The seven-time Tour de France winner announced last month that he is return to the sport next year in an effort to raise awareness about cancer.

Armstrong, who enjoyed the biggest success in his career after recovering from testicular cancer, has been dogged by rumours that he used banned performance-enhancing drugs, including from former World Anti-Doping Agency (WADA) president Dick Pound.

In an effort to prove these are false, Armstrong has employed Don Catlin, the former head of the WADA-accreditted laboratory in Los Angeles, that he is clean.

Catlin oversaw the drug testing procedures at the 1984 Los Angeles and 1996 Atlanta Olympics and is best known for being the man that developed the test for the detection of Tetrahydrogestrinone (THG) that led to a number of athletes linked to the Bay Area Laboratory Co-Operative (BALCO), including Britain's Dwain Chambers and the United States Marion Jones, being caught in one of the biggest doping scandals in history.

In an interview published in today's issue of Cycling Weekly, Catlin said that he would develop a programme to monitor whether Armstrong was using drugs during his comeback and planned to make everything public.

He said: "Fundamentally what I intend to do is follow his haemagoblin and haematocrit, and parts of the indices that the UCI (International Cycling Union) and others use to tell what athletes are doing.

"But I also have planned other things that have not been done before. 

"I will obviously be testing him for EPO (erythropoietin), and if things go well we will put his electropherograms out on the web.

"One of the real reasons I am involved is because of the enormous educational aspect of this programme.

"We are literally going to put this information out on the web and that's going to bring in lots of questions.

"So it's an opportunity to teach people about doping and what these ratios in people's blood values mean.

"I'm expecting people to write in and say, 'Why don't you test him for such-and-such?' and I'll be able to answer that, and I'll think about everything that people suggest."

Catlin has been criticised for working with Armstrong.

He told Cycling Weekly: "I've worked with a lot of people, but Lance Armstrong is somebody that brings in all kinds of extra questions and issues.

"You have got to be prepared for that. I have thought this all through for quite a while and, for me, you have to turn a page, and whatever we're doing today has nothing to do with the past, whatever that past may be. 

"In his current position, where he's got so much going for him, and so much involvement with the cancer campaign, and appearances with [former United States President] Bill Clinton and so forth, he'd be stupid to walk in with a positive drug test."

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