| Doc. No: KKM/GWI/114 | WORK INSTRUCTION FOR LAB TESTING SAMPLES RETENTION PERIOD |
| Rev. No.: 0 | |
| Rev. Date: 24-02-2016 |
LAB TESTING SAMPLES RETENTION PERIOD
| SR. NO. | TEST | RETENTION PERIOD | |
| 1. | MICRO STRUCTURE | ONE YEAR | |
| 2. | STEP DOWN | ONE YEAR | |
| 3. | INCLUSION SAMPLES | ONE YEAR | |
| 4. | GRAIL SIZE | ONE YEAR | |
| 5. | UP SETTING | ONE YEAR | |
| 6. | INTERNAL SOUNDNESS | ONE YEAR | |
| 7. | GRAIN FLOW | ONE YEAR | |
| 8. | JOMINY | ONE YEAR | |