{"database": "openregs", "table": "documents", "is_view": false, "human_description_en": "where docket_id = \"EPA-HQ-OW-1977-0004\" sorted by posted_date descending", "rows": [["EPA-HQ-OW-1977-0004-0026", "EPA", "EPA-HQ-OW-1977-0004", "Letter to Bernadette Berdes, Milwaukee Metropolitan Sewerage District, Madison, WI. from J. David Rankin, USEPA, Region 5., March 7, 1990. 2 pp [LTF-II-1-B-1]", "Supporting & Related Material", "Letter", "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:50:51Z", null, 0, 0, "09000064868478bc"], ["EPA-HQ-OW-1977-0004-0028", "EPA", "EPA-HQ-OW-1977-0004", "Letter to Arvid Sather; Michael, Best & Friedrich from Thomas Crawford, Milwaukee Metropolitan Sewerage District, Milwaukee, WI., March 13, 1990 Re: Administrative Ruling Pursuant to Section 11.05(6), MMSD Rules. 2 pp [LTF-II-1-A-8]", "Supporting & Related Material", "Letter", "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:50:53Z", null, 0, 0, "09000064868478be"], ["EPA-HQ-OW-1977-0004-0038", "EPA", "EPA-HQ-OW-1977-0004", "Letter to Timothy Bate, Milwaukee Metropolitan Sewerage District, Milwaukee, WI. from Donald Gallo, Michael, Best, and Friedrich, October 31, 1992. Re: Notice of Violation; P&V Permit No. 832.01. 3 pp [LTF-II-3-B]", "Supporting & Related Material", "Letter", "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:51:00Z", null, 0, 0, "09000064868478c8"], ["EPA-HQ-OW-1977-0004-0050", "EPA", "EPA-HQ-OW-1977-0004", "Draft of Direct Final Rule for Leather Tanning and Finishing Effluent Limitations Guidelines Pretreatment Standards New and Existing Sources in response to the petition from the leather tanning industry. 14 pp.[LTF-VI-3-A]", "Supporting & Related Material", "Publication", "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:51:09Z", null, 0, 0, "09000064868478d4"], ["EPA-HQ-OW-1977-0004-0059", "EPA", "EPA-HQ-OW-1977-0004", "Letter to Ed Terry, Engineering and Analysis Division, USEPA from John Wittenborn, Collier, Shannon, Rill, and Scott, September 6, 1996, re  Comments on Direct Final and Proposed Rules for Leather Tanning and Finishing Effluent  Limitations Guidelines. 4 pp. [LTF-VI-1-D-2]", "Supporting & Related Material", "Letter", "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:51:15Z", null, 0, 0, "09000064868478dd"], ["EPA-HQ-OW-1977-0004-0060", "EPA", "EPA-HQ-OW-1977-0004", "Letter to Daniel Schedler, Milwaukee Leather Group,  Pfister & Vogel Tanning Company, Milwaukee, WI, from Timothy Bale, Milwaukee Metropolitan Sewerage  District, Milwaukee, WI, October 13, 1992. Re: Notice of Violation of Wastewater Discharge Permit  No. 832.01. 3 pp.[LTF-II-3-A]", "Supporting & Related Material", "Letter", "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:51:16Z", null, 0, 0, "09000064868478de"], ["EPA-HQ-OW-1977-0004-0047", "EPA", "EPA-HQ-OW-1977-0004", "Call to Ralph Jagelavicius, Gloversville/  Johnstown POTW, from Ed Terry, Engineering and Analysis Division, USEPA, August 21, 1995. 1 p.[LTF-IV-4-A]", "Supporting & Related Material", null, "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:51:07Z", null, 0, 0, "09000064868478d1"], ["EPA-HQ-OW-1977-0004-0008", "EPA", "EPA-HQ-OW-1977-0004", "Memorandum to Rhonda Voby, SED from Tom Janisch, WW/2, State of Wisconsin, August 31,1989 re Green Bay Method for Evaluating pH Compliance, Using EPA SNC Criteria and Inquiry to USEPA about Continuous pH  Monitoring. 5 pp.[LTF-II-1-A-1]", "Supporting & Related Material", "Memorandum", "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:50:38Z", null, 0, 0, "09000064868477c4"], ["EPA-HQ-OW-1977-0004-0016", "EPA", "EPA-HQ-OW-1977-0004", "Memorandum to Rhonda Voby, SED from Tom Janisch, WW/2, State of Wisconsin, September 11, 1989 re EPA Expectations for pH Monitoring at Leather Tanners Listed in the Sulfide Waiver Request Approval, Federal Register (Friday November 2, 1984). 