51.   Bill Randle, chairman of the Smart Card Alliance Inc., an industry trade group, said security concerns about the program are exaggerated.

52.   Brazilian officials, however, make clear that they have no intention of letting the trade group disintegrate.

53.   ----- One spur for Plotkin is competition, both from Silicon Valley and from a rival trade group in Massachusetts.

54.   .air - International Air Transport Association, a trade group.

55.   .co-op - National Cooperative Business Association, a trade group.

56.   A committee that helped to develop the rule included members from seven trade groups representing the oil, natural gas and pipeline industries.

57.   A decline in cattle slaughter pushed prices higher, the trade group said earlier this week.

58.   A delay on the cloning bill would favor proponents of the work, said Carl B. Feldbaum, president of the Biotechnology Industry Organization, a trade group.

59.   A less official option is to register with the Direct Marketing Association, a trade group.

60.   A mail bomb exploded Monday in the offices of a forest-products trade group in Sacramento, Calif., killing one person, officials said.