Water testing methods are based on Standard Methods from APHA. Common analytes and LQL (detection limits) are listed below:
|
Analysis
|
LQL mg/L
|
Analysis
|
LQL mg/L
|
Analysis
|
LQL mg/L
|
|
|
|
|
|
|
|
|
Electrical conductivity (EC)
|
1uS/cm
|
NOx_N
|
0.005
|
Chemical Oxygen Demand (COD)
|
1
|
|
Total Dissolved Solids (TDS)
|
1
|
Nitrate (NO3)
|
0.1
|
Methylene Blue Active Substances (MBAS)
|
0.1
|
|
Total Suspended Solids (TSS)
|
1
|
Nitrite (NO2)
|
0.1
|
Oil and Grease
|
2
|
|
Volatile Suspended Solids (VSS)
|
1
|
Bromide (Br)
|
0.1
|
Free Cyanide (FCN)
|
0.01
|
|
pH
|
0.05
|
Iodide (I)
|
0.1
|
Weak Acid Dissociated Cyanide (WADCN)
|
0.01
|
|
Carbonate (CO3)
|
1
|
Fluoride (F)
|
0.1
|
Total Cyanide (TCN)
|
0.01
|
|
Bicarbonate (HCO3)
|
1
|
Total Nitrogen (TN)
|
0.01
|
Apparent Turbidity
|
0.1 NTU
|
|
Hydroxide (OH)
|
1
|
Ammonium (NH4)
|
0.005
|
Filtered Turbidity
|
0.1 NTU
|
|
Alkalinity
|
1
|
Total Kjeldahl Nitrogen (TKN)
|
0.01
|
Apparent Colour
|
1 HZU
|
|
Total Acidity
|
1
|
Total Phosphorus (TP)
|
0.01
|
Filtered Colour
|
1 HZU
|
|
Free CO2
|
1
|
Phosphate (PO4)
|
0.005
|
Scavenged Colour
|
1 HZU
|
|
Chloride (Cl)
|
1
|
Biological Oxygen Demand (BOD5)
|
1
|
|
|
|
Sulphate (SO4)
|
1
|
Total Organic Carbon (TOC)
|
1.0
|
|
|