3 pp [LTF-II-1-A-2]", "Supporting & Related Material", "Memorandum", "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:50:44Z", null, 0, 0, "09000064868478b2"], ["EPA-HQ-OW-1977-0004-0022", "EPA", "EPA-HQ-OW-1977-0004", "Letter to Richard Williams, Engineering and Analysis Division, USEPA from Timothy Bate, Milwaukee Metropolitan Sewerage District, Milwaukee, WI, March 13, 1991 re Tannery Industry Concerns Regarding pH Compliance and Enforcement. 1 p [LTF-II-2-F]", "Supporting & Related Material", "Letter", "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:50:48Z", null, 0, 0, "09000064868478b8"], ["EPA-HQ-OW-1977-0004-0025", "EPA", "EPA-HQ-OW-1977-0004", "Federal Registry of March 21. 1980 (53 FR 9176 ((FRL 3304-6)[LTF-I-4]", "Supporting & Related Material", "Publication - Previous/Related FR Notice", "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:50:50Z", null, 0, 0, "09000064868478bb"], ["EPA-HQ-OW-1977-0004-0051", "EPA", "EPA-HQ-OW-1977-0004", "Call Mark Allan, South Essex, Massachusetts POTW, from Ed Terry, Engineering and Analysis Division, USEPA, August 23, 1995. 1 p.[LTF-IV-4-C]", "Supporting & Related Material", null, "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:51:10Z", null, 0, 0, "09000064868478d5"], ["EPA-HQ-OW-1977-0004-0009", "EPA", "EPA-HQ-OW-1977-0004", "Correction of final rule; notice of availability and technical amendment, June 30, 1983. 5 pp [LTF-I-2-D-1]", "Supporting & Related Material", "Publication", "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:50:39Z", null, 0, 0, "09000064868477c5"], ["EPA-HQ-OW-1977-0004-0040", "EPA", "EPA-HQ-OW-1977-0004", "POTW Letter to Carol Browner, USEPA, from Ralph Hollmon, Milwaukee Metropolitan Sewerage District, December 4, 1995, Re: Statement in Support of Leather Industries of American Petition for Flexi [LTF-VI-1-C]", "Supporting & Related Material", "Letter", "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:51:01Z", null, 0, 0, "09000064868478ca"], ["EPA-HQ-OW-1977-0004-0044", "EPA", "EPA-HQ-OW-1977-0004", "Federal Registry of Monday, July 8, 1996 (61 FR 35705) (FRL-5530-7) [LTF-VI-3-B]", "Supporting & Related Material", "Publication - Previous/Related FR Notice", "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:51:04Z", null, 0, 0, "09000064868478ce"], ["EPA-HQ-OW-1977-0004-0058", "EPA", "EPA-HQ-OW-1977-0004", "Letter to Carol Browner, USEPA from John Wittenborn and Andrea Bull, Counsel for the Leather Industries  of America with an enclosed Request for Modification  to Categorial Pretreatment Standard for Upper pH\n Limit for Leather Tanning Wastewaters Discharged into Publicly Owned Treatment Works Under 40 C.F.R.  425, March 18, 1993. 22 pp. [LTF-III-1-B]", "Supporting & Related Material", "Letter", "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:51:14Z", null, 0, 0, "09000064868478dc"], ["EPA-HQ-OW-1977-0004-0062", "EPA", "EPA-HQ-OW-1977-0004", "Listing of Plants, June 3, 1995. 4 pp. [LTF-IV-3]", "Supporting & Related Material", "Report", "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:51:17Z", null, 0, 0, "09000064868478e0"], ["EPA-HQ-OW-1977-0004-0020", "EPA", "EPA-HQ-OW-1977-0004", "Memorandum to Wallace White, Milwaukee  Metropolitan Sewerage District, Milwaukee, WI from Dale Bryson, Water Division, USEPA, June 13, 1990, re: Leather Tanning and Finishing Industry - Revocation of Sulfide Waivers. 