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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 />Concrete <br />Standard: Accredited Since: <br />Making and Curing Concrete Test Specimens in the Field 09/01/2001 <br />C39 Compressive Strength of Cylindrical Concrete Specimens 09/01/2001 <br />taining and Testing Drilled Cores and Sawed Beams of Concrete Ir 05/23/207A <br />C78 Flexural Strength of Concrete (Using Simple Beam with Third -Point Loading) 09/01/2001 <br />C1� Density (Unit Weight), Yield, and Air Content of Concret 9/01/2001 <br />C143 <br />C157 <br />C172 <br />C173 <br />C192 <br />Slump of Hydraulic Cement Concrete <br />Length Change of Hardened Hydraulic -Cement, Mortar, and Concrete <br />Sampling Freshly Mixed Concrete <br />Air Content of Freshly Mixed Concrete by the Volumetric Method <br />Making and Curing Concrete Test Specimens in the Laboratory <br />09/01/2001 <br />05/23/2011 <br />09/01/2001 <br />09/01/2001 <br />09/01/2001 <br />C231 Air Content of Freshly Mixed Concrete by the Pressure Method L 09/01/2001 <br />C511 Moist Cabinets, Moist Rooms, and Water Storage Tanks Used in the testing of Hydraulic Cements and Concretes 03/21/2014 <br />11617 (8000 psi and below) Capping Cylindrical Concrete Specimens 08/06/2018 <br />C1064 Temperature of Freshly Mixed Portland Cement Concrete 09/01/2001 <br />1231 (7000 psi and below) Use of Unbonded Caps in Determination of Compressive Strength of Hardened Concrete Cylinders 03/21/2014 <br />C1542 Measuring Length of Concrete Cores <br />Page 10 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 />03/22/2016 <br />