EXH0609023949

2.2.2 Summary of Existing Data - Waste Influent/Effluent 4 2.2.2.1 Quantity 4 2.2.2.2 Quality 4 2.2.3 Summary of Existing Data - Lagoon Sludge/Sediments 6 2.2.4 Summary of Existing Data - Releases and Integrity Tests 6 2.2.4.1 Releases and Non-Compliance Events 6 2.2.4.2 Integrity Tests 7 2.2.5 Summary of Existing Data - Soil 8 2.2.6 Summary of Existing Data - Ground Water 10 3.0 GEOLOGY 12 3.1 Stratigraphy and Soil Units 12 3.1.1 Pre-Fraser Deposits 13 3.1.1.1 Pre-Fraser Fine-Grained Deposits 13 3.1.1.2 Pre-Fraser Coarse-Grained Deposits 13 3.1.2 Fraser ('Vashon) Glacial and Recent Alluvial Deposits 14 3.1.2.1 Advance Outwash 14 3.1.2.2 Glacial Till 14 3.1.2.3 Recessional Outwash and Recent Alluvium 14 3.1.2.4 Fill 15 4.0 HYDROGEOLOGY 16 4.1 Regional Hydrogeology 16 4.2 Site Hydrogeology 16 4.2.1 Summary of Monitoring Well Completions 16 4.3 Ground Water Levels and Flow Direction 17 4.3.1 Ground Water Level Measurements 17 4.3.1.1 Ground Water Levels - Lagoons 1 and 2 17 4.3.1.2 Ground Water Levels - Lagoon 3 18 4.3.2 Ground Water Flow Direction 19 4.3.3 Ground Water Flow - Conclusions 20 STR_ 00979 Page i June 21, 2000 AR 023950 Table of Contents (continued) Page No. 5.0 GROUND WATER QUALITY 21 5.1 Well Development 21 5.2 Ground Water Sampling 21 5.2.1 Field-Measured Parameters - Lagoons 1 and 2 22 5.2.2 Field-Measured Parameters - Lagoon 3 22 5.3 Constituents of Concern 22 5.3.1 Monitoring - Lagoons 1 and 2 23 5.3.2 Monitoring - Lagoon 3 23 5.4 Water Quality Standards 23 5.5 Ground Water Quality 23 5.5.1…

Open full document

Upcoming Events

PSCAA Advisory Council Meeting Agenda
Add to CalendarMWednesday Mar 11, 9:00am - 11:35am
1904 3rd Avenue, Suite 105, Seattle, WA 98101
Call to order – Roll Call – Quorum Established – Land Acknowledgement We would like to acknowledge that our Agency operates in four present-day counties, which are the traditional lands of the Coast Salish people, past and present. This acknowledgement does not take the place of authentic relationships with indigenous communities in our jurisdiction and [...]