Laboratory for AMS Radiocarbon Preparation and Research (NSRL)
NSRL works in collaboration with accelerator mass spectrometry (AMS) measurement facilities to provide state-of-the-art radiocarbon preparation and measurement services to the local University and Federal research communities.Ìý The lab also pursues in-house research on applications ofÌý14C dating to climate change studies, calibration of theÌý14C timescale, and the use ofÌý14C as a geochemical and geophysical tracer in the Earth system.
![Photo of Scott Lehman](/instaar/sites/default/files/styles/square_thumbnail_image_style/public/page/scott-lehman-adjust2.png?h=339d94ba&itok=KgihTmXt)
Scott Lehman
Director
![Photo of Chad Wolak](/instaar/sites/default/files/styles/square_thumbnail_image_style/public/page/wolak_chad.png?h=fcf82302&itok=wB4xZZ0y)
Chad Wolak
Lab Manager
![Photo of Patrick Cappa](/instaar/sites/default/files/styles/square_thumbnail_image_style/public/page/cappa_patrick.png?h=08ebca18&itok=3oNwbWWa)
Patrick Cappa
Research staff
![Photo of Steve Morgan](/instaar/sites/default/files/styles/square_thumbnail_image_style/public/page/morgan_steve.png?h=c7e0f18d&itok=hmFuA1xg)
Steve Morgan
Research staff
![Photo of Michael Dyonisius](/instaar/sites/default/files/styles/square_thumbnail_image_style/public/page/MichaelDyonisius.png?h=db178bcf&itok=nHUGeMIB)
Michael DyonisiusÌý
Research scientist
- Colin Lindsay, Postdoctoral Investigator, 2016-2018
- Nicole Trahan, Postdoctoral Investigator 2012-2014
- John Knowles, Guest Investigator 2012-2015
- Sean Bryan, GRA 2010-2014
- Jocelyn Turnbull, GRA, PRA 1997-2006; now at National Isotope Center, New Zealand
- Trevor Popp, PRA, now at Niels Bohr Institute, Denmark
Contact & Services
Lab phone: 303 492-0362
Please contact Chad Wolak, Laboratory Manager, 303 492-5019 regarding routine sample submissions.
![Chad Wolak packs samples. Photo by Ethan Welty](/instaar/sites/default/files/styles/medium_750px_50_display_size_/public/page/chad-radiocarbon%20%281%29.jpg?itok=eX1SDTCG)
Chad Wolak packs radiocarbon samples. Photo by Ethan Welty.Ìý
Collaboration
NSRL maintains an active collaboration with the NOAA’s Boulder-basedÌýÌý(GMD) aimed at development and use of ultra-preciseÌý14C measurement in CO2Ìýas a quantitative tracer for recently-added, fossil fuel derived CO2Ìýin the atmosphere.
Media stories
- Climatologist Pieter Tans joins INSTAAR (2022)
- Lawns and landscaping complicate taking the measure of Los Angeles Basin’s carbon footprintÌý(2020)
- Tracking fossil fuel emissions with carbon-14Ìý(2020)
- Ìý(2018)
- Ìý(2017)
Publications
Publications by Lehman can be found on .Ìý Those by Dyonisius are included below.