Pesticide Labeling EASY 40 CFR § 156.64(a)(1)

A pesticide container displays the Signal Word 'DANGER' accompanied by a skull and crossbones symbol and the word 'POISON' printed in red. According to 40 CFR § 156.64, what acute toxicity category does this indicate?

SPECIMEN LABEL EXCERPT • VORTEX 900 SL Insecticide DANGER-POISON

EPA Reg. No: 100-1492 • Active Ingredient: Methomyl 90.0%

Multiple Choice Options

A Toxicity Category I: Highly toxic through acute oral, dermal, or inhalation exposure. ✓ OFFICIAL VERIFIED CORRECT ANSWER
B Toxicity Category I: Severe skin or eye irritation potential only, without acute systemic toxicity.
C Toxicity Category II: Moderately toxic with an oral LD50 between 50 and 500 mg/kg.
D Toxicity Category III: Slightly toxic with an oral LD50 between 500 and 5000 mg/kg.
✓ LEGAL EXPLANATION & STATUTORY RATIONALE
40 CFR § 156.64(a)(1)
Official Manual Chapter: Chapter 3: Pesticide Labeling

Under 40 CFR § 156.64, pesticides classified in Toxicity Category I based on acute oral, dermal, or inhalation toxicity (oral LD50 <= 50 mg/kg) must bear the signal word 'DANGER' alongside the skull and crossbones symbol and the word 'POISON'. If Toxicity Category I is assigned solely due to corrosive ocular or dermal effects, only 'DANGER' is used without the skull and crossbones.

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