Pesticide Labels & Signal Words Exam (DANGER, WARNING, CAUTION)
Master mandatory EPA label interpretations, Signal Word toxicity levels, EPA Registration numbers, Precautionary statements, and Mandatory vs Advisory label language.
Official Question Bank (14 Questions in this Domain)
#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?
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' a...
#2. What does the Signal Word 'WARNING' indicate on an EPA-registered pesticide label under 40 CFR § 156.64?
'WARNING' corresponds to Toxicity Category II (Moderately Toxic). Acute oral LD50 ranges from 50 to 500 mg/kg, dermal LD50 ranges from 200 to 2,000 mg/kg, or the product produces c...
#3. A specimen label states: 'Restricted Entry Interval (REI) is 24 hours.' Under the EPA Worker Protection Standard (40 CFR Part 170), what is prohibited during this 24-hour window?
Under 40 CFR § 170.407 and § 170.603, an agricultural employer must ensure that no agricultural worker enters or remains in any treated area before the restricted-entry interval sp...
#4. An EPA Registration Number printed on a pesticide container reads 'EPA Reg. No. 1234-567-8910'. What does the third set of digits ('8910') represent?
A standard EPA Reg. No. has two sections: Company Number (1234) and Product Number (567). When a third set of digits appears (8910), it identifies a supplemental distributor (sub-r...
#5. Which phrase on an EPA pesticide label indicates a legally binding MANDATORY requirement rather than advisory guidance?
Mandatory statements use imperative words such as 'must', 'shall', 'do not', or 'apply only'. Advisory statements use permissive words like 'should', 'may', or 'recommends'....
#6. Where on the pesticide container label would you find required protective eyewear, respirator specifications, and wash protocols?
Under 40 CFR § 156.70, specific routes of exposure hazards, required PPE, and handler precautions must appear under 'Precautionary Statements: Hazards to Humans and Domestic Animal...
#7. What does the 'EPA Est. No. 072344-MO-001' on a pesticide container indicate?
Under 40 CFR § 167, the EPA Establishment Number identifies the specific physical facility where the pesticide product was produced, formulated, or packaged....
#8. Which type of pesticide application is governed by the 'Agricultural Use Requirements' box on a pesticide label?
The 'Agricultural Use Requirements' box contains instructions and REI restrictions that apply strictly to commercial production of agricultural plants on farms, forests, nurseries,...
#9. What acute oral toxicity rating does the Signal Word 'CAUTION' represent under 40 CFR § 156.64?
'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)....
#10. If a pesticide label states: 'Do not use or store near heat or open flame. Flash point 105°F', under which section is this information located?
Under 40 CFR § 156.78, warning statements regarding flammability, combustibility, or explosive chemical reactivity must be listed under 'Physical or Chemical Hazards'....
#11. What does the 'Net Contents' statement on a pesticide label legally disclose?
40 CFR § 156.10(d) requires labels to state the net weight or measure of content (gallons, quarts, pounds, or ounces) of formulation present in the container....
#12. Which statement is TRUE regarding 'Other' or 'Inert' ingredients listed on an EPA pesticide label?
'Inert' does not mean non-hazardous. Inert ingredients (solvents, emulsifiers, carriers) can be toxic, flammable, or irritants, but are not the primary active pesticidal agent....
#13. What is an EPA 'Supplemental Label' and what is the legal obligation of the applicator regarding it?
Supplemental labeling carries the full weight of federal law. If using a newly registered crop or site authorized by supplemental labeling, the applicator must possess a copy at th...
#14. According to FIFRA Section 2(ee), an applicator may legally apply a pesticide at an application dosage less than specified on the label UNLESS:
FIFRA Section 2(ee) allows applying at a lower rate unless the product label explicitly states 'Do not apply at rates lower than specified on this label'....