10:25 a.m. Update from the Office of Conservation

Bayou Corne/Grand Bayou Response Activity

Wednesday, Jan. 22 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

– De-pressurizing ORW 54 (north of La 70, west of Texas Brine facility) to change out wellhead

– Monitoring bubble site 56 (Bayou Corne, north of La 70)

– Installing pressure monitors on passive vent wells PVW-01 (west of Bayou Corne, south of La. 70) and PVW-03 (Sportsman’s Landing)

– Re-working wellhead on DPVE 22 (east of Gumbo Street/Sauce Piquante intersection) for conversion to passive venting

– Completing ORW 56 (west of Bayou Corne, south of Sportsman’s Landing)

– Drilling ORW 55 (west of Bayou Corne, south of Sportsman’s Landing)

– Sampling water removed from ORWs

– Surveying settlement rods on ORW 38 site (north of Sauce Piquante)

Containment Berm/Roads/Sinkhole

– Continuing to haul and place sand for construction of new southern berm route

– Continuing to haul and place sand for construction of access road for Oxy 9 well pad to ORW-57 (southeast of containment berm, east of Bayou Corne)

– Mobilizing sonic rig to install inclinometer south of sinkhole