Customization of The Toxic Potential Indicator for Japanese Regulation

There are many measuring methods of the environment impacts. Toxic Potential Indicator is one of the simple methods to evaluate them. This method is calculated from the hazardous potential of contained materials in the productions, and they depended on law or the regulations. In this paper, we customized TPI as Japanese regulations, then compared the TPI values of metals contained in conventional solders and lead-free solders between original one and customized one. As a result, it has been confirmed that TPI method was also available in other regulations with appropriate customization