2:40 p.m. Update from the Office of Conservation

Bayou Corne/Grand Bayou Response Activity

Thursday, Sept. 12 work-

Sinkhole Activity Code 2 – elevated level – indicating detection of increased seismic activity near sinkhole/Oxy 3, no work directly on sinkhole allowed

Sub-slab Sampling and Ventilation

– Conducting vapor monitoring 134 Sportsman’s Drive, 1422 Jambalaya, and 1402 and 1457 Sauce Piquante

– Measuring probe locations at 127 Sportsmans Drive, 104 Crawfish Stew, and 1467 and 1469 Sauce Piquante.

– Retrofitting new profile blowers on ventilation systems at 1438 Sauce Piquante and 135 Crawfish Stew

– Wiring and connecting ventilation system at 174 Crawfish Stew 

ORW/CPT Wells

– Installing water pumps in ORWs 1 (north of La. 70, west of Texas Brine facility), 9 (west of containment berm), 39 and 40 (north of containment berm)

– Completing aquifer monitoring well MRAA 5M (mid-aquifer), and grouting aquifer monitoring well MRAA 5S (shallow aquifer) – south of containment berm

– Completing DPVE (dual-phase vacuum extraction) well 47-1 and grouting DPVE well 47-3 on Maurice Rd. (ORW work road west of containment berm) 

– Installing MIHPTs 66 and 67 (on north side of La. 70 in community)

– Sampling aquifer monitoring wells

Containment Berm/Roads/Sinkhole

– Unloading concrete mats for overflow structure

– Conducting depth survey of sinkhole