,On February 9, 2026 (Republic of China Year 115, Ministry of Environment Research Document No. 1155101554), Taiwan's Ministry of Environment, in collaboration with the National Institute for Environmental Studies (NERA), issued a public notice announcing a consultation period for the draft standard titled "Method of Test for Available Chlorine in Liquid Chlorine Drinking Water Treatment Agents (NIEA D435.22C)". This proposed standard outlines a standardised testing procedure to determine the available (effective) chlorine content in liquid chlorine, which is used as a disinfectant in drinking water treatment. It aims to ensure consistent quality control and regulatory compliance for such agents under the Drinking Water Management Act. Legal Basis: 1. Article 12-1, Paragraph 3 of the Drinking Water Management Act (authorising the establishment of testing methods for drinking water treatment agents). 2. Article 154, Paragraph 1 of the Administrative Procedure Act (governing public notice and comment periods). Key Points: 1. No significant alternative approaches were evaluated, as the matter is highly technical and specialized in nature. 2. The scientific and technical rationale, along with supporting details, is provided in the attached draft explanation and item-by-item commentary. 3. This draft likely updates or supersedes previous methods (such as NIEA D435.21C or earlier versions related to liquid chlorine testing). A separate notice concurrently proposes abolishing the prior standard (NIEA D435.21C), as its content has been incorporated into this new draft. The public is invited to submit comments by April 10, 2026.
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