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PAO Accredited Laboratories (as of Dec. 2012) - DTI

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Products /<br />

Cl<strong>as</strong>s <strong>of</strong> Test<br />

.05 Sewage<br />

.06 Industrial W<strong>as</strong>te<br />

Specific tests or<br />

Me<strong>as</strong>urements<br />

Page 41 <strong>of</strong> 391<br />

Standard Method /<br />

Reference Standard<br />

Iron AAS / SMEWW 3030 F, a<br />

Manganese AAS / SMEWW 3030 F, a<br />

Copper AAS / SMEWW 3030 F, a<br />

Zinc AAS / SMEWW 3030 F, a<br />

Arsenic Colorimetry / SMEWW 3500As B<br />

Cadmium AAS / SMEWW 3030 F, a<br />

Chromium AAS / SMEWW 3030 F, a<br />

Lead AAS / SMEWW 3030 F, a<br />

Mercury AAS / SMEWW 3112B<br />

Boron Colorimetry / SMEWW 4500B C<br />

OCP GC-ECD / SMEWW6410 B:<br />

USEPA 505 & 508.1<br />

PCB GC-ECD / SMEWW6410 B:<br />

USEPA 505 & 508.1<br />

Chloride Titrimetry / SMEWW 4500-Cl B<br />

Biochemical Oxygen Demand<br />

(BOD)<br />

Azide Modification / SMEWW 5210B<br />

Chemical Oxygen Demand Open Reflux / SMEWW 5220B<br />

(COD)<br />

Oil and Gre<strong>as</strong>e Gravimetry / SMEWW 5520B<br />

Total Dissolved Solids (TDS) Gravimetry / SMEWW 2540C<br />

Total Suspended Solids (TSS) Gravimetry / SMEWW 2540D<br />

Settleable Solids (SS) Imh<strong>of</strong>f Cone/ SMEWW 2540F<br />

pH Gl<strong>as</strong>s Electrode / SMEWW 4500-H+<br />

Chromium Hexavalent Colorimetry / SMEWW 3500-Cr B<br />

Copper AAS / SMEWW 3030 F, a<br />

Iron AAS / SMEWW 3030 F, a<br />

Lead AAS / SMEWW 3030 F, a<br />

Zinc AAS / SMEWW 3030 F, a<br />

Arsenic Colorimetry / SMEWW 3500As B<br />

Cadmium AAS / SMEWW 3030 F, a<br />

Chromium AAS / SMEWW 3030 F, a<br />

Legends to Reference Standards:<br />

AOAC - Association <strong>of</strong> Official Analytical Chemists<br />

SMEWW - Standard Methods for the Examination <strong>of</strong> Water and W<strong>as</strong>tewater

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