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Proficiency tests

AQS Baden-Württemberg at the Institute for Sanitary Engineering, Water Quality and Solid Waste Management of the University of Stuttgart provides proficiency tests in all fields of water analysis.

Listing of all proficiency test rounds

All PTs since 1995 are listed here in revers chronological order. For some of the PT rounds documents in pdf format are available for download. For reading these documents you may need the Adobe® Acrobat® Reader, which is available free of charge from Adobe. get_reader

PT status parameters
PT 7/13
33. LÜRV		 planned

Sum parameters in waste water
COD, AOX, phenol index, TOC, TNb
presumable dates:
  announcement: 22.07.2013
  application deadline: 16.08.2013
  dispatch: 04.11.2013
  deadline for results: 28.11.2013

PT 6/13
WFD		 planned

Priority pestizide according to WFD in surface water
aclonifen, alachlor, atrazine, bifenox, chlorfenvinphos, chlorpyrifos, cybutryne, diuron, isoproturon, quinoxyfen, simazine, terbutryn, trifluralin
Dates:
  announcement: 08.07.2013
  application deadline: 23.08.2013
  dispatch: 07.10.2013
  deadline for results: 28.10.2013

RV 5/13
32. LÜRV		 planned

presumably: total petroleum hydrocarbone index, tri- to hexachlorobenzene in waste water
presumable dates:
  announcement: 03.06.2013
  application deadline: 28.06.2013
  dispatch: 09.09.2013
  deadline for results: 07.10.2013

PT 4/13
TW A2		 announcement
online registration

Trace elements in drinking water
chromium, copper, lead, cadmium, nickel, chromium(VI), silicate, uranium
Dates:
  application deadline: 13.05.2013
  dispatch: 15.07.2013
  deadline for results: 05.08.2013

PT QC/13
WFD		 announcement (in German only)
Online-Anmeldung
in co-operation with Quality Consult srl, Rome

Selected priority substances in river sediment
PAH, pesticides, PCB
Dates:
  application deadline: 10.05.2013
  dispatch: 28.06.2013
  deadline for results: 06.09.2013

PT 3/13
TW O2		 in preparation

VOC/benzene in drinking water
1,2-dichloroethane, tetrachloroethene, trichloroethene, trichloromethane, bromodichloromethane, dibromochloromethane, tribromomethane, benzene
Dates:
  dispatch: 15.04.2013
  deadline for results: 06.05.2013

PT 2/13
TW A1		 in evaluation

Anions in drinking water
Bromate, fluoride, nitrate, nitrite, chloride, sulfate, phosphorous, cyanide, turbidity
PT 1/13
TW S1		 evaluated, report will follow

Sweeteners and benzotriazoles in drinking water
acesulfam, cyclamate, saccharin, sucralose, 1H-benzotriazole, 4-methyl-1H-benzotriazole, 5-methyl-1H-benzotriazole
PT 7/12
30. LÜRV		 evaluated, report will follow

Nutrients and ions in waste water
expected parameters: NH4+-N, NO3--N, NO2--N, Ptotal, CN-w.a.d, CN-total

PT 6/12
WFD		 report

Priority pesticides according to WFD in surface water
PT 5/12
TW O5		 report

Special organic parameters in drinking water: acrylamide, epichlorohydrin
PT 4/12
29. LÜRV		 report

VOC in waste water (benzene, toluene, o-xylene, m-xylene, ethylbenzene, trichloroethene, tetrachloroethene, 1,1,1-trichloroethane, dichloromethane)
TW A4 The PT round will be provided by our partner institution in Hamburg. Please send requests and applications directly to: Institut für Hygiene und Umwelt, Mail toDr. Karla Ludwig-Baxter, Marckmannstr. 129b, 20539 Hamburg Other inorganic parameters
electr. conductivity, oxidiseability, TOC, selenium, antimony, arsenic
PT 3/12
TW A5		 report

Cations, part 2, in drinking water
boron, calcium, magnesium, mercury, ammonium, pH-value
PT 2/12
28. LÜRV		 report

PAH in ground and raw water
naphthalene, acenaphthene, fluorene, phenanthrene, anthracene, fluoranthene, pyrene, benzo(a)anthracene, chrysene, benzo(b)fluoranthene, benzo(k)fluoranthene, benzo(a)pyrene, dibenz(ah)anthracene, benzo(ghi)perylene, indeno(1,2,3-cd)pyrene
dates:
  reporting deadline: 05.04.2012
PT 1/12
TW O4		 report

