Parameter
Determination of suspended solids
Reference standard
NS-EN 872
Internal method identity
P10T01A14
Parameter
Chemical oxygen demand index (COD)
Reference standard
ISO 15705
Internal method identity
P10T01A45
Comment
Spectrophotometric measurement after heat digestion with dichromate in a closed cell (CT COD) in Merck test kits.
Object
Wastewater, filtered and unfiltered
Parameter
BOD5 and BOD7
Biochemical oxygen demand
Reference standard
Internal method
Internal method identity
P10T01A20
Comment
Based on NS-EN 1899-1
Parameter
Saltcontent (Na-calculation)
Reference standard
Internal method
Internal method identity
P10T01A51
Comment
Method based on NMKL 180
Parameter
Determination of chlorophyl a
Reference standard
NS 4767
Internal method identity
P10T01A16
Comment
Spectrophotometric measurement in methanol extract
Reference standard
Internal method
Internal method identity
P10T01A25
Comment
Method is based on NS-EN ISO 7980 ans Standard Methods 326B
Reference standard
Internal method
Internal method identity
P10T01A13A
Comment
Based on ISO 9963-2 (1994). ManTech
Parameter
Determination of soluble silicates by flow analysis
Reference standard
Internal method
Internal method identity
P10T01A47
Comment
Method based on ISO 16264:2002. QuAAtro39 CFA
Object
Clean water and wastewater
Parameter
Determination of nitrite nitrogen and nitrate nitrogen
Reference standard
Internal method
Internal method identity
P10T01A01
Comment
Method based on NS-EN ISO 13395:1996
Object
Clean water and waste water
Parameter
Determination of orthophosphate
Reference standard
NS-EN ISO 15681-2
Internal method identity
P10T01A02B
Object
Clean water and wastewater
Parameter
Al, Cd, Cr, Cu, Fe, Mn, Ni, Pb, Zn
Reference standard
NS-EN ISO 15586
Internal method identity
P10T01A23
Comment
AAS graphite furnace - trace levels
Object
Clean water, wastewater
Reference standard
Internal method
Internal method identity
P10T01A25
Comment
Based on Standard Methods 326B and NS 4775
Object
Clean water, pool water, wastewater
Reference standard
NS-ISO 7888
Internal method identity
P10T01A10A
Object
Clean water, wastewater
Reference standard
Internal method
Internal method identity
P10T01A24
Comment
Based on NS-EN ISO 12846:2
Object
Clean water, waste water
Parameter
Determination of total phosphorus contents
Reference standard
Internal method
Internal method identity
P10T01A50 11Q1
Comment
Method based on NS-EN ISO 15681-2. By flow analysis CFA
Object
Clean water, waste water
Parameter
Determination of total nitrogen
Reference standard
Internal method
Internal method identity
P10T01A50 11Q2
Comment
Method based on ISO 29441:2010. (by flow analysis CFA)
Object
Clean water, wastewater
Parameter
Ammonium-nitrogen, NH4
Reference standard
Internal method
Internal method identity
P10T01A30
Comment
Based on NS-ISO 11732 (2005)
Object
Clean water, wastewater
Reference standard
NS-EN ISO 7980
Internal method identity
P10T01A22
Comment
The method supplements NS 4776 2nd ed 1994, a method more suitable for examination of Norwegian surface waters.
Object
Pure water, waste water, seepage water
Parameter
Nitrate, fluoride, chloride, sulfate
Reference standard
NS-EN ISO 10304-1
Internal method identity
P10T01A42
Comment
Determination of dissolved anions by liquid chromatography of ions
Object
Pure water, Waste water, Pool water
Parameter
Electrical conductivity
Reference standard
NS-ISO 7888
Internal method identity
P10T01A10B
Object
Clean water, pool water, wastewater
Reference standard
NS-EN ISO 10523
Internal method identity
P10T01A12A
Comment
pH 2 to 12, conductivity < 2000 mS/m, and in the temperature range 0°C to 50°C. ManTech
Object
Pure water, Pool water, Waste warer
Reference standard
NS-EN ISO 10523
Internal method identity
P10T01A12B
Comment
pH 2 to 12, conductivity < 2000 mS/m, and in the temperature range 0°C to 50°C. Toledo
Object
Clean water, pool water, wastewater
Parameter
Total organic carbon (TOC) and dissolved organic carbon (DOC)
Reference standard
NS-EN 1484
Internal method identity
P10T01A08
Object
Clean water, pool water, wastewater
Reference standard
Internal method
Internal method identity
P10T01A31
Comment
Method based on NS-EN ISO 15682:2001
Object
Clean water, seawater, pool water
Parameter
Determination of turbidity
Reference standard
NS-EN ISO 7027-1
Internal method identity
P10T01A09A
Comment
Spectophotometry.Quantitative. ManTech.
Object
Clean water, seawater, pool water
Parameter
Determination of turbidity
Reference standard
NS-EN ISO 7027-1
Internal method identity
P10T01A09B
Comment
Spectophotometry. Quantitative. Hach
Parameter
Loss on ignition of dry mass
Reference standard
Internal method
Internal method identity
P10T01A19
Comment
Based on withdrawn standard NS-EN 12879:2000
Reference standard
Internal method
Internal method identity
P10T01A29
Comment
Based on NS-EN 1483 (2007)
Parameter
Total phosphorus
Reference standard
Internal method
Internal method identity
P10T01A28
Comment
Based on Standard Methods 424
Reference standard
Internal method
Internal method identity
P10T01A29
Comment
Based on Standard Methods 325B
Parameter
Pb, Cd, Cu, Zn, Ni, and Cr
Reference standard
Internal method
Internal method identity
P10T01A29
Comment
Based on NS 4773 (1994) and
NS-EN ISO 15586 (2003)
Object
Water and waste water
Parameter
Ammoniumnitrogen
Reference standard
Internal method
Internal method identity
P10T01A30B
Comment
Method based on ISO 11732:2005
Object
Beer and fermented beverages
Reference standard
AOAC 2015.05
Internal method identity
P10T01A52