2:10 p.m. Activity Update from the Office of Conservation

Bayou Corne/Grand Bayou Response Activity

Wednesday, July 31 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 and 135 Crawfish Stew, 1418 Jambalaya

– Installing two sub-slab monitoring probes at 135 Crawfish Stew

– Installing pressure monitor at 1433 Sauce Piquante

ORW/CPT Wells

– Well work on ORW 38 (northern part of community, just behind Sauce Piquante) and ORW 23 (north side of La. 70, west of Texas Brine facility)

–  Repairing CPT rig hydraulic pump and re-completing CPT-61 (north side of La. 70, west of Texas Brine facility)

– Completing CPT 107W (southwest of community, west of Bayou Corne)

– Taking water level measurements of industrial water wells and aquifer monitoring wells

Containment Berm/Roads/Sinkhole

– Moving gravel from sides of berm to top where the gravel has shifted

– Aerating top of berm near southwest corner

– Clay and gravel hauling still suspended due to wet conditions on berm

– Starting prep work on containment culverts

– Conducting weekly subsidence survey at Texas Brine facility

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