# National Primary Drinking Water Regulations: Analytical Methods for Microbes, Lead, and Magnesium

> **EPA** · Rulemaking · Modified 2025-12-19T15:09:20Z

## Docket
- **Docket ID:** EPA-HQ-OW-1999-0084
- **Agency:** EPA
- **Type:** Rulemaking
- **Last modified:** 2025-12-19T15:09:20Z

## Source
- [regulations.gov docket](https://www.regulations.gov/docket/EPA-HQ-OW-1999-0084)
- [Public comments](https://www.regulations.gov/docket/EPA-HQ-OW-1999-0084/comments)

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