2:00 p.m. Activity Update from the Office of Conservation

Bayou Corne/Grand Bayou Response Activity

Thursday, Aug. 1 work-

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

– Continuing sub-slab pressure monitoring at 107 Crawfish Stew, 135 Crawfish Stew, 1418 Jambalaya and 1433 Sauce Piquante

– Performing gas monitoring at 108 Crawfish Stew

ORW/CPT Wells

– Removing water on ORW 30 (south side of La. 70, west of Texas Brine facility)

– Re-completing CPT-61 (north side of La. 70, west of Texas Brine facility)

– Completing CPT 103W (southwest of sinkhole containment berm, east of Bayou Corne)

– Continuing taking water level measurements of industrial water wells and aquifer monitoring wells

– Conducting caliper survey and logging in Geophone #1 wellbore

Containment Berm/Roads/Sinkhole

– Performing density tests on south and west berms – placing limestone on west berm, clay on south berm

– Placing sand for new ORW and aquifer monitoring well drill pads

– Conducting weekly subsidence survey at Texas Brine facility

– Conducting settlement plate survey for containment berms and centerline survey on the south berm