Reigning Tour de France champion
Alberto Contador has called for anti-doping rules to be revised after
his positive test for a banned substance.
The Spaniard, who
blames contaminated food for his positive test, is provisionally banned
after clenbuterol was found in his urine sample.
"The system is in doubt and should be changed," he told Reuters news agency.
"There has to be a limit set... so that quantities as tiny as those found in my body .. do not count as a positive."
Contador,
who won cycling's most prestigious event in 2007, 2009 and 2010, has
totally rejected rumours of a possible blood transfusion during the
Tour.
"If they want to test every sample I've given in the
Tour, as many different laboratories as they want, or if they want to
freeze it for three or five years until other future tests are
scientifically validated and then check it, they can do it," he
continued. "I have nothing to hide."
The 27-year-old Team Saxo Bank rider stated the allegations had left him feeling very depressed.
"I
feel like I'm at rock bottom. I feel really let down. I'm fighting
against these accusations 24 hours of each day," he admitted.
"Right now I'm in a place I never imagined I would be, and it's not good."
An
accredited laboratory in Germany found a "very small concentration" of
clenbuterol in Contador's urine sample provided during the Tour on 21
July.
The amount of the muscle-building and fat-burning drug
was 40 times less than the benchmark figure of two nanograms which the
World Anti-Doping Agency (Wada) sets as the minimum level it must
detect to prove doping.
The sport's governing body, the
International Cycling Union (UCI), said further investigation was
needed before any conclusions could be drawn in the case.
Contador has argued that the minute traces of the banned substance found should not give rise to any automatic suspension.
"There
should be [a minimum level]... the norms have to evolve, just as they
have done for other substances like caffeine, where they changed the
regulations because they realised they weren't right," he said.
"In
the case of clenbuterol, positives should be positives because of the
quantity found, with a specific limit, not because of the substance
itself."
On Thursday, the UCI stated Contador was "formally and provisionally
suspended as is prescribed by the World Anti-Doping Code" after both
his A and B urine samples tested positive in a laboratory in Cologne.
Clenbuterol is often used in asthma medicines and has some veterinary uses.
Small outbreaks of clenbuterol poisoning - due to contaminated meat - have been reported in various countries.
On
Thursday, the UCI suspended Tour of Spain runner up Ezequiel Mosquera
and his Xacobeo team-mate David Garcia da Pena after a positive test
for the banned substance hydroxyethyl starch, taken from both men
during the Tour of Spain in September.
Both men have denied knowingly taking the substance.
"My conscience is super clear," Mosquera told reporters.
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