1. 1 / 18 Organisation Internationale de Métrologie Légale International Organization of Legal Metrology OIML Measurements for environmental regulations J.F. Magaña, BIML Director NCSLI Salt Lake City, July 2004 OIML activities related to environmental issues J.F. Magaña, BIML Director

2. 2 / 18 Organisation Internationale de Métrologie Légale International Organization of Legal Metrology OIML Measurements for environmental regulations J.F. Magaña, BIML Director NCSLI Salt Lake City, July 2004 Environment is a major concern for citizens  Pollution has to be kept under control  Regulations have to be developed  Measurements have to be made

3. 3 / 18 Organisation Internationale de Métrologie Légale International Organization of Legal Metrology OIML Measurements for environmental regulations J.F. Magaña, BIML Director NCSLI Salt Lake City, July 2004 Many domains are concerned by environmental protection  Air pollution (emissions of pollutants in the atmosphere and resulting quality of air)  Water pollution (surface and underground water, emissions and resulting water quality)  Food products  Soil contamination  Ambient radioactivity

4. 4 / 18 Organisation Internationale de Métrologie Légale International Organization of Legal Metrology OIML Measurements for environmental regulations J.F. Magaña, BIML Director NCSLI Salt Lake City, July 2004 Many quantities have to be monitored  Gases in the atmosphere (toxic gases, greenhouse effect)  Particles in the atmosphere (soot, asbestos)  Heavy metals in water, food, soil  Hydrocarbons in water, food, soil  Chemical and biological pollutants in water, food  Ambient radioactivity, radioactivity of food products  etc.

5. 5 / 18 Organisation Internationale de Métrologie Légale International Organization of Legal Metrology OIML Measurements for environmental regulations J.F. Magaña, BIML Director NCSLI Salt Lake City, July 2004 Traceability and accuracy of measurements may be a difficulty  Quantities to detect and to measure are not always well defined (for example fibers or particles in the atmosphere)  Measurement standards do not always exist (for example toxicity of pollutants in water)  Quantities and concentrations to detect or to measure may be quite small and close to the best measurement capabilities

6. 6 / 18 Organisation Internationale de Métrologie Légale International Organization of Legal Metrology OIML Measurements for environmental regulations J.F. Magaña, BIML Director NCSLI Salt Lake City, July 2004 Where has air quality to be measured?  Air quality measurements may be made for two purposes:  surveillance of the impact of potential sources of pollution  surveillance of the resulting air quality for citizens  Air quality depends on the location of the measurement:  shall it be measured in cities at ground level?  shall it be measured in calm or windy locations?

7. 7 / 18 Organisation Internationale de Métrologie Légale International Organization of Legal Metrology OIML Measurements for environmental regulations J.F. Magaña, BIML Director NCSLI Salt Lake City, July 2004 What may be expected by citizens?  That measurements are representative of the actual nuisances and risks  That measurement results are reliable and credible:  That measurements are comparable from one location to another  That measurement results are obtained using recognized procedures and equipment  Thet measurement results are obtained with an appropriate accuracy

8. 8 / 18 Organisation Internationale de Métrologie Légale International Organization of Legal Metrology OIML Measurements for environmental regulations J.F. Magaña, BIML Director NCSLI Salt Lake City, July 2004 Metrology for the environment must be taken seriously by States  States have to prescribe references, methods, traceability and reliability requirements when environmental monitoring is prescribed  Traceability and intercomparisons for these measurements have to be organized by the States  These technical requirements must be based on recognized elements in order to increase confidence in environmental monitoring

9. 9 / 18 Organisation Internationale de Métrologie Légale International Organization of Legal Metrology OIML Measurements for environmental regulations J.F. Magaña, BIML Director NCSLI Salt Lake City, July 2004 What is the role of the OIML? The OIML is an Intergovernmental Organization which aims to increase cooperation in legal metrology:  Exchange of experience on measurement issues  Spreading technical information on measurement issues  Harmonizing practices  Fostering mutual confidence

