PHYSICAL AND CHEMICAL ANALYSIS METHODS OF WASTEWATER, NATURAL AND DRINKING WATER AND SCOPE OF DOCUMENT/CERTIFICATE OF ANALYSIS

Parameter Symbol Analysis Method Minimum Sample Volume(mL) Standard Method No.
Alkalinity - Titration 250 SM 2320 B
Ammonia Nitrogen NH3 -N Titrimetric 500 SM 4500-NH3 C
Acidity - Titration 250 SM 2310 B
Suspended Solids SS Gravimetric 250 SM 2540 D
Bicarbonate HCO3 Calculation from Alkanity and pH values 250 SM 2320 B ve 4500 H+B
Biochemical Oxygen Demand BOD5 Iodometric (Winkler) 1000 SM 5210 B
Turbidity - Nephelometric metod 500 SM 2130 B
Settleable Solids - Volumetric 250 SM 2540 F
Dissolved Solids - Gravimetric 250 SM 2540 C
Volatile Dissolved Solids - Gravimetric 250 SM 2540 E
Conductivity - SCTmeter 250 SM 2510B
Carbonate CO32- Calculation from Alkanity and pH values 250 SM 2320 B ve 4500 H+B
Carbonic Acid  H2CO3 Calculation from Alkanity and pH values 250 SM 2320 B ve 4500 H+B
Chemical Oxygen Demand COD Open Reflux Titrimetric 250 SM -5220 B 
Chemical Oxygen Demand COD Spectrophotometric 100 8000*
PCB (polychlorinated biphenyls) - GC-ECD 1000 SM 6431 B
pH - pH meter 100 SM 4500-H+ B
Color - Spectrophotometric 500 8025*
Hardness - Titration with EDTA 250 SM 2340 C
Sulfite SO3-2 Iodometric 250 SM 4500- SO3-B
Total Solids - Gravimetric 250 SM 2540 B
Total Kjeldahl Nitrogen TKN Kjeldahl 500 SM 4500-Norg B
Salinity - SCTmeter 250 SM 2520 B
Volatile Solids (Ash) VS Gravimetric 250 SM 2540 E
UV-GB Scan     100  
Oil and Grease - Gravimetric 1000 TS 7887
* Hach Measurement Method
SM Standard Method (Standard Methods for the Examination of Water and Wastewater, 20th Edition. American Public Health Association, American Water Works Association and Water Environment Federation, 1998)

BACTERIOLOGICAL ANALYSIS METHODS OF WASTEWATER, NATURAL AND DRINKING WATER AND SCOPE OF DOCUMENT/CERTIFICATE OF ANALYSIS 

Parameter Analysis Method Minimum Sample Volume (mL)
Total Coliform Membrane filter 100
Fecal Coliform Membrane filter 100

Note: Samples are accepted in accordance with the "Sample Transfer and Acceptance Directive" and "Sample Conditioning Directive" found on the "https://enve.metu.edu.tr/en/forms-0" website.