🇨🇿 Vodohospodářské inženýrské služby, a.s. PL
Water & wastewaterMicrobiology
Vodohospodářské inženýrské služby, a.s. is a laboratory accredited by ČIA under number 1453 (Mladá Boleslav - Podlázky, Czech Republic). Its accreditation scope covers 40 test methods in the following areas: Water & wastewater, Microbiology. Test objects include: Drinking, raw, surface and waste water, Drinking and raw water, Drinking, raw, surface, waste and process water, Drinking, bottled and raw water. Most frequently used techniques: spectrophotometric method, titration, titration with EDTA.
At a glance
- Accreditation number: ČIA 1453
- Methods in scope: 40
- Types of test objects: 21
- Techniques used: 30
- City: Mladá Boleslav - Podlázky, Czech Republic
- Valid until: 05-12-2027
- Accreditation number
- 1453
- Accreditation body
- ČIA
- Address
- ČOV II, 293 01 Mladá Boleslav - Podlázky
- City
- Mladá Boleslav - Podlázky, Czech Republic
- Division
- Laboratoria Centralne
- Valid until
- 05-12-2027
What this laboratory tests (21)
- Drinking, raw, surface and waste water — 13 methods
- Drinking and raw water — 3 methods
- Drinking, raw, surface, waste and process water — 3 methods
- Drinking, bottled and raw water — 2 methods
- Drinking, raw and surface water, bathing water — 2 methods
- Waste water — 2 methods
- Drinking and disinfected water, bathing water — 1 method
- Drinking and raw water, bathing water — 1 method
- Drinking water — 1 method
- Drinking, bottled and raw water, bathing water — 1 method
- Drinking, bottled, surface and raw water, bathing water — 1 method
- Drinking, raw and ground water and slightly polluted surface and waste water — 1 method
- Drinking, raw and surface water — 1 method
- Drinking, raw and surface water, slightly polluted waste water — 1 method
- Drinking, raw and surface water, slightly polluted waste water, bathing water — 1 method
- and 6 more
Analytical techniques used (30)
- spectrophotometric method — 4 methods
- titration — 2 methods
- titration with EDTA — 2 methods
- colorimetric method, Merck kit — 1 method
- coulometric method — 1 method
- dilution and seeding method with membrane probe — 1 method
- electrochemical method — 1 method
- electrochemical method with membrane probe — 1 method
- filtration through glass fibre filter and membrane filter, gravimetric method — 1 method
- gravimetric method — 1 method
- inoculation in a nutrient agar culture medium — 1 method
- ion-selective electrode — 1 method
- membrane filter method — 1 method
- mercurimetric method — 1 method
- most probable number method — 1 method
- and 15 more
Certificate information
- Certificate date
- 05.12.2022
Accreditation scope — test methods (40)
| No. | Test object | Methodology / Parameters | Technique | Reference document | |
|---|---|---|---|---|---|
| Test methods | |||||
| 1 | Drinking, raw, surface, waste and process water, bathing water | Determination of pH by potentiometry Regulated area: Tests |
potentiometric method | B1 ADA č. 1 (ČSN ISO 10523) | |
| 2 | Drinking, raw, surface, waste and process water | Determination of electrical conductivity Regulated area: Tests |
B1 ADA č. 2 (ČSN EN 27888) | ||
| 3 | Drinking, raw, surface, waste and process water | Determination of acid neutralising capacity (KNK 4.5; KNK 8.3) by titration Regulated area: Tests |
titration | B1 ADA č. 3 (ČSN EN ISO 9963-1) | |
