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MMA: Human health effect factor_Inhalation_Cancer

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Biene's picture
MMA: Human health effect factor_Inhalation_Cancer

I try to calculate characterization factors for MMA. When I compared my results with the characterization factors USEtox published in a list, I realised that there was a result for Human health effect factor_Inhalation_Cancer even if I found out that MMA does not represent a carcinogenic hazard to humans. How could it be?

USEtox Team
USEtox Team's picture
Effect data for data for Methyl methacrylate

Thank you for your question.

Assuming that with "MMA" you refer to the substance Methyl methacrylate (CAS 80-62-6), the human health effect factor related to cancer [cases per kg intake] for that substance in USEtox™ is truly zero (i.e. negative carcinogenic effect in contrast to missing data, for which effect factors are given as "n/a") for both inhalation and ingestion. Hence, characterization factors based on these effect factors for that substance are also all zero.

For further information about human health effect factors see Rosenbaum et al. (2011).