WEAPONS MONITORS UPBRAID IRAQ U.N. COMMISSION IS PARTICULARLY CONCERNED ABOUT ITS EXISTING BIOLOGICAL ARESENAL.(MAIN)

Byline: BARBARA CROSSETTE New York Times

UNITED NATIONS Setting the stage for a Security Council debate next month on easing sanctions against Iraq, the head of a commission monitoring the elimination of Iraq's weapons of mass destruction said Tuesday that Baghdad was falling ``far short'' in some areas.

Of particular concern are questions about existing biological weapons.

These are difficult to answer because Iraq has been reluctant to provide information on past production.

Questions also remain about chemical weapons and the purpose of one radar installation that the commission has ordered destroyed. Most of the missing …