| 4 | Drinking, raw and surface water, slightly polluted waste water, bathing water | Determination of ammonium ions spectrophotometrically and of ammonium nitrogen by calculation ammonium nitrogen by calculation (calculated) Regulated area: Tests |
spectrophotometric method | B1 ADA č. 4, část A (ČSN ISO 7150-1) | |
| 5 | Waste water | Determination of ammonium ions by titration after distillation and of ammonium nitrogen by calculation ammonium nitrogen by calculation (calculated) Regulated area: Tests |
titration after distillation | B1 ADA č. 4, část B (ČSN ISO 5664) | |
| 6 | Drinking, raw, surface and waste water | Determination of nitrites spectrophotometrically and of nitrite nitrogen by calculation nitrite nitrogen by calculation (calculated) Regulated area: Tests |
spectrophotometric method | B1 ADA č. 5 (ČSN EN 26777) | |
| 7 | Drinking and raw water, bathing water | Determination of nitrates spectrophotometrically in the UV Regulated area: Tests |
UV spectrophotometry | B1 ADA č. 6 (AHEM č.21/1976) | |
| 8 | Drinking, raw, surface and waste water | Determination of nitrates spectrophotometrically with sulfosalicylic acid in dishes and of nitrate nitrogen by calculation nitrate nitrogen by calculation (calculated) Regulated area: Tests |
spectrophotometry with sulfosalicylic acid in dishes | B1 ADA č. 7, část A (ČSN ISO 7890-3) | |
| 9 | Drinking, raw, surface and waste water | Determination of nitrates spectrophotometrically with sulfosalicylic acid in test tubes and of nitrate nitrogen by calculation nitrate nitrogen by calculation (calculated) Regulated area: Tests |
spectrophotometry with sulfosalicylic acid in test tubes | B1 ADA č. 7, část B (ČSN ISO 7890-3, Čs. Hyg, 26, 1981, No. 3) | |
| 10 | Drinking, raw, surface and waste water | Determination of chlorides by mercurimetry Regulated area: Tests |
mercurimetric method | B1 ADA č. 8 (AOAC 973.51) | |
| 11 | Drinking, raw, surface and waste water | Determination of iron spectrophotometrically with 1,10-phenanthroline Regulated area: Tests |
spectrophotometry with 1,10-phenanthroline | B1 ADA č. 9 (ČSN ISO 6332) | |
| 12 | Drinking, raw and surface water, bathing water | Determination of chemical oxygen demand by permanganate (CODMn) by titration Regulated area: Tests |
titration | B1 ADA č. 10 (ČSN EN ISO 8467) | |
| 13 | Drinking, raw, surface and waste water | Determination of chemical oxygen demand by dichromate (CODCr) spectrophotometrically using a Merck kit Regulated area: Tests |
spectrophotometric method, Merck kit | B1 ADA č. 11 (návod firmy Merck, ČSN ISO 15705) | |
| 14 | Drinking, raw, surface and process water | Determination of the sum of calcium and magnesium by titration with EDTA and of magnesium by calculation magnesium by calculation (calculated) Regulated area: Tests |
titration with EDTA | B1 ADA č. 12 (ČSN ISO 6059) | |
| 15 | Drinking, raw, surface, waste and process water | Determination of total phosphorus and orthophosphates spectrophotometrically with ammonium molybdate Regulated area: Tests |
spectrophotometry with ammonium molybdate | B1 ADA č. 13 (ČSN EN ISO 6878) | |
| 16 | Drinking, raw, surface and waste water | Determination of sulphates by titration with lead nitrate Regulated area: Tests |
titration with lead nitrate | B1 ADA č. 14 (ČSN 75 7477) | |
