Water (50 ml minimum, 250 ml preferred)
MON | TUE | WED | THU | FRI
Screen for nitrates, pH, total dissolved salts (TDS), and sulfates by spectroscopy, gravimetric, and other additional methods.
The sample may be stored in the fridge, but an ice pack during shipping is not required. No time restrictions on sample viability, but typically water should be analyzed within a few days
Sample water in a clean, plastic container; rinse several times using water source before sampling. See Water Collection and Submission Guide, Nitrate Poisoning of Livestock, and/or Livestock Water Quality for additional information. Analysis of water for animal and livestock consumption only. Analysis of water for human consumption must be performed by a laboratory certified by the North Dakota Department of Health.