12 noon Update from the Office of Conservation

Bayou Corne/Grand Bayou Response Activity

Monday, Jan. 13 work-

Sinkhole Activity Code 1 – indicating work is allowed on sinkhole and within containment berms. Seismic monitoring indicates continued low levels of subsurface activity near sinkhole/Oxy 3.

Air Monitoring/Sub-slab Sampling and Ventilation

– Conducting ventilation system inspections

ORW/CPT Wells

– 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)

– Removing water from ORWs 10 (west of containment berm) 22 (north of La 70, west of Texas Brine facility) and 39 (north of containment berm)

Containment Berm/Roads/Sinkhole

– Surveying north and south containment berms

– Surveying containment berm settlement plates