Water Sample

Parameter

Measurement

Detection Limit

Units

Method

Description

pH

0.01

SU

Calibrated Meter

Alkalinity

2

mg・L−1 CaCO3

Discrete Analyzer

(Konelab Aqua 20)

Hardness

2

mg・L−1 CaCO3

Discrete Analyzer

(Konelab Aqua 20)

Conductivity

0.1

µS・cm−1

Calibrated Meter

Dissolved Oxygen

0.1

mg・L−1

Calibrated Meter

Turbidity

0.1

NTU

Calibrated Turbidi meter

Chlorophyll α

1

µg・L−1

0.45 µm Filter, Buffered

Acetone, Fluoro meter

Total Phosphorus

1

µg・L−1

Discrete Analyzer

(Konelab Aqua 20)

Free Reactive Phosphorus

1

µg・L−1

Discrete Analyzer

(Konelab Aqua 20)

Total N (TKN + nitrates/nitrites)

0.02

mg・L−1

Calculation