Français
5. Environment and safety
5.1 Regulations
Exposure limits vary from country to country. We recommend that you check the legislation for each country
The exposure limit in water or in the atmosphere is :
1 mg/m 3 for Cr 6+ ;
5 mg/m 3 for Cr 3+ ;
0.5 mg/m 3 for chromate derivatives (calcium, strontium, zinc) ;
...
The Ultimate Scientific and Technical Reference
This article is included in
Metal manufacturing processes and recycling
This offer includes:
Knowledge Base
Updated and enriched with articles validated by our scientific committees
Services
A set of exclusive tools to complement the resources
Practical Path
Operational and didactic, to guarantee the acquisition of transversal skills
Doc & Quiz
Interactive articles with quizzes, for constructive reading
Environment and safety
Economy
References
Producers (non-exhaustive list)
Aluminothermic process
Europe France DELACHAUX Metals Division http://www.delachaux.fr United Kingdom LONDON & SCANDINAVIAN Metallurgical Co ltd
Asia China HUNAN Ferroallliages China JINZHOU Ferroallliages Japan Nippon Denko
The Ultimate Scientific and Technical Reference
