All sampling equipment must comply with requirements in the standard methods. Certified thermometers must be used to take samples. Certified thermometers must be accurate within two degrees Fahrenheit [1.11 degrees Celsius]. Their accuracy must be checked once during a six-month period. Certification must be obtained by a trained analyst approved by the commissioner. The analyst must maintain a log of the results of each thermometer certified. The log must contain the same information recorded on the thermometer and must show the certification history of all thermometers for which the analyst is responsible for one year. The following must be listed on certified thermometers:
N.D. Admin Code 7-03.2-03-07
General Authority: NDCC 4.1-25-50
Law Implemented: NDCC 4.1-25-26