Charity Overwhelmed in Bid To Meet Attack Victims' Bills
Salvation Army, which raised more than $60 million to help victims of Sept 11 terrorist attacks, has been overwhelmed by response to its simple idea of providing immediate, practical assistance by paying household bills; agency's technology and processing and printing out checks could not keep up with bills pouring in, and thousands of families have now discovered their rent, car payments and other expenses were not paid at all; agency has received more than 30,000 bills from some 8,000 families, avalanche of paperwork that swamped limited personnel and quaint check-writing equipment; photo; official Alfred J Peck Jr comments on embarrassment (M)