3:45 p.m. Update

Bayou Corne/Grand Bayou Response Activity

Monday, Dec. 30 work-
Sinkhole Activity Code 3 – indicating no work is allowed directly on sinkhole or within containment berms. Seismic monitoring indicates further increase in levels of subsurface activity near sinkhole/Oxy 3 – state and parish will continue to closely observe seismic activity to advise of any sudden changes.

Air Monitoring/Sub-slab Sampling and Ventilation
– Conducting ventilation system inspections

– De-pressurizing ORW 54 (north of La 70, west of Texas Brine facility) to change out wellhead
– Monitoring bubble site 56 (Bayou Corne, north of La 70)
– Downloading transducer and tracking data from ORWs

Containment Berm/Roads/Sinkhole
– Work limited due to seismic Code 3
– Inspecting containment berm status