Septic or soakage pits can be used for secondary treatment.

In the third step, the specimen is then placed in a bath of liquid polymer, such as silicone rubber, polyester or epoxy resin.

In Morocco, the first cannabis surveys conducted in the Rif region in 2003 and 2004 confirmed the country as one of the world's leading cannabis producing and exporting countries, supplying 80 per cent of cannabis resin seized in Europe.