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

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

Specific Tests or<br />

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

344 <strong>of</strong> 391<br />

Method Used/Reference<br />

Standard<br />

24<br />

Bulk Density ASTM D501/ ASTM D501-03/ USP<br />

Sieve Analysis: Mesh No.<br />

(10/12/14/16/18/20/30/35/40/5<br />

0/60/70/80/100/120/140/200/3<br />

25<br />

24<br />

ASTM D359/ ASTM D501-03/ USP<br />

24<br />

Hydrochloric Acid<br />

Purity <strong>as</strong> HCl Titrimetric/ ASTM E224-96 (2002)/<br />

USP 24<br />

Residue After Ignition Gravimetric/ ASTM E224-96<br />

(2002)/ USP 24<br />

Fe (Iron) AAS (Air-Acetylene) / ASTM E224-<br />

96 (2002)/ USP 24<br />

As (Arsenic) AAS (Hydride) / ASTM E224-96<br />

(2002)/ USP 24<br />

Sulfated Ash Gravimetric/ ASTM E224-96<br />

(2002)/ USP 24<br />

Color/Appearance Visual/ ASTM E224-96 (2002)/<br />

USP 24<br />

Free Chlorine Qualitative/ ASTM E224-96 (2002)/<br />

USP 24<br />

Hydr<strong>of</strong>luoric Acid HF Titrimetric/ ASTM E271<br />

Fe Spectrophotometry/ ASTM E271<br />

Sulfuric Gravimetric/ ASTM E271<br />

Non-Volatile Acidity <strong>as</strong> H2SO4 Gravimetric/ ASTM E271<br />

Sulfur Dioxide Direct Titration/ ASTM E271<br />

Sulfuric Acid H2SO4 Titrimetric/ ASTM E223-96 (2002)<br />

e1<br />

Fe Spectrophotometry/ ASTM E223-<br />

96 (2002) e1<br />

As AAS (Hydride) / ASTM E223-96<br />

(2002) e1<br />

Non-volatile Matter Gravimetric/ ASTM E223-96 (2002)<br />

e1<br />

Free Chlorine ASTM E223-96 (2002) e1<br />

Nitric Acid (HNO3) HNO3 Titrimetric/ USP 24<br />

Residue on Ignition Gravimetric/ USP 24<br />

Chloride Qualitative/ USP 24<br />

Sulfate Gravimetric/ USP 24<br />

As AAS (Hydride) / USP 24<br />

Fe AAS (Air-Acetylene) / USP 24<br />

Phosphoric Acid (H3PO4) H3PO4 Titrimetric/ ASTM E358/ USP 24<br />

Residue on Ignition Gravimetric/ ASTM E358/ USP 24<br />

Fe AAS (Air-Acetylene) / ASTM E358/<br />

USP 24<br />

As Hydride/ ASTM E358/ USP 24<br />

Alkali Phosphates Qualitative/ ASTM E358/ USP 24<br />

Nitrite Qualitative/ ASTM E358/ USP 24<br />

Sulfate Qualitative/ ASTM E358/ USP 24<br />

Calcium Nitrate Ca (NO3)2 Calcium (Ca) AOAC 965.09 18 th ed. 2005<br />

Nitrate Nitrogen AOAC 892.01 18 th ed. 2005<br />

Ammoniacal Nitrogen AOAC 920.03 18 th ed. 2005<br />

Sodium Hypochlorite Available Chlorine Titrimetric/ ASTM D2022-89 (2003)<br />

Excess Alkali/Free NaOH Titrimetric/ ASTM D2022-89 (2003<br />

Fe (Iron) AAS (Air-Acetylene) / ASTM<br />

D2022-89 (2003)<br />

Specific Gravity Pycnometer/ ASTM D2022-89<br />

(2003)<br />

Non Volatile Matter Gravimetric/ ASTM D2022-89<br />

(2003)<br />

Suspended Solids Gravimetric/ ASTM D2022-89<br />

(2003)<br />

Calcium Hypochlorite Available Chlorine Titrimetric/ ASTM D2022-89 (2003)

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