11:40 a.m. Update from the Office of Conservation

Bayou Corne/Grand Bayou Response Activity

Thursday, Oct. 10 work-

Sinkhole Activity Code 1 –lowest level, indicating little seismic activity detected near sinkhole/Oxy 3

Sub-slab Sampling and Ventilation

– Conducting ventilation system inspections

– Continuing installation of sub-slab probes

ORW/CPT Wells

– Monitoring pump drawdown tests of OGRW 1 (Oxy 2 well pad), ORW 9 (west of containment berm), ORWs 39 and 40 (north of containment berm) , adding new water tank for ORW 39

– Installing MIHPT 19 (north of Gumbo St)

– Continuing work on sensor installation in Geophone #1 well (Oxy 2 well pad)

– Continuing DPVE 47 test (access road west of containment berm)

Containment Berm/Roads/Sinkhole

– Continuing plug-and-abandon of Water Well 3 (Oxy 3 well pad)

– Adding clay on western containment berm for geophone location

– Reworking ORW access road (west of Bayou Corne, south of La 70)

– Sampling aquifer water wells

– Surveying DPVE 47 settlement plates