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Heavy Metal Index

40 CFR 141.51, maximum contaminant level goal for antimony

This is the 1 July 2025 edition of 40 CFR 141.51, maximum contaminant level goals for inorganic contaminants.

This is the 1 July 2025 edition of 40 CFR 141.51, maximum contaminant level goals for inorganic contaminants. The antimony goal is a non-enforceable drinking-water figure. It is not a diaper limit and not a textile limit.

Key numbers

The antimony line prints 0.006 in the column headed MCLG (mg/l) (PDF p.2). That line sits on the page whose running head is section 141.52, because the 141.51(b) table continues onto that page. The section citation printed below the continued table includes the 16 December 1998 amendment among later amendments. Arsenic in the same continued table prints a goal of zero, with a footnote. Antimony does not.

Methods (brief)

The text is the annual CFR compilation, revised as of 1 July 2025. The goal is the health-based target under the Safe Drinking Water Act. The enforceable maximum is section 141.62, not this section.

Evidence fitness

The page supports the federal MCLG of 0.006 mg/l for antimony in drinking water. It does not support a diaper or textile limit, and it does not quote a health-effects paragraph.

Limitations

The running head on the antimony page is section 141.52. The citation for the antimony line remains 141.51(b). The unit is the printed mg/l.

Update history

No substantive edit history is available in this build. The full commit record is available in git.