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SCOPE OF AAS HTO ACCREDITATION FOR: <br />Kleinfelder, Inc. <br />AASH O in Ontario, California, USA <br />A C C R E D I T E D <br />Soil <br />Standard: <br />Accredited Since: <br />T99 The Moisture -Density Relations of Soils Using a 5.5 lb [2.5 kg] Rammer and a 12 in. [305 mm] Drop <br />T134 Moisture -Density Relations of Soil -Cement Mixtures <br />T180 Moisture -Density Relations of Soils Using a 10 lb [4.54 kg] Rammer and an 18 in. [457 mm] Drop <br />T265 Laboratory Determination of Moisture Content of Soils <br />D421 Dry Preparation of Disturbed Soil and Soil Aggregate Samples for Test <br />D422 Particle Size Analysis of Soils by Hydrometer <br />D558 Moisture -Density Relations of Soil -Cement Mixtures <br />D698 The Moisture -Density Relations of Soils Using a 5.5 lb [2.5 kg] Rammer and a 12 in. [305 mm] Drop <br />D1140 Amount of Material in Soils Finer than the No. 200 (75-pm) Sieve <br />D1556 Density of Soil In -Place by the Sand Cone Method <br />D1557 Moisture -Density Relations of Soils Using a 10 lb [4.54 kg] Rammer and an 18 in. [457 mm] Drop <br />D2166 Unconfined Compressive Strength of Cohesive Soil <br />D2216 Laboratory Determination of Moisture Content of Soils <br />D2434 Permeability of Granular Soils (Constant Head) <br />D2435 One -Dimensional Consolidation Properties of Soils Using Incremental Loading <br />D2487 Classification of Soils for Engineering Purposes (Unified Soil Classification System) <br />D2488 Description and Identification of Soils (Visual -Manual Procedure) <br />D2844 Resistance R-Value and Expansion Pressure of Compacted Soils <br />D2974 Determination of Organic Content in Soils by Loss on Ignition <br />D3080 Direct Shear Test of Soils Under Consolidated Drained Conditions <br />D4318 Determining the Liquid Limit of Soils (Atterberg Limits) <br />D4318 Plastic Limit of Soils (Atterberg Limits) <br />D4718 Oversize Particle Correction <br />Page 4 of 11 <br />This certificate was generated on 03/19/2020 at 3:48 PM Eastern Time. Please confirm the current accreditation status of this laboratory at <br />aashtoresource.org/aap/accreditation-directory <br />10/07/2019 <br />10/07/2019 <br />10/07/2019 <br />10/07/2019 <br />07/01 /2000 <br />07/01 /2000 <br />06/06/2017 <br />07/01 /2000 <br />07/01 /2000 <br />07/01 /2000 <br />07/01 /2000 <br />07/01 /2000 <br />07/01 /2000 <br />10/29/2012 <br />07/01 /2000 <br />07/01 /2000 <br />07/01 /2000 <br />07/01 /2000 <br />10/07/2019 <br />07/01 /2000 <br />07/01 /2000 <br />07/01 /2000 <br />10/07/2019 <br />