🇵🇱 GÓRNOŚLĄSKIE PRZEDSIĘBIORSTWO WODOCIĄGÓW S.A. PL
Water & wastewaterMicrobiology
GÓRNOŚLĄSKIE PRZEDSIĘBIORSTWO WODOCIĄGÓW S.A. is a laboratory accredited by PCA under number AB 1158 (Katowice, Poland). Its accreditation scope covers 105 test methods in the following areas: Water & wastewater, Microbiology. Test objects include: Water, Wastewater, Water, wastewater, Water (including swimming pool water).
At a glance
- Accreditation number: PCA AB 1158
- Methods in scope: 105
- Types of test objects: 9
- City: Katowice, Poland
- Accreditation number
- AB 1158
- Accreditation body
- PCA
- Address
- ul. Wojewódzka 19, 40-026 Katowice, WYDZIAŁ BADANIA WODY, ul. Żeliwna 38
- City
- Katowice, Poland
What this laboratory tests (9)
- Water — 66 methods
- Wastewater — 20 methods
- Water, wastewater — 7 methods
- Water (including swimming pool water) — 4 methods
- Water E — 4 methods
- Water E, wastewater E — 1 method
- Water intended for human consumption — 1 method
- Water intended for human consumption E — 1 method
- Water, water intended for human consumption — 1 method
Accreditation scope — test methods (105)
| No. | Test object | Methodology / Parameters | Technique | Reference document | |
|---|---|---|---|---|---|
| Test methods | |||||
| 1 | Water | Sampling for chemical, physical (including sensory) testing | PN-ISO 5667-5:2017-10 PN-ISO 5667-4:2017-10 PN-EN ISO 5667-6:2016-12 z wyłączeniem pkt 7.3 | ||
| 2 | Water | Turbidity Range: (0,20 – 40) NTU Nephelometric method | PN-EN ISO 7027-1:2016-09 | ||
| 3 | Water | Colour Range: (5 – 70) mg/l Pt Visual method | PN-EN ISO 7887:2012 | ||
| 4 | Water | pH Range: 4,0 – 10,0 Potentiometric method | PN-EN ISO 10523:2012 | ||
| 5 | Water | Electrical conductivity Range: (84 – 13 000) µS/cm Conductometric method | PN-EN 27888:1999 | ||
| 6 | Water | Total calcium and magnesium content (total hardness) Range: (20 – 600) mg/l CaCO 3 (1,1 – 33,6) on Titrimetric method | PN-ISO 6059:1999 | ||
| 7 | Water | Anion concentrations Range: chlorates (0,05 – 2,00) mg/l chlorites (0,05 – 2,00) mg/l Ion chromatography with conductometric detection (IC-CD) Σ of chlorates and chlorites (calculated) | PN-EN ISO 10304-4:2022-08 | ||
| 8 | Water | Bromate concentration Range: (0,0030 – 0,0200) mg/l Ion chromatography with conductometric detection (IC-CD) | PN-EN ISO 15061:2003 | ||
| 9 | Water | Volatile organic compounds concentration Range: benzene (0,10 – 1,5) μg/l trichloroethene (1,0 – 12,0) μg/l tetrachloroethene (1,0 – 12,0) μg/l Gas chromatography with purge and trap technique (Purge&Trap) and photoionisation detection (P&T-GC-PID) Σ of trichloroethene and tetrachloroethene (calculated) | PB/19 wydanie 4 z dnia 15.11.2018 r. | ||
| 10 | Water | Free chlorine concentration Range: (0,05 – 2,0) mg/l Spectrophotometric method | PN-EN ISO 7393-2:2018-04 | ||
| 11 | Water | Total chlorine concentration Range: (0,06 – 2,0) mg/l Spectrophotometric method Combined chlorine / chloramine concentration (calculated) | PN-EN ISO 7393-2:2018-04 | ||
| 12 | Water | Ozone concentration range: (0,03 – 0,25) mg/l Spectrophotometric method | PB/43 wyd. 2 z dnia 20.09.2018 na podstawie metody HACH 8311 | ||
