Reference document on the General Principles of Monitoring Michael Parth Tallinn – Estonia 27 – 28 March 2008

Background Article 9(5) of the IPPC Directive Horizontal document Link with the work of other organisations (IMPEL, CEN, EPER,…) TWG of about 45 members Finished in 2002

Timeline of the Work Kick-off meeting June 98 1st draft January 99 2nd draft October 00 Intermediate TWG meeting November 00 3rd draft October 01 Final TWG meeting May 02 4th draft June 02 Final draft September 02

Main difficulties overcome Definition of the scope Definition of the structure Harmonisation Contributions

Objectives of the document Provide information to guide IPPC permit writers and operators when setting/proposing monitoring conditions associated to ELVs Improve comparability and reliability of monitoring data

Different types of monitoring Emission monitoring Process monitoring Impact monitoring

Monitoring issues to consider in issuing IPPC permits “Why” monitor? “Who” carries out the monitoring? “What” and “how” to monitor “How” to express ELVs and monitoring results Monitoring timing considerations How to deal with uncertainties Monitoring requirements to be included with ELVs in permits

Accounting for total emissions Emissions from point sources Fugitive and diffuse emissions Exceptional emissions Values under the limit of detection Outliers

Data production chain Comparability and reliability of data The steps of the data production chain 1. Flow/amount measurement 2. Sampling 3. Sample storage, transport and preservation 4. Sample treatment 5. Sample analysis 6. Data processing 7. Reporting Data production chain for the different media

Different approaches to monitoring Direct measurements Surrogate parameters Mass balances Calculations Emission factors

Compliance assessment 3 items: the measurement uncertainty ELV 3 categories: compliant borderline non-compliant

Reporting of monitoring Requirements Audiences Responsibilities Scope of the report Type of report Good reporting practices Quality considerations

Costs of emission monitoring Cost-effectiveness Shared monitoring costs Elements of costs

Conclusions Scope and structure were difficult to set General document with no specific details Increase awareness on important monitoring issues No BAT, some Good Practices

Thank you for your attention!