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§ 141.204 Tier 3 Public Notice—Form, manner, and frequency of notice.
(a) Which violations or situations require a Tier 3 public notice? Table 1 of this section lists the violation categories and other situations requiring a Tier 3 public notice. Appendix A to this subpart identifies the tier assignment for each specific violation or situation.
Table 1 to § 141.204—Violation Categories and Other Situations Requiring a Tier 3 Public Notice
| (1) Monitoring violations under 40 CFR part 141, except where a Tier 1 notice is required under § 141.202(a) or where the primacy agency determines that a Tier 2 notice is required; |
| (2) Failure to comply with a testing procedure established in 40 CFR part 141, except where a Tier 1 notice is required under § 141.202(a)) or where the primacy agency determines that a Tier 2 notice is required; |
| (3) Operation under a variance granted under Section 1415 or an exemption granted under Section 1416 of the Safe Drinking Water Act; |
| (4) Availability of unregulated contaminant monitoring results, as required under § 141.207; |
| (5) Exceedance of the fluoride secondary maximum contaminant level (SMCL), as required under § 141.208; and |
| (6) Reporting and Recordkeeping violations under subpart Y of 40 CFR part 141. |