| 13 | Water | Total cyanide concentration Range: (5,0 – 50,0) µg/l Continuous flow analysis method (CFA) with spectrophotometric detection | PN-EN ISO 14403-2:2012 | ||
| 14 | Water | Ammonium ion concentration Range: (0,030 – 1,00) mg/l Continuous flow analysis (CFA) method with spectrophotometric detection | PN-EN ISO 11732:2007 | ||
| 15 | Water | Mercury concentration Range: (0,10 – 10,0) µg/l Atomic fluorescence spectrometry method (AFS) | PN-EN ISO 17852:2009 | ||
| 16 | Water, wastewater | Chromium (VI) concentration Range: (0,010 – 1,0) mg/l Continuous flow analysis (CFA) method with spectrophotometric detection | PN-EN ISO 23913:2009 | ||
| 17 | Water, wastewater | Sulphide concentration Range: (0,03 – 0,75) mg/l Continuous flow analysis (CFA) method with spectrophotometric detection | PB/15 wydanie 1 z dnia 10.10.2022 r. na podstawie aplikacji Metoda nr A-096-20 Rev.0 do analizatora AA500 | ||
| 18 | Water, wastewater | Free cyanide concentration Range: (0,005 – 0,100) mg/l Continuous flow analysis method (CFA) with spectrophotometric detection Bound cyanide concentration (calculated) | PN-EN ISO 14403-2:2012 | ||
| 19 | Wastewater | Mercury concentration Range: (0,10 – 10,0) µg/l Atomic fluorescence spectrometry method (AFS) | PN-EN ISO 17852:2009 | ||
| 20 | Wastewater | Total cyanide concentration Range: (0,005 – 5,0) mg/l Continuous flow analysis method (CFA) with spectrophotometric detection | PN-EN ISO 14403-2:2012 | ||
| 21 | Wastewater | Concentration of halogenated derivatives Range: Hexachlorobutadiene (0,5 – 5,0) μg/l Chloroform (1,0 – 150,0) μg/l Tetrachloroethylene (1,0 – 150,0) μg/l Trichloroethylene (1,0 – 150,0) μg/ Tetrachloromethane (0,5 – 5,0) μg/l 1,2- dichloroethane (0,5 – 5,0) μg/l Headspace gas chromatography with electron capture detection (HS-GC-ECD) | PN-EN ISO 10301:2002 | ||
| 22 | Water, water intended for human consumption | Organochlorine pesticide concentration Range: lindane (0,010 – 0,50) μg/l heptachlor (0,010 – 0,50) μg/l aldrin (0,010 – 0,50) μg/l isodrin (0,010 – 0,50) μg/l heptachlor epoxide (0,010 – 0,50) μg/l dieldrin (0,010 – 0,50) μg/l endrin (0,010 – 0,50) μg/l methoxychlor (0,010 – 0,50) μg/l Gas chromatography with mass spectrometry detection (GC-MS/MS) Σ of pesticides (calculated) | PB/10 wydanie 1 z dnia 08.10.2024 | ||
| 23 | Water intended for human consumption | Element concentrations Range: antimony (1,00 – 100,0) ug/l arsenic (1,00 – 100,0) ug/l boron (5,00 – 5000,0) ug/l chromium (5,00 – 5000,0) ug/l aluminium (5,00 – 5000,0) ug/l cadmium (1,00 – 100,0) ug/l copper (5,00 – 5000,0) ug/l manganese (5,00 – 5000,0) ug/l nickel (5,00 – 5000,0) ug/l lead (1,00 – 100,0) ug/l silver (1,00 – 100,0) ug/l selenium (1,00 – 100,0) ug/l uranium (5,00 – 5000,0) ug/l iron (5,00 – 5000,0) ug/l Inductively coupled plasma mass spectrometry (ICP-MS) | PN-EN ISO 17294-2: 2024-04 | ||
| 24 | Water E | Organochlorine pesticide concentration Gas chromatography with mass spectrometry detection (GC-MS) Σ of pesticides (calculated) | PB/36 | ||
| 25 | Water E | Concentration of polycyclic aromatic hydrocarbons (PAH) High performance liquid chromatography method with fluorescence detection (HPLC-FLD) Σ PAH (calculated) | PB/49 | ||
