Quantum Times

Current list of MAK and BAT values presented with 61 modifications and new entries

Threshold value for bisphenol A retained / new data on N-Octyl tin compoundsThe Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) Senate Commission for the Investigation of Health Hazards of Chemical Compounds in the Work Area has presented the 2010 list of MAK and BAT values containing new data on 61 substances. These values for the classification of health hazards constituted by work area substances have been adjusted this year. Thus the Commission is using a new conversion process similar to that used at a European level (REACH) in the event that a MAK value is derived from animal experiments based upon the oral ingestion of substances. The categories that describe whether substances can cause cancer have been more clearly defined by the Commission. Substances within categories 1 to 4 bear no increased cancer risk if the MAK value is observed; category 5 lists substances that only represent a slight cancer risk if the MAK value is observed. This is particularly assessed in comparison with o

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