College of Forestry

CCAL

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