Site-Specific Health and Safety Plan (HASP) - Laschools.org
Site-Specific Health and Safety Plan (HASP) - Laschools.org
Site-Specific Health and Safety Plan (HASP) - Laschools.org
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Table 8-2 Flagging Conventions for Data Evaluation <strong>and</strong> Validation of In<strong>org</strong>anic <strong>and</strong> Wet Chemistry Methods<br />
LAUSD, South Gate, California<br />
Quality Control Check Evaluation Flag Samples Affected<br />
Holding Time Holding time exceeded for digestion or J positive results<br />
Sample only<br />
analysis by < 2 times<br />
UJ non-detected results<br />
exceeded by > 2 times<br />
J positive results<br />
R non-detects.<br />
Sample only<br />
Sample Preservation Sample preservation requirements not met J positive results<br />
UJ non-detects for all methods except<br />
mercury<br />
R mercury non-detects<br />
Sample only<br />
Temperature Blank >8°C J positive results<br />
UJ non-detects<br />
Samples in same cooler<br />
Initial (Multipoint) Calibration Correlation coefficient of curve < 0.995 J positive results<br />
All associated samples in analysis<br />
but > 0.990<br />
UJ non-detects<br />
batch<br />
Correlation coefficient of curve < 0.990 R positive results<br />
All associated samples in analysis<br />
Calibration St<strong>and</strong>ard Check Recovery above UCL<br />
R non-detects<br />
batch<br />
a/ or below LCL b/ R positive results<br />
All associated samples in analysis<br />
Calibration Verification: ICV<br />
R non-detects<br />
batch<br />
c/ ,<br />
CCV d/<br />
ICP/GFAA, WET Chemistry:<br />
%R e/ between 75-89%<br />
UJ non-detects<br />
All associated samples in analysis<br />
J positive results<br />
batch for ICV<br />
or 111-125%<br />
Hg:<br />
K:\Depts\Dept48\LAUSD\MSA WORK\Soil Investigation\OU 1 RAP\Appendix\Appendix H - QAPP\Tables.doc<br />
5/7/2008<br />
No qualification for non-detects with<br />
111-125%R<br />
%R < 75% R positive results Samples after failed CCV until<br />
next in control CCV<br />
%R > 125% R positive results<br />
Samples after failed CCV until<br />
No qualification for non-detects next in control CCV<br />
J positive results Samples after failed CCV until<br />
%R between 65-79% or 121-135%<br />
next in control CCV<br />
%R between 65-79% UJ non-detects<br />
%R < 65% R positive results All associated samples in analysis<br />
batch<br />
%R > 135% R positive<br />
No qualification for non-detects<br />
Interference Check Sample (ICS) %R > UCL J positive results All associated samples in analysis<br />
325
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