30 Tex. Admin. Code § 312.1
This chapter establishes standards, which consist of general requirements, pollutant limits, management practices, and operational standards, for the final use or disposal of sewage sludge or biosolids generated during the treatment of domestic sewage in a treatment works, and for the final use or disposal of domestic septage. Standards are included in this chapter for sewage sludge, biosolids, water treatment residuals, and domestic septage land applied for beneficial use or placed on a surface disposal site. Standards are also included in this chapter for sewage sludge or biosolids fired in an incinerator. Also included in this chapter are pathogen and vector attraction reduction requirements for sewage sludge, biosolids, and domestic septage land applied or placed on a surface disposal site. In addition, the standards in this chapter include the frequency of monitoring and recordkeeping requirements when sewage sludge, biosolids, domestic septage, or water treatment residuals are land applied or placed on a surface disposal site. Also included are the frequency of monitoring and recordkeeping requirements when sewage sludge or biosolids are fired in an incinerator. Also included are requirements relating to the transportation of sewage sludge, biosolids, water treatment residuals, domestic septage, chemical toilet waste, grit trap waste, and grease trap waste.
30 Tex. Admin. Code § 312.1