Analytical Methodology and Instrumentation

Analysis	* Method # (with Modifications)	Instrumentation
Alkalinity	APHA 2320, titrate to pH 4.5. Modifications: Use 0.02NNa2CO3 and 0.02N H2SO4	ManTech PC-Titrate Auto Titrator System
Ammonia	APHA 4500-NH3 H; EPA 350.1 (salicylate)	Lachat QuikChem 8500
Bromide	APHA 4110 B; EPA 9056A	Dionex 1500 Ion Chromatograph
Calcium	APHA 3111 D; flame atomic absorption spectroscopy	Shimadzu AA-7000
Carbon, Inorganic	APHA 5310 B	Shimadzu TOC-VCSH Combustion Analyzer
Carbon, Organic	APHA 5310 B	Shimadzu TOC-VCSH Combustion Analyzer
Chloride	APHA 4110 B; EPA 9056A	Dionex 1500 Ion Chromatograph
Color	APHA 2120	Hach Color Kit
Iron	APHA 3111 B; flame atomic absorption spectroscopy	Shimadzu AA-7000
Magnesium	APHA 3111 B; flame atomic absorption spectroscopy	Shimadzu AA-7000
Manganese	APHA 3111 B; flame atomic absorption spectroscopy	Shimadzu AA-7000
Nitrate + Nitrite	APHA 4500-NO3 I; EPA 353.2. Cadmium reduction method	Lachat QuikChem 8500
Nitrogen, Total	APHA 4500-NO3 F; APHA 4500-P J. Persulfate digest	Lachat QuikChem 8500
pH	APHA 4500 H; unstirred measurement with temperature compensation	ManTech PC-Titrate Auto Titrator System
Phosphorus, Ortho (SRP)	APHA 4500-P G; EPA 365.1. Ascorbic acid method	Lachat QuikChem 8500
Phosphorus, Total	APHA 4500-P B; APHA 4500-P E; EPA 365.2. Persulfate digest	Technicon Auto-Analyzer II
Potassium	APHA 3111 B; flame atomic absorption spectroscopy	Shimadzu AA-7000
Silicon	APHA 4500-SiO2, EPA 370.1	Lachat QuikChem 8500
Sodium	APHA 3111 B; flame atomic absorption spectroscopy	Shimadzu AA-7000
Strontium	APHA 3111 B; flame atomic absorption spectroscopy	Shimadzu AA-7000
Sulfate	APHA 4110 B; EPA 9056A	Dionex1500 Ion Chromatograph
Suspended Sediment	APHA 2540 D
Total Dissolved Solids	APHA 2540 C
Turbidity	APHA 2130	Hach 2100A

* Method References (note: CCAL procedures developed primarily from APHA methods; comparable EPA reference included for informational purposes only)

APHA 2005. Standard Methods for the Examination of Water and Wastewater; 21st Edition; American Public Health Association, Washington, D.C.
U.S. EPA Office of Solid Waste (OSW) Methods Team; Ariel Rios Bldg. (5307W); 1200 Pennsylvania Ave. NW; Washington, DC 20460; Phone: 703-308-8855; Fax: 703-308-0511
U.S.EPA National Exposure Research Laboratory (NERL); Microbiological and Chemical Exposure Assessment Research Division (MCEARD); [formerly the Environmental Monitoring Systems Laboratory (EMSL), Cincinnati, OH]; 26 West Martin Luther King Drive; Cincinnati, Ohio 45268-0001; Fax: 513-569-7757

College of Forestry

Analytical Methodology and Instrumentation