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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.

PT
status
parameters
PT 10/22
TW 05
in preparation PT 10/22 - TW O5 - pesticides with HPLC/MS in drinking water
N,N-Dimethylsulfamide, methyl-desphenylchloridazon, desphenylchloridazon, metazachloric acid, metazachloric sulfonic acid, metolachloric acid, metolachloric sulfonic acid, glyphosate, AMPA

dates:
announcement: 22.08.2022
registration deadline: 09.09.2022
dispatch: 28.11.2022
reporting deadline: 19.12.2022
PT 9/22
65. LÜRV
in preparation PT 9/22 - Nutrients and ions in waste water
ammonium nitrogen, nitrate nitrogen, nitrite nitrogen, total phosphorous, chloride, sulfate, fluoride, sulfide

dates:
announcement: 19.07.2022
registration deadline: 09.08.2022
dispatch: 07.11.2022
reporting deadline: 22.11.2022
PT 7/22
TW S4
in preparation PFAS according to EU drinking water directive
Perfluorobutanoic acid, Perfluoropentanoic acid, Perfluorohexanoic acid, Perfluorooctanoic acid, Perfluorononanoic acid, Perfluorodecanoic acid, 1-Perfluorobutanesulfonic acid, Perfluorohexane-1-sulphonic acid, Perfluorooctane sulfonic acid, more parameters will be announced later

dates:
announcement: 20.06.2022
registration deadline: 15.07.2022
dispatch: 13.09.2022
reporting deadline: 04.10.2022
PT 6/22
TW A5
in preparation PT 6/22 - TW A5 - other inorganic parameters in drinking water
ammonium, total cyanide, oxidisability, total organic carbon

dates:
announcement: 30.05.2022
registration deadline: 17.06.2022
dispatch: 29.08.2022
reporting deadline: 19.09.2022
PT 4/22
TW S1
dispatched PT 4/22 - TW S1 - sweeteners and benzotriazoles in drinking water
acesulfam, cyclamat, saccharin, sucralose, 1H-benzotriazol, 4-Methyl-1H-benzotriazol, 5-Methyl-1H-benzotriazol, sum _Methylbenzotriazole

dates:
reporting deadline: 13.06.2022
PT 3/22
in evaluation PT 3/22 - BTXE/VOC in waste water in Abwasser
benzene, toluene, o-xylene, m-xylene, ethylbenzene, trichloroethene, tetrachloroethene, 1,1,1-trichloroethane, dichloromethane

PT 2/22
TW S7
in evaluation PT 2/22 - TW S7 - trifluoroacetic acid in drinking water
trifluoroacetic acid

PT 1/22
TW A4
evaluated (report in progress) PT 1/22 - TW A4 - General parameters in drinking water
Color (SAC436), electr. conductivity, pH-value, turbidity

PT 10/21
TW O3
evaluated (report in progress) PT 10/21 - TW O3 - PAH
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

PT 9/21
report PT 9/21 - sum parameters
adsorbable organic halogens, chemical oxygen demand, total organic carbon, total bound nitrogen, phenoles

PT UKWIR 14/21
report PT UKWIR 14/21 - Tributyltin
Tributyltin

PT 7/21
TW S5
report PT 7/21 - TW S5 - sulfonyl urea herbicides
amidosulfuron, metsulfuron-methyl, rimsulfuron, thifensulfuron-methyl, triasulfuron

PT UKWIR 13/21
report PT UKWIR 13/21 - Triclosan
triclosan

PT UKWIR 12/21
report PT UKWIR 12/21 - Nonylphenol, Octylphenol
Nonylphenol, Octylphenol

PT 6/21
TW A3
report PT 6/21 - TW A3 - cations
aluminium, boron, calcium, iron, magnesium, manganese, sodium, potassium, silicate

PT UKWIR 11/21
report PT UKWIR 11/21 - Hexabromocyclododecanes
Hexabromocylododecane

PT UKWIR 10/21
report PT UKWIR 10/21 - Cypermethrin
cypermethrin

PT UKWIR 9/21
PFOS, PFOA
report PT UKWIR 9/21 - PFOS, PFOA
Perfluorooctane sulfonic acid, Perfluorooctanoic acid

