That 50% figure was directly linked to detergents. That means approximately 200 grams per inhabitant, which is the equivalent of one cup per capita, per year, roughly. That's what you're talking about.
A little earlier, my colleague talked about regulations that concerned not only the phosphates in soaps, but the industry as a whole, whether it be for agriculture and so on. Consequently, why introduce a bill that ultimately attacks a very small part of the blue algae problem?