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RUG-.18-9i MON 11: 12 w K. lmi-tt,r. tura c,u I <br /> Construction Products Division <br /> GRACE W.R.Grow&Co.-Conn. <br /> 6960 Koll Center Parkway <br /> Suite 307 <br /> Pleownton,CA 94566 <br /> (510)462-9620 <br /> August 18, 1997 <br /> • <br /> CSR WEST <br /> P.O. Box 2037 <br /> Everett, WA 98203 <br /> Gentlemen: <br /> This is to certify that DARACEM-55,a mid-range water reducing admixture, as manufactured <br /> and supplied by the Construction Products Division, W. R. Grace& Co.-Conn., is forrnulatcd to <br /> comply with Specification for Chemical Admixtures for Concrete,ASTM Designation: C 494, <br /> Type A(AASHTO M 194,Type A). <br /> DARACEM-55 does not contain calcium chloride or chloride containing compounds as a <br /> functional ingredient. Chloride ions may be present in trace amounts contributed from the <br /> domestic water supply used during the manufacturing process. <br /> The foregoing is in addition to and not in substitution for our standard Conditions of Sale printed <br /> on the reverse side hereof. <br /> l f. "IAI. °I-- --. <br /> •Michael Gardner <br /> Technical Service Manager <br /> Authorized Signature <br /> STATE OF CALIFORNIA <br /> COUNTY OFALAMEDA <br /> Subscribed and sworn to, before me,August 18, 1997. <br /> V % .tilgitz,, <br /> N Tory Public ^o " o o " " O...4" ~ " <br /> n <br /> KARIN D. WALTERS <br /> •- COMMISSION1124524NOTARY PUBLIC.CALIFORNIA 7 <br /> L ' c ! <br /> MEOA COUNlo E"ins Jin.26, 01Y �J vYv--v <br /> AUG-18-1997 17:16 5104629632 97% P.02 <br />