All Solutions according to EPA Methods are Certified Reference Materials, produced and calibrated under CPAchem's quality system that is:
- ISO 9001 certified.
- accredited according to ISO/IEC 17025 - Testing
- accredited according to ISO 17034 - Reference Material Producer
| 1x | Turbidity Standard 2000 NTU (Formazin) | EUR 106.00 |
| 1x | PCB 18 CAS:37680-65-2 | EUR 57.24 |
| 2x | Discount for non-paper Certificate of Analysis | EUR -2.00 |