Hear Ellen Campbell speak about Enzymatic Nitrate Testing and our Handheld Photometer in Raleigh, NC and Baltimore, MD!

June 4-8, 2017 Ellen Campbell will be in Raleigh, NC. She will be giving a talk on the NECi photometer at the Annual Meeting of the Society of Freshwater Science. See Conference details here.

June 24, 2017, in Baltimore, MD: Ellen will be talking about EPA validation of our nitrate method. Learn more about the Chesapeake Water Environment Association here.