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Toxic Metal in Fertilizers


OTA Guide to Toxic Found Metal in Common Fertilizers
Metal
Cancer Causing?
Developmental Effects
Other Toxicity
Aluminum
Unknown
High level cause birth defects
High levels cause bone disease, Alzheimer’s, asthma
Arsenic
Yes
Suspected endocrine disruptor
60 ppm=fatal low levels = nausea, decreased blood cells, blood vessel damage
Barium
Unknown
Unknown
Damage to brain, lover, heart, kidney & spleen, difficulty breathing
Beryllium
Suspected
Unknown
DHigh levels = lung damage Low levels= allergies, inflammation
Cadmium
Suspected
Unknown
High levels= stomach irritations; Low levels = Kidney disease, lung damage, bones fragility
Chromium
Yes
Unknown
Hexavalent Chromium – nose, lung, kidney, stomach damage & skin ulcers
Copper
Unknown
Unknown
Suspected respiratory, reproductive and developmental toxicant
Lead
Suspected
Developmental & neurological toxicity, cognitive delays, growth retardant
Kidney, nervous and immune system damage
Manganese
Unknown
Unknown
Suspected respiratory, reproductive, gastrointestinal and neurotoxicant
Mercury
Suspected
High levels – mental retardation, brain, nervous & digestive system damage
High levels = brain, kidney and fetus damage; Low levels = lung damage, nausea, increased blood pressure
Nickel
Suspected
Possible
Allergies & Asthma
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