🇵🇱 CHEMWIK Sp. z o.o. PL
Water & wastewaterEnvironment
CHEMWIK Sp. z o.o. is a laboratory accredited by PCA under number AB 508 (Bydgoszcz, Poland). Its accreditation scope covers 45 test methods in the following areas: Water & wastewater, Environment. Test objects include: Water, Wastewater, Sewage sludge, Activated sludge, Sewage sludge, Waste o), code 19 08 05, Wastewater. Most frequently used techniques: Gravimetric method, Spectrophotometric method, Titrimetric method.
At a glance
- Accreditation number: PCA AB 508
- Methods in scope: 45
- Types of test objects: 11
- Techniques used: 11
- City: Bydgoszcz, Poland
- Accreditation number
- AB 508
- Accreditation body
- PCA
- Address
- LABORATORIUM, ul. Toruńska 324 A, 85-880 Bydgoszcz
- City
- Bydgoszcz, Poland
What this laboratory tests (11)
- Water, Wastewater — 24 methods
- Sewage sludge, Activated sludge — 5 methods
- Sewage sludge, Waste o), code 19 08 05 — 4 methods
- Wastewater — 4 methods
- Activated sludge — 2 methods
- Activated sludge, Sewage sludge, Wasteo), code 19 08 05 — 1 method
- Process water — 1 method
- Sewage sludge — 1 method
- Sewage sludge (supernatant liquid) — 1 method
- Water — 1 method
- Water, Wastewater, Activated sludge — 1 method
Analytical techniques used (11)
- Gravimetric method — 12 methods
- Spectrophotometric method — 10 methods
- Titrimetric method — 4 methods
- Electrochemical method — 3 methods
- Potentiometric method — 3 methods
- Potentiometric titration method — 2 methods
- Automatic method; Manual method — 1 method
- Conductometric method — 1 method
- Coulometric titration method — 1 method
- High-temperature combustion with IR detection — 1 method
- Volumetric-sedimentation method — 1 method
Certificate information
- Issue date
- 14.01.2026
- Issue no.
- 21
Accreditation scope — test methods (45)
| No. | Test object | Methodology / Parameters | Technique | Reference document | |
|---|---|---|---|---|---|
| Test methods | |||||
| 1 | Wastewater | Biochemical oxygen demand BOD5, BOD2+5 Range (3 – 3000) mg/l O2 |
Electrochemical method | PN-EN ISO 5815-1:2019 | |
| 2 | Wastewater | Chemical oxygen demand COD Range (15,0 – 50000) mg/l O2 |
Spectrophotometric method | PN-ISO 15705:2005 | |
| 3 | Wastewater | Chemical oxygen demand COD Range (30 – 50000) mg/l O2 |
Titrimetric method | PN-ISO 6060:2006 | |
| 4 | Wastewater | Sampling for chemical and physical testing Temperature of the collected wastewater sample Range (0,5 – 50) oC |
Automatic method; Manual method | PN-ISO 5667-10:2021-11 | PN-77/C-04584 | |
| 5 | Water, Wastewater | Organic nitrogen concentration (calculated) | PB-11 edition 10 of 03.11.2025 | ||
| 6 | Water, Wastewater | pH Range 2,0 – 12,0 |
Potentiometric method | PN-EN ISO 10523:2012 | |
| 7 | Water, Wastewater | Total alkalinity Range (0,4 – 20) mmol/l |
Potentiometric titration method | PN-EN ISO 9963-1:2001+Ap1:2004 | |
| 8 | Water, Wastewater | Electrical conductivity Range (0,100 – 13) mS/cm |
Conductometric method | PN-EN 27888:1999 | |
| 9 | Water, Wastewater | Kjeldahl nitrogen concentration Range (1,00 – 1000) mg/l |
Titrimetric method | PN-EN 25663:2001 | |
