I had some blood drawn last Wednesday to be tested for celiac disease. How long should I wait to call them. Usually they call me if anything is wrong but I haven't heard anything. I suppose the results could be negative and I have nothing to worry about but either way I want to know.
NIST is a non-regulatory federal agency founded in 1901 within the U.S. Commerce Departmentâs Technology Administration whose mission is to develop and promote measurement, standards, and technologies to enhance productivity, facilitate trade, and improve the quality of life of Americans.ith NIST traceable calibration, any measurements taken with a certified thermometer will have: 1  An unbroken chain of measurements that leads back to NIST maintained standards. 2  Known and documented uncertainties for each step in the chain.
NIST Director, NIST provides a number of other sources of information on the SI in addition to NIST. SP 330. These include NIST Special Publication 811, Guide for the Use of the International System of. Units (SI), by Ambler Thompson and Barry N. Taylor; and NIST Special Publication 814, Interpretation of the SI for the United States and Metric Conversion Policy for Federal Agencies, Barry N. Taylor, Editor. Further, NIST SP 330, NIST SP 811, the aforementioned Federal Register.