39 / 44
Ref. No. [UMCES] CBL 2017-050
ACT VS17-05
39
•
The sampling design performed very well and is very robust with respect to changing conditions.
•
Sufficient samples were taken to enable the reviewer to see an effect if it were present.
Audit of Data Quality.
The ACT QA Manager conducted an Audit of Data Quality (ADQ) on verified data to
document the capability of ACT’s data management system to collect, analyze, interpret, and report
data as specified in the Test Protocols, QAPP, and SOPs. The ADQ determined that the data were
accumulated, transferred, reduced, calculated, summarized, and reported correctly. There is
sufficient documentation of all procedures used in the data collection and analysis to verify that the
data have been collected in accordance with ACT quality objectives.
Table 10
.
Results of Field Duplicates (FD) for the Maumee River mooring test.
Date/Time
Rep
NO
3
Mean
Std Dev
ABS Diff
CV%
6-16-16 9:00
FD1
5.363
5.369
0.0077
0.011
0.14
FD2
5.374
6-17-16 12:00
FD1
4.938
4.876
0.0876
0.124
1.80
FD2
4.814
6-20-16 10:00
FD1
3.023
3.036
0.0174
0.025
0.57
FD2
3.048
6-23-16 11:00
FD1
2.568
2.486
0.1167
0.165
4.70
FD2
2.403
Table 11. Results of Field Duplicates (FD) for the Chesapeake Bay, MD mooring test.
Date/Time
Rep
NO
3
Mean
Std Dev ABS Diff
CV%
7-20-16 10:00
FD1
0.0033
0.0033
0.0000
0.0001
1.43
FD2
0.0033
7-26-16 14:00
FD1
0.0020
0.0014
0.0009
0.0013
65.53
FD2
0.0007
8-2-16 10:00
FD1
0.0015
0.0015
0.0000
0.0000
0.00
FD2
0.0015
8-10-16 16:00
FD1
0.0336
0.0198
0.0194
0.0274
97.71