TS EN 1540

TS EN 1540 is a terminology standard that brings together the terms and definitions used when assessing exposure to chemical and biological agents in workplace air. In practical technical work, this kind of standard provides a common language for describing exposure-related concepts so that measurements, assessments and reporting can be understood consistently across users and organisations.

A common language for exposure assessment

In the workplace air field, exposure is tied to how workers may come into contact with chemical or biological agents through inhalation and, more generally, through the surrounding air environment. Terminology standards help separate closely related ideas such as measured concentration, personal exposure, area sampling and assessment purpose. That distinction matters because the same measurement result can have different technical meanings depending on whether it describes a source, a workplace condition or an individual worker’s exposure.

What this document covers, and what it does not

According to the supplied scope, this standard covers terms and definitions related to the assessment of workplace exposure to chemical and biological agents. It is therefore a conceptual reference rather than a prescriptive method standard: it does not, by itself, define a specific sampling procedure, numerical limit value or test protocol. This listing is also marked as withdrawn, so it should be understood as a terminology framework for the subject rather than a current technical requirement document.

• Common terminology for chemical and biological agents
• Definitions focused on workplace air exposure assessment
• Consistent use of concepts in measurement and interpretation
• A terminology framework, not a method, limit or equipment standard