1. Lead
2. Zinc
3. Copper
4. Arsenic
5. Cadmium
6. Mercury
7. Nickel
8. Chromium
What aquatic plants can remediate above heavy after release as waste
1. Water hyacinth
2. Duckweed
3. Water lettuce
4. Cattails
5. Watercress
6. Hornwort
7. Phragmites (common reed)
8. Water pennywort