EN 1093-8:1998+A1:2008

Overview

EN 1093-8:1998+A1:2008 is a European Standard developed by CEN focusing on the safety of machinery and the evaluation of airborne hazardous substance emissions. This standard specifies a test bench method for measuring the pollutant concentration parameter emitted by machines under defined operating conditions. It applies specifically to the determination of emitted gases, vapours, and respirable particles. The goal is to ensure machinery meets safety and environmental regulations by accurately assessing pollutant emissions during operation.

This method supports manufacturers, testing laboratories, and regulators by providing a standardized approach for assessing machine emissions, enabling comparison, improvement, and ranking based on pollutant concentration parameters.

Key Topics

• Test Bench Method
  EN 1093-8 outlines a controlled environment where machines are operated within a cabin equipped with an air mover and funnel system to collect emissions at specified points. The test bench ensures reproducible and representative emission measurements.

• Pollutant Concentration Parameter (Pcc)
  This value represents the measured concentration of a specified pollutant in air at a precise location near the machine, primarily at the exhaust duct. It serves as an indicator of pollutant emission intensity.

• Measurement Procedure
  Machines are operated under intended use conditions. Pollutant concentration is measured at defined points inside the test cabin according to detailed guidelines. The process includes multiple test runs and considers operational cycles for accurate representation.

• Emission Types Covered
  The method is applicable for gases, vapours, and respirable particles emitted during machine operation. It excludes other emission types and highlights the importance of using EN 1093-3 (Test bench method for emission rate) where possible alongside this standard.

• Test Report Requirements
  The standard prescribes comprehensive documentation including machine description, operational data, pollution control equipment info, measurement procedures, instrument calibration, environmental conditions, test results, and confidence intervals following ISO 2602 statistics.

• Compliance with EU Directives
  EN 1093-8 supports compliance with essential requirements of EU Machinery Directives 98/37/EC and 2006/42/EC related to emissions of hazardous substances, facilitating market acceptance within the EU.

Applications

• Machinery Safety Assessment
  Helps manufacturers and safety professionals evaluate airborne hazardous substance emissions from industrial machinery to improve safety and reduce occupational exposure.

• Machine Performance Evaluation
  Enables assessment of machine design and pollution control effectiveness by comparing pollutant concentration parameters before and after modifications.

• Comparison and Ranking
  Facilitates comparison of machines within specific groups based on pollutant emissions, aiding customers and regulatory bodies in selecting safer and cleaner equipment.

• Standardization in Testing
  Provides a uniform test method for laboratories and certification bodies, enhancing consistency in results and regulatory compliance.

• Environmental and Workplace Health
  Assists in managing and reducing pollutant exposure in manufacturing and industrial environments, protecting workers’ health and ensuring compliance with environmental standards.

Related Standards

• EN 1093-1 – Selection of test methods for evaluating airborne hazardous substances from machinery.
• EN 1093-3 – Test bench method for determining the emission rate of pollutants from machines. This standard complements EN 1093-8 by focusing on emission rate rather than concentration.
• EN 292-1 and EN 292-2 – Basic concepts and general principles for machinery safety design.
• ENV 1070 – Terminology related to machinery safety, including airborne hazardous substances.
• ISO 2602 – Statistical interpretation of test results, applied here for estimating the mean value and confidence interval of pollutant concentrations.

EN 1093-8:1998+A1:2008 is an essential standard for professionals involved in the evaluation of airborne hazardous substances from machinery, enabling effective measurement, control, and management of pollutant emissions to ensure compliance with European safety directives and improve workplace safety.