Certified reference materials in analytical chemistry – A century of NIST contribution Stanley D. Rasberry Review Paper Pages: 95 - 99
The measurement assurance concept in calibration and traceability at NBS/NIST Brian Belanger General Paper Pages: 100 - 102
The definition of primary method of measurement (PMM) of the ’highest metrological quality’: a challenge in understanding and communication P. TaylorHeinrich KipphardtPaul De Bièvre General Paper Pages: 103 - 106
Lifetime of the traceability chain in chemical measurement I. KuselmanBoris AnisimovIrena Goldfeld General Paper Pages: 107 - 110
Measurement science at the National Bureau of Standards H. Steffen Peiser Letter to the Editors Pages: 111 - 112
Continuous dynamic-gravimetric preparation of calibration gas mixtures for air pollution measurements Dorothea Knopf PRACTITIONER'S REPORT Pages: 113 - 119
The development of gas standards and calibration techniques for measurements of vehicle, aircraft and industrial emissions, natural gas, occupational exposure and air quality P. E. HollandPeter T. WoodsDes Alphonso PRACTITIONER'S REPORT Pages: 120 - 129