518269 / -104.563749  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:
39485
 
Spill Description:
On 5/28/2025, ERICKSON A 4-5 flowline decommissioning 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 6/11/2025 indicate that soil sample, FL01-03@2’, discovered along the flowline directional change, exceeded ECMC Table 915 standards for Naphthalene at 0.0074 mg/kg and Benzo(a)anthracene at 0.0776 mg/kg. Groundwater was not encountered during flowline decommissioning activities. This location is within the Mule Deer Sever Winter Range High Priority Habitat.
 
Resolution:
Resolving Document:  404342067Closure Requested:  09/04/2025
Resolution:  Work Procedeing under Form 27
 
Resolution Project:
Date Approved:  3/11/2025Well Name/No.:  ERICKSON A
Date Recv'd:  3/11/2025API number:  05-123-23489
Rem DocNum:  404122552Remediation Project #:  39485
Document Type:  FORM 27 qtrqtr: SWNW   section: 4   township: 6N   range: 64W   meridian: 6
 
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:ERICKSON A 4-5 Flowline -
County Name:WELD
qtrqtr: SWNWsection: 4township: 6Nrange: 64Wmeridian: 6