Abstract
It unites it to a handy method that does the waste water with detergent load provided for by the appendix of SHASE-S218-1999(Drain ability examination method of drain standpipe system of housing complex) with a test tube. For that the test methods of foaming height was reviewed, and the size of the test tube, the shake of the test tube, and the measuring method of Foaming power etc. were experimented, and examined.
