Under the New ZDHC Wastewater and Sludge Guidelines V2 new ZDHC MRSL groups (flame retardants, perfluorinated and polyfluorinated chemicals (PFCs), phthalates—including all other esters of ortho-phthalic acid), with new test methods and reporting limits for each parameter under the respective group, have been added for sludge testing for textiles and leather for all sludge disposal pathways.