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TITLE 30ENVIRONMENTAL QUALITY
PART 1TEXAS COMMISSION ON ENVIRONMENTAL QUALITY
CHAPTER 321CONTROL OF CERTAIN ACTIVITIES BY RULE
SUBCHAPTER FSHRIMP INDUSTRY
RULE §321.95Requirements

(a) Small packers who have acquired a certificate of registration as set out in §321.93 of this title (relating to Certificate of Registration) at a minimum, shall meet the following requirements:

  (1) Effluent limitations-The shrimp wastewater shall be treated to reduce the TSS concentration in the effluent to 500 mg/l or less measured by grab sample. In addition, the wastewater shall not cause a nuisance. If chlorine is used, the residual chlorine in the effluent shall not exceed 4 mg/l measured by grab sample.

  (2) Monitoring-The shrimp wastewater volume discharged shall be estimated daily during times of discharge. Records of these estimates shall be kept on-site for a period of three years. These discharge flow estimates shall be based on water consumption records or other methods approved by the executive director.

  (3) Reporting-The packer shall report any noncompliance, which may endanger human health or safety, or the environment, to the executive director. Report of such information shall be provided orally to the appropriate Texas Water Commission district office within 48 hours from the time the permittee becomes aware of the noncompliance. A written submission of such information shall also be provided to the appropriate district and Austin office of the Texas Water Commission within five working days of the time the permittee becomes aware of the noncompliance. The written submission shall contain a description of the noncompliance and its cause; the potential danger to human health or safety, or the environment; the period of noncompliance, including exact dates and times; if the noncompliance has not been corrected, the anticipated time it is expected to continue; and, steps taken or planned to reduce, eliminate, and prevent recurrence of the noncompliance, and to mitigate its adverse effects.

  (4) Solids disposal-All shrimp solid wastes shall be placed in covered air-tight containers and sent daily to a solid waste disposal site approved by the appropriate state agency.

(b) Medium packers who have acquired a certificate of registration as set out in §321.93 of this title (relating to Certificate of Registration) at a minimum, shall meet the following requirements:

  (1) Effluent limitations-The shrimp wastewater shall be treated to reduce the TSS concentration in the effluent to 500 mg/l or less, measured by grab sample. In addition, the wastewater shall not cause a nuisance. If chlorine is used, the residual chlorine in the effluent shall not exceed 4 mg/l measured by grab sample.

  (2) Monitoring and reporting:

    (A) The shrimp wastewater volume discharged shall be estimated daily during times of discharge. These discharge flow estimates shall be based on water consumption records or other methods approved by the executive director.

    (B) Grab samples of the treated effluent shall be taken once per calendar week during any calendar week in which any discharge occurs. These samples shall be analyzed for TSS, BOD[sub]5[/sub], and residual chlorine, if chlorine is used at the facility.

    (C) The analytical results of the grab samples and the flow estimates shall be recorded on the appropriate commission monthly effluent report form. The report must be received by the commission in Austin no later than the 20th day of the month after the month in which the grab samples were taken. During a calendar week, i.e. Sunday through Saturday, when no wastewater discharge occurs, no sampling is required. For such weeks, the monthly report shall indicate that no discharge occurred.

    (D) The packer shall report any noncompliance, which may endanger human health or safety, or the environment, to the executive director. Report of such information shall be provided orally to the appropriate Texas Water Commission district office within 48 hours from the time the permittee becomes aware of the noncompliance. A written submission of such information shall also be provided to the appropriate district and Austin office of the Texas Water Commission within five working days of the time the permittee becomes aware of the noncompliance. The written submission shall contain a description of the noncompliance and its cause; the potential danger to human health or safety, or the environment; the period of noncompliance, including exact dates and times; if the noncompliance has not been corrected, the anticipated time it is expected to continue; and, steps taken or planned to reduce, eliminate, and prevent recurrence of the noncompliance, and to mitigate its adverse effects.

  (3) Solids disposal: All shrimp solid wastes shall be placed in covered air-tight containers and sent daily to a solid waste disposal site approved by the appropriate state agency.

(c) Each packer must treat its entire shrimp wastewater stream as required by the executive director's classification. Packers are prohibited from treating a portion of their shrimp wastewater stream to levels mandated by rule and then treating the remaining portion to levels dictated by their permit or dictated by POTW pre-treatment requirements. If a packer obtains a discharge permit, all shrimp wastewater at the specified site must be treated to the levels contained in the permit. If a packer ties into a POTW, all shrimp wastewater at the specified site must discharge to the POTW.


Source Note: The provisions of this §321.95 adopted to be effective September 18, 1987, 12 TexReg 3045.

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