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COGIS - SPILL OR RELEASE INFORMATION

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Aristocrat PC H11-27D - #488823 InformationStatus: CL - 3/20/2025
Spill Type: ReleaseFacility Name/No.:Aristocrat PC H11-27D /
Facility Type:SPILL OR RELEASEFacility Status:CL
Date of Discovery:1/2/2025Date Closed:3/20/2025
Operator:NOBLE ENERGY INC Operator Number:100322
County:WELD  - #123Location:SESE 2 3N65W
Doc Number:404046552Lat/Long:40.248390 / -104.622714  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:
37599
 
Spill Description:
On 11/18/2024, Aristocrat PC H11-27D wellhead decommissioning activity was 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 1/2/2025, indicate the soil sample, WH01, discovered at the wellhead exceeded ECMC Table 915 standards for 1-methylnaphthalene at 0.00622 mg/kg. Groundwater was not encountered during decommissioning activities.
 
Resolution:
Resolving Document:  404136118Closure Requested:  03/20/2025
Resolution:  Work Procedeing under Form 27
 
Resolution Project:
Date Approved:  8/23/2024Well Name/No.:  Aristocrat PC H11-27D
Date Recv'd:  8/23/2024API number:  05-123-32300
Rem DocNum:  403874049Remediation Project #:  37599
Document Type:  FORM 27 qtrqtr: SESE   section: 2   township: 3N   range: 65W   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:Aristocrat PC H11-27D -
County Name:WELD
qtrqtr: SESEsection: 2township: 3Nrange: 65Wmeridian: 6