The number of players who have admitted using steroids in a confidential survey conducted by the NCAA since the 1980s has dropped from percent in 1989 to percent in 2003.  During the 2003 season, there were over 7,000 drug tests, with just 77 turning up as positive test results.  Scukanec claims that methods were used to get around the drug testing, whether it be avoiding the tests by using the drugs during the off-season, or flushing the drugs out of your system. This was used with a liquid he referred to as the "pink."  He stated:
For some types of testing, such as workplace testing of federal employees, there are many regulations that cover the test from collection through interpretation and reporting of results. It is important for the ordering physician, law enforcement representative, forensic professional, government entity, insurance agent, employer, and sports organization as well as for the person being tested to understand what exactly is included in the testing, how it is done, and how the results may or may not be interpreted. This process is not nearly as simple or straightforward as collecting a sample and requesting "drug testing."
There are five primary color-tests reagents used for general screening purposes. The Marquis reagent turns into a variety of colors when in the presence of different substances. Dille-Koppanyi reagent uses two chemical solutions which turns a violet-blue color in the presence of barbiturates. Duquenois-Levine reagent is a series of chemical solutions that turn to the color of purple when the vegetation of marijuana is added. Van Urk reagent turns blue-purple when in the presence of LSD. Scott Test's chemical solution shows up as a faint blue for cocaine base.