9:55 a.m. Update from the Office of Conservation

Bayou Corne/Grand Bayou Response Activity

Wednesday, March 5 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

– Continuing ORW 21 pump test (north of Sauce Piquante, west of Crawfish Stew)

– Conducting pump test on ORW 48 (north of containment berm) in preparation for de-watering

– Conducting workover on ORWs 4 (northwest of containment berm) and 14 (Oxy 10 well pad)

– Surveying settlement rods on ORW 21

Containment Berm/Roads/Sinkhole

– Surveying original south containment berm

– Sampling sinkhole water in-flow

– Monitoring and sampling industrial water wells