@misc{1151006,
  author = {C Douglas Faison and Reenie M.Parris and Stanley D Rasberry},
  title = {National voluntary laboratory accreditation program: chemical calibration providers of proficiency testing:},
  year = {1999},
  month = {1999-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NIST.HB.150-19},
  language = {en},
}