#Raw Materials
ITMF-ICCTM: HVI Guidelines Updated
The major changes approved at the ICCTM meeting in Bremen included updates to the basic ASTM reference documents, a recommendation that climate data in each laboratory be averaged over a 5 to15 minute interval, cautionary guidance in the use of rapid conditioning equipment, requirements for the continuous identification of samples handled within laboratories, requirements regarding calibration material, information on within-instrument and inter-instrument variations, information about participation in CSITC Round Trials and recommendations regarding the handling of data by laboratories.
The Guidelines are available in Arabic, Chinese, English, French, Portuguese, Russian and Spanish. Copies are available at www.itmf.org and www.csitc.org.









