RtxPresentations07 - page 2940-2941

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Analysis of PCBCongeners –GC-MS
• European congener list:
– BZ# 28,52,101,118,153,138 and 180 resolved byCl level or
chromatographically from all others
• 1668
– All 13 congeners resolved
• McFarland andClarke congeners:
– 33 of 36 resolved (1more than best previous column–XLB )
• Aroclor congeners out of 139:
– 127 resolved (3more thanXLB)
– 9pairs are unresolved
• 209Congeners:
– 168 res lved (same number but different congeners asXLB) 1 s l