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REP13057
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REP13057
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Entry Properties
Last modified
8/24/2016 11:43:31 PM
Creation date
11/27/2007 1:05:14 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1980005
IBM Index Class Name
Report
Doc Date
3/8/1984
From
PEABODY COAL CO
To
MLR
Permit Index Doc Type
HYDROLOGY REPORT
Media Type
D
Archive
No
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PEABODY COAL COMPANY WATER SAMPLES <br />DISSOLVED LEAD ANALYSIS <br />QUALITY CONTROL SAMPLE RESULTS <br />Analysis Date Duplicate Samples (ug/1) Spike Sample (ug/1) Std. Ref. Sample (ug/1) Blank Standard (ug/1) <br />#1 #2 Diff. O.V. T.V. P% O.V, T.V. P% (ug/1) O.V. T.V. P% <br />6/27/83 30 50 20 330 326 101 20 24 83 <20 121 125 97 <br />7/3/84 <20 <20 0 341 326 105 400 400 100 <br />7/3/83 <20 <20 0 348 326 107 90 120 75 20 122 125 98 <br />10/26/83 70 70 0 192 185 104 150 120 ]25 • <br />10/26/83 90 90 0 189 185 102 <br />10/26/83 <20 <20 0 190 185 103 <20 125 125 100 <br />11/7/83 20 20 0 I89 185 102 140 120 117 <br />11/7/83 120 120 0 188 185 102 <br />11/7/83 60 10 10 186 185 101 <20 130 125 104 <br />11/28/83 <20 <20 0 191 185 106 430 435 99 <br />11/28/83 50 40 10 185 185 100 <br />11/28/83 90 70 20 191 185 103 <20 125 125 100 <br />X= 5 X= 103 X= 100 X= 100 <br />SD= 8 SD= 2 SD= 19* SD= 3~ <br />Explanation of Abbreviations <br />#1: First duplicate value <br />#2: Second duplicate value <br />Diff: Difference <br />O.V.: Observed value <br />T.V.: True value <br />P%: Percent Recovery <br />Std Ref.: Standard Reference (EPA) <br />* The standard deviation (SD) for Standard Reference Samples is somewhat high due to the low concentration of the analyte <br />in some of the Standard Reference Samples. A smal] error in the O.V. of the Standard Reference Sample that has a low ~ <br />concentration of the analyte will cause P% to be excessively high or low. i <br />
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