Substance Information
Substance Information
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REACH Registration data can be found in the new ECHA CHEM database. The old ‘Registered substance factsheets’ will be available on this web site during the transition period but have not been updated since 19 May 2023. More
Substance Infocard
Work involving exposure to respirable crystalline silica dust generated by a work process
EC / List no.: -
CAS no.: -
Mol. Formula:
Regulatory context
Here you can find all of the regulations and regulatory lists in which this substance appears, according to the data available to ECHA. This substance has been found in the following regulatory activities (directly, or inheriting the regulatory context of a parent substance):
- ECHA Legislations
- Occupational Exposure limits (OELs)
- Emission Limit Values (ELVs)
- Other chemical legislations
Region | Legislation | Long-term Exposure Limit (LTEL) Values | Short-term Exposure Limit (STEL) Values | Skin Designation | Dermal Sensitization | Respiratory Sensitization | Work Sector | Effective Date | Expiration Date | Miscellaneous Notes | |||||
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mg/m3 | ppm | f/ml | mg/m3 | ppm | f/ml | ||||||||||
European Union | CMD - Carcinogens and Mutagens Directive | 0.1 |
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CMD - Carcinogens and Mutagens Directive, Annex III - OELVsEU. OELs for Certain Carcinogens, Mutagens, Reprotoxins: Annex III, Directive (EC) 2004/37 (CMRD), as amended by Directive (EU) 2024/869, OJ L of 19 March 2024
This list provides occupational exposure limit values (OELVs) for carcinogens, mutagens and reprotoxic substances pursuant to Annex III of Directive 2004/37/EC (CMRD). Employers are obligated to minimize worker exposure to these agents in so far as possible, and must arrange for medical surveillance of workers exposed to these substances.
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Carc and Muta Directive, Annex I - Substances, Mixtures & ProcessesEU. Substances, Mixtures, Related Processes: Annex I & Art. 2, Dir 2004/37/EC (CMRD), as amended by Dir (EU) 2022/431, 16 March 2022
This list contains a non-exhaustive inventory of substances based on Art. 2 carcinogen, mutagen and reprotoxin (CMR) definitions and Annex I of the Carcinogens, Mutagens and Reprotoxins Directive (CMRD). Category 1A and 1B CMRs are derived from the CLP Regulation's Table 3 of Annex VI (1272/2008/EC). Employers are obligated to minimize worker exposure to these agents as far as possible, and must arrange for medical surveillance of workers exposed to these substances.
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Protection of Pregnant and Breastfeeding Workers Directive, Annex I+IIEU. Chemical Agents: Annexes I & II, Directive 92/85/EEC on Pregnant Workers, 28 November 1992 (updated by table 3 of Annex VI to CLP, 5 October 2018)
This list contains a non-exhaustive inventory of substances to which pregnant workers and workers who have recently given birth or are breastfeeding may not be exposed. Employers are obligated to prevent the exposure of these workers to any agents that may have adverse health effects on either mother or child. The inventory originates from Table 3 of Annex VI to the CLP.
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Physical, Biological and Chemical Agents & Processes and WorkEU. Non-Exhaustive List of Banned Substances, Directive 94/33/EC on Young People at Work, 20 August 1994, as amended by Dir 2014/27/EU, March 5, 2014 (Based on Table 3 of Annex VI to CLP, inter alia)
This list contains biological and chemical agents, in accordance with Art. 7 and points 2 and 3 of the Annex to Directive 94/33/EC, to which young persons (under 18 years of age) may not be exposed at the workplace. The list is a non-exhaustive inventory of such substances based on: 1) agents of risk groups 3 and 4 under Directive 2000/54/EC; 2) Table 3 of Annex VI to the CLP Regulation; 3) and Annex I of Directive 2004/37/EC.