L40 Manual Measurement of air emissions
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L40 provides concrete tools for setting quality requirements on the measurements upon issue of permits. The manual is accompanied by factsheets to be used during inspections.
This publication describes the general and quality-assurance aspects of measuring air emissions from stationary sources. Measurements of air emissions play an important role in monitoring, in showing that an installation meets the specified emission limit values and in emissions trading. However, the performance of air emission measurements is fairly complex. Competent authorities can play a major role in promoting the reliability of measurement data. This can be done by focussing on the quality of air emission measurements during inspections and permitting.
The manual L40 describes the general and quality-assurance aspects of measuring air emissions from stationary sources (and therefore not air quality measurements or immission measurements). The manual is accompanied by several factsheets. These factsheets describe, per measurement standard (type of measurement), the specific quality-determining factors for the type of measurement in question.
The manual and factsheets are intended to support the competent authority. They can be used in assessing the quality of the air emission measurements that are performed to check the emission limit values specified in permits and in the law and regulations. They also serve as concrete tools for setting quality requirements on the measurements upon issue of permits.
The manual and factsheets are expressly not intended to replace the original measurement standards or to replace the accreditation of measurement bodies. The assessment of the quality of air emission measurements is fairly complex. The users of this manual and the factsheets should therefore have a certain technical background and, preferably, some practical experience.
