Grid name | pH | V | Cr | Mn | Co | Ni | Cu | Zn | As | Se | Cd | Hg | Pb |
005 | 5.27 | 227 | 199 | 32,229 | 1866 | ND | 95 | 22 | ND | ND | ND | ND | 165 |
509 | 6.07 | 98 | 76 | 257 | ND | ND | 27 | 55 | 17 | ND | ND | ND | 14 |
306 | 6.33 | 370 | 77 | 6580 | ND | 67 | 37 | 68 | 23 | ND | ND | ND | 36 |
004 | 5.98 | 102 | 81 | 682 | ND | 30 | 42 | 104 | 17 | ND | ND | ND | 21 |
511 | 5.18 | 81 | 64 | 383 | ND | ND | 28 | 52 | ND | ND | ND | ND | 26 |
003 | 5.82 | 77 | 72 | 430 | ND | 51 | 29 | 68 | 11 | ND | ND | ND | 18 |
105 | 6.32 | 91 | 108 | 601 | 198 | ND | 39 | 77 | ND | ND | ND | ND | 25 |
412 | 4.72 | 73 | 72 | 459 | 110 | ND | 18 | 38 | 9 | ND | ND | ND | 13 |
304 | 6.26 | 97 | 69 | 528 | ND | ND | 31 | 78 | ND | ND | ND | ND | 31 |
Standard limit (≤) | / | / | 150 | / | / | 40 | 50 | 200 | 40 | / | 0.30 | 0.30 | 250 |