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COMMt~C1AL. TF~STING L>>~ORATOFIIES <br />A DIVISION OF CTL-TF-40MPSON <br />22 LIPAN STREET DENVER, COLORA00 80223 ~ 3D3 / 825-3207 <br />• Report (dent. No.: 6209 (Set 6) <br />CTL/Thompson, Inc. <br />1702 South Federal Blvd. Report Date: btay 15, 1980 <br />Suite D <br />Denver, Colorado 80219 <br />Attn: Bill Hoffman <br />REPORT OF COMPRESSIVE STRENGTH TESTS. CONCRETE SPECIMENS <br />Project: Energy Fuels Coal Mine, Eckman Park, Pond A <br />Location: Rise Box and Gate Valve Box <br />Cast Date: 5-2-80 Time: 4:45 BY BB <br />Concrete Mix: Not Submitted Batch Time: <br />Supplier: h1tn. Mobile TicketNo.: C-17460 <br />PHYSICAL PROPERTIES OF CONCRETE <br />Slump 23 in. Air-Content ~° .Unit Weight <br />COMPRE <br />Specimen <br />No. <br />SE1' ~6: <br />1 <br />2 <br />iSIVE STRENGTHS <br />Age Diameter Strength <br />Days In. Psi <br />7 3180 <br />7 - 2970 <br />Truck No.: <br />pcf Conc. Temp. °F g2 <br />Remarks, <br />COMMERCIAL TESTING LABORATORIES <br />• By /~CZ~w"~' ~ ~~~~"/~ Specified Strength 3000 psi @?~days <br />Preston B. Fraker, P.E. <br />