‘Illegal’ drugs (‘accidental exposure’ – zero tolerance approach) | | Threshold limit in blood |
benzoylecgonine (ecgonine benzoate)[main metabolite of cocaine] | | 50µg/L |
cocaine | | 10µg/L |
delta-9-tetrahydrocannibinol (cannabis) | | 2µg/L |
ketamine | | 20µg/L |
lysergic acid diethylamide (LSD) | | 1µg/L |
methylamphetamine (Crystal Meth) | | 10µg/L |
Methylenedioxymethamphetamine (MDMA) | | 10µg/L |
6-monoacetylmorphine (Heroin) | | 5µg/L |
‘Medicinal’ drugs (risk based approach) | | Threshold limit in blood |
amphetamine (regulations were recently laid with the proposed limit and expected to come into force after 2 March 2015) | | 250µg/L |
clonazepam | | 50µg/L |
diazepam | | 550µg/L |
flunitrazepam | | 300µg/L |
lorazepam | | 100µg/L |
methadone | | 500µg/L |
morphine | | 80µg/L |
oxazepam | | 300µg/L |
temazepam | | 1,000µg/L |