Certain features of will be down for maintenance the evening of Friday August 18th starting at 8:00 pm CDT until Saturday August 19th at 12:01 pm CDT.   Please note that you still have telephone and email access to our local offices. We apologize for any inconvenience.

High Resolution Mass Spectrometry (HRMS)

Separation and identification of individual congeners requires specialized instrumentation, such as a high resolution GC column coupled to a high resolution mass spectrometer.