What must be included in storage areas for Cat I and Cat II pesticides?

Including warning signs in both English and Spanish in storage areas for Category I and Category II pesticides is essential for effective communication and safety. These pesticides are considered to have a higher toxicity level and present greater risks to human health and the environment; therefore, it's crucial that anyone who may access these storage areas can understand the safety information.

By providing warnings in both languages, it ensures that a broader range of individuals, including Spanish-speaking workers or emergency responders, are informed of the potential hazards associated with these pesticides. This practice aligns with regulatory requirements that aim to prevent accidental exposure and promote safe handling practices.

The other options do not fulfill the requirement of clear and accessible communication regarding the hazards of these pesticides, which is necessary to ensure safety in the workplace.