PT UKWIR 8/21
report PT UKWIR 8/21 - Benzo[a]pyrene, Fluoranthene
benzo[a]pyrene, fluoranthene

PT UKWIR 7/21
report PT UKWIR 7/21 - Tributyltin
Tributyltin

PT 5/21
report PT 5/21- total petroleum hydrocarbon index
hydrocarbon oil index

PT UKWIR 6/21
report PT UKWIR 6/21 - Triclosan
triclosan

PT UKWIR 5/21
report PT UKWIR 5/21 - Nonylphenol, Octylphenol
Nonylphenol, Octylphenol

PT 4/21
TW S6
report PT 4/21 - TW S6 - X-ray contrast media
amidotrizoic acid, iodipamide, iohexol, iomeprol, iopamidol, iopromide, iothalamic acid, ioaxglic acid, ioxitalamic acid

PT 3/21
TW O2
report PTR 3/21 - TW O2 - VOC/benzene
1,2-dichloroethane, tetrachloroethene, trichloroethene, trichloromethane, bromodichloromethane, dibromochloromethane, tribromomethane, benzene, chloroethene

PT UKWIR 4/21
report PT UKWIR 4/21 - Hexabromocyclododecanes
Hexabromocylododecane

PT UKWIR 3/21
report PT UKWIR 3/21 - Cypermethrin
cypermethrin

PT 2/21
report PT 2/21 - elements in waste water
aluminium, arsenic, lead, cadmium, chromium, iron, copper, nickel, mercury, zinc

PT UKWIR 2/21
report PT UKWIR 2/21 - PFOS, PFOA
Perfluorooctane sulfonic acid, Perfluorooctanoic acid

PT UKWIR 1/21
report PT UKWIR 1/21 - Benzo[a]pyrene, Fluoranthene
benzo[a]pyrene, fluoranthene

PT 1/21
TW A2
report PT 1/21 - TW A2 - trace elements
antimony, arsenic, lead, cadmium, chromium, copper, nickel, selenium, uranium, mercury

PT UKWIR 14/20
Tributyltin
report Priority substances at low concentrations in surface water
Tributyltin

PT UKWIR 13/20
Triclosan
report Priority substances at low concentrations in surface water
triclosan

PT UKWIR 12/20
cancelled Priority substances at low concentrations in surface water
Nonylphenol, Octylphenol

RV 8/20
TW S10
report epichlorohydrin, acrylamide
epichlorohydrin, acrylamide

PT 7/20
TW O1
report PSM GC/MS oder HPLC/UV
atrazine, desethylatrazine, metribuzin, tebuconazole, terbuthylazin, bromacil, diuron, ethofumesate, flufenacet, hexazinone, isoproturon, metalaxyl, metamitron, methabenzthiazuron, dichlorobenzamide, desethylterbuthylazin, metolachlor

PT 6/20
58. LÜRV
report nutrients and ions
ammonium nitrogen, nitrate nitrogen, nitrite nitrogen, total phosphorous, chromium(VI), total cyanide, cyanide (weak acid dissociable)

PT UKWIR 11/20
cancelled Priority substances at low concentrations in surface water
Hexabromocylododecane

PT UKWIR 10/20
cancelled Priority substances at low concentrations in surface water
cypermethrin

PT 5/20
TW S4
report PFC
Perfluorobutanoic acid, Perfluoropentanoic acid, Perfluorohexanoic acid, Perfluoroheptanoic acid, Perfluorooctanoic acid, Perfluorononanoic acid, Perfluorodecanoic acid, 1-Perfluorobutanesulfonic acid, Perfluorohexane-1-sulphonic acid, Perfluorooctane sulfonic acid

PT UKWIR 9/20
cancelled Priority substances at low concentrations in surface water
Perfluorooctane sulfonic acid, Perfluorooctanoic acid

PT UKWIR 8/20
cancelled Priority substances at low concentrations in surface water
benzo[a]pyrene, fluoranthene

PT UKWIR 7/20
cancelled Priority substances at low concentrations in surface water
Tributyltin

