3:25 p.m. Update from the Office of Conservation

Bayou Corne/Grand Bayou Response Activity

Friday, Nov. 15 work-

Sinkhole Activity Code 1 – indicating work is allowed on sinkhole and containment berm, seismic monitoring indicates low levels of sub-surface activity near sinkhole/Oxy 3

Sub-slab Sampling and Ventilation

– Conducting ventilation system inspections and air monitoring

ORW/CPT Wells

– Pumping ORW 43 (north of containment berm) to enhance gas flow

– Completing deep aquifer monitoring well MRAA 05D (south of containment berm)

– Continuing horizontal borings for gas/water collection lines along Sportsman’s Drive

– Completing pressure monitoring well PMW 18 (west of Bayou Corne, south of La 70)

Containment/ Roads/ Sinkhole

– Surveying containment berm settlement plates

– Surveying south containment berm

– Sampling industrial water wells

– Re-locating tilt meter in sinkhole

– Installing culvert in ditch along La 70 near ORW-37 (east of Bayou Corne, south of La 70) and covering with sand, clay, and limestone for driveway access