Carbon 14

Half-life 5730 Years Emitter Beta Beta Energy 156 keV Travel distance Air: 24 cm or 10 inches Water/Tissue: 0.28mm or 0.012 inches ( ~1% of 14C betas transmitted through dead skin layer, i.e. 0.007 cm depth) Plastic: 0.25mm or 0.25 inches Annual Intake Limit Inhalation: 2000 µCi Ingestion: 2000 µCi Detection Portable Survey Meters: Geiger-Mueller…

USC is a Smoke-Free Campus

The university is committed to promoting a healthy, safe and comfortable environment for all students, faculty, staff and visitors. As of January 10, 2017, smoking is prohibited in all indoor and outdoor facilities on university owned and leased property with no exception, including within vehicles parked on those properties. Support for the USC Smoke-Free Policy,…