Phenoxyalkyl carbonic acids in drinking water
2,4-D, MCPP, 2,4-DP, MCPA, MCPB, 2,4,5-T, bentazone, bromoxynil, 2,4-DB, 2,4-TP
PT 5/11
WFD

report

Pesticides from the list of priority substances in the WFD: aclonifen, alachlor, atrazine, bifenox, chlorfenvinphos, chlorpyrifos, cybutryne, diuron, isoproturon, quinoxyfen, simazine, terbutryn, trifluralin
PT 4/11
TW A3

report

Cations in drinking water - part 1: aluminium, iron, manganese, sodium, potassium, SAC436
PT 3/11
26. LÜRV

report

Sum parameters (AOX, TNb, COD, BOD5, TOC) in waste water
TW O3

The PT round will be provided by our partner institution in Hamburg. Please send requests and applications directly to: Behörde für Soziales, Familie, Gesundheit und Verbraucherschutz (BSG), Institut für Hygiene und Umwelt, Mail toDr. Karla Ludwig-Baxter, Marckmannstr. 129b, 20539 Hamburg

PAH in drinking water: benzo(a)pyrene, benzo(b)fluoranthene, benzo(k)fluoranthene benzo(ghi)perylene, indeno(1,2,3-cd)pyrene
PT 2/11
TW O2

report

VOC/benzene in drinking water: 1,2-dichloroethane, tetrachloroethene, trichloroethene, trichloromethane, bromodichloromethane, dibromochloromethane, tribromomethane, benzene
PT 1/11
TW A2

report

Trace elements in drinking water: chromium, copper, lead, cadmium, nickel, chromium(VI), silicate

PT 7/10
25. LÜRV

This PT round is provided by LANUV in Düsseldorf. If you have any questions please directly contact the " Landesamt für Natur, Umwelt und Verbraucherschutz", Mail to Mrs. Christiane Lange, Leibnitzstr. 10, 45659 Recklinghausen

Pesticides (HPLC and GC) - atrazine, chloridazon, chlortoluron, desethylatrazine, diuron, isoproturon, metazachlor, metolachlor, simazine and terbutylazin in ground and raw water
PT 6/10
WFD		 report

Priority substances according to Water Framework Directive: polybrominated diphenylethers - BDE 28, BDE 47, BDE 99, BDE 100, BDE 153, BDE 154
PT 5/10
TW O1		 report

Pesticides 1: N- und P-pesticides: atrazine, desethylatrazine, terbutylazin, simazine, propazine, chlortoluron, diuron, isoproturon, metobromuron, metribuzin in drinking water
KARV 2010
11th PT for rapid test analyses in waste water treatment plants		 report (in German only) Ntotal, NO3--N, NH4+-N, COD, Ptotal with rapid test methods
PT 3/10
24. LÜRV

report

 Ions in waste water:
NH4+-N, NO3--N, NO2--N, Cl-, SO42-, Total-P, CrO42-
PT 2/10
TW O5		 report Special organic parameters in drinking water:
glyphosate, AMPA and selected pesticide metabolites
PT 1/10
TW A1		 report

Anions in drinking water:
bromat, fluoride, nitrate, nitrite, chloride, sulfate, phosphorous, cyanide, turbidity

PT 6/09
23. LÜRV

report (in German only)

 VOC in waste water (benzene, toluene, o-xylene, m-xylene, ethylbenzene, trichloroethene, tetrachloroethene, 1,1,1-trichloroethane, dichloromethane)
PT 5/09
WFD

report

 Priority substances according to Water Framework Directive in surface water(benzene, 1,2-dichloroethane, dichloromethane, trichloromethane, carbon tetrachloride, tetrachloroethene, trichloroethene)
Harmonized PT for Water Framework Directive Monitoring in Europe
PT 4/09
TW A4		 report (in German only) Other inorganic parameters in drinking water (conductivity, oxidisability, TOC, Se, Sb, As)
KARV 2009
10th PT for rapid test analyses in waste water treatment plants

report (in German only)

