| No |
Laboratories |
Accreditation body |
| 1 |
Testing Laboratory, Water Quality Control Department, Metropolitant Waterworks Authority |
Thai Industrial Standards Institute |
| 2 |
Testing Laboratory Water Quality Control Section 2, Production and Water Quality Control Division, Provincial Waterworks Authority Regional Office 6 |
Thai Industrial Standards Institute |
| 3 |
Testing Laboratory Water Quality Control Section 3, Production and Water Quality Control Division, Provincial Waterworks Authority Regional Office 9 |
Thai Industrial Standards Institute |
| 4 |
Water Quality Control Section 1,Production and Water Quality Control Division, Provincial Waterworks Authority Regional Office 7 |
Thai Industrial Standards Institute |
| 5 |
Water Quality Control Section 2, Production and Water Quality Control Division, Provincial Waterworks Authority Regional Office 4 |
Thai Industrial Standards Institute |
| 6 |
|
Thai Industrial Standards Institute |
| 7 |
Water Quality Control Section 2,Production and Water Quality Control Division, Provincial Waterworks Authority Regional Office 10 |
Thai Industrial Standards Institute |
| 8 |
Water Quality Control Section 2,Production and Water Quality Control Division, Provincial Waterworks Authority Regional Office 2 |
Thai Industrial Standards Institute |
