· Antimony: Poisonous
· Arsenic: Poisonous
· Barium: Gastrointestinal, neurological, and cardiovascular toxin
· Beryllium: *Carcinogenic, Acute Beryllium disease
· Cadmium: *Carcinogenic, organ toxin
· Chromium: Organ toxin, carcinogenic
· Dioxins: *Carcinogenic
· Lead: Central and peripheral nervous system toxin
· Mercury: Central nervous system and endocrine system toxin
· Nickel: *Carcinogenic, respiratory toxin
· Polychlorinated Biphenyls (PCBs): Blood, skin, and organ toxin
· Arsenic: Poisonous
· Barium: Gastrointestinal, neurological, and cardiovascular toxin
· Beryllium: *Carcinogenic, Acute Beryllium disease
· Cadmium: *Carcinogenic, organ toxin
· Chromium: Organ toxin, carcinogenic
· Dioxins: *Carcinogenic
· Lead: Central and peripheral nervous system toxin
· Mercury: Central nervous system and endocrine system toxin
· Nickel: *Carcinogenic, respiratory toxin
· Polychlorinated Biphenyls (PCBs): Blood, skin, and organ toxin
· Polyvinyl chloride (PVC): Organ toxin, endocrine disruptor
* carcinogenic is a type of cancer