POSTSCRIPT
Letters
Author's reply
Correspondence to:
Vincent Cogliano, Head, IARC Monographs Programme, International Agency for Research on Cancer, Lyon, France; cogliano@iarc.fr
| The first 150 words of the full text of this article appear below. |
I would like to clarify two points from the response by Dr Crosignani on the IARC Monographs as a resource for precaution and prevention. First, the new formaldehyde Monograph1 strengthened the evaluation of formaldehyde, and it would be a mistake to ignore formaldehyde as a workplace or environmental health hazard. The Monograph raised the classification from "probably carcinogenic" (Group 2A) to "carcinogenic to humans" (Group 1), the first time formaldehyde was so classified by any health agency. It also used the word "strong" in characterising the evidence on leukaemia, the first time concern was extended beyond the respiratory tract.
Second, readers should understand that the new Preamble had nothing to do with identification of tumour sites for formaldehyde. Work on amending the Preamble2 began the year after the June 2004 Monograph meeting on formaldehyde. Many earlier Monographs had identified tumour sites with sufficient evidence in humans, and three Advisory
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