With the global increase of environmental regulations in the 1970’s, European countries, Australia, and the United States began to develop odor regulations. These regulations created the need to standardize the methods of odor measurement. Some examples of these standards include: US – ASTM D-1391 (1978) and ASTM E679-91(1991), Germany – VDI 3881 (1980), France – AFNOR – X-43-101 (1986), Netherlands – NVN2820 (1996).
European versus United States Odour / Odor Standards of Evaluation
Scentroid Odour Regulation