| 26 | Water E | Anion concentrations Ion chromatography with conductometric detection (IC-CD) | PN-EN ISO 10304-1:2009 +AC:2012 | ||
| 27 | Water E | Concentration of halogenated derivatives Headspace gas chromatography with electron capture detection (HS-GC-ECD) Σ THM (calculated) Σ of trichloroethene and tetrachloroethene (calculated) | PN-EN ISO 10301:2002 | ||
| 28 | Water intended for human consumption E | Metal concentrations Inductively coupled plasma optical emission spectrometry (ICP-OES) | PN-EN ISO 11885:2009 | ||
| 29 | Water E, wastewater E | Metal concentrations Inductively coupled plasma optical emission spectrometry (ICP-OES) | PN-EN ISO 11885:2009 | ||
| 30 | Water | Sampling for microbiological testing | PN-EN ISO 19458:2007 z wyłączeniem pkt 4.4.3 | ||
| 31 | Water (including swimming pool water) | Total viable count at 36°C Plate method (pour plate) | PN-EN ISO 6222:2004 | ||
| 32 | Water (including swimming pool water) | Escherichia coli count Membrane filtration method | PN-EN ISO 9308-1:2014-12 +A1:2017-04 | ||
| 33 | Water | Total viable count at 22°C Plate method (pour plate) | PN-EN ISO 6222:2004 | ||
| 34 | Water | Coliform bacteria count Membrane filtration method | PN-EN ISO 9308-1:2014-12 +A1:2017-04 | ||
| 35 | Water | Intestinal enterococci count Membrane filtration method | PN-EN ISO 7899-2:2004 | ||
| 36 | Water | Clostridium perfringens count (including spores) Membrane filtration method | Metodyka PZH-ZHK:2006 – część II | ||
| 37 | Water | Clostridium perfringens count (including spores) Membrane filtration method | PN-EN ISO 14189:2016-10 | ||
| 38 | Water | Most probable number of coliform bacteria and Escherichia coli MPN method | PN-EN ISO 9308-2:2014-06 | ||
| 39 | Water (including swimming pool water) | Count of bacteria of the genus Legionella Matrix A Procedure 5, medium A Procedure 7, medium C Membrane filtration method | PN-EN ISO 11731:2017-08 +Ap1:2019-12 | ||
| 40 | Water (including swimming pool water) | Pseudomonas aeruginosa count Membrane filtration method | PN-EN ISO 16266:2009 | ||
| 41 | Water | Threshold odour number (TON) Range: 1 – 64 Full paired method, non-forced choice | PN-EN 1622:2006 | ||
| 42 | Water | Threshold flavour number (TFN) Range: 1 – 64 Full paired method, non-forced choice | |||
| 43 | Water | Sampling for chemical and physical testing (including sensory testing) | PN-ISO 5667-5:2017-10 PN-ISO 5667-4:2017-10 PN-EN ISO 5667-6:2016-12 z wyłączeniem pkt 7.3 | ||
| 44 | Water | Colour Range: (5 – 70) mg/l Pt Visual method | PN-EN ISO 7887:2012 metoda D | ||
| 45 | Water | Total organic carbon (TOC) concentration Range: (1,0 – 100) mg/l Infrared range spectrometry method IR | PN-EN 1484:1999 | ||
| 46 | Water | Iron concentration Range: (0,050 – 1,00) mg/l Spectrophotometric method | PN-ISO 6332:2001 z wyłączeniem pkt 7.3 | ||
| 47 | Water | Manganese concentration Range: (0,015 – 0,50) mg/l Spectrophotometric method | PN-92/C-04590/03 | ||
| 48 | Water | Aluminium concentration Range: (0,050 – 1,0) mg/l Spectrophotometric method | PN-92/C-04605/02 | ||
| 49 | Water | Ammonium ion concentration Range: (0,05 – 2,0) mg/l Spectrophotometric method | PN-EN ISO 7150-1:2002 | ||
