1 Added in 2001. 6Discontinued in 2015 2 Added in 2006. 3 Added in 2007. 4 Added in 2008. 5Added in 2010. Table 2. Current Analytical Methods for Tests Included in the Project Database. Measurement Test Code Reporting Units Method Reference3 Method Number Total Phosphorus TP APHA (2005) 4500-P H μg/L Dissolved Phosphorus DP APHA (2005) 4500-P H μg/L Ortho-Phosphorus1 OP USEPA (1983) 365.1 μg/L Chloride TCl, DCl mg/L APHA (2005) 4500-Cl G Dissolved Silica2, 4 DSi mg/L APHA (2005) 4500-SiO2 F Alkalinity RegAlk mg/L APHA (2005) 2320-B Total Nitrogen TN mg/L APHA (2005) 4500-N C Total Kjeldahl Nitrogen1 TKN mg/L USEPA (1983) 351.2 Total Nitrate/Nitrite Nitrogen1 TNOX mg/L USEPA (1983) 353.2 Total Ammonia Nitrogen1 TNH3 mg/L USEPA (1983) 350.1 Total Suspended Solids5 TSS mg/L APHA (2005) 2540-D Total Organic Carbon1 TOC mg/L USEPA (1983) 415.2 Dissolved Organic Carbon1 DOC mg/L USEPA (1983) 415.2 Dissolved Inorganic Carbon1 DIC mg/L APHA (1995) 4500-CO2 3005A (Fe Iron1 TFe USEPA (1994) μg/L digestion) 6020A Calcium, Magnesium, Sodium, TCa, TMg, mg/L USEPA (1994) 6020-A Potassium4 TNa, TK Lead1 Pb USEPA (1983) 239.2 μg/L APHA (2005) 4500-OC Dissolved Oxygen2 DO mg/L Hydrolab (1997, 2006) USEPA (1997) 445.0 Chlorophyll-a2 Chla mg/L Hydrolab (1997) VT DEC (2012) Temperature TempC C YSI (1998) 3.7.2 Hydrolab (1991)
1 Added in 2001. 6Discontinued in 2015 2 Added in 2006. 3 Added in 2007. 4 Added in 2008. 5Added in 2010. Table 2. Current Analytical Methods for Tests Included in the Project Database. Measurement Test Code Reporting Units Method Reference3 Method Number Total Phosphorus TP μg/L APHA (2005) 4500-P H Dissolved Phosphorus DP μg/L APHA (2005) 4500-P H Ortho-Phosphorus1 OP μg/L USEPA (1983) 365.1 Chloride TCl, DCl mg/L APHA (2005) 4500-Cl G Dissolved Silica2, 4 DSi mg/L APHA (2005) 4500-SiO2 F Alkalinity RegAlk mg/L APHA (2005) 2320-B Total Nitrogen TN mg/L APHA (2005) 4500-N C Total Kjeldahl Nitrogen1 TKN mg/L USEPA (1983) 351.2 Total Nitrate/Nitrite Nitrogen1 TNOX mg/L USEPA (1983) 353.2 Total Ammonia Nitrogen1 TNH3 mg/L USEPA (1983) 350.1 Total Suspended Solids5 TSS mg/L APHA (2005) 2540-D Total Organic Carbon1 TOC mg/L USEPA (1983) 415.2 Dissolved Organic Carbon1 DOC mg/L USEPA (1983) 415.2 Dissolved Inorganic Carbon1 DIC mg/L APHA (1995) 4500-CO2 Iron1 TFe μg/L USEPA (1994) 3005A (Fe digestion) 6020A Calcium, Magnesium, Sodium, Potassium4 TCa, TMg, TNa, TK mg/L USEPA (1994) 6020-A Lead1 Pb μg/L USEPA (1983) 239.2 Dissolved Oxygen2 DO mg/L APHA (2005) Hydrolab (1997, 2006) 4500-OC Chlorophyll-a2 Chla mg/L USEPA (1997) Hydrolab (1997) 445.0 Temperature TempC C VT DEC (2012) YSI (1998) Hydrolab (1991) 3.7.2