Follow-up assessment report on aniline: synonyms


Synopsis

More than 28 tonnes of aniline and its salts were manufactured as a by-product of chemical manufacturing in Canada in 2007. Between 13 and 48 tonnes of aniline and aniline salts were imported into Canada in the period 2000 to 2007. Aniline may be released during the production and use of rubber products but specific monitoring data are not available.

Aniline was included on the first Priority Substances List (PSL) under the 1988 Canadian Environmental Protection Act (CEPA) for assessment of potential risks to the environment and human health. As outlined in the assessment report released in 1994, relevant data identified before June 1993 were considered insufficient to conclude whether aniline met the criterion relating to human health under paragraph 11(c) of CEPA.

Additional data relevant to characterization of exposure of the population of Canada have become available since 1994. The available monitoring data in environmental media and food are sufficient to serve as a basis for derivation of average and upper-bounding estimates of exposure for the general population. The predominant route of exposure is from dietary intake as aniline is present in some fruits and vegetables, including apples. In addition, information on the presence of aniline in consumer products (cooking utensils used in food preparation, some permanent markers) was sufficient to estimate exposure from the use of these products.

On the basis of consideration of a comparison of average and upper-bounding estimates of exposure of the general population to the Tolerable Daily Intake derived for aniline, it is proposed that aniline is not entering the environment in a quantity or concentration or under conditions that constitute or may constitute a danger in Canada to human life or health.

This substance will be included in the upcoming Domestic Substances List inventory update initiative. In addition and where relevant, research and monitoring will be undertaken to confirm assumptions used during the screening assessment.

Based on the information available, it is proposed that aniline does not meet criterion defined in Paragraph 64(c) of the Canadian Environmental Protection Act, 1999 (CEPA 1999).

 

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