 Ntotal, NO3--N, NH4+-N, COD, Ptotal with rapid test methods
PT 3/09
22. LÜRV

report (in German only)
additional informationen (in German only)

 elements in waste water (Al, As, Pb, Cd, Cr, Fe, Cu, Ni, Hg, Zn)
PT 2/09
TW O3		 report (in German only) PAH in drinking water (benzo(a)pyrene, benzo(b)fluoranthene, benzo(k)fluoranthene benzo(ghi)perylene, indeno(1,2,3-cd)pyrene)
PT 1/09
TW A3		 report (in German only) Cations in drinking water - part 1: aluminium, iron, manganese, sodium, potassium, SAC436
PT 4/08
21. LÜRV		 report (in German only) sum parameters (AOX, TNb, COD, TOC, TPH) in waste water
PT 3/08
TW O2		 report (in German only) 1,2-dichloroethane, tetrachloroethene, trichloroethene trichloromethane, bromodichloromethane, dibromochloromethanm, tribromomethane, benzene in drinking water
KARV 2008
9th PT for rapid test analyses in waste water treatment plants		 report (in German only) Ntotal, NO3--N, NH4+-N, COD, Ptotal with rapid test methods
LÜRV B3 report (in German only) Chlorophyll in surface water
PT 2/08
TW A1		 report (in German only) bromate, fluoride, nitrate, nitrite, chloride, sulfate, phosphorous, cyanide, turbidity in drinking water
Laboratory intercomparison 2008 report (in German only) special pesticides in ground water (desisopropylatrazine, desethylterbutylazine, metolachlor, bifenox, 2,6-dichlorobenzamide, dicamba, hexazinone, metalaxyl, pendimethalin)
PT 1/08
TW O1		 report (in German only) N- and P-pesticides (DEV F6/F12) in drinking water (atrazine, desethylatrazine, terbutylazin, simazine, propazine, chlortoluron, diuron, isoproturon, metobromuron, metribuzin)

PT 5/07
19. LÜRV

 report (in German only) NH4+-N, Cr(VI), NO3--N, Ptotal, CN-l.f., CN-total in waste water

PT 4/07
TW A5

 report (in German only) boron, calcium, magnesium, mercury, ammonium, pH-value in drinking water

KARV 2007
8th PT for rapid test analyses in waste water treatment plants

 report (in German only) Ntotal, NO3--N, NH4+-N, COD, Ptotal with rapid test methods

PT 3/07
18. LÜRV

 report (in German only) VOC in waste water (benzene, toluene, o-xylene, m-xylene, ethylbenzene, trichloroethene, tetrachloroethene, 1,1,1-trichloroethane, dichloromethane)

PT 2/07
TW O4

 report (in German only) pesticides 2: phenoxyalkanecarbonic acids in drinking water (2,4-D, MCPP, 2,4-DP, MCPA, MCPB, 2,4,5-T, bentazone, bromoxynil, 2,4-DB, 2,4-TP)

PT 1/07
TW A4

 report (in German only) conductivity, oxidisability, TOC, arsenic, antimony, selenium in drinking water

