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| Alter C#9-23 - #490719 Information | Status: CL - 6/2/2025 |
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| Spill Type: | Release | Facility Name/No.: | Alter C#9-23 / | | Facility Type: | SPILL OR RELEASE | Facility Status: | CL | | Date of Discovery: | 5/30/2025 | Date Closed: | 6/2/2025 | | Operator: | NOBLE ENERGY INC | Operator Number: | 100322 | | County: | WELD - #123 | Location: | CSE 9 4N64W | | Doc Number: | 404224730 | Lat/Long: | 40.323471 / -104.550825 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 5/30/2025, the potential presence of impacted material(s) was identified via hydrocarbon staining during resampling activities at the Alter C #9-23, wellhead, samples: WH01 & WH01-S. This facility had been previously cut and capped, and the flowline was abandoned-in-place (ABIP). The base and sidewall samples are in the same wellhead excavation. The volume of potentially impacted material(s) is not currently known. Out of an abundance of caution, the operator is submitting notification within 24 hours of the discovery of the potential presence of impacted material(s) soil. Initial soil sampling is underway to determine whether any constituents are present at levels in excess of Table 915-1 standards. Groundwater was not encountered during resampling activities. All data collected will be submitted with the next quarterly Supplemental Form 27 for REM 32279, due by 6/23/2025. | | |
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| Resolution: | | Resolving Document: 404224730 | Closure Requested: 06/02/2025 | | Resolution: Work Procedeing under Form 27 |
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| 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: | Alter C#9-23 - | | County Name: | WELD | | qtrqtr: CSE | section: 9 | township: 4N | range: 64W | meridian: 6 |
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