I met Dr Terry Child when he was working for Chemetall. Terry also worked for Unilever, Johnson, Diversey... in R&D so he has great experience about hygien including bottle washing.
His last comment about BPA is a good overview about this issue today: http://foodbevhygiene.blogspot.fr/2012/08/bisphenol-free.html
Final EFSA opinion about BPA issue is expected end of 2013.
Its blog about others hygien aspects in HOD business looks also great: http://foodbevhygiene.blogspot.fr
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