

| Filter paper size(mm) | Tolerance (No.) | |
|---|---|---|
| Tolerance | 0.2 or more, less than 05 | 1.0 or less |
| 0.5 or more, less than 1.0 | 0.4 or less | |
| 1.0 or more | 0 |
Use average for treatment when there are 3 or more samples


Frequency: once/month, standard: 10mg
100 ml or less, Method: Gravimetric method

Frequency: once/month, standard: 10mg
100 ml or less, Method: Gravimetric method

TEST OIL contamination management
| TEST OIL pollution management standards | |
|---|---|
| Management cycle | Once / 3 months |
| Management standards | NAS 7 Grade |
| Measurements | Commissioned to an external measurement agency |
TEST OIL pollution management standards