Nokia and Sony Ericsson are among those voluntarily phasing out other dangerous substances not covered by RoHS.
Hence anti-doping regulations allow for retrospective testing of samples with new technologies for substances not previously detectable.
But Tygart said the 30-day window would still allow an athlete plenty of time to dope with illegal substances not detectable by urine testing.
More than 280 new synthetic substances not covered by the existing drug laws have been identified by the European Monitoring Centre for Drugs and Drug Addiction.
For one, the tests are showing that large numbers of pain patients are not taking prescribed drugs or are taking substances not given them by a doctor.
In his book Traité élémentaire de chimie (1789; Elementary Treatise on Chemistry), Lavoisier identified 33 "elements"—substances not broken down into simpler entities.
Well-known instances are the many cases of insect resistance to pesticides, which are synthetic substances not present in the natural environment.
These include transportable substances in the plant itself: plant hormones (such as auxin), carbohydrates, nitrogenous substances, vitamins, and substances not yet identified.
Their report read: "The ACC has identified specific high-performance staff, sports scientists and coaches within some codes who have condoned and/or orchestrated the administration of prohibited substances, and substances not yet approved for human consumption, to players.
No one told him he was facing allegations that he had used performance-enhancing substances, not his long-time agent and lawyer, not the players association, not the commissioner, not George J. Mitchell.
A particular phenomenon associated with the rates of chemical reactions that is of great theoretical and practical interest is catalysis, the acceleration of chemical reactions by substances not consumed in the reactions themselves substances known as catalysts.
