Measuring Stream Flow using Dye Post published:December 10, 2018 Post category:EH Photo of the Week MSEH graduate student, Jarrod Underwood, estimates streamflow using a specially formulated Xanthene dye that does not damage the environment. Greenville, NC, November 30, 2018. Photo courtesy of Guy Iverson Read more articles Previous PostDr. Richards Receives NCDPH Grant Next PostAbrasion Testing Machine for Pesticide Research You Might Also Like Calibration of Air Sampling Pumps February 11, 2019 Chemical Fume Hood Testing March 4, 2019 Respirator Challenge with Aerosolized Pesticide December 10, 2019