| 17 | Drinking, raw, surface and waste water | Determination of calcium by titration with EDTA Regulated area: Tests |
titration with EDTA | B1 ADA č. 15 (ČSN ISO 6058) | |
| 18 | Drinking, raw, surface and waste water | Determination of manganese spectrophotometrically with formaldoxime Regulated area: Tests |
spectrophotometry with formaldoxime | B1 ADA č. 16 (ČSN ISO 6333) | |
| 19 | Drinking and raw water | Determination of absorbance spectrophotometrically Regulated area: Tests |
spectrophotometric method | B1 ADA č. 17 (ČSN 75 7360) | |
| 20 | Drinking, raw, surface and waste water | Determination of suspended solids (105°C) and loss on ignition of suspended solids (550°C) by filtration through glass fibre filter and membrane filter by gravimetry Regulated area: Tests |
filtration through glass fibre filter and membrane filter, gravimetric method | B1 ADA č. 18 (ČSN EN 872, ČSN 75 7350) | |
| 21 | Drinking, raw, surface and waste water | Determination of dissolved solids (105°C) and RAS (550°C) by gravimetry Regulated area: Tests |
gravimetric method | B1 ADA č. 19 (ČSN 75 7346, ČSN 75 7347) | |
| 22 | Raw, surface and waste water | Determination of biochemical oxygen demand (BODn) by dilution and seeding method with membrane probe Regulated area: Tests |
dilution and seeding method with membrane probe | B1 ADA č. 20 (ČSN EN ISO 5815-1, ČSN EN 1899-2) | |
| 23 | Drinking, raw, surface and waste water | Determination of total nitrogen and organic nitrogen spectrophotometrically after oxidative digestion with peroxodisulphate and of inorganic nitrogen by calculation inorganic nitrogen by calculation (calculated) Regulated area: Tests |
spectrophotometry after oxidative digestion with peroxodisulphate | B1 ADA č. 21 (ČSN EN ISO 11905-1) | |
| 24 | Drinking, raw and surface water, bathing water | Determination of turbidity by nephelometry Regulated area: Tests |
nephelometric method | B1 ADA č. 22 (ČSN EN ISO 7027) | |
| 25 | Drinking and raw water | Determination of colour spectrophotometrically Regulated area: Tests |
spectrophotometric method | B1 ADA č. 23 (ČSN EN ISO 7887) | |
| 26 | Drinking, bottled and raw water, bathing water | Enumeration of Escherichia coli and coliform bacteria by the most probable number method Regulated area: Tests |
most probable number method | B1 ADA č. 26 (ČSN EN ISO 9308-2) | |
| 27 | Drinking, bottled and raw water | Enumeration of thermotolerant coliform bacteria and Escherichia coli Regulated area: Tests |
B1 ADA č. 27 (ČSN 75 7835) | ||
| 28 | Drinking, bottled and raw water | Enumeration of intestinal enterococci by membrane filter method Regulated area: Tests |
membrane filter method | B1 ADA č. 28 (ČSN EN ISO 7899-2) | |
| 29 | Drinking, bottled, surface and raw water, bathing water | Enumeration of culturable micro-organisms – colony count by inoculation in a nutrient agar culture medium Regulated area: Tests |
inoculation in a nutrient agar culture medium | B1 ADA č. 29 (ČSN EN ISO 6222) | |
| 30 | Drinking, raw and surface water, slightly polluted waste water | Determination of fluorides electrochemically Regulated area: Tests |
electrochemical method | B1 ADA č. 30 (ČSN ISO 10359-1) | |
| 31 | Drinking, raw and ground water and slightly polluted surface and waste water | Determination of aluminium spectrophotometrically with pyrocatechol violet Regulated area: Tests |
