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News

New EXCEL-Workbook for the estimation of measurement uncertainty arising from sampling

04.03.2020

This and more helpful freeware programmes are available here (NEW)

Announcements

Currently there is no PT round open for registration

Reports

PT 2/20

12.06.20 Other inorganic parameters in drinking water
report

PT 8/19

24.03.20 Sum parameters in waste water
report

26.02.20 Priority substances at low concentrations in surface water - benzo[a]pyrene, fluoranthene, perfluorooctane sulfonic acid, perfluorooctanoic acid, cypermethrin, hexabromocyclodecane, nonylphenol, octylphenol
report

PT 7/19

11.02.20 TPH-Index
report

PT 6/19

28.01.20 Other inorganic parameters in drinking water
report

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 11/23 TW S10	registration closed	PT 11/23 - TW S10 - epichlorohydrin, acrylamide in drinking water epichlorohydrin, acrylamide dates: dispatch: 04.12.2023 reporting deadline: 22.12.2023
PT 10/23 PT 10/23	registration closed	PT 10/23 - sum parameters I in waste water adsorbable organic halogens, chemical oxygen demand, total organic carbon, total bound nitrogen dates: dispatch: 06.11.2023 reporting deadline: 24.11.2023
PT 8/23 TW A2	dispatched	PT 8/23 - TW A2 - trace elements in drinking water antimony, arsenic, lead, cadmium, chromium, copper, nickel, mercury, selenium, uranium dates: reporting deadline: 16.10.2023
PT 7/23 TW S11	evaluated (report in progress)	PT 7/23 - TW S11 - haloacetic acids monochloroacetic acid, dichloroacetic acid, trichloroacetic acid, monobromoacetic acid, dibromoacetic acid
PT 6/23 TW O1	evaluated (report in progress)	PT 6/23 - TW O1 - pesticides with GC/MS or HPLC/UV atrazine, desethylatrazine, metribuzin, tebuconazole, terbuthylazin, bromacil, diuron, ethofumesate, flufenacet, hexazinone, isoproturon, metalaxyl, metamitron, methabenzthiazuron, dichlorobenzamide, desethylterbuthylazin, metolachlor, Bisphenol-A, Nonylphenol, Octylphenol
PT 5/23 PT 5/23	report	PT 5/23 - total petroleum hydrocarbon index in waste water total petroleum hydrocarbon index
PT 4/23 TW S2	report	PT 4/23 - TW S2 - Pharmaceuticals in drinking water sulfamethoxazole, sulfadimidine, trimethoprime, candesartan, valsartan, gabapentin, carbamazepine, metoprolol, sotalol
PT 3/23 TW A1	evaluated (report in progress)	PT 3/23 - TW A1 - anions in drinking water chlorite, chlorate, bromate, chloride, fluoride, nitrate, nitrite, sulfate, total phosphorous
PT 2/23 PT 2/23	evaluated (report in progress)	PT 2/23 - elements in waste water aluminium, arsenic, lead, cadmium, chromium, iron, copper, nickel, mercury, zinc
PT 10/22 TW 05	evaluated (report in progress)	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
PT 9/22 65. LÜRV	evaluated (report in progress)	PT 9/22 - Nutrients and ions in waste water ammonium nitrogen, nitrate nitrogen, nitrite nitrogen, total phosphorous, chloride, sulfate, fluoride
PT 7/22 TW S4	evaluated (report in progress)	PFAS according to EU drinking water directive Perfluorobutanoic acid, Perfluoropentanoic acid, Perfluorohexanoic acid, Perfluoroheptanoic acid, Perfluorooctanoic acid, Perfluorononanoic acid, Perfluorodecanoic acid, Perfluoroundecanoic acid, Perfluorododecanoic acid, Perfluorotridecanoic acid, Perfluorotridecane sulfonic acid, 1-Perfluorobutanesulfonic acid, Perfluoropentane sulfonic acid, Perfluorohexane-1-sulphonic acid, Perfluoroheptane sulfonic acid, Perfluorooctane sulfonic acid, Perfluorononane sulfonic acid, Perfluorodecane sulfonic acid, Perfluoroundecane sulfonic acid, Perfluorododecane sulfonic acid
PT 6/22 TW A5	report	PT 6/22 - TW A5 - other inorganic parameters in drinking water ammonium, total cyanide, oxidisability, total organic carbon
PT 4/22 TW S1	report	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
PT 3/22	report	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	report	PT 2/22 - TW S7 - trifluoroacetic acid in drinking water trifluoroacetic acid
PT 1/22 TW A4	report	PT 1/22 - TW A4 - General parameters in drinking water Color (SAC436), electr. conductivity, pH-value, turbidity
PT 10/21 TW O3	report	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 total petroleum hydrocarbon 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, 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, TN_b, 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, Cyanide_total and Cyanide_free
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, TN_b, 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, 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, Dr. 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, TN_b
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, P_total, 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, Dr. 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, TN_b, 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, Dr. 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", 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 11^th PT for rapid test analyses in waste water treatment plants	report (in German only)	N_total, NO₃^--N, NH₄⁺-N, COD, P_total with rapid test methods
PT 3/10 24. LÜRV	report	Ions in waste water: NH₄⁺-N, NO₃^--N, NO₂^--N, Cl^-, SO₄^2-, Total-P, CrO₄^2-
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 10^th PT for rapid test analyses in waste water treatment plants	report (in German only)	N_total, NO₃^--N, NH₄⁺-N, COD, P_total 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, TN_b, 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 9^th PT for rapid test analyses in waste water treatment plants	report (in German only)	N_total, NO₃^--N, NH₄⁺-N, COD, P_total 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, P_total, 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 8^th PT for rapid test analyses in waste water treatment plants	report (in German only)	N_total, NO₃^--N, NH₄⁺-N, COD, P_totalwith 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 7^th PT for rapid test analyses in waste water treatment plants	report (in German only)	N_total, NO₃^--N, NH₄⁺-N, COD, P_totalwith 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, TN_b, 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 6^th PT for rapid test analyses in waste water treatment plants	report (in German only)	N_total, NO₃^--N, NH₄⁺-N, COD, P_totalwith rapid test methods
PT 3/05 14. LÜRV	report (in German only)	Ionen (NH₄⁺-N, NO₂^--N, NO₃^--N, P_total, 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 5^th PT for rapid test analyses in waste water treatment plants	report (in German only)	N_total, NO₃^--N, NH₄⁺-N, COD, P_totalwith 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 4^th PT for rapid test analyses in waste water treatment plants	report (in German only)	N_total, NO₃^--N, NH₄⁺-N, COD, P_totalwith 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
3^rd PT for rapid test analyses in waste water treatment plants	report (in German only)	N_total, NO₃^--N, NH₄⁺-N, COD, P_totalwith 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
2^nd PT for rapid test analyses in waste water treatment plants	report (in German only)	N_total, NO₃^--N, NH₄⁺-N, COD, P_totalwith rapid test methods
4/01	report (in German only)	NH₄⁺-N, NO₃^--N, NO₂^--N, P_total, 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)	N_total, NO₃^--N, NH₄⁺-N, COD, P_total
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, N_total,anorg, P_total, AOX, TN_b 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, SO₄^2-, 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, PO₄^3-, NO₃^--N, SO₄^2-, 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