PT 4/20
TW O5
report PSM HPLC/MS
N,N-Dimethylsulfamide, methyl-desphenylchloridazon, desphenylchloridazon, metazachloric acid, metazachloric sulfonic acid, metolachloric acid, metolachloric sulfonic acid, glyphosate, AMPA

PT 3/20
TW S3
report alkylphenols
Nonylphenol, Octylphenol, Bisphenol-A

PT UKWIR 6/20
Triclosan
cancelled Priority substances at low concentrations in surface water
triclosan

PT UKWIR 5/20
alkylphenoles
report Priority substances at low concentrations in surface water
Nonylphenol, Octylphenol

PT 2/20
TW A5
report other inorganic parameters
ammonium, total cyanide, oxidisability, total organic carbon

PT UKWIR 4/20
report Priority substances at low concentrations in surface water
Hexabromocylododecane

PT UKWIR 3/20
report Priority substances at low concentrations in surface water
cypermethrin

PT UKWIR 2/20
report Priority substances at low concentrations in surface water
Perfluorooctane sulfonic acid, Perfluorooctanoic acid

PT UKWIR 1/20
report Priority substances at low concentrations in surface water
benzo[a]pyrene, fluoranthene

PT 1/20
BTXE/VOC
report BTXE/VOC in waste water
benzene, toluene, o-xylene, m-xylene, ethylbenzene, trichloroethene, tetrachloroethene, 1,1,1-trichloroethane, dichloromethane

PT UKWIR 8/19
WRRL
report Priority substances at low concentrations in surface water
Hexabromocyclododecanes
PT UKWIR 7/19
WRRL
report Priority substances at low concentrations in surface water
Cypermethrin
PT 8/19 report Sum parameters in waste water
AOX, COD, TOC, TNb, BOD5
PT 7/19 report TPH index in waste water
PT UKWIR 6/19
WRRL
report Priority substances at low concentrations in surface water
Perfluorooctane sulfonic acid, Perfluorooctanoic acid
PT UKWIR 5/19
WRRL
report Priority substances at low concentrations in surface water
Benzo[a]pyrene, Fluoranthene
PT 6/19
TW A4
report Other inorganic parameters in drinking water
electr. conductivity, oxidisability, TOC, selenium, antimony, arsenic
PT 5/19
TW S2
report Pharmaceuticals in drinking water
sulfamethoxazole, sulfadimidine, trimethoprime, candesartan, valsartan, gabapentin, carbamazepine, metoprolol, sotalol
PT UKWIR 10/19
WRRL
report Priority substances at low concentrations in surface water
Nonylphenols/octylphenols
PT 4/19
TW O3
report 15 PAH in ground and raw water and in drinking water
naphthalin, acenaphthen, fluorene, phenanthren, anthracen, 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
PT 3/19
TW S1
report Sweeteners und benzotriazoles in drinking water
acesulfam, cyclamat, saccharin, sucralose, 1H-benzotriazol, 4-methyl-1H-benzotriazol, 5-methyl-1H-benzotriazol, sum of methyl-1H-benzotriazoles
PT UKWIR 4/19
WRRL
report Priority substances at low concentrations in surface water
Hexabromocyclododecanes
PT UKWIR 3/19
WRRL
report Priority substances at low concentrations in surface water
Cypermethrin
PT UKWIR 9/19
WRRL
report Priority substances at low concentrations in surface water
Nonylphenols/octylphenols
PT 2/19 report Elements in waste water
aluminium, arsenic, cadmium, chromium, copper, iron, mercury, nickel, lead, zinc
PT UKWIR 2/19
WRRL
report Priority substances at low concentrations in surface water
Perfluorooctane sulfonic acid, Perfluorooctanoic acid
PT UKWIR 1/19
WRRL
report Priority substances at low concentrations in surface water
Benzo[a]pyrene, Fluoranthene
PT 1/19
TW A3
report cations, part 2, in drinking water
aluminium, iron, manganese, sodium, potassium, colour (SAC436)
PT UKWIR 9/18
WFD
report

priority substances at low concentrations in surface water
Cypermethrin

PT UKWIR 8/18
WFD
report

priority substances at low concentrations in surface water
Hexabromocyclodedecanes

