Labels:box | earth | fence | hakham | mountain | poster | sky OCR: The 1990s By 1990 23 states had passed their own 1.6 gallon per flush codes and most manufacturers had at least one model available But 11 important to note that many manufacturers had not tak en the warning from Massachusetts and started to develop these products before they were requir 'ed The result was that many of the early models were too hastily designed and had performance problems as result. 1992 an amendment to the National Energy Act was passed making national law that no manufacturer was allowed to make toilets for U.S consumption which used more than gallons per flush. This increased the pressure on Manufacturers rush new product development. The result was that many unw ary plumbers and end users had problems with hastily designed models so they reached conclusions based on t ...
