2:20 p.m. Update from the Office of Conservation

Bayou Corne/Grand Bayou Response Activity
Tuesday, July 8 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)
– Performing test on PMW 8
– Installing passive vent well near bubble site 26 (pond near Oxy 2 well pad)
– Connecting ORW 54 (north of 70, west of Texas Brine facility) to water piping for discharge to sinkhole

Containment/ Roads/ Sinkhole/Survey
– Conducting daily berm inspections
– Conducting water sampling of industrial water wells and sinkhole inflows
– Installing transducers on aquifer monitoring wells