What is the alcohol limit for railway operators? According to the Rail Industry Standard RIS-8070-TOM  Positive result for drugs and alcohol testing 3.4.1A ‘positive result’ shall be confirmed when a test on an individual performing safety-critical tasks shows: a) The presence of drugs with no legitimate medical need for their use or the quantity of their use; b) More than 29 milligrams of alcohol in 100 millilitres of blood; c) More than 13 micrograms of alcohol in 100 millilitres of breath; or d) More than 39 milligrams of alcohol in 100 millilitres of urine. Individual transport operators may choose to adopt more restrictive levels Note, Scotland  has the ability to set its own limits for railway safety critical staff. However, they are currently aligned to the Transport and Works Act 1992 : Blood alcohol: 80 milligrams in 100 millilitres Breath: 35 micrograms in 100 millilitres Urine: 107 milligrams in 100 millilitres Safety critical in this sense includes: Drivers Guards Conductors Signalmen Maintenance Supervisors Look-outs Anyone who can control of affect the movement of a vehicle By Rowan Poole|2023-11-01T10:51:32+00:0001/11/2023|Rail|0 Comments Share This Story, Choose Your Platform! FacebookXRedditLinkedInWhatsAppTelegramTumblrPinterestVkXingEmail About the Author: Rowan Poole Leave A Comment Cancel replyYou must be logged in to post a comment.