| Analysis | * Method # with Specifications and Modifications |
|---|---|
| Alkalinity | APHA 2320, titrate to pH 4.5. Modifications: Use 0.02N Na2CO3 and 0.02N H2SO4 |
| Ammonia | APHA 4500-NH3 G; EPA 350.1 |
| Barium | APHA 3111 B; flame atomic absorption spectroscopy |
| Bromide | APHA 4110 B; EPA 9056A |
| Calcium | APHA 3111 D; flame atomic absorption spectroscopy. Modifications: nitrous oxide/ acetylene flame. Addition of 1 ml 50,000 mg/1 lanthanum oxide to 10 ml sample to control ionization. | Carbon, Dissolved Organic | APHA 5310 B |
| Chloride | APHA 4110 B; EPA 9056A |
| Specific Conductance | APHA 2510; Wheatstone bridge. |
| Iron | APHA 3111 B; flame atomic absorption spectroscopy |
| Magnesium | APHA 3111 B; flame atomic absorption spectroscopy. |
| Manganese | APHA 3111 B; flame atomic absorption spectroscopy. |
| Nitrate | APHA 4500-NO3 F; EPA 353.3. Cadmium reduction method. |
| Nitrogen-Total | APHA 4500-NO3 F; APHA 4500-P J. Persulfate digest |
| pH | APHA 4500 H; Calomel reference electrode, glass pH electrode, temperature compensator. |
| Phosphate- Ortho | APHA 4500-P E; EPA 365.2. Ascorbic acid method. |
| Phosphorous- Total | APHA 4500-P B; APHA 4500-P E; EPA 365.2. Modifications: microwave digestion 60 minutes, 50 ml analysis volume, Ascorbic acid method. |
| Potassium | APHA 3111 B; flame atomic absorption spectroscopy. |
| Silica | APHA 4500-SiO2 E; Technicon industrial method 105-71W/B. |
| Sodium | APHA 3111 B; flame atomic absorption spectroscopy. |
| Strontium | APHA 3111 B; flame atomic absorption spectroscopy |
| Sulfate | APHA 4110 B; EPA 9056A |
| Suspended Sediment | APHA 2540 D | Total Dissolved Solids | APHA 2540 C |
* 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; URL http://www.epa.gov/epaoswer/hazwaste/test/index.htm
- 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