Final answer:
When combining pesticides, the most restrictive guidance (option a) on the product labels should be followed for personal protective equipment (PPE). The goal is to ensure maximum safety by adhering to the highest level of protection required by one of the pesticides. This applies to mixing, application, and clean-up activities involving the products.
Step-by-step explanation:
When combining pesticides, it is essential to use personal protective equipment (PPE) to safeguard against potential exposure to harmful chemicals. According to safety regulations, you should always follow the label instructions for each pesticide involved. When mixing two or more pesticides, the most appropriate level of PPE to use is typically the most restrictive guidance among the products' labels. This means that if one pesticide label requires gloves, a respirator, and goggles while another only requires gloves, you should use the gloves, respirator, and goggles during the handling and mixing process.
This approach ensures maximum protection because the most restrictive label takes into account the higher level of potential risk posed by one of the products. It is important to note that PPE should not only be worn during the actual mixing of the pesticides but also when applying the products and during any clean-up operations that follow. Always read and follow the specific instructions on the pesticide labels, which are carefully formulated to protect users and others from the potential hazards associated with these chemicals.