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TITLE 30ENVIRONMENTAL QUALITY
PART 1TEXAS COMMISSION ON ENVIRONMENTAL QUALITY
CHAPTER 321CONTROL OF CERTAIN ACTIVITIES BY RULE
SUBCHAPTER ESURFACE COAL MINING, PREPARATION, AND RECLAMATION ACTIVITIES
RULE §321.81Monitoring and Reporting of Data

(a) Discharges authorized by rule.

  (1) All discharges from active mining areas authorized by rule shall be monitored for the listed pollutants in the appropriate category at least once per week, and on the first day of and third day after beginning discharge.

  (2) All discharges from reclamation areas authorized by rule shall be monitored for the listed pollutants in the appropriate category at least once per week when discharge occurs.

  (3) Monitoring shall consist of:

    (A) samples and analyses of the discharge for limited constituents; and

    (B) flow measurements.

  (4) Samples from each source discharging into the same drainage area shall be combined into a single-flow, weighted grab sample for analysis and reporting.

  (5) Monitoring results shall be compiled on the Texas Water Commission monthly effluent report. The report for a particular month shall be submitted to the Railroad Commission of Texas so that the report will be received no later than the 25th day of the following month.

  (6) All discharges from active mining areas shall be monitored at least twice per year for all metals referenced in §321.79 of this title (relating to Additional Effluent Limitations).

  (7) All monitoring data shall be recorded and kept available on site for inspection by commission personnel for a minimum period of three years.

(b) Discharges authorized by permit. All such discharges shall comply with the monitoring and reporting requirements specified in the permit.


Source Note: The provisions of this §321.81 adopted to be effective July 3, 1986, 11 TexReg 2894.

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