Copyright by the American Petroleum InstituteMon Feb 05 09:33:30 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:02 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:02 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:02 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:03 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:03 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:03 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:03 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:04 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:04 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:04 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:05 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:05 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:05 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:06 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:06 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:06 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:07 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:07 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:07 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:08 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:08 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:08 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:09 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:09 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:09 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:10 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:10 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:10 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:10 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:11 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:11 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:11 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:12 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:12 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:12 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:12 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:12 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:13 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:13 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:13 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:13 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:14 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:14 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:14 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:14 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:15 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:15 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:15 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:15 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:15 2001

Copyright by the American Petroleum InstituteMon Feb 05 09:34:16 2001