Site-Specific Health and Safety Plan (HASP) - Laschools.org

Table 8-1 Flagging Conventions for Data Evaluation and Validation of Organic Methods
LAUSD, South Gate, California
Quality Control Check
Holding Time
Evaluation
Holding time exceeded for extraction or
Flag
J positive results
Samples Affected
Sample, MS/MSD
analysis by > 2 times
R non-detects
Holding time exceeded for extraction or J positive results
analyses by < 2 times
UJ non-detects
a/
Sample, MS/MSD
Sample Preservation Sample not preserved J positive results
UJ non-detects
Sample, MS/MSD
Temperature Blank >8°C
J positive results (except PCBs)
UJ non-detects (except PCBs)
All samples in same cooler
>20°C (Volatile Compounds)
R all results
All samples in same cooler
Tune Ion abundance criteria J positive results
All associated samples in analysis
Set critical ions as defined in the NFG
UJ non-detect results
batch
b/ R all positive results and non-detects All associated samples in analysis
batch
Initial Calibration
(ICAL)
GC/MS: c/
RRF d/ 2X control criteria R all positive results and non-detects Compound in all associated samples
(ICAL) (continued)
GC:
in analysis batch
e/
For multi-component target compounds, at
least 3 peaks used with a RT f/ window of
±0.07 minutes each
%RSD
J positive results
UJ non-detects
Compound in all associated samples
in analysis batch
g/ linearity:
Correlation coefficient of curve < 0.995 J positive results
Compound in all associated samples
but > 0.990
UJ non-detects
in analysis batch
Correlation coefficient of curve < 0.990 R all positive and non-detects
Calibration Verification
(CCAL)
%RSD > 20%
If %RSD >2X control limit
GC/MS:
%D h/ ≥25% and RRF≥0.05
J positive results
UJ non-detects
R all positive and non-detects
J positive results
UJ non-detects
Compound in all associated samples
in analysis batch
Compound in all associated samples
in analysis batch
K:\Depts\Dept48\LAUSD\MSA WORK\Soil Investigation\OU 1 RAP\Appendix\Appendix H - QAPP\Tables.doc 5/7/2008
321