REMEDIATING AND MONITORING WHITE PHOSPHORUS CONTAMINATION AT EAGLE RIVER FLATS (OPERABLE UNIT C), FORT RICHARDSON, ALASKA
EXECUTIVE SUMMARY - LR-01-410005
WATERBIRD UTILIZATION OF EAGLE RIVER FLATS FROM AERIAL SURVEYS: APRIL-OCTOBER, 2000 - LR-01-410006
TREATMENT VERIFICATION: MONITORING THE REMEDIATION OF WHITE-PHOSPHORUS-CONTAMINATED SEDIMENTS IN TREATED PONDS - LR-01-410007
TREATMENT VERIFICATION-continue
2000 WEATHER DATA FOR EAGLE RIVER FLATS - LR-01-410009
EAGLE RIVER FLATS DATABASE AND ENVIRONMENTAL CHANGE MONITORING - LR-01-410010
WATERBIRD UTILIZATION OF EAGLE RIVER FLATS FROM AERIAL SURVEYS: APRIL-OCTOBER, 2000 - LR-01-410011
Figure II-1-1. Standardized ERF study areas surveyed for waterfowl
Abundance and distribution of waterbirds on ERF
Table II-1-2. Mean numbers of waterfowl groups in 2000 by season
Table II-1-3. Percent duck use of major habitat types by season on ERF in 2000
Figure II-1-3. Mean densities of swans on ERF study areas in spring and fall 2000
Figure II-1-4. Mean densities of geese on ERF study areas in spring, summer, and fall 2000
Changes in Fall Pond Use by Ducks
Figure II-1-6. Mean densities of ducks on ERF study areas in spring, summer, and fall 2000
Figure II-1-7. Percent use of ponds by ducks classified to ponds during aerial surveys in fall 2000
REFERENCES - LR-01-410021
EAGLE RIVER FLATS POND PUMPING REMEDIATION PROJECT: SECOND-YEAR DEPLOYMENT UNDER THE RECORD OF DECISION
Table III-1-1. Pump system locations for 2000 season
Figure III-1-1. Location of ponds at Eagle River Flats
Figure III-1-2. Rt. Bravo Bridge remote monitoring base station
IMPLEMENTATION - LR-01-410027
RETROGRADE
PERFORMANCE EVALUATION - LR-01-410029
Figure III-1-4. Pond 146 off Canoe Point
Figure III-1-5. Seasonal pond depth data for all treated ponds
EQUIPMENT IMPROVEMENTS
THE 2001 SEASON AND BEYOND
Table III-1-7: Predicted non-flooding periods using tide gates
A P P E N D I X III-1-A: LOAD CHARTS FOR 2000 HELICOPTER OPERATIONS
Table III-1-A1. Personnel deployment during major lift operations
Table III-1-A2. 2000 Load chart for heavy equipment deployment (actual loads)
Table III-1-A3. 2000 load chart for heavy equipment retrograde (actual loads)
Table III-1-A4. 2000 load chart for discharge line deployment (actual loads).
APPENDIX III-1-B: RECOMMENDATIONS AND STATUS OF DEVELOPMENT WORK AND EQUIPMENT MODIFICATIONS FOR EAGLE RIVER FLATS REMEDIATION PROJECT
TREATMENT VERIFICATION: MONITORING THE REMEDIATION OF WHITE-PHOSPHORUS-CONTAMINATED SEDIMENTS IN TREATED PONDS - LR-01-410041
Figure III-2-1. Map of Eagle River FLats showing areas and pond identification numbers
Figure III-2-3. Aerial photograph (Aeromap 8 September 2000) of the east side of ERF showing datalogger and sampling locations
Figure III-2-4. Approximate locations of grid composite samples collected from Pond 146
Pond 730 (Area C/D) and Pond 75 (Coastal East)
Discrete Surface and Subsurface Sampling
Table III-2-1. Samples collected in or near Pond 285
Figure III-2-7. White phosphorus concentrations found in the DWRC Pen #5
Table III-2-2. White phosphorus concentrations (g/g) found on a 1.82-m square grid in 1996, 1998 ,1999, and 2000 in DWRC Pen 5
Sublimation/Oxidation Conditions - LR-01-410050
Figure III-2-8. Datalogger station photographed near peak drying conditions in June 2000
RESULTS AND DISCUSSION - LR-01-410052
Figure III-2-9. Output from moisture sensors during the summer of 2000
Table III-2-5. Loss of white phosphorus from particles planted in the top 5 cm of drained ponds
Table III-2-7. White phosphorus concentrations found at Miller's Hole
Figure III-2-11. Advancing Break Truck gully
Figure III-2-12. Flood events recorded on the north side of the Bread Truck Pond
CONCLUSIONS - LR-01-410058
REFERENCES-continue - LR-01-410059
Appendix Table III-2-A1. 2000 Composite Samples
Appendix Table III-2-A1. Continued - LR-01-410061
