1999-04-08_REVISION - M1977208

• Permit No: M1977208
• IBM Index Class Name: Revision
• Doc Date: 4/8/1999
• Doc Name: Samples for CKD
• Type & Sequence: TR1
• Media Type: D
• Archive: No

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' ~ BARRING.~'R LABORATORIES, INC.
' 15000 W.6TN AVE., SUITE 300 GOLDEN, CO 60401 [phone] FAX [phone]
Banks and Gesso LLC
QUALITY CONTROL REPORT
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Aluminum Barium Beryllium
Total Total Total
Sample Id mgJl mg/1 mg/1
Blank U U U
LCS (True) 10.0 10.0 1.00
LCS (Found) 9.50 10.0 0.95
LCS % Rec 95.0 100 95.4
Duplicate 0.10 0.04 U
Duplicate 0.10 0.04 U
RPD 0.7 0.3 NC
Spike % Rec 98.0 102 94.7
Cadmium Chromium
Total Total
Sample Id mg/1 mg/1
Blank U U
LCS (True) 1.00 2.00
LCS (Found) 0.93 1.97
LCS % Rec 93.4 98.6
Duplicate U U
Duplicate U U
RPD NC NC
Spike % Rec 83.7 97.6
Lead
Total
Sample Id mg/1
Blank U
LCS (True) 5.00
LCS (Found) 4.84
LCS % Rec 96.8
Duplicate U
Duplicate U
RPD NC
Spike % Rec 94.6
28-Apr-99
Page: Q-1
Job: 991821E
Status: Final
Boron Calcium
Total Total
mg/1 mg/1
U U
1.00 20.0
1.00 19.4
100 96.8
0.1 118
0.1 118
(4) 0.6
99.1 NA
Cobalt Copper Iron
Total Total Total
mg/1 mg/1 mg/1
U U U
5.00 2.00 10.0
4.87 1.96 9.99
97.5 98.2 99.9
U U U
U U U
NC NC NC
94.8 102 100
Lithium Magnesium Manganese Molybdenum
Total Total Total Total
mg/1 mg/1 mg/1 mg/1
U U U U
1.00 20.0 1.00 1.00
0.96 19.4 1.00 0.97
96.2 96.8 100 96.9
0.08 3.4 U 3.54
0.08 3.4 U 3.56
(4) 0.5 NC 0.6
104 NA 98.8 92.8
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