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TABLE 3-2 r��i� ITASCA <br /> Denver, Inc. <br /> NAG Testing Results <br /> Sample Rock-Type Flush Sulfate NAG pH <br /> p Group (mg/L) (kg H2SO4/t) (s.u.) <br /> 1 8.2 9.1 <br /> AP71 Aphanitic 2 3.7 4 4 5.5 <br /> Phonolite 3 1.7 2.2 <br /> 4 1 1 <br /> 1 39.3 <br /> B12 Breccia 2 6.7 2 3.8 <br /> 4 1.7 <br /> 5 1 <br /> B2 Breccia 1 129 < 1 8.1 <br /> 1 323 <br /> B3 Breccia 3 51. 1 4.1 <br /> 4 1 <br /> 1 353 <br /> B5 Breccia 2 63.2 14 3.0 <br /> 3 11.4 <br /> 4 6.9 <br /> 1 679 <br /> B7 Breccia 2 372 54 2.3 <br /> 3 103 <br /> 4 45.8 <br /> 1 16.1 <br /> B8 Phonolite 2 4.5 1 5.0 <br /> Breccia 3 1.2 <br /> 4 1.1 <br /> 1 473 <br /> L2 Lamprophyre 3 2 42 2.3 <br /> 4 28.7 <br /> Precambrian- 1 650 <br /> PC3 Biotite 3 22 54 2.2 <br /> Schist/Gneiss <br /> 4 10.5 <br /> 1 11.3 <br /> PP2 Porphyritic 2 3.7 < 1 6.4 <br /> Phonolite 3 1.2 <br /> 4 1.1 <br /> 1 9.1 <br /> PP4 Porphyritic 2 3.6 2 6.1 <br /> Phonolite 3 3.4 <br /> 4 1.5 <br /> 1 859 <br /> PP6 Porphyritic 2 191 81 2.0 <br /> Phonolite 3 25.4 <br /> 4 20 <br /> Note: <br /> 1. Duplicate sulfate analyses conducted for each flush. <br />