Best Professional Judgment
Best Professional Judgment : The method used by permit writers to develop technology-based?NPDES?permit conditions on a case-by-case basis using all reasonably available and relevant data. Acronym: BPJ. NPDES: A national program under Section 402 of the Clean Water Act for regulation of discharges of pollutants from point sources to waters of the United States. Discharges are illegal unless authorized by an NPDES permit