EXH0521023534

• t_-23-99 TLIE04:00 Pll USBOESI:;P,i'FLI:DI_IKIUI I'1._l_lU,LOb IOq 4qlU Y, O,.i TART._ OF CONTENTS INTRODUCTION ...................... ............ I 1.1 Background .................................. 1 1.2 Purpose and Objective . .......................... 3 1,3 Summary of Findings ............................ 3 SITE AS._qESSMENT .,.,............................ 4 Gen ral Property Descrlpti 4. • o _1 .D,I...oQ. m.. I I,°.._Q 2.2 Subsurface Stratigraphy ............ •............. 6 =,- , --_ ._.3 .Groundwater:...; ....... .._,.<.: ...... ........... -. 8 .. 2.4 S,mpling Along the SCL Substation Fence Line ....... 8 'ANALYTICAL RESULTS ..., ........ ' ........ : ........ 9 3.1 1968 Dredge Fill Area .......................... 9 3.2 1985 Dredge Fill Area .......................... 9 3.3 Groundwater ................................. 9 3.4 SCL Substation Fence I._ne Area ................... 22 DISCUSSION ..................................... 22 4.1 1968 Dredge Fill "Area ........................... 22 4.2 1985 Dredg e Fill Area ........................... 22 4.3 Groundwater ................................. 23 4.4 SCL SubstationFence LineArea .......... ........ 23 RECOMMENDATIONS .............................. 23 A_Denclices Appendix A - Field Precedures Append.lx B- Analytical Results Appendix C ' Photogra.phic Log AR 023535 J •MAR-23-99TUE 04:00PM USACE SEATTLE DISTRICT FAX NO, 206 764 4470 P, 04 BASELINE SOIL AND GROUNDWATER QUALITY ASSESSMENT SEATTT.E CITY UGIKT LONG-TF2/_ LEASE OPTION SEATn2E, WASm__ GTON 1.0 INTRODUCTION This reportcont_n_ Roy F. Westmn Inc.'s(WESTON's) find;n=sfrom the baseline so_l and groundwater qualityassessment forthe Seatt/eCity Light (SCL)long. term leaseop_o_. The work was accomplishedin accordancewith our proposal dated I0 April1990,and as modified by The Boeing Company (Boeing)and WESTON duringthe course oft/iefieldwork. 1.1 Back_'ound _':---.- B0eingis evaluating'anoptionto enterintoa 50-yearleaseagreement with SCL .....:-.. on property adjoining SCL's Duw_mlsh substation at 10000…

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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 [...]