Document NE0qR3BbmG0Yk7MGJaM7OD7Gp

DRAFT: CONFIDENTIAL: FOR SETTLEMENT NEGOTIATION PURPOSES ONLY Sierra Club v. EPA 18cv3472 NDCA Tier 1 ED 002061 00115291-00001 DRAFT: CONFIDENTIAL: FOR SETTLEMENT NEGOTIATION PURPOSES ONLY Sierra Club v. EPA 18cv3472 NDCA Tier 1 ED 002061 00115291-00002 DRAFT: CONFIDENTIAL: FOR SETTLEMENT NEGOTIATION PURPOSES ONLY K "!|i 01 : oo I Sc i 01 : Legend Proposed Surface Sediment Sample Locations (n=580) O U nbiased Sam ple (n = 258) U nbiased Sam ple at R eoccupation o f 2004 Location (n = 87) S Additional S am ple fo r S M A Delineation (n = 175) A Additional S am ple fo r S M A Delineation at Proposed C ore Location (n = 60) River M ile M arker Alt F Mod SM A Footprint Sierra Club v. EPA 18cv3472 NDCA NOTES: 1. Aerial provided by ESRI Basemaps 2016. * 500 250 0 500 1,000 Feet Tier 1 V ' - ..../ ........ Jr? v Proposed Pre-Remedial Design and SMA Sample Locations RM 6-8 Portland Harbor Superfund Site Geosyntec1 consultants CDN OPS 16-Aug-2017 Figure 1-3 ED 002061 00115291-00003 Sierra Club v. EPA 18cv3472 NDCA Tier 1 ED 002061 00115291-00004 DRAFT: CONFIDENTIAL: FOR SETTLEMENT NEGOTIATION PURPOSES ONLY Sierra Club v. EPA 18cv3472 NDCA Tier 1 ED 002061 00115291-00005