What is the legal authority governing: "What acute oral toxicity rating does the Signal Word 'CAUTIO..."?

This standard is governed by 40 CFR § 156.64(a)(3) under the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) and 40 CFR Part 171.

What is the passing score for the EPA Pesticide Applicator exam?

The minimum passing score for the National Core Pesticide Applicator Certification exam is 70% (40 CFR § 171.103).

Pesticide Labeling EASY 40 CFR § 156.64(a)(3)

A Extremely fatal (Category I).

B Toxicity Category III (Slightly toxic, oral LD50 500 to 5,000 mg/kg) or Category IV. ✓ OFFICIAL VERIFIED CORRECT ANSWER

C Non-chemical biological water vapor only.

D Highly corrosive acid vapor.

40 CFR § 156.64(a)(3)

Official Manual Chapter: Chapter 3: Labeling

'CAUTION' indicates Toxicity Category III (oral LD50 between 500 and 5,000 mg/kg) or Category IV (relatively non-toxic, oral LD50 > 5,000 mg/kg).

Official EPA Core Study Domain Pesticide Labeling