| Value | Category | Cases | |
|---|---|---|---|
| 1 | BLANK WATER SAMPLE AVAILABLE | 507 |
99.6%
|
| 2 | BLANK WATER SAMPLE NOT AVAILABLE(Specify) | 2 |
0.4%
|
| 9 | NO RESPONSE | 0 |
0%
|
| Sysmiss | 12291 |