1. (a) Sewage sludge other than domestic septage.

   1. (1) When required by this subchapter, the frequency of monitoring for the metals in Table 6 and Table 7 of §312.63(a) and (b) of this title (relating to Metal Limits), the pathogen density requirements in §312.82(a) of this title (relating to Pathogen Reduction) and in §312.82(b) of this title (relating to Vector Attraction Reduction), and the vector attraction reduction requirements in §312.83(b)(1)-(8) of this title, for sewage sludge placed on an active sludge unit shall be the frequency in Table 8.
2. (b) If the vector attraction reduction requirements in §312.83(b)(12) of this title are met when domestic septage is placed on an active sewage sludge unit, each individual container of domestic septage shall be monitored for compliance with those requirements.
3. (c) Air in structures within a surface disposal site and at the property line of the surface disposal site shall be monitored continuously for methane gas during the period the surface disposal site contains an active sludge unit on which the sewage sludge is covered and for three years after a sludge unit closes if a final cover is placed on the sewage sludge.

Source Note:The provisions of this §312.66 adopted to be effective October 13, 1995, 20 TexReg 7840.