Practical sheet | REF: FIC1172 V1

Acute systemic toxicity: lethal doses LD50 and LC50, in vitro tests

Author: Alain LOMBARD

Publication date: May 10, 2025 | Lire en français

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    7. Abbreviations and acronyms

    • CLP: Classification Labelling and Packaging, new European classification of chemical substances

    • ECVAM: the European Centre for the Validation of Alternative Methods

    • ECHA: European Chemical Agency

    • EUDSD: European Dangerous Substances Directive (67/548/EEC), directive classifying chemical substances

    • GHS: Global Harmonization System, international system for classifying and labeling hazardous substances

    • ppm: parts per million, number of molecules of the gas in question per million molecules of air. 1 ppm = 10-6 mg per kg or gram per ton or ml per m 3 .

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