On the other hand, the court concluded that EPA had not acted arbitrarily or capriciously in choosing advanced secondary treatment as the increment beyond secondary treatment for the POTW comparison test.

• 然而，法院得出结论，在选择深度二级处理作为超越二级处理的增值，其目的又是为了饮用水比较检验，环境保护局并没有武断或多变的表现。