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<br />Table 13. Comparison of post-processing split-replicate samples for general chemical constituents-Continued <br /> <br />[Diff. 1, difference in units of constituent; Diff. 2, difference in lowest rounding unit; mgIL, milligrams per liter; J!glL, micrograms per liter; J!S/cm, microsiemens per centimeter <br /> at 25 degrees Celsius; <br />shaded cells represent differences greater than plus or minus 1 lowest rounding unit; lowest rounding unit is equal to the magnitude of the least significant figure] <br /> <br /> Manganese <br />Split A Split B Ditt.1 Ditt.2 <br />(J!g1L) (J!g/L) (J!g1L) <br />1 1 0 0 <br />17 17 0 0 <br />3 3 0 0 <br />21 21 0 0 <br />3 3 0 0 <br />10 10 0 0 <br />2 2 0 0 <br />12 12 0 0 <br /> 0 0 <br /> 100 100 <br /> 100 <br /> <br /> Silica <br /> Station Date Split A Split B Ditt.1 <br /> (mglL) (mg/L) (mglL) Ditt.2 <br /> State Line 091096 12 12 0 0 <br /> Cameo 051396 8.7 8.7 0 0 <br /> Gunnison Tunnel 062995 16 16 0 0 <br /> Gunnison at 32 Road 071895 9.1 9.2 -0.1 -1 <br /> East 113095 6.8 6.7 0.1 1 <br /> East 051696 5.4 5.4 0 0 <br /> Gore 082396 5.1 5.1 0 0 <br /> Baker 081895 6.9 6.9 0 0 <br /> Maximum difference :to.1 :1:1 <br /> Percent of samples with 75 75 <br /> no difference <br /> Percent of samples 100 <br /> within plus or minus 1 <br /> lowest rounding unit <br /> Laboratory pH <br />0 Station Date Split A Split B Ditt.1 <br />c: (standard units) Ditt.2 <br />:roo <br />r- State Line 091096 8.1 8.1 0 0 <br />:::::j <br />-< Cameo 051396 7.9 7.8 0.1 1 <br />(, <br />0 Gunnison Tunnel 062995 <br />z <br />-I Gunnison at 32 Road 071895 7.8 7.9 -0.1 -1 <br />:u <br />0 East 113095 7.7 7.6 0.1 1 <br />r- <br />en East 051696 7.8 7.7 0.1 1 <br />:roo <br />s:: Gore 082396 8.0 8.1 -0.1 -1 <br />" <br />r- <br />Z Baker 081895 7.2 7.3 -0.1 -1 <br />C) Maximum difference -0.5 -5 <br />" <br />:u Percent of samples with 12 12 <br />0 <br />C) no difference <br />:u <br />:roo Percent of samples 88 <br />s:: <br /> within plus or minus 1 <br />N lowest rounding unit <br />.... <br /> <br /> <br /> Iron <br />Split A Split B Ditt.1 Ditt.2 <br />(J!g1L) (J!g/L) (J!g/L ) <br />3 3 0 0 <br />84 83 1 1 <br /> <br />Residue on evaporation <br /> <br />Split A Split B Ditt. 1 <br />(mglL) (mg/L) (mg/L) <br />iilliii!illl~il!I!I!i!!!,llllllllil~I:!!il!i!illlill!i:llm!~I~,il!:W:lllliii!i!lliifif!iililill:l,: <br />210 210 0 0 <br /> <br />Ditt.2 <br /> <br /> <br />-22 <br />29 <br /> <br />-22 <br />29 <br /> <br /> <br />3 0 <br />4 5 -1 -1 <br />200 190 10 1 <br /> 10 3 <br /> 25 25 <br /> 75 <br /> <br />Laboratory specific conductance <br />Split A Split B Ditt.1 Ditt.2 <br />J!S/cm J!S/cm J!S/cm <br />1,230 1,230 0 0 <br />332 332 0 0 <br />141 142 -1 -1 <br />157 157 0 0 <br />316 317 -1 -1 <br /> <br />29 <br /> <br />-11 <br />38 <br /> <br />-11 <br />38 <br /> <br />75 <br />