Reference Materials for June 2005 Basic Standards Hearing:

Water Quality Control Division's Prehearing Statement for the June 13, 2005 Rulemaking Hearing

Chadwick Ecological Consultants, Inc. Report - Development of Site-Specific Zinc Standards for West Fork Clear Creek (Clear Creek Segment 5), Clear Creek County, Colorado

Technical Memorandum by Chadwick Ecological Consultants, Inc. - Updated Acute and Chronic Zinc Criteria

Report by Chadwick Ecological Consultants, Inc. - Development of Site-Specific Zinc Standards for West Fork Clear Creek (Clear Creek Segment 5), Clear Creek County, Colorado

Technical Memorandum by Chadwick Ecological Consultants, Inc. - Details Related to Revision of Proposed West Fork Clear Creek Site-Specific Zinc Standards

Technical Memorandum by Chadwick Ecological Consultants, Inc. - Revised Zinc Criteria

Exhibit 1, Proposed Table Values for Aluminum, Antimony, Arsenic, Cadmium, Uranium and Zinc

Exhibit 2, Technical Memorandum by Chadwick Ecological Consultants, Inc.- Updated Acute and Chronic Zinc Criteria

Exhibit 3, Proposed Aquatic Life Table Value Criteria for Ammonia

Exhibit 4, Proposed Aquatic Life Table Value Criteria for Temperature

Exhibit 5, Colorado's Water Quality Standard for Temperature Implementation Guidance, Draft 3, April 5, 2005

Exhibit 6, Temperature Criteria Development Database

Exhibit 7, Proposed Changes to the Recreation use Classification System

Exhibit 8, Proposed Changes to Antidegradation Provisions

Exhibit 9, Other Proposed changes for the Basic Standards