| 50 | Water | Organic nitrogen concentration (calculated) | PB/4/G wydanie 2 z dnia 07.10.2022 | ||
| 51 | Water | Nitrite concentration Range: (0,04 – 1,00) mg/l Spectrophotometric method | PN-EN 26777:1999 | ||
| 52 | Water | Total nitrogen concentration (calculated) | PB/4/G wydanie 2 z dnia 07.10.2022 | ||
| 53 | Water | Nitrate concentration Range: (1,0 – 50) mg/l Spectrophotometric method | PN-82/C-04576/08 | ||
| 54 | Water | Kjeldahl nitrogen concentration Range: (1 – 10) mg/l Potentiometric titration method | PN-EN 25663:2001 | ||
| 55 | Water | Ozone concentration Range: (0,03 – 0,7) mg/l Spectrophotometric method | PB/43 wyd. 2 z dnia 20.09.2018 r. | ||
| 56 | Water | Free chlorine concentration Range: (0,05 – 2,00) mg/l Spectrophotometric method | PN-EN ISO 7393-2:2018-04 | ||
| 57 | Water | Total chlorine concentration Range: (0,05 – 2,00) mg/l Spectrophotometric method Combined chlorine / chloramine concentration (calculated) | PN-EN ISO 7393-2:2018-04 | ||
| 58 | Water | Chloride concentration Range: (5 – 400) mg/l Titrimetric method | PN-ISO 9297:1994 | ||
| 59 | Water | Total calcium and magnesium content (total hardness) Range: (5 – 600) mg/l CaCO 3 (0,3 – 34) on Titrimetric method | PN-ISO 6059:1999 | ||
| 60 | Water | Orthophosphate concentration Range: (0,050 – 3,00) mg/l Spectrophotometric method | PN-EN ISO 6878:2006 +Ap1:2010+Ap2:2010 | ||
| 61 | Water | Sulfate (VI) concentration Range: (10 – 500) mg/l Gravimetric method | PN-ISO 9280:2002 | ||
| 62 | Water | Total suspended solids (TSS) Range: (4,0 – 500) mg/l Gravimetric method | PN-EN 872:2007+Ap1:2007 | ||
| 63 | Water | Chemical oxygen demand - COD (Cr) Range: (30 – 300) mg/l O 2 Titrimetric method | PN-ISO 6060:2006 | ||
| 64 | Water | Biochemical oxygen demand - BOD 5 Range: (3 – 300) mg/l O 2 Electrochemical method | PN-EN ISO 5815-1:2019 | ||
| 65 | Water | Biochemical oxygen demand - BOD 5 Range: (0,7 – 6,0) mg/l O 2 Electrochemical method | PN-EN 1899-2:2002 | ||
| 66 | Water, wastewater | Petroleum ether extractable substances Range: (5,0 – 200) mg/l Gravimetric method | PB/6/G wydanie 1 z dnia 30.09.2025 | ||
| 67 | Wastewater | Sulfate (VI) concentration Range: (10 – 500) mg/l Gravimetric method | PN-ISO 9280:2002 | ||
| 68 | Wastewater | pH Range: (4,0 – 10,0) Potentiometric method | PN-EN ISO 10523:2012 | ||
| 69 | Wastewater | Total suspended solids (TSS) Range: (4,0 – 500) mg/l Gravimetric method | PN-EN 872:2007+Ap1:2007 | ||
| 70 | Wastewater | Chemical oxygen demand - COD (Cr) Range: (30 – 800) mg/l O 2 Titrimetric method | PN-ISO 6060:2006 | ||
| 71 | Wastewater | Biochemical oxygen demand - BOD 5 Range: (3 – 300) mg/l O 2 Electrochemical method | PN-EN ISO 5815-1:2019 | ||
| 72 | Wastewater | Biochemical oxygen demand - BOD 5 Range: (0,7 – 6,0) mg/l O 2 Electrochemical method | PN-EN 1899-2:2002 | ||
| 73 | Wastewater | Chloride concentration Range: (10 – 800) mg/l Titrimetric method | PN-ISO 9297:1994 | ||
| 74 | Wastewater | Kjeldahl nitrogen concentration Range: (1 – 10) mg/l Potentiometric titration method | PN-EN 25663:2001 | ||
