11:10 a.m. Update from the Office of Conservation

Bayou Corne/Grand Bayou Response Activity

Wednesday, April 16 work-

Sinkhole Activity Code 1 – indicating work is allowed on sinkhole and within containment berms. Seismic monitoring indicates low levels of subsurface activity near sinkhole/Oxy 3.

Air Monitoring/Sub-slab Sampling and Ventilation

– Conducting ventilation system inspections

ORW/CPT Wells

– Continuing pumping on ORWs 4 (northwest of containment berm) and 54 (west of Bayou Corne, south of La 70)

– Working on pumps for ORWs 15 (north of La 70, east of Gumbo Street) and 48 (north of containment berm)

– Conducting drawdown test on ORW 14 (Oxy 9 well pad)

Containment/ Roads/ Sinkhole/Survey

– Stockpiling limestone for containment berm

– Placing geotextile fabric and limestone on south containment berm re-route