8:20 p.m. Update from the Office of Conservation

Bayou Corne/Grand Bayou Response Activity
Monday, Sep. 9 work-
Sinkhole Activity Code 1 – lowest level – seismic activity levels low since slough-in on/near north work pad

Sub-slab Sampling and Ventilation
– Continuing ambient and in-stack gas monitoring on sub-slab ventilation systems
– Vapor monitoring at all locations where vent systems exist
– Pressure monitoring at 116 Crawfish Stew
– Continuing to install vent system at 174 Crawfish Stew
– Installing new blower on vent system at 1433 Sauce Piquante

ORW/CPT Wells
– Removing water from ORWs 28 (west of Texas Brine facility, north of La. 70) and 38 (north of Bayou Corne community, behind Sauce Piquante)
– Installing MIHPTs 9, 18 (east of Grand Bayou, southeast of Texas Brine facility) and 41 (eastern end of Sauce Piquante)
– Installing DPVE (dual-phase vacuum extraction) wells 47-1 and 47-2 on Maurice Rd. (ORW work road west of containment berm)