Toxicological evaluation and limit values for Methyl-tertiary-butyl ether (MTBE), Formaldehyde, Glutaraldehyde, Furfural9. C-valueA limit value of 0.001 mg/m3 has been calculated. For substances having acute or subchronic effects, but for which activity over a certain period of time is necessary before the harmful effect occurs, the C-value is set at the limit value. A C-value of 0.001 mg/m3 and placing in Main Group 1 is proposed. Glutaraldehyde is to be placed in Main Group I, because of the similarities in the toxicity between glutaraldehyde and formaldehyde, which is placed in Main Group 1. C-value 0.001 mg/m3, Main Group 1.
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