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 This is estimated using a typical purity level of 4%, based on drug seizures in recent years. The number of straws that are actually made may vary according to the purity level of heroin used in the straws.
IMMIGRATION & CHECKPOINTS AUTHORITY
CENTRAL NARCOTICS BUREAU
About 3.7kg of heroin and 1kg of cannabis were seized at the Woodlands Checkpoint (Photo: CNB)