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__ , .., _ COMMERCIAL TESTING LABORATORIES <br /> 3 A DIVISION OF CTL/THOMPSON, INC. <br /> CHEMICAL AND PHYSICAL ANALYSIS OF FLY ASH <br /> TICKET NUMBER: 3898 JOB NUMBER: CT-4058 REPORT DATE: 4/10/98 <br /> REPORT TO: Pozzolanic International <br /> 7525 SE 24th Street <br /> Suite 630 <br /> Mercer Island WA 98040 <br /> PLANT OF ORIGIN: Centralia US <br /> SAMPLE ID: 02-98 - <br /> DOCKET: 39086-39618 <br /> SAMPLE DATE: 2/24/98- ASTM: C 618-97 <br /> DATE RECEIVED: 3/2/98 SPECIFICATIONS <br /> CHEMICAL COMPOSITION (%): CLASS F CLASS C <br /> SILICON DIOXIDE: 47.80 <br /> ALUMINUM OXIDE: 24.97 <br /> IRON OXIDE: 5.86 <br /> TOTAL SILICA,ALUMINUM,IRON: 78.63 70.0 Min 50.0 Min <br /> SULFUR TRIOXIDE: 0.21 5.0 Max 5.0 Max <br /> CALCIUM OXIDE: 9.09 3.0 Max <br /> MOISTURE CONTENT: 0.04 3.0 Max <br /> LOSS ON IGNITION: 0.14 6.0 Max 6.0 Max <br /> PHYSICAL TEST RESULTS: <br /> FINENESS, RETAINED ON#325 SIEVE,(%): 22.67 34 Max 34 Max <br /> STRENGTH ACTIVITY INDEX <br /> WITH PORTLAND CEMENT(%) <br /> RATIO TO CONTROL©7 DAYS: 80.8 <br /> RATIO TO CONTROL @ 28 DAYS: 90.4 75 Min 75 Min <br /> WATER REQUIREMENT, %OF CONTROL: 94.2 105 Max 105 Max <br /> SOUNDNESS,AUTOCLAVE EXPANSION(%): -0.010 0.8 Max .8 Max <br /> DENSITY: 2.30 <br /> : 3Jaa0��`)'UU).>7 0 <br /> y4.1;"?-- .;.., <br /> :.. <br /> COM AL TESTIN LABO ,,y =3;,,;Z <br /> BY ,Kes.-;/;e"( --j?"ORVILLE R.WERNER II, P. r.).)-3;).,04/44141.(/ <br /> 22 LIPAN STREET DENVER, COLORADO B0223 303 / B25-3207 <br /> This test report relates only to the items tested and shall not be reproduced, except in full, without written approval of Commercial Testing Laboratories <br />