|
Total alkalinity
|
APHA 2320 B
|
Titrimetric
|
|
pH
|
Membrane Electrode
|
Portable HACH™ model 150
|
|
EC
|
Membrane Electrode
|
Portable HACH™ model 150
|
|
TDS
|
Membrane Electrode
|
Portable HACH™ model 150
|
|
Temperature
|
Membrane Electrode
|
Portable HACH™ model 150
|
|
Ammonia
|
APHA4500-NH3 C
|
Spectrophotometric, Phenate
|
|
Nitrate
|
Yang et al., 1998
|
Spectrophotometric, sodium salicylate
|
|
Nitrite
|
APHA4500- NO2− A
|
Spectrophotometric, Colorimetric
|
|
TN
|
APHA4500- N C
|
Spectrophotometric, Kjeldahl method
|
|
Phosphate
|
APHA4500-P C
|
Spectrophotometric, Ascorbic Acid
|
|
TP
|
APHA4500-P C
|
Spectrophotometric, Persulfate digestion method, then Ascorbic acid method
|
|
Secchi depth
|
Lind
|
Field equipment
|
|
Dissolved oxygen
|
Membrane Electrode
|
probe method (YSI model 58)
|
|
Silica
|
APHA4500-SiO2
|
Spectrophotometric, Molybdosilicate Method
|
