Regulacje i polityka gospodarcza · 18.10.1995

Guidelines Establishing Test Procedures for the Analysis of Pollutants: New Methods

Under the Clean Water Act, Section 304(h), EPA proposes to amend its list of approved analytical techniques by adding new or revised test procedures for certain metal and inorganic chemical pollutants, by adding method citations to Table IB and by amending the incorporation by reference section of the regulation accordingly. EPA is also proposing to substitute reagents that are more environmentally friendly for certain hazardous and toxic chemical reagents currently used in certain approved methods. In addition, EPA is proposing to withdraw approval of certain outdated or little used analytical methods, as well as, certain methods that require the use of hazardous or toxic reagents. For each method that is proposed for withdrawal, one or more commonly used methods have been previously approved. Comments are requested on this proposed rulemaking. After considering comments received in response to this proposal, EPA will promulgate a final rule. This action amends guidelines establishing test procedures for the analysis of pollutants by adding clarifying notes to lists of approved test procedures, by adding and updating certain method citations in Tables IB and IC, and by amending th