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CORROSIVITY TEST RESULTS <br />(ASTM D516, CTM 643) <br />RESISTIVITY SULFATE CHLORIDE <br />SAMPLE Ph <br />(OHM-CM)CONTENT (%)CONTENT (%) <br />8-9/8-1 @ 0-50 7.86 723 2.15 <0.01 <br />8-10 / B-1@ 0-5'7.96 602 2.45 0.01 <br />CORROSIVITY PARAMETERS <br />SULFATE CONTENT (%)SULFATE EXPOSURE CEMENT TYPE <br />0.00 to 0.10 Negligible <br />0.10 to 0.20 Moderate 11, IP(MS), IS(MS) <br />0.20 to 2.00 Severe V <br />Above 2.00 Very Severe V plus pozzolan <br />SOIL RESISTIVITY (OHM-CM) <br />0 to 1,000 <br />1,000 to 2,000 <br />2,000 to 5,000 <br />5,000 to 10,000 <br />Above 10,000 <br />GENERAL DEGREE OF CORROSIVITY TO <br />FERROUS METALS <br />Very Corrosive <br />Corrosive <br />Moderately Corrosive <br />Mildly Corrosive <br />Slightly Corrosive <br />CHLORIDE (Cl) CONTENT (%) <br />0.00 to 0.03 <br />0.03 to 0.15 <br />Above 0.15 <br />GENERAL DEGREE OF CORROSIVITY TO <br />METALS <br />Negligible <br />Corrosive <br />Severely Corrosive <br />GROUP DELTA CONSULTANTS <br />1320 South Simpson Circle <br />Anaheim, CA 92806 <br />(714) 660-7500 office <br />(714) 660-7550 fax <br />Project Name: <br />Project Number: <br />Laboratory Number: <br />Sample Number: <br />Report Date: <br />Alliance-Broadstone Heritage <br />LA-1248A <br />SO.3994 <br />A-16-002 & A-16-003 <br />5/21/2016 <br />.