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COGIS - SPILL OR RELEASE INFORMATION

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Aristocrat Angus 21-4C - #486713 InformationStatus: CL - 5/8/2024
Spill Type: ReleaseFacility Name/No.:Aristocrat Angus 21-4C /
Facility Type:SPILL OR RELEASEFacility Status:CL
Date of Discovery:5/7/2024Date Closed:5/8/2024
Operator:CRESTONE PEAK RESOURCES OPERATING LLC Operator Number:10633
County:WELD  - #123Location:NENW 4 3N65W
Doc Number:403784094Lat/Long:40.259655 / -104.670808  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:
32050
 
Spill Description:
During facility decommissioning activities at the wellhead base, historical Lead impacts were discovered. The initial confirmation samples from wellhead base and flowline riser at the wellhead had GSSL exceedances of Lead but were non-detect for TPH and organics and below ECMC Table 915-1 standards for SAR, EC, and boron. Locations were resampled to confirm if result was due to lab variability or heterogenous lithology. The impacted soil will be removed and hauled for disposal. Confirmation soil samples will be collected and submitted in compliance with ECMC Table 915-1.
 
Resolution:
Resolving Document:  403784094Closure Requested:  05/08/2024
Resolution:  Work Procedeing under Form 27
 
Resolution Project:
Date Approved:  10/6/2023Well Name/No.:  Aristocrat Angus 21-4C
Date Recv'd:  10/6/2023API number:  05-123-16574
Rem DocNum:  403541679Remediation Project #:  32050
Document Type:  FORM 27 qtrqtr: NENW   section: 4   township: 3N   range: 65W   meridian: 6
 
Operator Information:
Operator:CRESTONE PEAK RESOURCES OPERATING LLC
Oper. No.10633
Address:555 17TH STREET SUITE 3700  DENVER  CO 80202
Type of Facility:SPILL OR RELEASE
Fac. Name:Aristocrat Angus 21-4C -
County Name:WELD
qtrqtr: NENWsection: 4township: 3Nrange: 65Wmeridian: 6