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              Final Stage 2 Data Report
Final Report Page 31 August 2007
Table 9. Measurement Objectives and Criteria Check
MS/MSD * LCS *
Parameter
Minimum
Measurement
Criteria
Minimum
Measurement
Objectives
Method*;
MDL1
QA
check
Accuracy
(%
recovery)
QA
check
Precision
(RPD)
QA
check
Accuracy
(%
recovery)
QA
check
Completeness
Criteria
QA
check
Dissolved
Oxygen NA 0.1 mg/l s Field; NA S NA NA NA NA NA NA 90% S3
(83%)
Water
Temperature NA 0.1 degree C s Field; NA S NA NA NA NA NA NA 90% S3
(83%)
pH NA 0.1 pH units Field; NA S NA NA NA NA NA NA 90% S
(162%)
Ammonia 15.0 mg/lG 3.0 mg/l
EPA 350.1/
350.3;
0.01/0.03
mg/l
S (0.01
mg/l) 80-120% S 20% S 80-120% S 90% S3
(88%)
BOD5 No Standard No Standard
EPA 405.1/
SM5210 B; 2
mg/l
S (2
mg/l) NA NA 20% S NA NA 90% S3
(88%)
Iron, Total &
Dissolved 0.017 mg/lG, 2 0.005 mg/l EPA 200.8;
0.02 mg/l
S (0.02
mg/l) 70-130% S (80-
120%) 20% S 80-120% S 90% S
(97%)
Manganese,
Total 1 mg/lG 0.2 mg/l EPA 200.8
0.02 mg/l
S (0.02
mg/l) 70-130% S (80-
120%) 20% S 80-120% S 90% S
(98%)
Notes
1 Method Detection Limit (MDL) from SM and EPA.
2 Calculated acute standard based on a minimum water hardness of 100 mg/L as CaCO3
* Limits are subject to change based upon capabilities of contract labs
G State of Illinois General Use Water Quality Standard
s Required sensitivity
EPA U.S. EPA Methods for Chemical Analysis of Water and Wastes, March 1983
NA Not Applicable
SM Standard Methods of the Examination of Water and Wastewater, 20th Edition
S QA check is satisfactory, criteria met
S3 QA check is satisfactory for adjusted criteria