FINAL SAMPLING AND ANALYSIS PLAN - Documents for Moffett Field
FINAL SAMPLING AND ANALYSIS PLAN - Documents for Moffett Field
FINAL SAMPLING AND ANALYSIS PLAN - Documents for Moffett Field
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Table 28-3. Laboratory Quality Control Samples – Water/EPA Method 6010B<br />
Matrix Water<br />
Analytical<br />
Group<br />
Metals<br />
Method/SOP<br />
EPA 6010B<br />
Reference<br />
QC Sample<br />
Method<br />
Blank<br />
Frequency/<br />
Number 1<br />
1/batch<br />
Method/SOP<br />
QC Acceptance<br />
Limits<br />
No detects ≥ ½<br />
QL<br />
LCS 1/batch 80%-120%<br />
Postdigestion<br />
Spike<br />
Serial<br />
Dilution<br />
When dilution<br />
fails<br />
1/batch<br />
75%-125%<br />
≤10% <strong>for</strong><br />
analytes with<br />
concentration<br />
>50x QL<br />
MS/MSD 1/batch 80%-120%<br />
Method of<br />
Standard<br />
Addition<br />
When matrix<br />
interference is<br />
suspected<br />
Corrective<br />
Action<br />
Reanalyze with<br />
all associated<br />
samples<br />
Reprep and<br />
reanalyze the<br />
LCS and all<br />
samples<br />
Analyze<br />
samples by<br />
method of<br />
standard of<br />
addition<br />
Per<strong>for</strong>m post<br />
digestion spike<br />
If the result is<br />
indicative of<br />
matrix<br />
interference,<br />
discuss in the<br />
case narrative.<br />
Otherwise,<br />
check <strong>for</strong> a<br />
possible source<br />
of error, and<br />
extract/reanalyz<br />
e the sample.<br />
Person(s)<br />
Responsible<br />
<strong>for</strong> Corrective<br />
Action<br />
Analyst<br />
Data Quality<br />
Indicator<br />
(DQI)<br />
Accuracy<br />
Measurement<br />
Per<strong>for</strong>mance<br />
Criteria<br />
No detects ≥ ½<br />
QL<br />
Analyst Accuracy 80%-120%<br />
Analyst Accuracy 75%-125%<br />
Analyst<br />
Analyst<br />
Accuracy<br />
Interferences -<br />
Accuracy/Bias<br />
- Precision<br />
≤10% <strong>for</strong><br />
analytes with<br />
concentration<br />
>50x QL<br />
80%-120%<br />
NA NA NA Interferences NA<br />
Notes:<br />
1<br />
Batch is equivalent to 20 or fewer samples prepared and analyzed together with common QC samples.<br />
Final Sampling and Analysis Plan<br />
Installation Restoration Site 29, Hangar 1<br />
Former Naval Air Station, <strong>Moffett</strong> <strong>Field</strong>, <strong>Moffett</strong> <strong>Field</strong>, Cali<strong>for</strong>nia<br />
DCN: AMEC-8816-0005-0039<br />
April 2010<br />
Page 28-3
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