The four riders were said to have tested positive for Methylphenidate (which is also known as Ritalin) a stimulant.
1982 | 1982 in music | 1982 FIFA World Cup | 1982 Lebanon War | Real C.D. España | Vuelta a España | 1982 Commonwealth Games | Conan the Barbarian (1982 film) | Supply of Goods and Services Act 1982 | 1990 Vuelta a España | Radio Nacional de España | Points classification in the Vuelta a España | 1991 Vuelta a España | 1982 in baseball | United States House of Representatives elections, 1982 | 1982 in television | The Man from Snowy River (1982 film) | Fame (1982 TV series) | 1982 Washington Redskins season | 1982 in film | 1982 ICC Trophy | 1982 European Formula Two season | Mission San Fernando Rey de España | Battle of Vuelta de Obligado | 1982 Women's Cricket World Cup | 1982 SMU Mustangs football team | 1982 NFL Draft | 1982 in sports | 1982 FIFA World Cup Final | 1982 Asian Games |
In stage 17 of the 1982 Vuelta a España, while leading the race, Arroyo was tested positive for Methylphenidate, and got a 10 minutes time penalty.