2 pp [LTF-II-1-B-5]", "Supporting & Related Material", "Letter", "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:50:47Z", null, 0, 0, "09000064868478b6"], ["EPA-HQ-OW-1977-0004-0031", "EPA", "EPA-HQ-OW-1977-0004", "Letter to Carrie Wehling, Office of General Counsel, USEPA, from John Wittenborn, Collier, Shannon, Rill, and Scott. November 10, 1994, re: LIA Upper pH Waiver Petition [LTF-III-2-B]", "Supporting & Related Material", "Letter", "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:50:55Z", null, 0, 0, "09000064868478c1"], ["EPA-HQ-OW-1977-0004-0035", "EPA", "EPA-HQ-OW-1977-0004", "Results of Telephone Survey of POTWs Directly or Indirectly Affected by LIA Petition for Upper pH Waiver for Leather Tanneries, October 8, 1993. 7 pp. [LTF-IV-2]", "Supporting & Related Material", "Technical Support Document", "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:50:58Z", null, 0, 0, "09000064868478c5"], ["EPA-HQ-OW-1977-0004-0039", "EPA", "EPA-HQ-OW-1977-0004", "Letter to Richard Waite, Gebhardt-Vogel Tanning Co. Milwaukee, WI. from Bernadette Berdes, Milwaukee Metropolitan Sewerage District, Milwaukee, WI, January 31, 1992. Re: An Open Letter to the U.S. EPA on the Upper pH Limit for Leather Tanners. 2 pp.[LTF-II-2-H]", "Supporting & Related Material", "Letter", "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:51:00Z", null, 0, 0, "09000064868478c9"], ["EPA-HQ-OW-1977-0004-0043", "EPA", "EPA-HQ-OW-1977-0004", "Call to Randy Case, Pretreatment Coordinator of Wisconsin Department of Natural Resources, from Ed Terry, Engineering and Analysis Division, USEPA, August 28, 1995. 1 p.[LTF-IV-4-F]", "Supporting & Related Material", null, "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:51:03Z", null, 0, 0, "09000064868478cd"], ["EPA-HQ-OW-1977-0004-0054", "EPA", "EPA-HQ-OW-1977-0004", "Federal Register of November 14, 1994 (59FR 58233) [LTF-VI-2-B]", "Supporting & Related Material", "Publication - Previous/Related FR Notice", "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:51:12Z", null, 0, 0, "09000064868478d8"], ["EPA-HQ-OW-1977-0004-0011", "EPA", "EPA-HQ-OW-1977-0004", "Draft Correction to clarify compliance dates, December 14-15, 1989; attachment to Routing slip to Paul Bangser from Richard Williams, Engineering and Analysis Division, USEPA. 9 pp.[LTF-I-5]", "Supporting & Related Material", "Report", "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:50:40Z", null, 0, 0, "09000064868478ad"], ["EPA-HQ-OW-1977-0004-0048", "EPA", "EPA-HQ-OW-1977-0004", "Memorandum to Sheila Frace, Engineering and Analysis  Division, USEPA. from James Pendergast, Permits Division, USEPA, June 10, 1996, Re: Revisions to Leather Tanning and Finishing Effluent Guidelines and Standards: Direct Final Rule. 1 p. [LTF-VI-1-B]", "Supporting & Related Material", "Memorandum", "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:51:08Z", null, 0, 0, "09000064868478d2"], ["EPA-HQ-OW-1977-0004-0061", "EPA", "EPA-HQ-OW-1977-0004", "Letter to Wallace White, Milwaukee Metropolitan  Sewerage District, Milwaukee, WI from Paul Erickson, U.S. Leather Holdings, Inc., January 29, 1991, Re: pH  Control, Compliance and Enforcement. 5 pp. [LTF-II-2-E]", "Supporting & Related Material", "Letter", "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:51:16Z", null, 0, 0, "09000064868478df"], ["EPA-HQ-OW-1977-0004-0063", "EPA", "EPA-HQ-OW-1977-0004", "Pretreatment Plant Operations, October - November 1991; log/working copy from Carl  Morris, November 24, 1991. 33 pp. [LTF-V-2]", "Supporting & Related Material", "Report", "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:51:18Z", null, 0, 0, "09000064868478e1"], ["EPA-HQ-OW-1977-0004-0012", "EPA", "EPA-HQ-OW-1977-0004", "Letter to Stanton Kleinert, Wisconsin Dept. of Natural Resources, Madison, WI from Bernadette Berdes, Milwaukee Metropolitan Sewerage District, Milwaukee, WI, January 10, 1990 re Continuous pH Monitoring. 2 pp.