| 10 | Water, Wastewater | Total nitrogen concentration (calculated) | PB-46 edition 01 of 18.09.2025 | ||
| 11 | Water, Wastewater | Total nitrogen concentration Range (1,00 – 400) mg/l |
Spectrophotometric method | PB-03 edition 09 of 25.05.2023 | based on the Hach Lange cuvette test LCK 138, LCK 238, LCK 338 | |
| 12 | Water, Wastewater | Sulfate concentration Range (40,0 – 2500) mg/l |
Spectrophotometric method | PB-07 edition 07 of 25.05.2023 | based on the Hach Lange cuvette test LCK 153 | |
| 13 | Water, Wastewater | Sulfate concentration Range (10 – 2500) mg/l |
Gravimetric method | PN-ISO 9280:2002 | |
| 14 | Water, Wastewater | Dry residue Range (100 – 25 000) mg/l |
Gravimetric method | PN-78/C-04541 | |
| 15 | Water, Wastewater | Dry residue Range (100 – 25 000) mg/l Dissolved solids (calculated) |
Gravimetric method | PB-22 edition 06 of 31.05.2019 | |
| 16 | Water, Wastewater | Biochemical oxygen demand BOD5, BOD2+5 Range (3 – 3000) mg/l O2 |
Electrochemical method | PN-EN 1899-1:2002 | |
| 17 | Water, Wastewater | Total organic carbon concentration (TOC) Range (10,0 – 1500) mg/l |
Spectrophotometric method | PB-21 edition 05 of 31.05.2019 | based on the Hach Lange cuvette test LCK 385, LCK 386 | |
| 18 | Water, Wastewater | Adsorbable organically bound halogens (AOX) concentration Range (0,025 – 50) mg/l |
Coulometric titration method | PN-EN ISO 9562:2007 | |
| 19 | Water, Wastewater | Total organic carbon concentration (TOC) Range (5,00 – 5000) mg/l |
High-temperature combustion with IR detection | PN-EN 1484:1999 | |
| 20 | Water, Wastewater | Chloride concentration Range (1,00 – 15000) mg/l |
Spectrophotometric method | PB-04 edition 06 of 31.05.2019 | based on the Hach Lange cuvette test LCK 311 | |
| 21 | Water, Wastewater | Ammonium nitrogen concentration Range (0,040 – 40,0 ) mg/l |
Spectrophotometric method | PN-ISO 7150-1:2002 | |
| 22 | Water, Wastewater | Ammonium nitrogen concentration Range (2,00 – 1000) mg/l |
Titrimetric method | PN-ISO 5664:2002 | |
| 23 | Water, Wastewater | Nitrite nitrogen concentration Range (0,001 – 20,0) mg/l |
Spectrophotometric method | PN-EN 26777:1999 | |
| 24 | Water, Wastewater | Nitrate nitrogen concentration Range (0,100 – 100) mg/l |
Spectrophotometric method | PN-82/C-04576.08 | |
| 25 | Water, Wastewater | Chloride concentration Range (5,00 – 1000) mg/l |
Titrimetric method | PN-ISO 9297:1994 | |
| 26 | Water, Wastewater | Phosphate concentration Range (0,020 – 300) mg/l |
Spectrophotometric method | PN-EN ISO 6878:2006 cl. 4 +Ap1:2010+Ap2:2010 | |
| 27 | Water, Wastewater | Biochemical oxygen demand BOD5 Range (1,5 – 6,0) mg/l O2 |
Electrochemical method | PN-EN 1899-2:2002 | |
| 28 | Water, Wastewater | Total phosphorus concentration Range (0,100 – 300) mg/l |
Spectrophotometric method | PN-EN ISO 6878:2006 cl. 7 +Ap1:2010+Ap2:2010 | |
| 29 | Water, Wastewater, Activated sludge | Total suspended solids (TSS) Range (2,0 – 20 000) mg/l |
Gravimetric method | PN-EN 872:2007+Ap1:2007 | |
| 30 | Sewage sludge, Activated sludge | Moisture (calculated) | PB-08 edition 07 of 31.05.2019, cl. 10.4 | ||
| 31 | Sewage sludge, Activated sludge | Dry residue Range (3 – 350) g/kg |
Gravimetric method | PN-EN 12880:2004 | |
