LOS ANGELES, JUNE 12 -- The Athletics Congress -- the governing body for U.S. track and field -- has drug enforcement policies that are flawed and inconsistent, according to documents obtained by a newspaper.

The Los Angeles Times, citing documents it obtained last week, reported in today's editions that TAC, among other things, selectively enforced positive tests for drugs, circumvented its own protocol and bylaws when convenient and simply forgot about reported drug positives.

The TAC national championships started today at Cerritos College in nearby Norwalk. The meet is sponsored by Mobil and the Times.

The documents show many of the positive drug tests now reveal stimulants rather than steroids, the Times reported.

Robert Voy, formerly chief medical officer for the U.S. Olympic Committee, told the paper he believes stimulant abuse is rampant among such as sprinters and jumpers.

During January and February, 12 athletes were found to have taken one of the stimulants pseudoephedrine, ephedrine or phenylpropanolamine, according to a USOC report for the first quarter.

The Times reported that two positive tests for ephedrine were declared void in a letter from Ollan C. Cassell, TAC executive director, to Harvey W. Schiller, executive director of the U.S. Olympic Committee.

That decision contradicted TAC rules. Citing USOC, International Amateur Athletic Federation and International Olympic Committee rules, Cassell said the tests indicated inadvertent use because of the low levels that were found.