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Appendix EData on West Coast Lightering Operations and Incidents
TABLE E-1 Summary of Oil Spills, California, 1992 to 1997
a 34 incidents occurred during bunkering and accounted for 1,783 gallons. The largest spills were 1,000 gallons during the bunkering of a warship and 1,974 gallons during the loading of a barge. Source: California State Lands Commission
TABLE E-2 Summary of Oil Spills, Washington State, 1992 to 1997
No spills on record during lighterings.
Recent spill data indicates that approximately:
75 percent was from vessels
18 percent was from shore facilities
7 percent was from pipelines
Causes:
56 percent organization/management deficiencies
20 percent equipment failures
24 percent human error
There are no indications or records of any spills as a result of lighterings
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Appendix E Data on West Coast Lightering Operations and Incidents
TABLE E-1 Summary of Oil Spills, California, 1992 to 1997
Terminals
Vesselsa
Year
Incidents
Quantity (gallons)
Incidents
Quantity (gallons)
1992
18
1,777
18
1,256
1993
20
1,088
16
479
1994
16
507
17
679
1995
20
228
28
3,158
1996
12
339
12
286
1997
9
163
9
461
Totals
95
4,102
100
6,319
Attributable to: Pipelines
11
3,009
V/L Ops.
4,266
a 34 incidents occurred during bunkering and accounted for 1,783 gallons. The largest spills were 1,000 gallons during the bunkering of a warship and 1,974 gallons during the loading of a barge. Source: California State Lands Commission
TABLE E-2 Summary of Oil Spills, Washington State, 1992 to 1997
No spills on record during lighterings.
Recent spill data indicates that approximately:
75 percent was from vessels
18 percent was from shore facilities
7 percent was from pipelines
Causes:
56 percent organization/management deficiencies
20 percent equipment failures
24 percent human error
There are no indications or records of any spills as a result of lighterings
Source: Washington Department of Ecology
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TABLE E-3 Chevron, Summary of Lightering, West Coast
Lightering
Quantity of Oil
Spills (gallons)
Offshore
San Clemente
1970–1979
250
75,000,000 Bbls.
0
Pacific Area Lightering
1996–1997
22
40,000,000 Bbls.
0
Inshore
L.A. Harbor
1980 to date
70
17,000,000 Bbls.
0
San Francisco Bay
1992–1997
57
8,000,000 Bbls.
0
Totals
399
140,000,000 Bbls.
0
Source: Chevron Shipping Co.
TABLE E-4 British Petroleum, Summary of Lightering, West Coast, 1987–1997
Lightering
Quantity of Oil
Spills (gallons)
Long Beach Harbor
98
34,855,585 Bbls.
5
San Francisco Bay
14
1,420,004 Bbls.
0
Puget Sound
159
27,241,360 Bbls.
0
Totals
271
63,000,000 Bbls.
0
Note: One spill (not related to lightering) was caused by a fracture in the bottom hull plate of a barge.
Source: British Petroleum
TABLE E-5 Exxon, Summary of Lightering, West Coast, San Francisco Harbor, 1992–1997
Year
Lightering
Quantity of Oil
Spills (gallons)
1991
187
40,765,767 Bbls.
0
1992
190
44,341,669 Bbls.
0
1993
187
42,298,141 Bbls.
0
1994
182
42,752,591 Bbls.
0
1995
189
44,825,615 Bbls.
0
1996
178
43,251,976 Bbls.
0
1997
103
23,269,520 Bbls.
0
Totals
1216
281,505,279 Bbls.
0
Source: Exxon
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TABLE E-6 Summary of West Coast Lightering
Lightering
Quantity of Oil
Exxon
1,212
281,500,000 Bbls.
British Petroleum
271
63,000,000 Bbls.
Chevron
399
140,000,000 Bbls.
Totals
1,882
484,500,000 Bbls.
Note: Total of 5 gallons was spilled due to a hull crack in a barge.
TABLE E-7 Chevron's Overall Lightering Experience, 1970 to 1997
Barrels Lightered
Lighterings
Spills (barrels)
Pascagoula
1,700,000,000
4,550
10
Other U.S. Gulf
120,000,000
360
Pacific Area Lightering (1996–1997)
30,000,000
32
Other West Coast
100,000,000
380
Totals
1,950,000,000
5,322
10
Figure E-1
San Francisco Bay lightering, 1997.
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