THE LATEST ON BAYOU CORNE SINKHOLE

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11:45 a.m. Update from the Office of Conservation

Bayou Corne/Grand Bayou Response Activity

Tuesday, March 11 work-

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Sinkhole Activity Code 1 – indicating work is allowed on sinkhole and within containment berms. Seismic monitoring indicates continued low levels of subsurface activity near sinkhole/Oxy 3.

Air Monitoring/Sub-slab Sampling and Ventilation

  • Conducting ventilation system inspections
  • Installing in-home detector at 138 Sportsman’s Drive

ORW/CPT Wells

  • Continuing ORW 21 pump test (north of Sauce Piquante, west of Crawfish Stew) and surveying settlement rods at site
  • Conducting de-watering test on ORWs 4 (northwest of containment berm0, 14 (Oxy 9 well pad), and 30 (north of containment berm, south of La 70)
  • Doing workover on ORW 26 (northwest of containment berm, south of La 70)

  • Conducting sampling of aquifer wells

  • Containment Berm/Roads/Sinkhole

    • Re-installing light pole at entrance to Texas Brine facility
  • Stockpiling clay for south containment berm
  • March 10, 2014
    12:45 p.m. Update from the Office of Conservation

    Bayou Corne/Grand Bayou Response Activity

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    Monday, March 10 work-
    Sinkhole Activity Code 1 – indicating work is allowed on sinkhole and within containment berms. Seismic monitoring indicates continued low levels of subsurface activity near sinkhole/Oxy 3.

    Air Monitoring/Sub-slab Sampling and Ventilation
    – Conducting ventilation system inspections

    ORW/CPT Wells
    – Continuing ORW 21 pump test (north of Sauce Piquante, west of Crawfish Stew) and surveying settlement rods at site
    – Conducting de-watering test on ORWs 4 (northwest of containment berm0, 14 (Oxy 9 well pad), and 30 (north of containment berm, south of La 70)
    – Doing workover on ORW 26 (northwest of containment berm, south of La 70)
    – Setting up for pump test on ORW 23 (east of Gumbo St/Sauce Piquante intersection)

    Containment Berm/Roads/Sinkhole
    – Conducting survey of north containment berm and original south containment berm
    – Grading and compacting new south containment berm
    – Stockpiling clay for south containment berm

    March 10, 2014
    11:05 a.m. REMINDER: Community Briefing, Tomorrow

    A community briefing offering updates from governmental agencies will be held:

    When:  Tuesday, March 11, 2014 @ 6:00 p.m.

    Where: Assumption Parish Community Center, 4910 Hwy 308, Napoleonville

    March 7, 2014
    11:55 a.m. Update from the Office of Conservation

    Bayou Corne/Grand Bayou Response Activity

    Friday, March 7 work-

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    Sinkhole Activity Code 1 – indicating work is allowed on sinkhole and within containment berms. Seismic monitoring indicates continued low levels of subsurface activity near sinkhole/Oxy 3.

    Air Monitoring/Sub-slab Sampling and Ventilation

    • Conducting ventilation system inspections

    ORW/CPT Wells

    • Continuing ORW 21 pump test (north of Sauce Piquante, west of Crawfish Stew)
  • Surveying ORW 21 settlement rods
  • Beginning de-watering test on ORW 14 (Oxy 9 well pad)

  • Preparing for pump test on ORW 30 (northwest of containment berm)

  • Working over ORW 26 (northwest of containment berm)

  • Conducting maintenance on Bubble Site 56 vent well (west side of Bayou Corne, north of La 70)

  • Containment Berm/Roads/Sinkhole

    • Grading ORW access road west of Bayou Corne, south of La 70
  • Surveying original south containment berm
  • March 6, 2014
    3:10 p.m. Update from the Office of Conservation

    Bayou Corne/Grand Bayou Response Activity

    Thursday, March 6 work-

    Sinkhole Activity Code 1 – indicating work is allowed on sinkhole and within containment berms. Seismic monitoring indicates continued low levels of subsurface activity near sinkhole/Oxy 3.

    Air Monitoring/Sub-slab Sampling and Ventilation

    • Conducting ventilation system inspections

    ORW/CPT Wells

    • Continuing ORW 21 pump test (north of Sauce Piquante, west of Crawfish Stew)
  • Conducting preliminary pump test on ORW 4 (northwest of containment berm)
  • Working over ORW 14 (Oxy 9 well pad) ORW 16 (west of containment berm)

  • Conducting pressure monitoring on shallow geoprobe wells

  • Containment Berm/Roads/Sinkhole

    • Conducting containment berm inspections

    March 5, 2014
    9:55 a.m. Update from the Office of Conservation

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    Bayou Corne/Grand Bayou Response Activity

    Wednesday, March 5 work-

    Sinkhole Activity Code 1 – indicating work is allowed on sinkhole and within containment berms. Seismic monitoring indicates continued low levels of subsurface activity near sinkhole/Oxy 3.

    Air Monitoring/Sub-slab Sampling and Ventilation

    • Conducting ventilation system inspections

    ORW/CPT Wells

    • Continuing ORW 21 pump test (north of Sauce Piquante, west of Crawfish Stew)
  • Conducting pump test on ORW 48 (north of containment berm) in preparation for de-watering
  • Conducting workover on ORWs 4 (northwest of containment berm) and 14 (Oxy 10 well pad)

  • Surveying settlement rods on ORW 21

  • Containment Berm/Roads/Sinkhole

    • Surveying original south containment berm
  • Sampling sinkhole water in-flow
  • Monitoring and sampling industrial water wells

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