Relative Toxicity

Relative Toxicity

Are all substances toxic? YES!
All are toxic to some quantifiable degree All are toxic to some quantifiable degree

Sugar has an LD₅₀* of 30,000 mg/kg
Ethanol has an LD₅₀ of only 13,700 mg/kg
Even water has a recognized LD₅₀ of slightly greater than 80,000 mg/kg

Toxicities of Forest Pesticides

Toxicities of other Products

Trade Name	Acute oral LD_50* mg/kg	Category⁪

AAtrex 4L	1075	III
Accord	>5000	IV
Arsenal	>5000	IV
Garlon 4	1338	III
Tordon	2598	III
Velpar L	6887	IV

VS.

Trade Name	Acute oral LD₅₀ mg/kg	Category

Gasoline	150	II
Caffine	200	II
Asprin	1240	III
Baking Soda	3500	III
Table Salt	3000	III

*LD₅₀ - lethal dose to kill 50% of test animals

⁪Category	Oral LD₅₀ (mg/kg)	Lethal oral dose
I	< 50	Taste - tsp
I	<50	Taste - tsp
II	50-500	Tsp - oz
III	500-5000	Oz - pt
IV	>5000	>pt