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Parameter

Certified Method

Microbiological Parameters

Fecal coliform

Standard Methods 9222 D

Fecal streptococci

Standard Methods 9230 C

Enterococci

Standard Methods 9230 C

Escherichia coli (E coli)

m-CloiBlue24 (Hach)

Nutrients

Nitrogen Series:

Ammonia

 EPA Method 350.1

Kjeldahl nitrogen – total

  EPA Method 351.2

Nitrate – nitrite

 EPA Method 353.2 

Nitrite

 EPA Method 353.2 

Phosphorus Series:

Orthophosphate

 EPA Method 365.1 

Phosphorus - Total

 EPA Method 365.1 

Inorganic Parameters

Total Dissolved Solids

Standard Methods 2540 C

Total Suspended Solids

Standard Methods 2540 D

Specific conductance

Standard Methods 2510 B

Salinity

Standard Methods 2520 B

Turbidity

EPA Method 180.1

Analyze-Immediately Inorganic Parameters

Dissolved Oxygen (winkler)

Standard Methods 4500-O C

Dissolved Oxygen (electrode)

Standard Methods 4500-O G

pH

Standard Methods 4500-H B

Temperature

Standard Methods 2550