1. (a) The concentration is measured and found not to exceed any pesticide product labeling standard; or

2. (b) One of the following has occurred if there is no labeling standard:

   1. (1) Ten air exchanges are complete;
   2. (2) Two hours of mechanical ventilation, such as with fans;
   3. (3) Four hours of passive ventilation, such as opening vents, windows, or doors;
   4. (4) Twenty-four hours with no ventilation; or
   5. (5) Any combination of percentage portions of (1), (2), (3), and (4) the sum of which equals 100 percent.

When a pesticide with product labeling requiring respiratory protection for application is applied by any method, or when any pesticide is applied as a fumigant, smoke, mist, fine spray, fog, or aerosol inside an enclosed space, ventilation shall continue until:

Note: Authority cited: Section 12981, Food and Agricultural Code. Reference: Sections 12980 and 12981, Food and Agricultural Code.

History

1. New section filed 12-31-96; operative 1-1-97 pursuant to Government Code section 11343.4(d) (Register 97, No. 1).

2. Amendment of section heading, first paragraph and subsection (b)(5) filed 10-17-2016; operative 1-2-2017 pursuant to Government Code section 11343.4(b)(2) (Register 2016, No. 43).

3. Amendment of first paragraph filed 12-20-2017; operative 3-1-2018 pursuant to Government Code section 11343.4(b)(3) (Register 2017, No. 51).