Environmental | Form: (04 ) 400479220 10/2/2013 | 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%. |
Environmental | Form: (04 ) 401111191 9/28/2016 | 1) Former (backfilled) Drilling Pit. Investigation conducted by Linn Energy identified impacted soil on the south section of the drilling pit (borings B1) as a depth of approximately 3 to 8 feet bgs. Please submit a Remediation Work Plan, as a supplement to REM #9764 describing: a) removal and back fill of impacted soil, b) if the impacted material will be landfarmed onsite or taken to a landfill. If treated on site, be specific with thickkness of material in treatment cells a, frequency of treatment with water, aeration, nutrients.
2) Fresh water pit. Notify the COGCC via e-form 04 when pit has been fully or partially backfilled. |
Permit | Form: (04 ) 401246377 3/31/2017 | 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. |