11:30 a.m. Update from the Office of Conservation

Bayou Corne/Grand Bayou Response Activity

Wednesday, March 19 work-

Sinkhole Activity Code 2 – indicating no work is allowed directly on sinkhole or within containment berms, based on increase in subsurface activity near sinkhole/Oxy3 detected by seismic monitoring.

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) and surveying settlement rods

– Conducting de-watering test on ORWs 4 (northwest of containment berm) and 14 (Oxy 9 well pad) and OGRW 1 (Oxy Geismar 2 well pad)

– Conducting pump test on ORWs 15 (north of La 70, east of Gumbo St.), 24 (north of La 70, east of Sauce Piquante and Gumbo St intersection) and 26 (northwest of containment berm, south of La 70)

– Working over ORWs 23 (north of La 70, east of Sauce Piquante and Gumbo St intersection) and 32 (north of La 70, east of Gumbo St.)

– Plugging passive vent well PVW 1

Containment Berm/Roads/Sinkhole

– Continuing placement of geotextile fabric and clay on new south containment berm

– Surveying original south containment berm