| 75 | Wastewater | Ammonium ion concentration Range: (0,05 – 2,0) mg/l Spectrophotometric method | PN-EN ISO 7150-1:2002 | ||
| 76 | Wastewater | Organic nitrogen concentration (calculated) | PB/4/G wydanie 2 z dnia 07.10.2022 | ||
| 77 | Wastewater | Nitrite concentration Range: (0,04 – 1,00) mg/l Spectrophotometric method | PN-EN 26777:1999 | ||
| 78 | Wastewater | Total nitrogen concentration (calculated) | PB/4/G wydanie 2 z dnia 07.10.2022 | ||
| 79 | Wastewater | Nitrate concentration Range: (1,0 – 50) mg/l Spectrophotometric method | PN-82/C-04576/08 | ||
| 80 | Water | Total microorganism count at 22°C and 36°C Plate method (pour plate) | PN-EN ISO 6222:2004 | ||
| 81 | Water | Intestinal enterococci count Membrane filtration method | PN-EN ISO 7899-2:2004 | ||
| 82 | Water | Coliform bacteria and Escherichia coli count Membrane filtration method | PN-EN ISO 9308-1:2014-12 +A1:2017-04 | ||
| 83 | Water | Turbidity Range: (0,10 – 40,0) NTU Nephelometric method | PN-EN ISO 7027-1:2016-09 | ||
| 84 | Water | Total chlorine concentration Range: (0,05 – 2,0) mg/l Spectrophotometric method Combined chlorine / chloramine concentration (calculated) | PN-EN ISO 7393-2:2018-04 | ||
| 85 | Water | Manganese concentration Range: (0,015 – 0,50) mg/l Spectrophotometric method | PN-92/C-04590/02 | ||
| 86 | Water | Total calcium and magnesium content (total hardness) Range: (10 – 600) mg/l CaCO 3 (0,6 – 33,6) on Titrimetric method | PN-ISO 6059:1999 | ||
| 87 | Water | Nitrite concentration Range: (0,04 – 1,00) mg/l Nitrite nitrogen concentration Range: (0,01 – 0,30) mg/l Spectrophotometric method | PN-EN 26777:1999 | ||
| 88 | Water | Nitrate concentration Range: (1,0 – 100,0) mg/l Nitrate nitrogen concentration Range: (0,25 – 22,0) mg/l Spectrophotometric method | PN-82/C-04576/08 | ||
| 89 | Water | Mercury concentration Range: (0,0005 – 0,010) mg/l Atomic absorption spectrometry with amalgamation technique | PB/31/M wydanie 2 z dnia 21.10.2024 | ||
| 90 | Water | Antimony concentration Range: (0,0005 – 0,010) mg/l Hydride generation atomic absorption spectrometry (HGAAS) | PB/6/M wydanie 5 z dnia 21.10.2024 | ||
| 91 | Water | Sulphate (VI) concentration Range: (20 - 300) mg/l Turbidimetric method | PB/17/M wydanie 3 z dnia 31.05.2019 r. na podstawie testu Nanocolor nr 985 086; nr 985 087 i nr 985 062 | ||
| 92 | Water | Sulfate (VI) concentration Range: (10 – 500) mg/l Gravimetric method | PN-ISO 9280: 2002 | ||
| 93 | Water | Total suspended solids (TSS) Range: (2,0 – 500) mg/l Gravimetric method | PN-EN 872:2007+Ap1:2007 | ||
| 94 | Water | Chemical oxygen demand - COD (Cr) Range: (10 – 200) mg/l O 2 Spectrophotometric method | PN-ISO 15705:2005 | ||
| 95 | Water | Biochemical oxygen demand - BOD 5 Range: (0,6 – 6,0) mg/l O 2 Electrochemical method | PN-EN 1899-2:2002 | ||
| 96 | Water | Permanganate index Range: (0,5 – 10) mg/l Titrimetric method | PN-EN ISO 8467:2001 | ||
| 97 | Water | Phenol index Range: (0,005 – 0,100) mg/l Spectrophotometric method | PN-ISO 6439:1994 | ||
| 98 | Water | Silicate concentration Range: (1 – 50) mg/l SiO 2 Spectrophotometric method | PB/14/M wydanie 2 z dnia 30.06.2022 na postawie testu Nanocolor 918 48 | ||
