Texas Administrative Code
Title 30 - ENVIRONMENTAL QUALITY
Part 1 - TEXAS COMMISSION ON ENVIRONMENTAL QUALITY
Chapter 312 - SLUDGE USE, DISPOSAL, AND TRANSPORTATION
Subchapter C - SURFACE DISPOSAL
Section 312.63 - Metal Limits (Other Than Domestic Septage)

Universal Citation: 30 TX Admin Code § 312.63

Current through Reg. 50, No. 13; March 28, 2025

(a) Except as provided in subsection (b) of this section, the concentration for each metal listed in Table 6 of this subsection in sewage sludge and/or biosolids placed on an active disposal unit that does not have a liner and leachate collection system shall be equal to or less than concentration for the metal in Table 6 of this subsection.

Attached Graphic

(b) The concentration of each metal listed in Table 6 of subsection (a) of this section in sewage sludge and/or biosolids placed on an active disposal unit whose boundary is less than 150 meters from the property line of the surface disposal site shall not exceed the concentration determined using the following procedure.

(1) The shortest actual distance from the active disposal unit boundary to the property line of the surface disposal site shall be determined.

(2) The concentration of each metal listed in Table 7 of this paragraph in the sewage sludge and/or biosolids shall not exceed the concentration in Table 7 of this paragraph that corresponds to the actual distance as described in paragraph (1) of this subsection.

Attached Graphic

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