PT UKWIR 7/18
WFD
report

priority substances at low concentrations in surface water
Perfluorooctane sulfonic acid, Perfluorooctanoic acid

PT UKWIR 6/18
WFD
report

Priority substances at low concentrations in surface water
Benzo[a]pyrene, Fluoranthene

TW O2 This PT will be provided by our partner organisation in Hamburg.
Please send requests directly to Institut für Hygiene und Umwelt, Mail to Dr. Elke Beintner, Marckmannstr. 129b, 20539 Hamburg
VOC/benzene in drinking water
1,2-dichloroethane, tetrachloroethene, trichloroethene, trichloromethane, bromodichloromethane, dibromochloromethane, tribromomethane, benzene, vinyl chloride
PT 9/18
TW A2
report

trace elements in drinking water
chromium, copper, lead, cadmium, nickel, silicate, uranium

PT 8/18
TW S6
report

X-ray and MRI contrast media in drinking water
amidotrizoic acid, iodipamide, iohexol, iomeprol, iopamidol, iopromide, iothalamic acid, ioxaglic acid, ioxitalamic acid, gadolinium

PT 7/18 report

nutrients and ions in waste water
ammonium-N, nitrate-N, nitrite-N, total P, chloride, sulfate and dissolved fluoride

PT UKWIR 5/18
WFD
report

Priority substances at low concentrations in surface water
Cypermethrin

PT 5/18
TW S7
report

trifluoroacetic acid in drinking water

PT 4/18
TW O1
report

pesticides with GC/MS and HPLC/UV in drinking water
atrazine, desethylatrazine, metribuzin, tebuconazole, terbuthylazine, bromacil, diuron, ethofumesate, flufenacet, hexazinone, isoproturon, metalaxyl, metamitron, methabenzthiazuron, dichlorobenzamide, epichlorohydrin

PT UKWIR 4/18
WFD
report

priority substances at low concentrations in surface water
Tributyltin

PT UKWIR 3/18
WFD
report

priority substances at low concentrations in surface water
Hexabromocyclododecanes

PT 3/18
TW S5
report

sulfonyl urea herbicides in drinking water
amidosulfuron, metsulfuron methyl, rimsulfuron, thifensulfuron methyl, triasulfuron

PT 2/18
TW A1
report

anions in drinking water
bromate, fluoride, nitrate, nitrite, chloride, sulphate, phosphorous, cyanide, turbidity

PT 1/18 report

VOC in waste water
benzene, toluene, o-xylene, m-xylene, ethylbenzene, trichloroethene, tetrachloroethen, 1,1,1-trichloroethane, dichloromethane

PT UKWIR 2/18
WFD
report

priority substances at low concentrations in surface water
Perfluorooctane sulfonic acid, Perfluorooctanoic acid

PT UKWIR 1/18
WFD
report

priority substances at low concentrations in surface water
Benzo[a]pyrene, Fluoranthene

PT UKWIR 10/17
WFD
report

priority substances at low concentrations in surface water
Hexabromocyclododecanes

PT UKWIR 9/17
WFD
report

priority substances at low concentrations in surface water
Cypermethrin

PT 8/17
TW O5
report

Pesticides with HPLC/MS in drinking water
N,N-dimethylsulfamide, methyl-, desphenylchloridazon, metazachloroacid, -sulfonic acid, glyphosate, AMPA, acrylamide

PT 7/17 report

Sum parameters in waste water
AOX, COD, TOC, TNb, phenole index

PT 6/17
TW S4
report

PFC in drinking water
Perfluorobutanoic acid, Perfluoropentanoic acid, Undecafluorohexanoic acid, Perfluoroheptanoic acid, Perfluorooctanoic acid, Perfluorononanoic acid, Perfluorodecanoic acid, 1-Perfluorobutanesulfonic acid, Perfluorohexane-1-sulphonic acid, Perfluorooctane sulfonic acid

PT UKWIR 8/17
WFD
report

Priority substances at low concentrations in surface water
Benzo[a]pyrene, Fluoranthene

