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. r <br /> DBASF <br /> We create chemistry <br /> January 02,2019 <br /> Miles Sand &Gravel Company <br /> 663 Pease Road <br /> Burlington,Washington 98233 <br /> Attention: Michael Craig <br /> Project: Ready-Mix Concrete Projects <br /> Project location: Washington State <br /> Certificate of Conformance <br /> MasterSet®AC 534 Admixture (formerly Pozzolith NC534) <br /> BASF Corporation Admixture for Concrete <br /> I, Richard Hubbard, Sr. Technical Marketing Specialist for BASF Corporation, Cleveland, Ohio, <br /> certify: <br /> That MasterSet AC 534 admixture is a non-chloride Set Accelerating Admixture for concrete; <br /> and <br /> That MasterSet AC 534 and Pozzolith NC534 admixture are the same product having identical <br /> composition, differing only in designation; and <br /> That no calcium chloride or chloride based ingredient is used in the manufacture of MasterSet <br /> AC 534 admixture; and <br /> That MasterSet AC 534 admixture, based on the chlorides originating from all the ingredients <br /> used in its manufacture, contributes less than 0.000045 percent(0.45 ppm) chloride ions by <br /> weight of the cement when used at the rate of 65 mL per 100 kg (1 fluid ounce per 100 pounds) <br /> of cement; and <br /> That MasterSet AC 534 admixture meets the requirements for a Type C,Accelerating Admixture <br /> specified in ASTM C494/C494M and AASHTO M194, the Standard Specification for Chemical <br /> Admixtures for Concrete, as well as the requirements for Type C admixtures as specified in <br /> Corps of Engineers' CRD-C 87. <br /> Richard Hubbard <br /> Sr.Technical Marketing Specialist <br /> BASF Corporation <br /> Admixtures Systems MASTER® <br /> 23700 Chagrin Boulevard »BUILDERS <br /> Clevelandd,,Ohio 44122 <br /> Telephone(216)839-7500 SOLUTIONS <br />