EPA announced its final determinations for 11 contaminants listed on the second contaminant candidate list (CCL). EPA had sufficient health and occurrence information to make determinations on these contaminants. Based on the analysis of available information, EPA has determined not to regulate boron; the dacthal mono- and di-acid degradates; 1,1-dichloro-2,2-bis(p-chlorophenyl)ethylene (DDE); 1,3-dichloropropene (Telone); 2,4-dinitrotoluene; 2,6-dinitrotoluene; s-ethyl dipropylthiocarbamate (EPTC); fonofos; terbacil; or 1,1,2,2-tetrachloroethane.