| 32 | Sewage sludge, Activated sludge | pH Range 2,0 – 10,0 |
Potentiometric method | PN-EN ISO 10390:2022-09 | |
| 33 | Sewage sludge, Activated sludge | Dry residue Range (3 – 350) g/kg |
Gravimetric method | PN-EN 15934:2013- 02 | |
| 34 | Sewage sludge, Activated sludge | Loss on ignition Range (2,0 – 95,0) % Residue on ignition (calculated) |
Gravimetric method | PN-EN 15935:2022- 01 | |
| 35 | Sewage sludge, Waste o), code 19 08 05 | Dry residue Range (3 – 350) g/kg |
Gravimetric method | PN-EN 12880:2004 | |
| 36 | Sewage sludge, Waste o), code 19 08 05 | pH - in H2O Range 2,0 – 10,0 |
Potentiometric method | PN-EN ISO 10390:2022-09 | |
| 37 | Sewage sludge, Waste o), code 19 08 05 | Dry residue Range (3 – 350) g/kg |
Gravimetric method | PN-EN 15934:2013- 02 | |
| 38 | Sewage sludge, Waste o), code 19 08 05 | Loss on ignition of dry matter (LOI) / Residue on ignition Range (2,0 – 95,0) % |
Gravimetric method | PN-EN 15935:2022- 01 | |
| 39 | Sewage sludge (supernatant liquid) | Total alkalinity Range (2,0 – 200) mmol/l |
Potentiometric titration method | PB-30 edition 05 of 31.05.2019 | |
| 40 | Activated sludge | Relative volume Range (100 – 1000) ml/l Sludge volume index (calculated) |
Volumetric-sedimentation method | PN-EN 14702-1:2008 | |
| 41 | Activated sludge | Dry matter Range (1,0 – 10) g/l |
Gravimetric method | PB-08 edition 07 of 31.05.2019, cl. 10.1,10.2 | |
| 42 | Sewage sludge | Dry matter Range (3,00 – 350) g/kg |
Gravimetric method | PB-08 edition 07 of 31.05.2019, cl. 10.3 | |
| 43 | Activated sludge, Sewage sludge, Wasteo), code 19 08 05 | Sampling for chemical and physical testing | PN- ISO 5667-13:2011 | ||
| 44 | Process water | Sampling for chemical and physical testing | PB-41 edition 04 of 31.05.2019 | ||
| 45 | Water | Sampling for chemical and physical testing Temperature of the water sample taken Range (0,5 – 50) oC |
PB-40 edition 04 of 31.05.2019 | PN-77/C-04584 | ||
Reference standards (46)
PB-03 edition 09 of 25.05.2023
PB-04 edition 06 of 31.05.2019
PB-07 edition 07 of 25.05.2023
PB-08 edition 07 of 31.05.2019, cl. 10.1,10.2
PB-08 edition 07 of 31.05.2019, cl. 10.4
PB-08 edition 07 of 31.05.2019, cl. 10.3
PB-11 edition 10 of 03.11.2025
PB-21 edition 05 of 31.05.2019
PB-22 edition 06 of 31.05.2019
PB-30 edition 05 of 31.05.2019
PB-40 edition 04 of 31.05.2019
PB-41 edition 04 of 31.05.2019
PB-46 edition 01 of 18.09.2025
PN- ISO 5667-13:2011
PN-77/C-04584
PN-78/C-04541
PN-82/C-04576.08
PN-EN 12880:2004
PN-EN 14702-1:2008
PN-EN 1484:1999
PN-EN 15934:2013- 02
PN-EN 15935:2022- 01
PN-EN 1899-1:2002
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 10390:2022-09
PN-EN ISO 10523:2012
PN-EN ISO 5815-1:2019
PN-EN ISO 6878:2006 cl. 4 +Ap1:2010+Ap2:2010
PN-EN ISO 6878:2006 cl. 7 +Ap1:2010+Ap2:2010
PN-EN ISO 9562:2007
PN-EN ISO 9963-1:2001+Ap1:2004
PN-ISO 15705:2005
PN-ISO 5664:2002
PN-ISO 5667-10:2021-11
PN-ISO 6060:2006
PN-ISO 7150-1:2002
PN-ISO 9280:2002
PN-ISO 9297:1994
based on the Hach Lange cuvette test LCK 138, LCK 238, LCK 338
based on the Hach Lange cuvette test LCK 153
based on the Hach Lange cuvette test LCK 311
based on the Hach Lange cuvette test LCK 385, LCK 386