TfL Ref 0051-2021/22 Thank you for your request received by Transport for London (TfL) on 10 April 2021 asking for information about what testing London Underground carries out for drugs and alcohol with its employees. Your request has been considered in accordance with the requirements of the Freedom of Information Act and our information access policy. I can confirm that we hold the information you require. You asked: Please can you confirm what testing London Underground does for drugs and alcohol with its employees? Specifically what drugs they test for. I understand that this is due to be changed, which drugs are they testing for that they haven’t been before? We haven’t changed the drugs we test for however we are discussing a pilot looking at a wider panel of drugs being tested, but this has not been agreed upon or determined. We currently test for the following drugs: Amphetamines Ketamine Benzodiazepines Cannabis Cocaine, Methadone Opiates Propoxyphene Barbiturates MDMA The cut off point for alcohol is less than 13 micrograms in 100ml of breath. If you are considering submitting a further FOI request please think carefully about whether the request is essential at this current time, as answering FOI requests will require the use of limited resources and the attention of staff who could be supporting other essential activity. Where requests are made, please note that our response time may be impacted by the current situation. If this is not the information you are looking for, or if you are unable to access it for any reason, please do not hesitate to contact me. Please see the attached information sheet for details of your right to appeal as well as information on copyright and what to do if you would like to re-use any of the information we have disclosed. Yours sincerely Sara Thomas FOI Case Management Team General Counsel Transport for London