30 Tex. Admin. Code § 319.6
The permittee shall assure the quality of all measurements through the use of blanks, standards, duplicate analyses, and spikes. At a minimum, the quality assurance requirements specified in Table 3 in §319.9 of this title (relating to Self-Monitoring and Quality Assurance Schedules) shall be utilized.
Source Note:The provisions of this §319.6 adopted to be effective July 27, 1988, 13 TexReg 3514.