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86 FR 14858

EPA proposed to approve Michigan's underground injection control Class II program for primacy.

86 FR 14846

EPA approved Michigan's underground injection control Class II program for primacy.

86 FR 14747

EPA announced its intention to approve revisions to the Navajo Nation's public water system supervision program.

86 FR 14109

EPA intends to approve revisions to Arizona's public water system supervision program.

86 FR 13896

EPA proposed to approve revisions to Colorado's public water system supervision program.

86 FR 13846

EPA proposed an SDWA rule that would require public water systems to collect national occurrence data for 29 per- and polyfluoroalkyl substances and lithium to inform Agency decisions.

86 FR 12272

EPA announced its final regulatory determinations to regulate perfluorooctanesulfonic acid (PFOS) and perfluorooctanoic acid (PFOA) and to not regulate 1,1-dichloroethane, acetochlor, methyl bromide (bromomethane), metolachlor, nitrobenzene, and RDX under the SDWA.