PT UKWIR 7/17
WFD
report

Priority substances at low concentrations in surface water
Hexabromocyclododecanes

PT UKWIR 6/17
WFD
report

Priority substances at low concentrations in surface water
Cypermethrin

PT UKWIR 5/17
WFD
report

Priority substances at low concentrations in surface water
Perfluorooctane sulfonic acid, perfluorooctanoic acid

RV UKWIR TBT 17
WRRL
report

Priority substances at low concentrations in surface water
Tributyltin

PT 5/17
TW A4
report

Other inorganic parameters in drinking water
electr. conductivity, oxidisability, TOC, selenium, antimony, arsenic

PT 4/17 report

TPH index in waste water

PT UKWIR SS 1/17
WFD
report

Priority substances at low concentrations in surface water with suspended solids
PAHs

PT UKWIR 4/17
WFD
report

Priority substances at low concentrations in surface water
Perfluorooctane sulfonic acid, perfluorooctanoic acid

PT UKWIR 3/17
WFD
report

Priority substances at low concentrations in surface water
Benzo[a]pyrene, Fluoranthene

PT 3/17 report

Elements in waste water
aluminium, arsenic, cadmium, chromium, copper, iron, mercury, nickel, lead, zinc

PT 2/17
TW S3
report

Alkylphenoles in drinking water
nonylphenol, octylphenol, bisphenol-A

PT UKWIR 2/17
WFD
report

Priority substances at low concentrations in surface water
erythromycin, atenolol, propranolol, carbamazepin

PT UKWIR 1/17
WFD
report

Priority substances at low concentrations in surface water
Estrone (E1), 17-beta-estradiol (E2), 17-alpha-ethinylestradiol (EE2)

PT 1/17
TW A5
report

Cations, part 2, in drinking water
boron, calcium, magnesium, mercury, ammonium, pH-value

PT UKWIR 16/16
WRRL
report

Priority substances at low concentrations in surface water
Diclofenac

PT UKWIR 15/16
WRRL
report

Priority substances at low concentrations in surface water
Cypermethrine

PT 8/16
TW O2
report

HVOC/Benzene in drinking water
1,2-Dichloroethane, Tetrachloroethen, Trichloroethene, Trichloromethane, Bromodichloromethane, Dibromochloromethane, Tribromomethane, Vinyl chloride, Benzene

PT 7/16 report

Nutrients and ions in waste water
Ammonium-N, Nitrate-N, Nitrite-N, Total P, Chromate, Cyanidetotal and Cyanidefree

PT UKWIR 14/16
WRRL
report

Priority substances at low concentrations in surface water
Erythromycin, Atenolol, Propranolol, Carbamazepin

PT UKWIR 13/16
WRRL
report

Priority substances at low concentrations in surface water
Estrone (E1), 17-beta-estradiol (E2), 17-alpha-ethinylestradiol (EE2)

PT UKWIR 12/16
WRRL
report

Priority substances at low concentrations in surface water
Diclofenac

PT UKWIR 11/16
WRRL
report

Priority substances at low concentrations in surface water
Hexabromocyclododecanes

PT 6/16 report

VOC in waste water
Benzene, Toluene, o-Xylene, m-Xylene, Ethylbenzene, Trichloroethene, Tetrachloroethene, 1,1,1-Trichloroethane, Dichloromethane

PT 5/16
TW S2
report

Pharmaceuticals in drinking water
sulfadiazine, sulfadimidine, sulfamethoxazole, sulfaethoxypyridazine, sulfamerazine, sulfathiazole, sulfadoxine, sulfamethoxypyridazine, sulfachloropyridazine, sulfadimethoxine, trimethoprime

PT UKWIR 10/16
WRRL
report

Priority substances at low concentrations in surface water
Hexabromocyclododecanes

PT UKWIR 9/16
WRRL
report

Priority substances at low concentrations in surface water
Perfluorooctane sulfonic acid, perfluorooctanoic acid

PT 4/16
WRRL
cancelled

PBDE with suspended solids in surface water
BDE 28, BDE 47, BDE 99, BDE 100, BDE 153, BDE 154

