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PA Bulletin, Doc. No. 23-1635



Availability of Technical Guidance

[53 Pa.B. 7338]
[Saturday, November 25, 2023]

 The Department of Environmental Protection (Department) announces the availability of the technical guidance documents (TGD) listed in this notice. TGDs are available on the Department's web site at www.depgreenport. The ''Technical Guidance Final Documents'' heading is the link to a menu of the various Department bureaus where each bureau's final TGDs are posted. The ''Technical Guidance Draft Documents'' heading is the link to the Department's draft TGDs.

Ordering Paper Copies of Department Technical Guidance

 The Department encourages the use of the Internet to view and download TGDs. When this option is not available, persons can order a paper copy of any of the Department's draft or final TGDs by contacting the Department at (717) 783-8727.

 In addition, bound copies of some of the Department's documents are available as Department publications. Check with the appropriate bureau for more information about the availability of a particular document as a publication.

Changes to TGDs

 Following is the current list of recent changes. Persons who have questions or comments about a particular document should contact the person whose name and phone number are listed with each document.

Draft TGD: Substantive Revision

DEP ID: 391-3120-001. Title: Guidance for Filter Plant Performance Evaluations. Description: This TGD contains guidance and procedures developed to direct and support Department staff's implementation of the requirements of the Department's Surface Water Treatment Rule through the Department's Safe Drinking Water Program. The revisions to this draft TGD are intended to update the existing TGD of the same title and ID number, which was finalized at 48 Pa.B. 3811 (June 23, 2018). Changes in this revised draft TGD compared with the existing final TGD include minor and major revisions to accurately reflect the current Filter Plant Performance Evaluation (FPPE) process and to maintain consistency with current safe drinking water regulations that affect surface water and groundwater under the direct influence of surface water treatment plants. This revised draft TGD includes guidance pertaining to regulatory requirements that went into effect since the existing TGD was finalized, including guidance related to continuous individual filter effluent and combined filter effluent monitoring and recording, automated alarms and shutdowns, Giardia log inactivation calculations and reporting and the filter bed evaluation program. Additionally, the revised draft TGD includes new guidance related to FPPEs conducted at plants using ultraviolet and ozone treatment. Previous FPPE guidance related to the use of the microscopic particulate analysis and particle counters was removed from this revised draft TGD as these evaluation tools are no longer used during onsite FPPEs. An FPPE timeline was added to give Department FPPE staff a realistic perspective of the amount of time needed for completing each FPPE task. The FPPE optimization goals table was also expanded to include additional water quality parameters, treatment process and treatment types.

Written Comments: Interested persons may submit written comments on this draft TGD through Friday, December 29, 2023. Comments, including comments submitted by e-mail, must include the commentator's name and address. Commentators are urged to submit comments using the Department's online eComment tool at Written comments should be submitted by e-mail to or by mail to the Technical Guidance Coordinator, Department of Environmental Protection, Policy Office, Rachel Carson State Office Building, P.O. Box 2063, Harrisburg, PA 17105-2063. Comments submitted by facsimile will not be accepted.

Contact: Questions regarding this TGD can be directed to Kevin Anderson at (717) 783-9764 or keanderson@

Effective Date: Upon publication of notice as final in the Pennsylvania Bulletin.

Interim Acting Secretary

[Pa.B. Doc. No. 23-1635. Filed for public inspection November 22, 2023, 9:00 a.m.]

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