Sounder commuter rail. Sounder commuter rail (reporting mark SDRX) is a regional rail service operated by BNSF on behalf of Sound Transit. Service operates Monday through Friday during peak hours from Seattle, Washington, north to Everett and south to Lakewood.
Expert: Dr. David replied 3 years ago. clonazepam has a half life of between 20-50 hours. that means that there is a pretty good chance that in 2.5 days it might be detected in your urine.
David - I'm not sure what you are really trying to find out. If you are concerned about passing a urine screen it will depend on the sensitivity of the test used and you are not likely to find anyone who will volunteer that info. Klonopin has a half-life of up to 50 hours. That means that half of the active metabolite is still in the system after 50 hours, half of that half is still present after 100 hours and so on. Rick Wirtz. Rick Wirtz is a Psychologist, not a Psychiatrist.