Hurricane Isaac Response

HURRICANE ISAAC RESPONSE STOLTHAVEN INCIDENT (AI#87738) BRAITHWAITE, PLAQUEMINES PARISH

DAILY UPDATE – SEPTEMBER 24, 2012

UNITED STATES COAST GUARD (USCG) & LOUISIANA STATE POLICE (LSP) HAVE DETERMINED THE RESPONSE TO THIS INCIDENT IS NOW POST-EMERGENCY AS OF 1800 hrs ON SEPTEMBER 15, 2012. USCG HAS DEMOBILIZED AS OF SEPTEMBER 19, 2012. USCG SECTOR NEW ORLEANS WILL HAVE A LIASON AVAILABLE TO LDEQ IF NEEDED. CURRENTLY, LDEQ IS THE LEAD AGENCY

 A variance request was submitted by the facility to LDEQ for the operation of a temporary flare

OFFSITE SAMPLING  Eight off-site sampling teams conducted activities today  LDEQ continuing monitoring and oversight of sampling activities  Number of offsite samples taken through 9/23/12: o Offsite surface water samples – 54 o Offsite residential soil samples – 101 o Offsite soil samples – 26 o Offsite Trench Soil Samples- 30 (Ditch adjacent to Stolthaven on Highway 39) o Outfall - 1

 Awaiting validated results for soil/sediment sampling data  CTEH provided a cumulative status summary of residential soil sampling that began on 9/13/12. Table 1 shows the number of residences, and the status of the testing (Please note this represents the number of residences. Multiple samples are taken at each residence.) TANK FARMS  SPCC Plan is in draft form  API Inspections of the external integrity of all tanks has been completed. API inspections of the external integrity of transfer lines will soon begin  Tank Farm “A” (Lubricating Oils) o Contents of secondary containment have been pumped into Tank A50-7 for storage until it can be disposed of offsite  Tank Farm “B” o Styrene Monomer tanks (B50-10 & B50-12) are stable. Portable chiller unit is currently being utilized to maintain optimum temperatures. o The cleanup/decon of Tank Farm “B” secondary containment is still ongoing. DEA contaminated sediment is being collected. Estimated completion date is 9/25/12.

OFFSITE DRUM AND TOTE RECOVERY/RECON  Container recovery and recon is currently being evaluated to address areas that have not been reconned/scouted for possible orphaned containers  Evaluation of offsite locations being conducted by LDEQ to ensure all areas have been addressed.

WASTE WATER TREATMENT PLANT  WWTP is currently being operated in a half recycle mode only. Repairs are expected to be completed tomorrow. WWTP expected to be operational on 9/25/12.  Equalization Tanks -1 (EQ-1) is being used to store possible DEA contaminated water from Tank Farm D/E. Additional samples for DEA were taken from EQ-1 today by CTEH.