The Scientific Insights Blog - RJ Lee Group

Don’t turn away difficult stack testing projects.

Written by Peter Zemek | Oct 6, 2025 5:15:00 PM

When compounds are too complex, concentrations too low, or detection limits too strict for your FTIR or field GC, you don’t need to walk away. RJ Lee Group has a solution for Stack or Ambient projects.

With RJ Lee Group, you can subcontract the latest PTR-TOF-MS and AIMS technologies—complete with expert operators—without investing in costly equipment.

Our ultra-sensitive, real-time capabilities:

✅ Detect compounds at ultra-low part-per-trillion levels
✅ Handle difficult or exotic compounds that other technologies miss
✅ Support EPA Method 18 compliant stack testing applications
✅ Provide defensible data for permitting, compliance, and research

Why spend capital on new instrumentation when you can partner with RJ Lee Group to extend your service capabilities, win more projects, and deliver data others can’t?

Next time you consider turning away a high-stakes test due to detection challenges, remember: you can subcontract PTR and AIMS with RJ Lee Group.