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SCOPE OF AAS HTO ACCREDITATION FOR: <br />Kleinfelder, Inc. <br />AASH110 in Ontario, California, USA <br />A D D RED IT E D <br />Soil (Continued) <br />Standard: Accredited Since: <br />D4829 Expansion Index of Soils 07/01/2000 <br />D6913 Particle -Size Distribution (Gradation) of Soils Using Sieve Analysis 10/07/2019 <br />D6938 In -Place Density and Moisture Content of Soil and Soil -Aggregate by Nuclear Methods (Shallow Depth) <br />Page 5 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 />07/01 /2000 <br />