A soon-to-be-published ASTM standard, D8001, Test Method for Determination of Total Nitrogen, Total Kjeldahl Nitrogen by Calculation, and Total Phosphorus in Water and Waste Water by Ion Chromatography, will allow for the simultaneous analysis of total nitrogen and total phosphorus in water. All interested parties are invited to participate in a projected round-robin study to validate the new standard. ASTM welcomes participation in the development of its standards. To become a member, visit www.astm.org/JOIN.

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