3:20 p.m. Update from the Office of Conservation

Bayou Corne/Grand Bayou Response Activity

Wednesday, June 18 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), 14 (Oxy 9 well pad), 15 (north of La 70, east of Gumbo Street), 48 (north of containment berm), 54 (west of Bayou Corne, south of La 70), 57 (southeast of Oxy 9 well pad)

– Setting transducer depth in PMWs

– De-pressurizing PMWs 004 and 007

– Performing pressure test on ORW 50 (Sportsman’s Drive)

Containment/ Roads/ Sinkhole/Survey

– Conducting daily berm inspections

– Cleaning out water storage tanks near sinkhole inflows

– Sampling aquifer water wells