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AUG-48-97 MON 17: 12 W R GKHUr HNU UU rnn ptu. :J1U4ULCJUJL <br /> Construction Products Division <br /> GRACE W.R.( roco&Co.-Conn. <br /> 6960 Koll Centcr Parkway <br /> Suite SU/ <br /> Pleasanton.CA 94566 <br /> (510)462.9620 <br /> August 18, 1997 <br /> CSR WEST <br /> P.O. Box 2037 <br /> Everett, WA 98203 <br /> Gentlemen: <br /> This is to certify that DARAVAIR-1000, an air-entraining admixture, as manufactured and <br /> supplied by the Construction Products Division, W. R. (trace & Co.-Conn., is formulated to <br /> comply with Specification for Air-Entraining Admixtures for Concrete, ASTM Designation: <br /> C 260 (AASHTO M 154). <br /> DARAt/AIR-1000 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. The maximum allowable chloride <br /> ion content is 500 ppm. <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 /> Michael Gardner <br /> Technical Service Manager <br /> Authorized Signature . <br /> STATE OF CALIFORNIA <br /> COUNTY OF ALAMEDA <br /> Subscribed and sworn to, before me,August 18, 1997. <br /> A./... �i <br /> Notary 'ublic <br /> po KARIN O.WALTERS <br /> •- <br /> );;;;.,„61/11: . COMMISSION 1124524 -o <br /> � '�•J NOTARY PUBLIC•CALIFORNIA t�i <br /> °" `�I'.A" ALAMEVA COUNTY <br /> ,,. Comrittioa E>rpins J2n.26,2001 <br /> AUG-18-1997 17:17 5104629632 96% P.03 <br />