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

Products/
Class of Test
Specific tests or
Measurements
Page 109 of 391
Standard Method/
Reference Standard
Ammonia (NH3) 4500-NH3 G, Aqua Tester Orbeco-
Phenate Method / SMEWW 21st ed.,
Total Hardness (Ca & Mg
Hardness)
2005
2340 C, Titrimetric Method / SMEWW
21st ed., 2005
2.36 Constituents of the environment
.03 Air Nitrogen Oxides as NO2 (NOX) Method 7 CFR 40 Part 60 Revised as of
July 1, 2000/ Phenoldisulfonic Acid
Sulfur Dioxides (SO2) – Method 8, CFR 40 Part 60 Revised as
Sulfuric Acid (H2SO4) – of July 1, 2000/ Barium-Thorin Titration
Sulfur Trioxide (SO3) –
Particulate Matter (PM) Method 5 CFR 40 Part 60 Revised as of
July 1, 2000, Gravimetric
Ammonia (NH3) Method 401, James P. Lodge, Methods
for Ambient Air Sampling & Analysis,
.04 Soils
.06 Sludge
.09 Atmospheric dust fall Total Suspended Particulates
3rd Ed.
Metals – Al, Sb, Cd, Cr, Cu, Fe, EPA 6010, Flame AAS Method / SW
Pb, Mg, Mn, Ni, Sn, V, Zn
846, EPA (USA)
Arsenic (As) EPA 6010, Hydride Generation- AAS
Method / SW 846, EPA (USA)
Chromium hexavalent (Cr +6 ) EPA 6030, Diphenylcarbazide /
Colorimetric Method / SW 846, EPA
(USA)
Mercury (Hg) EPA 245.5, Cold Vapor Technique –
AAS Method / SW 846, EPA (USA)
Method 501, Gravimetric, James P.
(TSP) - 1hr
Lodge, Methods for Ambient
Particulate Matter