HYDRO26467

• Permit No: C1980007
• IBM Index Class Name: Hydrology
• Doc Date: 11/1/2004
• Doc Name: Biomonitoring Report dated August 13, 2004
• From: SeaCrest Group
• To: Mountain Coal Company
• Permit Index Doc Type: DMR’s
• Media Type: D
• Archive: No

Mountain Coal Company CO-0038776 SCG Project No.: 304181
Table of Contents
ACUTE TOXICITY TEST SUMMARY .................................................................................... 3
ABSTRACT OF RESULTS ......................................................................................................... 4
CONTROL .................................................................................................................................... 4
INTRODUCTION ......................................................................................................................... 5
MATERIALS AND METHODS ................................................................................................. 5
SAMPLE COLLECTION .............................................................................. .................................... 5
SOURCE AND ACCLIMATION OF TEST ORGANISMS ................................... .................................... $
TEST PROCEDURES ................................................................................... .................................... 5
DATA ANALYSIS ...................................................................................... .................................... 6
RESULTS .................................................................................................. .................................... 6
DISCUSSION ................................................................................................................................ 7
REFERENCES .............................................................................................................................. 7
APPENDIX 1-CHAIN OF CUSTODY FORM ....................................................................... 8
APPENDIX 2 -LAB DATA SHEETS ........................................................................................ 9
COLORADO - CDPS WET TEST REPORT FORM -ACUTE ..........................................10
APPENDIX 3 - QA/QC AND REFERENCE TOXICANT TEST CHART ......................... 11
List of Tables
TABLE 1: SURVIVAL AND LC50 CALCULATIONS .............................................6
The SeaCrest Group, LLC 2