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Table 5 - Hawk's Nest Ntne - Hydrogen Ion Acttvlty (ph) <br /> Surface Mater Samples <br />i 1978-1983 <br /> <br />Date Hlstorlcal Record <br /> <br />1978 R1 R2 R3 R4 R5 R6 S1 S2 <br />4/25 7.7 7.1 <br />4/26 7.1 7.7 <br />11/21 7.6 7.1 1.7 7.6 <br />1980 <br />4/12 1.3 7.5 1.5 7.6 ).6 7.6 7.7 7.9 <br />7/14 7.8 7.7 7.8 7.7 7.6 7.5 7.5 1.8 <br />10/9 8.0 8.1 <br />10/10 7.9 7.6 7.7 7.7 <br />11/10 7.7 7.6 <br />1981 <br />4/4 7.5 1.6 7.8 7.7 1.6 1.6 <br />6/29 7.8 1.5 1.4 7.6 1.3 7.4 <br />10/8 7.1 - 7.2 1.1 7.1 7.1 <br />1982 <br />• <br />i2* 7.38 7.72 1.61 7.74 1.64 1.77 <br />7/6 8.1 1.8 8.0 8.0 8.1 8.2 <br />10/1 1.0 7.25 7.2 6.8 6.89 6.95 <br />* Data not reliable or vertflable <br /> <br />Date Report Data <br /> <br />1983 R1 R2 R3 R4 RS R6 Coal Gulch <br />1/4 1.15 7.1 1.5 7.5 7.4 1.4 <br />3/25 8.0 7.95 1.85 1.8 7.8 7.6 <br />6/16 8.0 <br />7/15 6.9 6.85 7.0 6.9 7.1 6.75 7.25 <br />10/11 1.85 1.75 7.75 7.8 7.35 1.3 <br />• <br />2.04-50 ~aci <br />