Source: http://www.tceq.texas.gov/permitting/wastewater/pretreatment/approved_programs_modifications.html
Timestamp: 2015-10-13 13:41:55
Document Index: 439508349

Matched Legal Cases: ['§403', '§403', '§403', '§403', '§403', '§403', '§403', '§403', '§403', '§403', '§403', '§403', '§403', '§403', '§403', '§403']

Modifications to an approved pretreatment program may be initiated by the publicly owned treatment works (POTW) or required by the Texas Commission on Environmental Quality (TCEQ) through the Texas Pollutant Discharge Elimination System (TPDES) permit. A modification is required when there is a significant change in the operation of the approved pretreatment program or to reflect changing conditions at the POTW.
There are two types of pretreatment modifications defined in 40 CFR §403.18:
Slug control requirements must be included in SIU control mechanisms [§403.8(f)(1)(iii)(B)(6)].
SIUs must be evaluated for the need for a plan or other action to control slug discharges within a year from the final rule’s effective date or from becoming an SIU [§403.8(f)(2)(vi)].
SIUs are required to notify the POTW immediately of any changes at its facility affecting the potential for a slug discharge [§403.8(f)(2)(vi)]
Significant noncompliance (SNC) definition is expanded to include additional types of pretreatment standards and requirements [§403.8(f)(2)(viii)(A)-(C)]
SIU reports must include best management practices (BMPs) compliance information [§403.12(b), (e), (h)].
SIU control mechanisms must contain any BMPs required by a pretreatment standard, local limits, state, or local law [§403.8(f)(1)(iii)(B)(3)].
Documentation of compliance with BMP requirements must be maintained as part of the SIU’s and POTW’s record-keeping requirements [§403.12(o)].
Control Authorities which perform sampling for SIUs must perform any required repeat sampling and analysis within 30 days of becoming aware of a violation [§403.12(g)(2)].
Require periodic compliance reports to comply with sampling requirements, require Control Authority to specify the number of grab samples necessary in periodic and noncategorical SIU reports, and require noncategorical SIUs to report all monitoring results [§403.12(g)(3), (4), (6)].
Noncategorical SIUs are required to provide representative samples in their periodic monitoring reports [§403.12(g)(3)].
Require notifications of changed discharge to go to the Control Authority and the POTW, where the POTW is not the Control Authority [§403.12(j)].
How and when the POTW can designate a “duly authorized employee” to sign POTW reports [§403.12(m)].
Please click on the link for the U.S. Environmental Protection Agency's website regarding the Pretreatment Streamlining Rule Fact Sheets 1, 2, 4, 5, 6, 7 and 8.
The TCEQ will determine if the modifications submitted to incorporate the Pretreatment Streamlining Rule are nonsubstantial, according to 40 CFR §403.18(b)(1), and if any revisions are required.
All of the changes related to the Pretreatment Streamlining Rule may be treated as non substantial, if the changes to a POTW's legal authority to incorporate the changes directly reflect the federal requirements. 40 CFR §403.18(b)(1).
The EPA further excludes from the definition of 'substantial modification' those changes in POTW legal authority that result in less prescriptive programs, but which directly reflect a revision to the federal pretreatment regulations. 40 CFR §403.18(b)(1).
Such modifications would have already undergone public notice and comment when promulgated by EPA. As long as the POTW's local ordinance is revised to directly reflect the federal requirements, further public notice would be unnecessary. Federal Register Volume 62 July 17, 1997 Pages 38406, 38409.