(a) Any person conducting a weather modification operation with an aircraft operating within an operational or target area that includes any part of a Texas county must report in writing to the department, or on a publicly-accessible website, the following information according to the schedule given:      
        (1) any changes or additions to the list filed with the permit application in accordance with §79.18(3)(B) must be filed by the fifteenth day of the following month;       
        (2) for each month in which operations are conducted, one copy of the record of operations for that month required by §79.31 and, if applicable, one copy of the record of operations for that month required by §79.32 must be filed by the fifteenth day of the following month;       
        (3) one copy of all other reports required by 15 Code of Federal Regulations, §§908.5 - 908.7, must be filed no later than the deadlines set by the federal regulation.       
      (b) Any person conducting a weather modification operation using only ground-based equipment must report on a quarterly basis in writing to the department, or on a publicly-accessible website, the following information:      
        (1) date and time period of each operation;       
        (2) total amount of material used; and       
        (3) observations or data pertaining to the type of weather during and after the operation.       
     Source Note:        The provisions of this §79.33 adopted to be effective December 30, 2001, 26 TexReg 10525; amended to be effective August 14, 2002, 27 TexReg 7104; amended to be effective July 13, 2004, 29 TexReg 6641; amended to be effective February 15, 2019, 44 TexReg 585