Appendix Table III-2-A1. Continued - LR-01-410062
Appendix Table III-2-A1. Continued - LR-01-410063
Appendix Table III-2-A1. Continued - LR-01-410064
Appendix Table III-2-A1. Continued - LR-01-410065
Appendix Table III-2-A1. Continued - LR-01-410066
COMPOSITE SAMPLING AND ANALYSIS FOR WHITE PHOSPHORUS IN UNTREATED PONDS
Northern A
Figure III-3-2. Oblique view of region from which Composites A-1 to A-19 were collected in May and August 2000
Figure III-3-4. Aerial oblique view of Area C/D north of Pond 40 from which grid composite samples were collected in 2000
RESULTS AND DISCUSSION - LR-01-410071
Figure III-3-7. Oblique view of marsh in Area C
CONCLUSIONS - LR-01-410073
2000 WEATHER DATA FOR EAGLE RIVER FLATS - LR-01-410075
METEOROLOGICAL STATION
Table III-4-1. Summary of meteorological station instruments and the parameters measured
Figure III-4-2. Maximum, minimum, and average air temperatures for the Eagle River Flats meteorological station from 12 May to 15 August 2000
REFERENCES - LR-01-410079
Figure III-4-5. Evaporation pan data showing the evaporation pan water level data and the net cumulative evaporation for the season
Table III-4-3. Daily climatic data for Eagle River Flats meteorological station during May-August 2000
Table III-4-3. Continued
EAGLE RIVER FLATS WIRELESS REMOTE IMAGING SYSTEM
PROPOSED SOLUTION FOR THE 2000 FIELD SEASON
Figure III-5-2. Axis 200+ camera
Figure III-5-4. Base station equipment
SYSTEM PERFORMANCE
IMAGING SYSTEM SUCCESS RATE
CONCLUSION-continue - LR-01-410089
EAGLE RIVER FLATS DATABASE AND ENVIRONMENTAL CHANGE MONITORING - LR-01-410091
Gully erosion
Figure IV-1-2. Monitored erosion of the Bread Truck drainage ditch from 1996 to 2000
LR-01-41
EXECUTIVE SUMMARY - LR-01-410005
WATERBIRD UTILIZATION OF EAGLE RIVER FLATS FROM AERIAL SURVEYS: APRIL-OCTOBER, 2000 - LR-01-410006
TREATMENT VERIFICATION: MONITORING THE REMEDIATION OF WHITE-PHOSPHORUS-CONTAMINATED SEDIMENTS IN TREATED PONDS - LR-01-410007
TREATMENT VERIFICATION-continue
2000 WEATHER DATA FOR EAGLE RIVER FLATS - LR-01-410009
EAGLE RIVER FLATS DATABASE AND ENVIRONMENTAL CHANGE MONITORING - LR-01-410010
WATERBIRD UTILIZATION OF EAGLE RIVER FLATS FROM AERIAL SURVEYS: APRIL-OCTOBER, 2000 - LR-01-410011
Figure II-1-1. Standardized ERF study areas surveyed for waterfowl
Abundance and distribution of waterbirds on ERF
Table II-1-2. Mean numbers of waterfowl groups in 2000 by season
Table II-1-3. Percent duck use of major habitat types by season on ERF in 2000
Figure II-1-3. Mean densities of swans on ERF study areas in spring and fall 2000
Figure II-1-4. Mean densities of geese on ERF study areas in spring, summer, and fall 2000
Changes in Fall Pond Use by Ducks
Figure II-1-6. Mean densities of ducks on ERF study areas in spring, summer, and fall 2000
Figure II-1-7. Percent use of ponds by ducks classified to ponds during aerial surveys in fall 2000
REFERENCES - LR-01-410021
EAGLE RIVER FLATS POND PUMPING REMEDIATION PROJECT: SECOND-YEAR DEPLOYMENT UNDER THE RECORD OF DECISION
Table III-1-1. Pump system locations for 2000 season
Figure III-1-1. Location of ponds at Eagle River Flats
Figure III-1-2. Rt. Bravo Bridge remote monitoring base station
IMPLEMENTATION - LR-01-410027
RETROGRADE
PERFORMANCE EVALUATION - LR-01-410029
Figure III-1-4. Pond 146 off Canoe Point
Figure III-1-5. Seasonal pond depth data for all treated ponds
EQUIPMENT IMPROVEMENTS
THE 2001 SEASON AND BEYOND
Table III-1-7: Predicted non-flooding periods using tide gates
A P P E N D I X III-1-A: LOAD CHARTS FOR 2000 HELICOPTER OPERATIONS
Table III-1-A1. Personnel deployment during major lift operations
Table III-1-A2. 2000 Load chart for heavy equipment deployment (actual loads)
Table III-1-A3. 2000 load chart for heavy equipment retrograde (actual loads)
Table III-1-A4. 2000 load chart for discharge line deployment (actual loads).