spectrophotometry with pyrocatechol violet | B1 ADA č. 31 (ČSN ISO 10566) | |
| 32 | Drinking and disinfected water, bathing water | Determination of free chlorine colorimetrically using a Merck kit Regulated area: Tests |
colorimetric method, Merck kit | B1 ADA č. 33 (návod firmy Merck) | |
| 33 | Drinking water | Indicative sensory analysis – determination of odour and taste Regulated area: Tests |
sensory analysis | B1 ADA č. 34 (ČSN EN 1622) | |
| 34 | Drinking, raw, ground and surface water | Determination of sodium with an ion-selective electrode Regulated area: Tests |
ion-selective electrode | B1 ADA č. 35 (Iontově selektivní elektrody; Jiří Koryta a Karel Štulík; ACADEMIA/Praha 1984) | |
| 35 | Drinking, raw, ground, surface and waste water | Determination of adsorbable organically bound halogens (AOX) by coulometry Regulated area: Tests |
coulometric method | B1 ADA č. 36 (ČSN EN ISO 9562) | |
| 36 | Drinking, raw, surface and waste water | Determination of dissolved oxygen electrochemically with membrane probe Regulated area: Tests |
electrochemical method with membrane probe | B1 ADA č. 37-1 (ČSN EN ISO 5814) | |
| 37 | Drinking, raw and surface water | Determination of boron spectrophotometrically with azomethine-H Regulated area: Tests |
spectrophotometry with azomethine-H | B1 ADA č. 38 (ČSN ISO 9390) | |
| 38 | Drinking, raw, ground and surface water, bathing water and waste water | Determination of temperature Regulated area: Tests |
B1 ADA č. 39 (ČSN 75 7342) | ||
| 39 | Drinking and raw water | Sampling of drinking water Regulated area: Sampling |
B1 OV č. 3 (ČSN EN ISO 19458, ČSN EN ISO 5667-1, ČSN EN ISO 5667-3, ČSN ISO 5667-5, ČSN ISO 5667-11, ČSN EN ISO 5667-14, TNV 75 7055) | ||
| 40 | Waste water | Sampling of waste water (manual sampling and sampling with an automatic sampler) Regulated area: Sampling |
B1 OV č. 2 (ČSN EN ISO 5667-1, ČSN EN ISO 5667-3, ČSN ISO 5667-10, ČSN EN ISO 5667-14, TNV 75 7315) | ||
Reference standards (92)
ACADEMIA/Praha 1984
AHEM č.21/1976
AOAC 973.51
B1 ADA č. 1
B1 ADA č. 10
B1 ADA č. 11
B1 ADA č. 12
B1 ADA č. 13
B1 ADA č. 14
B1 ADA č. 15
B1 ADA č. 16
B1 ADA č. 17
B1 ADA č. 18
B1 ADA č. 19
B1 ADA č. 2
B1 ADA č. 20
B1 ADA č. 21
B1 ADA č. 22
B1 ADA č. 23
B1 ADA č. 26
B1 ADA č. 27
B1 ADA č. 28
B1 ADA č. 29
B1 ADA č. 3
B1 ADA č. 30
B1 ADA č. 31
B1 ADA č. 33
B1 ADA č. 34
B1 ADA č. 35
B1 ADA č. 36
B1 ADA č. 37-1
B1 ADA č. 38
B1 ADA č. 39
B1 ADA č. 4, část A
B1 ADA č. 4, část B
B1 ADA č. 5
B1 ADA č. 6
B1 ADA č. 7, část A
B1 ADA č. 7, část B
B1 ADA č. 8
B1 ADA č. 9
B1 OV č. 2
B1 OV č. 3
Iontově selektivní elektrody
Jiří Koryta a Karel Štulík
TNV 75 7055
TNV 75 7315
návod firmy Merck
ČSN 75 7342
ČSN 75 7346
ČSN 75 7347
ČSN 75 7350
ČSN 75 7360
ČSN 75 7477
ČSN 75 7835
ČSN EN 1622
ČSN EN 1899-2
ČSN EN 26777
ČSN EN 27888
ČSN EN 872
ČSN EN ISO 11905-1
ČSN EN ISO 19458
ČSN EN ISO 5667-1
ČSN EN ISO 5667-14
ČSN EN ISO 5667-3
ČSN EN ISO 5814
ČSN EN ISO 5815-1
ČSN EN ISO 6222
ČSN EN ISO 6878
ČSN EN ISO 7027
ČSN EN ISO 7887
ČSN EN ISO 7899-2
ČSN EN ISO 8467
ČSN EN ISO 9308-2
ČSN EN ISO 9562
ČSN EN ISO 9963-1
ČSN ISO 10359-1
ČSN ISO 10523
ČSN ISO 10566
ČSN ISO 15705
ČSN ISO 5664
ČSN ISO 5667-10
ČSN ISO 5667-11
ČSN ISO 5667-5
ČSN ISO 6058
ČSN ISO 6059
ČSN ISO 6332
ČSN ISO 6333
ČSN ISO 7150-1
ČSN ISO 7890-3
ČSN ISO 9390
Čs. Hyg, 26, 1981, No. 3