PT 5/06
17. LÜRV

 report (in German only) aluminium, arsenic, lead, boron, cadmium, calcium, chromium, iron, copper, magnesium, nickel, mercury, zinc in waste water
PT 4/06
TW O3		 report (in German only) benzo(a)pyrene, benzo(b)fluoranthene, benzo(k)fluoranthene, benzo(ghi)perylene, indeno(1,2,3-cd)pyrene in drinking water
KARV 2006
7th PT for rapid test analyses in waste water treatment plants		 report (in German only) Ntotal, NO3--N, NH4+-N, COD, Ptotal with rapid test methods
PT 3/06
16. LÜRV		 report (in German only) atrazine, bromacil, chloridazon, chlortoluron, desethylatrazine, diuron, isoproturon, metamitron, metazachlor, simazine, terbutylazin with HPLC in ground and raw water
Laboratory intercomparison 2006
for laboratories in the ground water monitoring net BW		 report (in German only) Selected pesticides in ground water (alachlor, chloridazon, chlortoluron, cyanazine, diflufenican, dimethenamid, diuron, epoxiconazole, ethofumesate, flufenacet, isoproturon, linuron, metamitron, methabenzthiazuron, metribuzin, penconazole, picloram, propiconazole, quinmerac, tri-allate)
PT 2/06 /
TW O2		 report (in German only) 1,2-dichloroethane, tetrachloroethene, trichloroethene, trichloromethane, bromodichloromethane, dibromochloromethane, tribromomethane, benzene in drinking water
PT 1/06
TW A2		 report (in German only) antimony, chromium, copper, lead, cadmium, nickel, chromium(VI) in drinking water
PT 5/05
15. LÜRV		 report (in German only) sum parameters (AOX, TNb, BOD, COD, TOC) in waste water
PT 4/05
TW A1		 report (in German only) bromate, fluoride, nitrate, nitrite, chloride, sulfate, phosphorous, cyanide, turbidity in drinking water
KARV 2005
6th PT for rapid test analyses in waste water treatment plants		 report (in German only) Ntotal, NO3--N, NH4+-N, COD, Ptotalwith rapid test methods
PT 3/05
14. LÜRV		 report (in German only) Ionen (NH4+-N, NO2--N, NO3--N, Ptotal, CN-l.f., CN-total) in waste water
Laboratory intercomparison 2005
for laboratories in the ground water monitoring net BW		 report (in German only) sulfate, nitrate, DOC, turbidity, SAC436, SAC254 in ground water
PT 2/05
TW O5		 report (in German only) glyphosate, AMPA, epichlorohydrin in drinking water
PT 1/05
TW A5		 report (in German only) B, Ca, Mg, Hg, NH4+, silicate, pH in drinking water
PT 5/04
13. Länderübergreifender Ringversuch		 report (in German only) Chloropesticides in ground water (aldrin, p,p'-DDD, p,p'-DDT, dieldrin, endrin, alpha-HCH, gamma-HCH, delta-HCH, Hexachlorobenzene)
PT 4/04
TW O4		 report (in German only) pesticides - phenoxyalkane carbonic acids in drinking water (2,4-D, mecoprop, dichlorprop, MCPA, MCPB, 2,4,5-T, bentazone, bromoxynil, 2,4-DB, fenoprop)
KARV 2004
5th PT for rapid test analyses in waste water treatment plants		 report (in German only) Ntotal, NO3--N, NH4+-N, COD, Ptotalwith rapid test methods
PT 3/04
12. Länderübergreifender Ringversuch		 report (in German only) Elemente (Al, As, Pb, B, Cd, Ca, Cr, Fe, Cu, Mg, Ni, Hg, Zn) in waste water
PT 2/04
TW O3		 report (in German only) PAK (benzo(a)pyrene, benzo(b)fluoranthene, benzo(k)fluoranthene, benzo(ghi)perylene, indeno(1,2,3-cd)pyrene) in drinking water
Laboratory intercomparison
for laboratories in the ground water monitoring net BW		 report (in German only) Complexing agents (NTA, EDTA, DTPA) and VOC in ground water
PT 1/04
TW A3		 report (in German only) Cations in drinking water - Teil 1: aluminium, iron, manganese, sodium, potassium, SAC436
PT 5/03
11. Länderübergreifender Ringversuch		 report (in German only) AOX, TOC, COD, phenole-index, TPH in waste water
PT 4/03 report (in German only) chloroform, bromoform, bromodichloromethane, dibromochloromethane, trichloroethene, tetrachloroethene, 1,2-dichloroethane in drinking and ground water
KARV 2003
4th PT for rapid test analyses in waste water treatment plants		 report (in German only) Ntotal, NO3--N, NH4+-N, COD, Ptotalwith rapid test methods
PT 2/03 report (in German only) arsenic, selenium, antimony, lead, cadmium, chromium, nickel, mercury, copper in drinking and ground water
Laboratory intercomparison
for laboratories in the ground water monitoring net BW		 report (in German only) Chlorpestizide (aldrin, p,p’-DDD, p,p’-DDT, dieldrin, α-endosulfan, γ-HCH, δ-HCH, heptachlor, hexachlorobenzene, pentachloronitrobenzene)
1/03
