2:25 p.m. Update from the Office of Conservation

Bayou Corne/Grand Bayou Response Activity

Friday, Sep. 13 work-

Sinkhole Activity Code 1 – lowest level – no detection of significant elevation of seismic activity in area of sinkhole/Oxy 3 cavern

Sub-slab Sampling and Ventilation

– Conducting ambient and in-stack monitoring of all installed ventilation systems

– Measuring probe locations for 1467 and 1469 Sauce Piquante

– Retrofitting new profile blowers on ventilation system at 116 Crawfish Stew

– Connecting ventilation system at 174 Crawfish Stew

ORW/CPT Wells

– Completing shallow aquifer monitoring well MRAA 5S (south of containment berm)

– Installing pressure monitor equipment in ORW 40 (north of containment berm)

– Installing water pump system in ORW 39 (north of containment berm)

– Installing MIHPT 52 (near Jambalaya intersection with La. 70)

– Completing DPVE wells 47-2 and 47-3 on Maurice Rd. (ORW work road west of containment berm)

– Identifying areas for proposed DPVE wells in Bayou Corne community

Containment Berm/Roads/Sinkhole

– Continuing construction of new northwest access road and pad

– Unloading concrete mats for overflow structure