| 99 | Wastewater | Sulfate (VI) concentration Range: (10 – 500) mg/l Gravimetric method | PN-ISO 9280: 2002 | ||
| 100 | Wastewater | Total suspended solids (TSS) Range: (2,0 – 500) mg/l Gravimetric method | PN-EN 872:2007+Ap1:2007 | ||
| 101 | Wastewater | Chemical oxygen demand - COD (Cr) Range: (10 – 800) mg/l O 2 Spectrophotometric method | PN-ISO 15705:2005 | ||
| 102 | Wastewater | Phenol index Range: (0,005 – 0,100) mg/l Spectrophotometric method | PN-ISO 6439:1994 | ||
| 103 | Water, wastewater | Anionic surfactant concentration (anionic surface active agents) Range: (0,1 – 5,0) mg/l Spectrophotometric method | PB/5/M wydanie 2 z dnia 10.12.2024 r. na podstawie testów kuwetowych Hach Lange nr LCK 432 | ||
| 104 | Water, wastewater | Non-ionic surfactant concentration (non-ionic surface active agents) Range: (0,2 – 10,0) mg/l Spectrophotometric method | PB/5/M wydanie 2 z dnia 10.12.2024 r. na podstawie testów kuwetowych Hach Lange nr LCK 333 | ||
| 105 | Water, wastewater | Sum of anionic and non-ionic surfactants (calculated) | PB/5/M wydanie 2 z dnia 10.12.2024 r. na podstawie testów kuwetowych Hach Lange nr LCK 432 i LCK 333 | ||
Reference standards (64)
Metodyka PZH-ZHK:2006 – część II
PB/10 wydanie 1 z dnia 08.10.2024
PB/14/M wydanie 2 z dnia 30.06.2022 na postawie testu Nanocolor 918 48
PB/15 wydanie 1 z dnia 10.10.2022 r. na podstawie aplikacji Metoda nr A-096-20 Rev.0 do analizatora AA500
PB/17/M wydanie 3 z dnia 31.05.2019 r. na podstawie testu Nanocolor nr 985 086; nr 985 087 i nr 985 062
PB/19 wydanie 4 z dnia 15.11.2018 r.
PB/31/M wydanie 2 z dnia 21.10.2024
PB/36
PB/4/G wydanie 2 z dnia 07.10.2022
PB/43 wyd. 2 z dnia 20.09.2018 na podstawie metody HACH 8311
PB/43 wyd. 2 z dnia 20.09.2018 r.
PB/49
PB/5/M wydanie 2 z dnia 10.12.2024 r. na podstawie testów kuwetowych Hach Lange nr LCK 333
PB/5/M wydanie 2 z dnia 10.12.2024 r. na podstawie testów kuwetowych Hach Lange nr LCK 432
PB/5/M wydanie 2 z dnia 10.12.2024 r. na podstawie testów kuwetowych Hach Lange nr LCK 432 i LCK 333
PB/6/G wydanie 1 z dnia 30.09.2025
PB/6/M wydanie 5 z dnia 21.10.2024
PN-82/C-04576/08
PN-92/C-04590/02
PN-92/C-04590/03
PN-92/C-04605/02
PN-EN 1484:1999
PN-EN 1622:2006
PN-EN 1899-2:2002
PN-EN 25663:2001
PN-EN 26777:1999
PN-EN 27888:1999
PN-EN 872:2007+Ap1:2007
PN-EN ISO 10301:2002
PN-EN ISO 10304-1:2009 +AC:2012
PN-EN ISO 10304-4:2022-08
PN-EN ISO 10523:2012
PN-EN ISO 11731:2017-08 +Ap1:2019-12
PN-EN ISO 11732:2007
PN-EN ISO 11885:2009
PN-EN ISO 14189:2016-10
PN-EN ISO 14403-2:2012
PN-EN ISO 15061:2003
PN-EN ISO 16266:2009
PN-EN ISO 17294-2: 2024-04
PN-EN ISO 17852:2009
PN-EN ISO 19458:2007 z wyłączeniem pkt 4.4.3
PN-EN ISO 23913:2009
PN-EN ISO 5815-1:2019
PN-EN ISO 6222:2004
PN-EN ISO 6878:2006 +Ap1:2010+Ap2:2010
PN-EN ISO 7027-1:2016-09
PN-EN ISO 7150-1:2002
PN-EN ISO 7393-2:2018-04
PN-EN ISO 7887:2012
PN-EN ISO 7887:2012 metoda D
PN-EN ISO 7899-2:2004
PN-EN ISO 8467:2001
PN-EN ISO 9308-1:2014-12 +A1:2017-04
PN-EN ISO 9308-2:2014-06
PN-ISO 15705:2005
PN-ISO 5667-5:2017-10 PN-ISO 5667-4:2017-10 PN-EN ISO 5667-6:2016-12 z wyłączeniem pkt 7.3
PN-ISO 6059:1999
PN-ISO 6060:2006
PN-ISO 6332:2001 z wyłączeniem pkt 7.3
PN-ISO 6439:1994
PN-ISO 9280: 2002
PN-ISO 9280:2002
PN-ISO 9297:1994