Proficiency tests for environmental and water laboratories.

Autumn 2017

2017-4

Ion Balance

Color (Hazen units), Color (absorbance), conductivity, pH, turbidity, alkalinity, Ca+Mg, hardness (dH), Ca, K, Mg, Na, chloride, fluoride, sulfate, sum anions, sum cations, CODMn, TOC

Part A: Potable well-water
Part B: Humic recipient

Schedule
  • Dispatch: September 4
  • Analysis: September 7
  • Reporting deadline: September 27

Final report

2017-5

Wastewater

BOD7, CODCr, CODMn, TOC, Na, Conductivity, pH, Alkalinity

Part A: Municipal wastewater, treated

BOD7, CODCr, TOC, Na, Conductivity, pH, Alkalinity, Ntot, Ptot

Part B: Paper industry wastewater, treated

AOX

Part C: Paper industry wastewater

Schedule
  • Dispatch: October 2
  • Analysis: October 5
  • Reporting deadline: October 25

Preliminary report

Proficiency Tests 2017

Information och program (pdf)

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