3 CASE STUDIES - POTENTIALLY POLLUTING WRECKS SS JACOB LUCKENBACH SS PALO ALTO F/V MWAALIL SAAT

SS JACOB LUCKENBACH BUILT ’ x 69.6’ x 29.5’ SUNK IN 1953 in 175 FT OF WATER GULF OF THE FARALLONES NATIONAL MARINE SANCTUARY WATER TEMPERATURE 45-50° F vs POUR POINT 59° F OIL SPECIFIC GRAVITY – 1.023

GFNMS WRECKSITE

RESULT OF THE ASSEMENT PHASE COMPUTER GENERATED MODEL OF THE SS JACOB LUCKENBACH ON THE SEA BED

OIL IN AFT TANKS AND HOLD 5 SHAFT ALLEY

OIL IN 5A DEEP TANKS

SUMMARY OF CALCULATIONS OF RESIDUAL OIL Wedge Tank/Space Length Volume Estimate Tank/SpaceArea (Sq-Ft)(Frames)(Feet)Cu-FtGalsNote UPPER TWEEN DK – PORT HOLD 5 – PORT DEEP TANK 5 – PORT DEEP TANK 5A – PORT HECSALV ,471 DB TANK 6 – PORT DB TANK 6 – STBD DEEP TANK 5 – STBD DEEP TANK 5A - STBD HECSALV ,833

LEAKING VENTS DETERIORATION IN BULKHEAD MIGRATION OF OIL FROM LEAKING TANK VENTS ON PORT SIDE NO 4 HOLD NO. 5 HOLD NO 4 LOWER TWEEN NO 5 UPPER TWEEN DP TK 5 P DP TK 5A P OIL

Open Vent – ROV ObservationDischarge from Pump to 5A Pump Location Oil “Wedges” Trapped Between Frames Pump Hose Frame 155 Window - Complete 8/5/02 Frame 161 Window - Cleared Frame 171 Window - Cleared Proposed Access for Tween Deck Overhead Oil DT 5A (P) HOLD 4 UPPER TWEEN FRAME 149 FRAME 171 DT 5 (P) LOOSE OIL COLLECTION

HOT TAP & PUMP ARRANGEMENT

THE OIL’S VIEW OF STEAM INJECTION LANCE

STEAM CONVECTION HEATER FITS THROUGH 6 INCH HOT TAP OPENING

SS JACOB LUCKENBACH 85,000 GALLONS RECOVERED 10 MONTHS $19M

SS PALO ALTO BUILT 1919 OF REINFORCED CONCRETE 434’ x 54’ x 36’ AMUSEMENT ATTRACTION 505 GALLONS WASTE OIL RECOVERED $1.8M

Mwaalil Saat 93’ LONG LINER 2004 SANK DURING TYPHOON TINGTING 2005 DE-FUELED, CUT-UP & REMOVED 200 GALLONS WASTE OIL REMOVED $3.5M