Comment Period Extended for Whole Effluent Toxicity Test Methods

Nov. 26, 2001

The U.S. Environmental Protection Agency (EPA) is extending the comment period for the proposed rule to revise and ratify its approval of several analytical test procedures measuring "whole effluent toxicity." The proposed rule was published in the Federal Register on September 28, 2001 and the comment period was scheduled to end on November 27, 2001. The comment period will be extended for 45 days and will now end on January 11, 2002.

Comments must be postmarked, delivered by hand or electronically mailed on or before January 11, 2002. Comments provided electronically will be considered timely if they are submitted by 11:59 p.m. Eastern Standard Time (EST) on January 11, 2002.

The proposed rule (66 FR 49794) has been placed on the Internet for public review and downloading at the following location: Other documents referenced in the proposed rule also are available on the Internet. The final report of EPA's WET Interlaboratory Variability Study (Volumes 1 and 2) and the document titled, Proposed Changes to Whole Effluent Toxicity Method Manuals are available on the Internet at

Source: U.S. Environmental Protection Agency

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