PT UKWIR 8/16
WRRL
report

Priority substances at low concentrations in surface water
Benzo[a]pyrene, Fluoranthene

PT UKWIR 7/16
WRRL
report

Priority substances at low concentrations in surface water
Erythromycin, Atenolol, Propranolol, Carbamazepin

PT 3/16
TW O3
report

15 PAH in ground and raw water
Naphthalene, Acenaphtheen, Fluorene, Phenanthrene, Anthracene, Fluoranthene, Pyrene, Benzo(a)anthracene, Chrysene, Benzo(b)fluorantheen, Benzo(k)fluoranthene, Benzo(a)pyrene, Dibenz(ah)anthracene, Benzo(ghi)perylene, Indeno(1,2,3-cd)pyrene

PT UKWIR 6/16
WRRL
report

Priority substances at low concentrations in surface water
Estrone (E1), 17-beta-estradiol (E2), 17-alpha-ethinylestradiol (EE2)

PT UKWIR 5/16
WRRL
report

Priority substances at low concentrations in surface water
Diclofenac

PT UKWIR 4/16
WRRL
report

Priority substances at low concentrations in surface water
Hexabromocyclododecanes

PT UKWIR 3/16
WRRL
report

Priority substances at low concentrations in surface water
Cypermethrin

PT 2/16
TW S1
report

Sweeteners and Benzotriazoles in drinking water
acesulfam, cyclamate, saccharin, sucralose, 1H-benzotriazole, 4-methyl-1H-benzotriazole, 5-methyl-1H-benzotriazol, sum of methyl-1H-benzotriazoles

PT UKWIR 2/16
WRRL
report

Priority substances at low concentrations in surface water
Perfluorooctane sulfonic acid, perfluorooctanoic acid

PT UKWIR 1/16
WRRL
report

Priority substances at low concentrations in surface water
Benzo[a]pyrene, Fluoranthene

PT 1/16
TW A3
report

Cations, part 2, in drinking water
aluminium, iron, manganese, sodium, potassium, colour (SAc436)

PT UKWIR 7/15
WRRL
report

Priority substances in surface water
Erythromycin, Atenolol, Propranolol, Carbamazepin

PT UKWIR 6/15
WRRL
report

Priority substances in surface water
Estrone (E1), 17-beta-estradiol (E2), 17-alpha-ethinylestradiol (EE2)

PT UKWIR 5/15
WRRL
report

Priority substances in surface water
Diclofenac

PT UKWIR 4/15
WRRL
report

Priority substances in surface water
Hexabromocyclododecanes

PT UKWIR 3/15
WRRL
report

Priority substances in surface water
Cypermethrin

PT UKWIR 2/15
WRRL
report

Priority substances in surface water
Perfluorooctane sulfonic acid, Perfluorooctanoic acid

PT UKWIR 1/15
WRRL
report

Priority substances in surface water
Benzo[a]pyrene, Fluoranthene

PT 9/15
WFD
report
questionnaire for participants

PAH with suspended solids in surface water
naphtalene, benzo(a)pyrene, benzo(b)fluoranthene benzo(k)fluoranthene, benzo(g,h,i)perylene, indeno(1,2,3-cd)pyrene, anthracene, fluoranthene

PT 8/15
40. LÜRV
report

sum parameters in waste water
AOX, CSB, TOC, TNb, BSB5

PT 7/15
TW A1
report

anions in drinking water
bromate, fluoride, nitrate, nitrite, chloride, sulphate, phosphorus, cyanide, turbidity

PT 6/15
TW S6
report

x-ray and MRI contrast media in drinking water
amidotrizoic acid, iodipamide, iohexol, iomeprol, iopamidol, iopromide, iothalamic acid, ioxaglic acid, ioxitalamic acid, gadolinium, gadolinium anomaly