10. 10 / 18 Organisation Internationale de Métrologie Légale International Organization of Legal Metrology OIML Measurements for environmental regulations J.F. Magaña, BIML Director NCSLI Salt Lake City, July 2004 What does the OIML provide? The OIML develops Documents and Recommendations on measurement issues of interest for States. These publications may help regulators:  To know the state of the art in environmental measurements  To provide confidence to citizens in environmental measurements

11. 11 / 18 Organisation Internationale de Métrologie Légale International Organization of Legal Metrology OIML Measurements for environmental regulations J.F. Magaña, BIML Director NCSLI Salt Lake City, July 2004 What does the OIML provide? OIML Documents and Recommendations also:  Provide users and citizens with impartial, agreed reference documents for establishing confidence in measurements  Provide manufacturers of instruments with harmonized sets of requirements which should satisfy the national authorities

12. 12 / 18 Organisation Internationale de Métrologie Légale International Organization of Legal Metrology OIML Measurements for environmental regulations J.F. Magaña, BIML Director NCSLI Salt Lake City, July 2004 What does the OIML provide? The OIML develops cooperation in legal metrology so that OIML Members may rely on each other's competencies and facilities for supporting their own competencies and facilities. This cooperation results in particular in mutual acceptance of test reports, which benefits both industrialized and developing countries.

13. 13 / 18 Organisation Internationale de Métrologie Légale International Organization of Legal Metrology OIML Measurements for environmental regulations J.F. Magaña, BIML Director NCSLI Salt Lake City, July 2004 OIML Publications on water pollution R 56Standard solutions reproducing the conductivity of electrolytes R 68Calibration method for conductivity cells R 82Gas chromatographs for measuring pollution from pesticides and other toxic substances R 83Gas chromatograph mass spectrometer/data system for analysis of organic pollutants in water

14. 14 / 18 Organisation Internationale de Métrologie Légale International Organization of Legal Metrology OIML Measurements for environmental regulations J.F. Magaña, BIML Director NCSLI Salt Lake City, July 2004 OIML Publications on water pollution R 112High performance liquid chromatographs for measurement of pesticides and other toxic substances R 100Atomic absorption spectrometers for measuring metal pollutants in water R 116Inductively coupled plasma atomic emission spectrometers for measurement of metal pollutants in water R 123Portable and transportable X-ray fluorescence spectrometers for field measurement of hazardous elemental pollutants

15. 15 / 18 Organisation Internationale de Métrologie Légale International Organization of Legal Metrology OIML Measurements for environmental regulations J.F. Magaña, BIML Director NCSLI Salt Lake City, July 2004 OIML Publications on sound level R 58Sound level meters R 88Integrating-averaging sound level meters R 102Sound calibrators R 130Octave-band and one-third-octave-band filters

16. 16 / 18 Organisation Internationale de Métrologie Légale International Organization of Legal Metrology OIML Measurements for environmental regulations J.F. Magaña, BIML Director NCSLI Salt Lake City, July 2004 OIML Publications on air pollution R 70Determination of intrinsic and hysteresis errors of gas analysers R 73Requirements concerning pure gases CO, CO2, CH4, H2, O2, N2 and Ar intended for the preparation of reference gas mixtures R 99 / ISO 3930 Instruments for measuring vehicle exhaust emissions

17. 17 / 18 Organisation Internationale de Métrologie Légale International Organization of Legal Metrology OIML Measurements for environmental regulations J.F. Magaña, BIML Director NCSLI Salt Lake City, July 2004 Other OIML Publications on the environment Food products: R 82Gas chromatographs for measuring pollution from pesticides and other toxic substances R 112High performance liquid chromatographs for measurement of pesticides and other toxic substances Soil pollution: R 113Portable gas chromatographs for field measurements of hazardous chemical pollutants

18. 18 / 18 Organisation Internationale de Métrologie Légale International Organization of Legal Metrology OIML Measurements for environmental regulations J.F. Magaña, BIML Director NCSLI Salt Lake City, July 2004 Thank you for your attention www.oiml.org