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

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Table 6-2<br />

Practical Quantitation Limits<br />

Los Angeles Unified School District Proposed South Region Highschool #9 <strong>and</strong> Middle School #4<br />

Method/Analyte a/<br />

PQL c/<br />

Water b/<br />

MCL (Fed.) d/ MCL (CA) e/<br />

l/ Action Level (AL) = health-based advisory levels established by the California Department of <strong>Health</strong> Services (DHS) for<br />

chemicals in drinking water for which primary MCLs have not been adopted.<br />

m/ Secondary California Maximum Contaminant Level for drinking water (Title 22 CCR)<br />

n/ ICP = Inductively coupled plasma spectroscopy<br />

o/ mg/L = milligram per Liter<br />

p/ mg/kg = milligram per kilogram<br />

q/ The soil PQL for arsenic is greater than the residential soil PRG, but less than naturally occuring background levels of arsenic in soil.<br />

r/ Lead <strong>and</strong> copper are not regulated by MCLs, but in a Treatment Technique for water pipeline systems.<br />

s/ California Action Level (Title 22 CCR)<br />

t/ California Secondary Maximum Contaminat Level for drinking water (Title 22 CCR)<br />

u/ Required MDL identified in LARWQCB's letter "Leaking Underground Storage Tanks Program-Updated Laboratory Testing Requirements" dated June 22, 2000.<br />

v/ Low Level Method (DHS) will be used to achieve a PQL lower than the PRG.<br />

Table6-2rev4.xls<br />

PRG f/<br />

Soil<br />

PQL PRG g/<br />

Page 8 of 8<br />

5/7/2008<br />

312

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