2:45 p.m. Update from the Office of Conservation

Bayou Corne/Grand Bayou Response Activity

Friday, Aug. 30 work-

Sinkhole Activity Code 3 – highest level – though seismic activity has not been elevated since last week’s event, work within berms/directly on sinkhole is being suspended as a precaution while new safety protocols based on observations from the most recent slough-in are finalized

Sub-slab Sampling and Ventilation

– Continuing ambient and in-stack gas monitoring on sub-slab ventilation systems

– Ending pressure monitoring and removing monitor from 1428A Jambalaya

– Conducting sub-slab vapor monitoring at 134 Sportsman Dr.

ORW/CPT Wells

– Connecting ORWs 43 and 48 to flow line to flare (south of La. 70, west of Texas Brine facility)

– Grouting aquifer monitoring well MRAA 4S (shallow), and developing MRAA 4M (mid-aquifer) – north of containment berm

– Installing master valve on ORW 46 (east of Bayou Corne, south of La. 70)

– Logging Geophone 1 well (3,000-ft well on Oxy 1 well pad)

– Logging Oxy 3A and running bottom tag (work done from Oxy 9 well pad)

Containment Berm/Roads/Sinkhole

– Work on berms/sinkhole suspended pending approval of new safety protocol