APPENDIX III-1-B: RECOMMENDATIONS AND STATUS OF DEVELOPMENT WORK AND EQUIPMENT MODIFICATIONS FOR EAGLE RIVER FLATS REMEDIATION PROJECT
TREATMENT VERIFICATION: MONITORING THE REMEDIATION OF WHITE-PHOSPHORUS-CONTAMINATED SEDIMENTS IN TREATED PONDS - LR-01-410041
Figure III-2-1. Map of Eagle River FLats showing areas and pond identification numbers
Figure III-2-3. Aerial photograph (Aeromap 8 September 2000) of the east side of ERF showing datalogger and sampling locations
Figure III-2-4. Approximate locations of grid composite samples collected from Pond 146
Pond 730 (Area C/D) and Pond 75 (Coastal East)
Discrete Surface and Subsurface Sampling
Table III-2-1. Samples collected in or near Pond 285
Figure III-2-7. White phosphorus concentrations found in the DWRC Pen #5
Table III-2-2. White phosphorus concentrations (g/g) found on a 1.82-m square grid in 1996, 1998 ,1999, and 2000 in DWRC Pen 5
Sublimation/Oxidation Conditions - LR-01-410050
Figure III-2-8. Datalogger station photographed near peak drying conditions in June 2000
RESULTS AND DISCUSSION - LR-01-410052
Figure III-2-9. Output from moisture sensors during the summer of 2000
Table III-2-5. Loss of white phosphorus from particles planted in the top 5 cm of drained ponds
Table III-2-7. White phosphorus concentrations found at Miller's Hole
Figure III-2-11. Advancing Break Truck gully
Figure III-2-12. Flood events recorded on the north side of the Bread Truck Pond
CONCLUSIONS - LR-01-410058
REFERENCES-continue - LR-01-410059
Appendix Table III-2-A1. 2000 Composite Samples
Appendix Table III-2-A1. Continued - LR-01-410061
Appendix Table III-2-A1. Continued - LR-01-410062
Appendix Table III-2-A1. Continued - LR-01-410063
Appendix Table III-2-A1. Continued - LR-01-410064
Appendix Table III-2-A1. Continued - LR-01-410065
Appendix Table III-2-A1. Continued - LR-01-410066
COMPOSITE SAMPLING AND ANALYSIS FOR WHITE PHOSPHORUS IN UNTREATED PONDS
Northern A
Figure III-3-2. Oblique view of region from which Composites A-1 to A-19 were collected in May and August 2000
Figure III-3-4. Aerial oblique view of Area C/D north of Pond 40 from which grid composite samples were collected in 2000
RESULTS AND DISCUSSION - LR-01-410071
Figure III-3-7. Oblique view of marsh in Area C
CONCLUSIONS - LR-01-410073
2000 WEATHER DATA FOR EAGLE RIVER FLATS - LR-01-410075
METEOROLOGICAL STATION
Table III-4-1. Summary of meteorological station instruments and the parameters measured
Figure III-4-2. Maximum, minimum, and average air temperatures for the Eagle River Flats meteorological station from 12 May to 15 August 2000
REFERENCES - LR-01-410079
Figure III-4-5. Evaporation pan data showing the evaporation pan water level data and the net cumulative evaporation for the season
Table III-4-3. Daily climatic data for Eagle River Flats meteorological station during May-August 2000
Table III-4-3. Continued
EAGLE RIVER FLATS WIRELESS REMOTE IMAGING SYSTEM
PROPOSED SOLUTION FOR THE 2000 FIELD SEASON
Figure III-5-2. Axis 200+ camera
Figure III-5-4. Base station equipment
SYSTEM PERFORMANCE
IMAGING SYSTEM SUCCESS RATE
CONCLUSION-continue - LR-01-410089
EAGLE RIVER FLATS DATABASE AND ENVIRONMENTAL CHANGE MONITORING - LR-01-410091
Gully erosion
Figure IV-1-2. Monitored erosion of the Bread Truck drainage ditch from 1996 to 2000
LR-01-41