11:55 a.m. Update from the Office of Conservation

Bayou Corne/Grand Bayou Response Activity

Friday, March 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

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

– Surveying ORW 21 settlement rods

– Beginning de-watering test on ORW 14 (Oxy 9 well pad)

– Preparing for pump test on ORW 30 (northwest of containment berm)

– Working over ORW 26 (northwest of containment berm)

– Conducting maintenance on Bubble Site 56 vent well (west side of Bayou Corne, north of La 70)

Containment Berm/Roads/Sinkhole

– Grading ORW access road west of Bayou Corne, south of La 70

– Surveying original south containment berm