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Local Assistance Procedure Manual <br />Exhibit 16-D <br />Certidicate of Proficiency <br />CALIFORNIA DEPARTMENT OF TRANSPORTATION <br />CERTIFICATE OF PROFICIENCY <br />In the Sampling and Testing of Construction <br />Materials <br />This certifies that <br />is qualified to perform the following tests: <br />CALIFORNIA TEST <br />202 Sieve Analysis <br />217 Sand Equivalent <br />226 Moisture Content <br />227 Cleanness Value <br />229 Durability Index <br />231 Relative Compaction -Nuclear <br />375 Relative Compaction of AC <br />379 Asphalt Content -Nuclear <br />504 Air entertainment in PCC <br />518 Unit Weight-PCC <br />523 Flexural Strength of PCC-Beams <br />533 Kelly Ball penetration-PCC <br />539 Sampling Fresh Concrete <br />540 Fabricating PCC Cylinders <br />DATE CERTIFIED BY DATE RENEWED BY <br />District Materials Engineer IAST Certificate # <br />Certification expires three years from above dates. <br />Note: This certificate is valid as long as the Acceptance Tester complies with the applicable requirements of the Caltrans <br />Quality Assurance Program Manual for use by Local Agencies, December 2008 <br />THIS FORM IS TO BE ON FILE AT THE DISTRICT MATERIALS LAB AND CONSTRUCTION OFFICES. A COPY OF <br />THE MASTER LIST SHALL BE KEPT IN THE RESIDENT ENGINEERS PROJECT FILE. <br />MR - 0111 (1/93) (Old HC-1) <br />January 2018 <br />Page 1 of 1 <br />