9. Länderübergreifender Ringversuch		 report (in German only) ammonium-N, nitrite-N, nitrate-N, total-P, chloride, sulfate in waste water
4/02 report (in German only) aluminium, boron, calcium, iron, sodium, potassium, magnesium, manganese, chloride, fluoride, nitrate, sulfate, bromate in drinking und ground water
3/02
8. Länderübergreifender Ringversuch		 report (in German only) VOC in waste water
3rd PT for rapid test analyses in waste water treatment plants report (in German only) Ntotal, NO3--N, NH4+-N, COD, Ptotalwith rapid test methods
2/02
7. Länderübergreifender Ringversuch		 report (in German only) aluminium, arsenic, lead, boron, cadmium, calcium, chromium, iron, copper, nickel, mercury, thallium, zinc in waste water
Laboratory intercomparison
for laboratories in the ground water monitoring net BW		 report (in German only) pesticides (diazinon, dimethoate, disulfoton, fenitrothion, formothion, malathion, parathion-ethyl, pendimethalin, sebutylazine, trifluralin, chlorpyriphos-ethyl) in ground water
1/02 report (in German only) PAH and DC-screening in drinking/ground water
2nd PT for rapid test analyses in waste water treatment plants report (in German only) Ntotal, NO3--N, NH4+-N, COD, Ptotalwith rapid test methods
4/01 report (in German only) NH4+-N, NO3--N, NO2--N, Ptotal, CN-(weak acid dissociable), CN-total in waste water
3/01
6. Länderübergreifender Ringversuch		 report (in German only) COD, phenole-index, TOC, AOX, TPH (with separate assessment) in waste water
Laboratory intercomparison MKW in ground water
for laboratories in the ground water monitoring net BW		 report (in German only) TPH according to EN ISO 9377-2 in ground water
2/01
5. Länderübergreifender Ringversuch		 report (in German only) pesticides in ground, raw and drinking water
1/01 report (in German only) pH-value, conductivity, turbidity, SAC254, SAC436 in drinking/ground water
Pilot-PT for rapid test analyses in waste water treatment plants report (in German only) Ntotal, NO3--N, NH4+-N, COD, Ptotal
3/00
4. Länderübergreifender Ringversuch		 report (in German only) Cations and anions in ground and raw water (drinking water) (Na, K, Ca, Mg, Fe, Mn, B, Al, chloride, sulfate, nitrate, fluoride)
2/00
3. Länderübergreifender Ringversuch		 report (in German only) heavy metals in waste water (Pb, Ni, Cu, Cd, Cr, Hg)
S/00 report (in German only) pesticides in drinking/ground water (diuron, isoproturon, chlortoluron, bentazone)
1/00 report (in German only) VOC in drinking/ground water (trichloromethane, tribromomethane, bromodichloromethane, chlorodibromomethan, trichloroethene, tetrachloroethene)
4/99 report (in German only) nitrite, As, Sb, B, Zn, Ca, Mg in drinking/ground water
3/99
2. Länderübergreifender Ringversuch		 report (in German only) TOC, COD, Ntotal,anorg, Ptotal, AOX, TNb in waste water
S/99 report (in German only) PAH in drinking/ground water (single substances and DC-Screening)
2/99 report (in German only) phenole-index, chloride, nitrate-N, sulfate, ammonium-N, Kjeldahl-N in waste water
1/99 report (in German only) pesticides in drinking/ground water (atrazine, desethylatrazine, 2,6-dichlorobenzamide, bromacil, hexazinone, simazine)
4/98 report (in German only) VOC in ground/drinking water
3/98
1. Länderübergreifender Ringversuch		 report (in German only) Hg, Cd, Cu, Cr, Ni, Pb in waste water
2/98 report (in German only) Ca, Mg, As, Al, K, Hg, permanganate-index in ground/drinking water
S/98 report (in German only) Complexing agents (EDTA, NTA etc.) and selected pesticides in ground water
1/98 report (in German only) Na, CN-, F-, NO2--N, borate-B, BOD5
4/97 report (in German only) Pb, Cd, Cr, Cu, Ni, Fe, Mn, Zn
3/97 evaluated pesticides (triazines und phenoxyalkane carbonic acids)
2/97 evaluated benzene, toluene, o-xylene, m-/p-xylene, ethylbenzene
1/97 evaluated NH4+-N, NO3--N, P, SO42-, TOC
4/96 evaluated tetrachloromethane, 1,1,1-trichloroethane, trichloroethene, tetrachloroethene, dichloromethane, cis-1,2-Dichlorethen
3/96 evaluated Ca, K, Mg, Cl-, phenole-index, AOX
S/96 evaluated pesticides (Phenylurea-herbicides)
2/96 evaluated Na, F-, boronat-B, BOD5, CN-
1/96 evaluated Pb, Cd, Cu, Ni, Cr, Hg, COD
4/95 evaluated NH4+-N, PO43-, NO3--N, SO42-, TOC
3/95 evaluated benzene, toluene, o-xylene, m-/p-xylene, ethylbenzene, mesitylene
S/95 evaluated PAH
2/95 evaluated Zn, Al, Fe, Mn, Cl-, AOX
1/95 evaluated As, borate, Ca, Mg, K, Na