Netherlands National Drug Monitor - Research and Documentation ...

• Of the liquid samples sold as GHB, 97 percent actually contained GHB, with an
average concentration of 44 percent (by weight). The minimum concentration of
GHB solution in the liquid samples was 40 percent and the maximum was around 55
percent. In 2007 the average concentration was 42 percent.
• Interestingly, GHB appeared in powder form in 2008, whereas this was not found at
all in 2007. Nine powder samples, sold as GHB, did in fact contain the drug, with an
average content of 47 percent.
Prices
The national Trendwatch Monitor the Antenna Monitor and the DIMS project give
an indication of the price paid by consumers for a single dose of GHB or a litre of the
substance. .
• According to key observers in 2006/2007, juveniles and young adults in the social
scene generally paid 10 euro per 5 ml of GHB. Litre prices varied from 150 to 260 euro
(Nabben et al., 2007a).
• In 2008 consumers who submitted GHB samples to the DIMS, paid approximately
6 euro per 5 ml. The price paid for a litre amounted to 180 euro (Van Dijk, 2009).
142 Netherlands National Drug Monitor - NDM Annual Report 2009