TW O5 The PT round will be provided by our partner institution* in Hamburg.
Please send any requests directly to Institut für Hygiene und Umwelt, Mail to Frau Dr. Ludwig-Baxter, Marckmannstr. 129b, 20539 Hamburg
pesticides with HPLC/MS in drinking water
N,N-dimethylsulfamide, methyl-, desphenyl-chloridazon, metazachloroacid, -sulfonic acid, metolachloroacid, - sulfonic acid, glyphosate, AMPA, acrylamide
PT 5/15
38. LÜRV
report

total petroleum hydrocarbons in waste water

PT 4/15
TW O1
report

pesticides with GC/MS and HPLC/UV in drinking water
atrazine, desethylatrazine, metribuzin, tebuconazole, terbuthylazine, bromacil, diuron, ethofumesate, flufenacet, hexazinone, isoproturon, metalaxyl, metamitron, methabenzthiazuron, dichlorobenzamide, epichlorohydrin

PT 3/15
37. LÜRV
report

elements in waste water
aluminium, arsenic, cadmium, chromium, copper, iron, mercury, nickel, lead

PT 2/15
TW S5

report

Sulfonylurea herbicides in drinking water
amidosulfuron, flazasulfuron, metsulfuron methyl, nicosulfuron, rimsulfuron, thifensulfuron methyl, triasulfuron

PT 1/15
TW A5
report

Cations, part 2, in drinking water
boron, calcium, magnesium, mercury, ammonium, pH-value

PT 9/14
WFD
report

PBDE according to WFD in surface water
BDE 28, BDE 47, BDE 99, BDE 100, BDE 153, BDE 154

PT 8/14
36. LÜRV
report

Ions in waste water
ammonium-N, nitrate-N, total phosphorous, chloride, sulphate, dissolved fluoride, nitrite-N

PT 7/14
TW O3
report

PAH in drinking water
benzo(a)pyrene, benzo(b)fluoranthene, benzo(k)fluoranthene, benzo(ghi)perylene indeno(1,2,3-cd)pyrene

PT 6/14
35. LÜRV
report

VOC/BTXE in waste water
benzene, toluene, o-xylene, m-xylene, ethylbenzene, trichloroethene, tetrachloroethene, 1,1,1-trichloroethane, dichloromethane

PT A3 The PT round was 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 Cations in drinking water, part 1
aluminium, iron, manganese, sodium, potassium, colour (SAC436)

PT 5/14
TW S4
report

PFC (Perfluorinated compounds) in drinking water

PT 4/14
TW O4
report Acidic pesticides and pharmaceuticals in drinking water
bentazone, bromoxylin, dichlorprop, MCPA. MCPB, mecoprop, 2,4-D, quinmerac, 2,4,5-T, ibuprofen, bezafibrat, diclofenac
PT 3/14
34. LÜRV
report

15 PAH in ground and raw water
naphthaline, 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

PT 2/14
TW S3
report

Alkylphenoles in drinking water

PT 1/14
TW A4
report

Other inorganic parameters in drinking water
conductivity, oxidisability, TOC, selenium, antimony, arsenic

PT 8/13
TW S2
report

Pharmaceuticals and hormones in drinking water
Phenacetin, Phenazon, Carbamazepin, Diazepam, Sulfadiazin, Sulfamethoxazol, Estradiol, 17-alpha-Ethinylestradiol, Atenolol, Metoprolol, Sotalol

PT 7/13
33. LÜRV
report

Sum parameters in waste water
COD, AOX, phenol index, TOC, TNb

PT 6/13
WFD
report

Priority pestizides according to WFD in surface water
aclonifen, alachlor, atrazine, bifenox, chlorfenvinphos, chlorpyrifos, cybutryne, diuron, isoproturon, quinoxyfen, simazine, terbutryn, trifluralin

RV 5/13
32. LÜRV
report

total petroleum hydrocarbon index, tri- to hexachlorobenzene in waste water

PT 4/13
TW A2
report

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

PT QC/13
WFD
in evaluation
in co-operation with Quality Consult srl, Rome

Selected priority substances in river sediment
PAH, pesticides, PCB

PT 3/13
TW O2
report

VOC/benzene in drinking water
1,2-dichloroethane, tetrachloroethene, trichloroethene, trichloromethane, bromodichloromethane, dibromochloromethane, tribromomethane, benzene

PT 2/13
TW A1
report

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

PT 1/13
TW S1
report

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
report

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 was 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

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 was 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 was 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