11:20 a.m. Update from the Office of Conservation

Bayou Corne/Grand Bayou Response Activity

Tuesday, Feb. 4 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

– Connecting equipment for pump test on ORW 38 (north of Sauce Piquante)

– Plugging ORW 8 (near original western containment berm route)

– Checking industrial water well water levels

Containment Berm/Roads/Sinkhole

– Hauling sand to continue construction of new south containment berm

– Collecting water samples from sinkhole in-flow points