| Environmental | Form: (04)
400480043
10/02/2013 | Before backfilling the pit, statistically representative DISCRETE samples of walls/bottom of the pit will be collected and sampled for TPH and PAHs.
Representative discrete confirmation samples will be collected from the landfarmed soil for TPH, PAHs and SAR, pH, Arsenic.
Arsenic background samples from nearby native soil (upgradient and cross-gradient of the pad) will be collected to compare arsenic background concentrations with impacted soil arsenic concentrations.
A form 04, Notice of Completion will be submitted when pit and landfarmed material are in compliance with Table 910-1 and arsenic concentrations are below or at the max background concentration + 10%. |
| Permit | Form: (04)
401246464
03/31/2017 | The operator-of-record of this location is subject to the September 1, 2017 extended deadline granted by this variance to comply with the March 1, 2017 requirements of the COGCC Notice to Operators: Procedure for Preset Conductors (rev October 6, 2016) to have performed one of the following options: (1) plug the conductors and perform reclamation, (2) request to keep the conductors and provide additional financial assurance, or (3) submit a Rule 502.b variance for an alternative plan. |
| Environmental | Form: (04)
403937617
10/02/2024 | Based on review of information presented it appears that no further action is necessary at this time, and ECMC approves this request for informational purposes. However, should future conditions at the site indicate contaminant concentrations in soils exceeding ECMC standards or if surface and/or ground water is found to be impacted, then further investigation and/or remediation activities will be required at the site. In addition, the non-working surface area disturbed by the remediation activity shall be reclaimed in accordance with the 1000 Series Reclamation Rules including the establishment of vegetative cover on non-cropland and successful growth on cropland. Landowner must approve reclamation of cropland. |