As per 2013 VGP regulations, vessels with ≥15 crew capacity providing overnight accommodation must collect and analyze graywater discharge samples twice per year.
| S No. | Test Parameters | Method |
|---|---|---|
| 1 | pH | APHA 4500 H+B |
| 2 | Total Residual Chlorine | APHA 4500-Cl G |
| 3 | BOD | SM 5210 B |
| 4 | Total Suspended Solids | SM 2540 D |
| 5 | Escherichia coli | APHA 9222 G |
Sample Volume: 1.5 Liters required per sampling point.
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