1. The role of the CCQM OAWG in providing SI traceable calibrators for organic chemical measurements

   • Katrice A. Lippa
   • David L. Duewer
   • Lindsey G. Mackay

   Review Paper 08 October 2019 Pages: 407 - 415

   

2. Non-carcinogenic health risk assessment of nitrate in bottled drinking waters sold in Iranian markets: A Monte Carlo simulation

   • Bahram Kamarehie
   • Ali Jafari
   • Azim Alinejad

   General Paper 29 July 2019 Pages: 417 - 426

   

3. First Indonesian proficiency testing using reference value from isotope dilution mass spectrometry method for benzoic acid, methyl paraben, and n-butyl paraben in sweet soy sauce

   • Nurhani Aryana
   • Dillani Putri Ramadhaningtyas
   • Yosi Aristiawan

   General Paper 01 August 2019 Pages: 427 - 435

   

4. Designing a formulation of synthetic wastewater as proficiency testing sample: a feasibility study on a laboratory scale

   • Fransiska Sri Herwahyu Krismastuti
   • Nuryatini Hamim

   General Paper 03 August 2019 Pages: 437 - 441

5. Modelling European quality assurance procedures for analysers monitoring emissions under the EU’s Industrial Emissions Directive

   • Thomas O. M. Smith
   • Rod A. Robinson
   • Marc D. Coleman

   General Paper Open access 19 August 2019 Pages: 443 - 449

   

6. Measurement of organochlorine pesticides in drinking water: laboratory technical proficiency testing in Mexico

   • J. B. Leyva-Morales
   • P. J. Bastidas-Bastidas
   • G. Huerta-Beristain

   Practitioner's Report 07 August 2019 Pages: 451 - 461

   

7. Upgrading the Iranian national laboratory standard to conform to ISO 15189:2012

   • Nooshafarin Safadel
   • Parisa Dahim
   • Shahla Farsi

   Legislation and Norms 31 July 2019 Pages: 463 - 470