How do you identify the chemical agents potentially involved?
Tracing exposure to hazardous chemical agents: "Fiche de prévention des expositions à certains facteurs de risques professionnels" (Prevention sheet for exposure to certain occupational risk factors)

These are substances or products, either pure or in a mixture, which, because of their properties, are classified as DCAs (hazardous chemical agents) in article R. 4412-3 of the Code du travail .

They are classified and, where appropriate, labelled in accordance with the European Parliament's CLP regulation ( règlement CE n° 1272/2008 ) on the classification, labelling and packaging of chemicals and mixtures.

Chemical agents that are hazardous by virtue of their toxicological properties (toxic, very toxic, harmful, corrosive, irritant, sensitizing) are covered...