Sediment Quality Criteria & Support Documents; Re-opening of Notice of Availability and Request for Comment

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The purpose of this notice is to re-open the comment period for OW-FRL-4827-2 entitled ``Sediment Quality Criteria'' for 60 days. The comment period will close on June 27, 1994. The original notice was published on January 18, 1994, and the public comment period closed on April 18, 1994. The notice announced the availability of seven documents presenting proposed Sediment Quality Criteria for the Protection of Benthic Organisms for five priority pollutant (Section 307(a)) chemicals, guidelines for deriving these criteria on a site-specific basis, and the technical basis for deriving the criteria for public comment. The documents are entitled: ``Technical Basis for Deriving Sediment Quality Criteria for Nonionic Organic Contaminants for the Protection of Benthic Organisms by Using Equilibrium Partitioning,'' ``Guidelines for Deriving Site-Specific Sediment Quality Criteria for the Protection of Benthic Organisms,'' and ``Sediment Quality Criteria for the Protection of Benthic Organisms: Dieldrin, Endrin, Acenaphthene, Fluoranthene, Phenanthrene'' (individual documents per chemical).