3400 RIVERFRONT BLVD Geotech Report 2022-10-25

• • SYMBOL SAMPLING DESCRIPTION • • 11 Location of sample obtained in general accordance with ASTM D 1 586 Standard Penetration Test • with recovery C Location of sample obtained using thin-wall Shelby tube or Geoprobe® sampler in general • accordance with ASTM D 1587 with recovery 411/ 1 Location of sample obtained using Dames & Moore sampler and 300-pound hammer or pushed • with recovery • 1 Location of sample obtained using Dames & Moore and 140-pound hammer or pushed with recovery • • Location of sample obtained using 3-inch-O.D. California split-spoon sampler and 140-pound hammer • • N Location of grab sample Graphic Log of Soil and Rock Types • . ; �.6.. Observed contact between soil or • U Rock coring interval ,:i-, V rock units (at depth indicated) • • V Water level during drilling Inferred contact between soil or • rock units (at approximate depths indicated) • T Water level taken on date shown • . 41 GEOTECHNICAL TESTING EXPLANATIONS 41 • ATT Atterberg Limits PP Pocket Penetrometer CBR California Bearing Ratio P200 Percent Passing U.S. Standard No. 200 • CON Consolidation Sieve • DD Dry Density RES Resilient Modulus • DS Direct Shear SIEV Sieve Gradation • HYD Hydrometer Gradation TOR Torvane • MC Moisture Content UC Unconfined Compressive Strength • MD Moisture-Density Relationship VS Vane Shear • OC Organic Content kPa Kilopascal • P Pushed Sample • ENVIRONMENTAL TESTING EXPLANATIONS • • CA Sample Submitted for Chemical Analysis ND Not Detected P Pushed Sample NS No Visible Sheen PID Photoionization Detector Headspace SS Slight Sheen • Analysis MS Moderate Sheen • ppm Parts per Million HS Heavy Sheen • • GEODESIGNz • 15575 5W Sequoia Parkway-Suite 100 EXPLORATION KEY TABLE A-1 • Portland OR 97224 Off 503 968 8787 Fax 503.968.3068 •