3:30 p.m. Update from the Office of Conservation

Bayou Corne/Grand Bayou Response Activity

Tuesday, Feb. 18 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
– Preparing ORW 21 (north of Sauce Piquante, west of Crawfish Stew) to begin pump test

Containment Berm/Roads/Sinkhole
– Continuing placing sand on new south containment berm route between Oxy 9 and 10 well pads
– Surveying new south containment berm route
– Sampling sinkhole in-flow points
– Conducting monitoring of industrial water wells