ATCP 29.31(12)(b)7.7. Worker safety, notice, posting, and restricted entry interval requirements. ATCP 29.31(13)(a)(a) Category description. This category includes individuals who use or direct the use of metam sodium or other fumigants to control root growth in sewers. ATCP 29.31(13)(b)(b) Certification requirements. To be certified in this category, an individual shall demonstrate practical knowledge and competency related to all of the following: ATCP 29.31(13)(b)1.1. The use of metam sodium and other fumigants to control root growth in sewers. ATCP 29.31(13)(b)2.2. Factors that may determine the need for, or appropriate use of, a sewer fumigant. ATCP 29.31(13)(b)4.4. Appropriate procedures for mixing, loading, applying, and disposing of sewer fumigants, to prevent or minimize fumigant-related hazards. ATCP 29.31(13)(b)6.6. Worker safety, notice, posting, and restricted entry interval requirements. ATCP 29.31(14)(a)(a) Category description. This category includes individuals who use or direct the use of pesticides to prevent or control termites. ATCP 29.31(14)(b)(b) Certification requirements. To be certified in this category, an individual shall demonstrate practical knowledge and competency related to all of the following: ATCP 29.31(14)(b)2.2. Pesticides that may be used to control termites, and factors that may affect the need for, and appropriate use of, those pesticides. ATCP 29.31(14)(b)4.4. Key factors affecting the nature and severity of health and environmental hazards related to termite control. ATCP 29.31(14)(b)5.5. Appropriate procedures for mixing, loading, applying, and disposing of pesticides, to prevent or minimize pesticide-related hazards. ATCP 29.31(15)(a)(a) Category description. This category includes individuals, other than those identified under sub. (9), who use or direct the use of pesticides for wood treatment to preserve and protect wood or wood-based materials against damage from insects, fungi, surface molds and mildew, marine crustaceans, shipworms, and other pests. ATCP 29.31(15)(b)(b) Certification requirements. To be certified in this category, an individual shall demonstrate practical knowledge and competency related to all of the following: ATCP 29.31(15)(b)3.3. Wood preservatives that may be used to prevent or control damage caused by wood destroying pests. ATCP 29.31(15)(b)4.4. Factors that may affect the need for, and appropriate use of, wood preservatives. ATCP 29.31(15)(b)5.5. Potential health and environmental hazards related to the use of wood preservatives. ATCP 29.31(15)(b)6.6. Appropriate procedures for mixing, loading, applying, and disposing of wood preservatives, to prevent or minimize related hazards.