1. Cadmium (Cd) - (Class 1)
2. Lead (Pb) – (Class 1)
3. Arsenic (As) -(Class 1)
4. Mercury (Hg) - (Class 1)
5. Cobalt (Co) - (Class 2A)
6. Vanadium (V) - (Class 2A)
7. Nickel (Ni) - (Class 2A)
8. Thallium (Tl) - (Class 2B)
9. Gold (Au) - (Class 2B)
10. Palladium (Pd) -(Class 2B)
11. Iridium (Ir) - (Class 2B)
12. Osmium (Os) - (Class 2B)
13. Rhodium (Rh) - (Class 2B)
14. Ruthenium (Ru) - (Class 2B)
15. Selenium (Se) - (Class 2B)
16. Silver (Ag) - (Class 2B)
17. Platinum (Pt) - (Class 2B)
18. Lithium (Li) - (Class 3)
19. Antimony (Sb) - (Class 3)
20. Barium (Ba) - (Class 3)
21. Molybdenum (Mo) -(Class 3)
22. Copper (Cu) - (Class 3)
23. Tin (Sn) - (Class 3)
24. Chromium (Cr) - (Class 3)
Read also: PDE Value Calculation
Post a Comment