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3 23315 Dike Road <br /> Anmgton.WA 98223 360.435.5791 <br /> L"i'I.I.fr7.{7.L <br /> /�. CPC Materials.Inc. <br /> Concrete Mix Evaluation Report <br /> ACI 318 Required Average Strength <br /> Mix ID 0350AP Number Of Tests 43 <br /> Mix Name 5000 PSI AEA WRA Average Strength 6270 psi <br /> Design Strength(f'c) 5000 psi @ 28 Days St Dev 405 psi <br /> Required Strength(f'cr) 5540 psi @ 28 Days St Dev(Modified) 405 psi <br /> Comp Acceptance <br /> Air Strength Strength <br /> Slump Content (7-Day) (28-Day) <br /> Sample Date Plant/Mix Lab (in) (%) (psi) (psi) <br /> 02/08/2023 603R/0350AP 4.5 4960 6830 <br /> 02/14/2023 603R/0350AP 4960 6390 <br /> 02/27/2023 603R/0350AP 6 4490 5630 <br /> 05/30/2023 603R/0350AP 5.5 5 5310 5710 <br /> 06/15/2023 603R/0350AP 5 5.2 5170 6130 <br /> Average 5.49 5.6 5228 6270 <br /> Minimum 4.00 4.4 4200 5580 <br /> Maximum 8.00 7.0 6830 7450 <br /> Standard Deviation 0.960 0.82 405 <br />