🇵🇱 Zakład Wodociągów i Kanalizacji w Gostyniu Sp. z o.o. PL
Water & wastewater
Zakład Wodociągów i Kanalizacji w Gostyniu Sp. z o.o. is a laboratory accredited by PCA under number AB 1957 (Gostyń, Poland). Its accreditation scope covers 19 test methods in the following areas: Water & wastewater. Test objects include: Water intended for human consumption, Wastewater. Most frequently used techniques: Spectrophotometric method, Potentiometric method, Conductometric method.
At a glance
- Accreditation number: PCA AB 1957
- Methods in scope: 19
- Types of test objects: 2
- Techniques used: 8
- City: Gostyń, Poland
- Valid until: 09-02-2030
- Accreditation number
- AB 1957
- Accreditation body
- PCA
- Address
- ul. Nad Kanią 77, 63-800 Gostyń
- City
- Gostyń, Poland
- Valid until
- 09-02-2030
What this laboratory tests (2)
- Water intended for human consumption — 10 methods
- Wastewater — 9 methods
Analytical techniques used (8)
- Spectrophotometric method — 10 methods
- Potentiometric method — 2 methods
- Conductometric method — 1 method
- Electrochemical method — 1 method
- Gravimetric method — 1 method
- Manual and automatic method — 1 method
- Nephelometric method — 1 method
- Visual method — 1 method
Laboratory locations
- Zakład Wodociągów i Kanalizacji w Gostyniu Sp. z o.o. (main site) — ul. Nad Kanią 77, 63-800 Gostyń
- ZAKŁAD WODOCIAGÓW I KANALIZACJI W GOSTYNIU Sp. z o.o. — ul. Nad Kanią 77
- LABORATORY DEPARTMENT — ul. Nad Kanią 77
Certificate information
- Issue date
- 10.02.2026
- Issue no.
- 1
Accreditation scope — test methods (19)
| No. | Test object | Methodology / Parameters | Technique | Reference document | |
|---|---|---|---|---|---|
| Laboratory Department | |||||
| 1 | Water intended for human consumption | pH Range (4,0 – 10,0) |
Potentiometric method | PN-EN ISO 10523:2012 | |
| 2 | Water intended for human consumption | Electrical conductivity Range (100 – 3000) μS/cm |
Conductometric method | PN-EN 27888:1999 | |
| 3 | Water intended for human consumption | Colour Range (2,5 – 60) mg/l Pt |
Visual method | PN-EN ISO 7887:2012/Ap1:2015-06 Method D | |
| 4 | Water intended for human consumption | Turbidity Range (0,30 – 20) NTU |
Nephelometric method | PN-EN ISO 7027-1:2016-09 | |
| 5 | Water intended for human consumption | Total iron concentration Range (30,0 – 3000) μg/l |
Spectrophotometric method | PBL-02, issue 09 of 11.12.2025 based on HACH test No. 8008 | |
| 6 | Water intended for human consumption | Manganese concentration Range (20 – 700) μg/l |
Spectrophotometric method | PBL-01, issue 09 of 11.12.2025 based on HACH test No. 8149 | |
| 7 | Water intended for human consumption | Ammonium ion concentration Range (0,05 – 2,0) mg/l |
Spectrophotometric method | PBL-03, issue 09 of 11.12.2025 based on HACH test LCK 304 | |
| 8 | Water intended for human consumption | Nitrite concentration Range (0,10 – 1,0) mg/l |
Spectrophotometric method | PBL-05, issue 09 of 11.12.2025 based on HACH test LCK 341 | |
| 9 | Water intended for human consumption | Nitrate concentration Range (1,0 – 50) mg/l |
Spectrophotometric method | PBL-04, issue 09 of 11.12.2025 based on HACH test LCK 339 | |
| 10 | Water intended for human consumption | Sampling for chemical and physical testing Temperature Range (5,0 – 30,0) °C |
PN-ISO 5667-5:2017-10 | PN-77/C-04584 | ||
| 11 | Wastewater | pH Range (4,0 – 10,0) |
Potentiometric method | PN-EN ISO 10523:2012 | |
| 12 | Wastewater | Total suspended solids (TSS) Range (2,0 – 1000) mg/l |
Gravimetric method | PN-EN 872:2007 +Ap.1:2007 | |
| 13 | Wastewater | Biochemical oxygen demand - BOD5 Range (1 – 6000) mg/l O2 |
Electrochemical method | PN-EN ISO 5815-1:2019-12 part 1 | |
| 14 | Wastewater | Chemical oxygen demand - COD-Cr Range (10,0 – 10000) mg/l O2 |
Spectrophotometric method | PN-ISO 15705:2005 | |
| 15 | Wastewater | Total nitrogen concentration Range (5,0 – 200) mg/l |
Spectrophotometric method | PBL-07, issue 09 of 11.12.2025 | based on HACH test LCK 238, LCK 338 | |
| 16 | Wastewater | Total phosphorus concentration Range (0,050 – 20,0) mg/l |
Spectrophotometric method | PBL-08, issue 09 of 11.12.2025 based on HACH test LCK 348, LCK 349, LCK 350 | |
| 17 | Wastewater | Ammonium nitrogen concentration Range (0,040 – 100) mg/l |
Spectrophotometric method | PBL-09, issue 03 of 11.12.2025 based on HACH test LCK 304, LCK 303, LCK 302 | |
| 18 | Wastewater | Nitrate nitrogen concentration Range (0,500 – 13,5) mg/l |
Spectrophotometric method | PBL-04, issue 09 of 11.12.2025 based on HACH test LCK 339 | |
| 19 | Wastewater | Sampling for chemical and physical testing Temperature Range (5,0 – 30,0) °C |
Manual and automatic method | PN-ISO 5667-10:2021-11 | PN-77/C-04584 | |
Reference standards (19)
PBL-01, issue 09 of 11.12.2025 based on HACH test No. 8149
PBL-02, issue 09 of 11.12.2025 based on HACH test No. 8008
PBL-03, issue 09 of 11.12.2025 based on HACH test LCK 304
PBL-04, issue 09 of 11.12.2025 based on HACH test LCK 339
PBL-05, issue 09 of 11.12.2025 based on HACH test LCK 341
PBL-07, issue 09 of 11.12.2025
PBL-08, issue 09 of 11.12.2025 based on HACH test LCK 348, LCK 349, LCK 350
PBL-09, issue 03 of 11.12.2025 based on HACH test LCK 304, LCK 303, LCK 302
PN-77/C-04584
PN-EN 27888:1999
PN-EN 872:2007 +Ap.1:2007
PN-EN ISO 10523:2012
PN-EN ISO 5815-1:2019-12 part 1
PN-EN ISO 7027-1:2016-09
PN-EN ISO 7887:2012/Ap1:2015-06 Method D
PN-ISO 15705:2005
PN-ISO 5667-10:2021-11
PN-ISO 5667-5:2017-10
based on HACH test LCK 238, LCK 338