2020-11-11_HYDROLOGY - C1981019

• Permit No: C1981019
• IBM Index Class Name: Hydrology
• Doc Date: 11/11/2020
• Doc Name: WET Testing
• From: Tri-State Generation and Transmission Association, Inc.
• To: DRMS
• Permit Index Doc Type: General Correspondence
• Email Name: ZTT
• Email Name: JDM
• Media Type: D
• Archive: No

DocuSign Envelope ID:6FE5F752-9229-4969-B8B6-9154B88CD3C4
Client: Colowyo CO-0045161 SCG Project No.: 420469.13
Site: 010A
TABLE OF CONTENTS
CHRONIC TOXICITY TEST SUMMARY ...............................................................................3
ABSTRACT OF RESULTS ..........................................................................................................4
INTRODUCTION..........................................................................................................................5
MATERIALSAND METHODS..................................................................................................5
SAMPLECOLLECTION.........................................................................................................5
DILUTION WATER...............................................................................................................5
TESTORGANISMS ................................................................................................................5
TEST PROCEDURE...............................................................................................................6
DATAANALYSIS..................................................................................................................6
RESULTS.......................................................................................................................................7
CERIODAPHNIA DUBIA TEST RESULTS............................................................................7
FATHEAD MINNOW TEST RESULTS..................................................................................8
TEST ACCEPTABILITY........................................................................................................8
DISCUSSION.................................................................................................................................9
REFERENCES...............................................................................................................................9
APPENDIX 1-CHAIN OF CUSTODY WITH SAMPLE RECEIPT FORMS.....................10
APPENDIX 2-DATA SHEETS FOR THE CERIODAPHNIA DUBIA TEST......................17
WET TEST REPORT FORM-CHRONIC..............................................................................18
APPENDIX 3 -DATA SHEETS FOR THE FATHEAD MINNOW TEST..........................25
WET TEST REPORT FORM-CHRONIC..............................................................................26
APPENDIX 4-QA/QC AND REFERENCE TOXICANT TEST CHARTS........................32
LIST OF TABLES
TABLE 1: STATISTICAL METHODS USED IN TESTING ...............................................................................7
TABLE 2: SUMMARY OF CERIODAPHNIA DUBIA TEST RESULTS............................................................7
TABLE 3: SUMMARY OF FATHEAD MINNOW TEST RESULTS..................................................................8
TABLE 4: PMSD FOR CHRONIC TEST PARAMETERS..................................................................................8
SeaCrest Group 2