12 noon Update from the Office of Conservation

Tuesday, Jan. 7 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 ORW 18 (west of containment berm) and ORW 22 (north of La 70, west of Texas Brine facility)

– Marking path for access road for planned ORWs 55 and 56 (west of Bayou Corne, south of Sportsman’s Landing area)

Containment Berm/Roads/Sinkhole

– Measuring aquifer water levels

– Collecting sinkhole water samples