[LTF-II-1-A-5]", "Supporting & Related Material", "Letter", "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:50:41Z", null, 0, 0, "09000064868478ae"], ["EPA-HQ-OW-1977-0004-0014", "EPA", "EPA-HQ-OW-1977-0004", "Letter to Bernadette Berdes, Milwauke  Metropolitan Sewerage District, Milwuakee, WI from Stanton Kleinert, Wisconsin Department of Natural Resources, Madison, WI, January 19, 1990. 1 p.[LTF-II-1-A-6]", "Supporting & Related Material", "Letter", "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:50:42Z", null, 0, 0, "09000064868478b0"], ["EPA-HQ-OW-1977-0004-0018", "EPA", "EPA-HQ-OW-1977-0004", "Letter to Paul Erickson, U.S. Leather Holdings, Inc. from Bernadette Berdes, Milwaukee Metropolitan Sewerage District, Milwaukee, WI, November 5, 1990 re Request for a Meeting Regarding pH Compliance. 3 pp.[LTF-II-2-D]", "Supporting & Related Material", "Letter", "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:50:45Z", null, 0, 0, "09000064868478b4"], ["EPA-HQ-OW-1977-0004-0029", "EPA", "EPA-HQ-OW-1977-0004", "Memorandum to Tim Dwyer from Louis Eby, Permits Division, USEPA, July 28, 1992. Re: Leather Tanning Draft Petition. 2 pp. [LTF-IV-1-A]", "Supporting & Related Material", "Letter", "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:50:54Z", null, 0, 0, "09000064868478bf"], ["EPA-HQ-OW-1977-0004-0037", "EPA", "EPA-HQ-OW-1977-0004", "Memorandum to Don Anderson, Engineering and Analysis Division, USEPA, et al., from Richard Williams, EAD, USEPA, October 5, 1992, Re: Leather Tanners Request for Modification of the pH Limit for Pretreatment Standard. 2 pp. [LTF-IV-1-C]", "Supporting & Related Material", "Memorandum", "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:50:59Z", null, 0, 0, "09000064868478c7"], ["EPA-HQ-OW-1977-0004-0049", "EPA", "EPA-HQ-OW-1977-0004", "Draft memorandum to Tim Dwyer, Permits Division, USEPA from Richard Williams, Engineering and Analysis Division, USEPA, September 25, 1995, Re: Response to OWEC Questions-Leather Tanning Industry DRAFT Petition for Modification of Pretreatment Standards-pH Limitation. 5 pp. [LTF-IV-1-B]", "Supporting & Related Material", "Memorandum", "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:51:09Z", null, 0, 0, "09000064868478d3"], ["EPA-HQ-OW-1977-0004-0013", "EPA", "EPA-HQ-OW-1977-0004", "Letter to Bernadette Berdes, Milwaukee Metropolitan Sewerage District, Milwaukee, WI from Arvid Sather of Michael, Best & Friedrich, November 21, 1989 re Interpretation of pH Discharge Permit Limits. 1 p. [LTF-II-1-A-4]", "Supporting & Related Material", "Letter", "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:50:42Z", null, 0, 0, "09000064868478af"], ["EPA-HQ-OW-1977-0004-0024", "EPA", "EPA-HQ-OW-1977-0004", "Federal Register of March 23, 1977 (42 FR 15696-15704) (FRL 702-6) [LTF-I-1]", "Supporting & Related Material", "Publication - Previous/Related FR Notice", "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:50:50Z", null, 0, 0, "09000064868478ba"], ["EPA-HQ-OW-1977-0004-0030", "EPA", "EPA-HQ-OW-1977-0004", "Memorandum to File from Cathy Allen, Permit Section, USEPA, Region 5., April 23, 1990, re: Review of Milwaukee MSD Administrative Record for Sulfide Waivers Granted Eight Tanneries Under 40 CFR 425.04. pH Requirements. 2 pp [LTF-II-1-B-2]", "Supporting & Related Material", "Memorandum", "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:50:54Z", null, 0, 0, "09000064868478c0"], ["EPA-HQ-OW-1977-0004-0053", "EPA", "EPA-HQ-OW-1977-0004", "Memorandum to Southeast Essex, MA et al., from  Richard Williams, Engineering and Analysis Division, USEPA, March 6, 1992, Re: Leather Tanning Industry-Request for Modification of Upper pH Limit for Indirect Dischargers. 23 pp. [LTF-III-1-A]", "Supporting & Related Material", "Memorandum", "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:51:11Z", null, 0, 0, "09000064868478d7"], ["EPA-HQ-OW-1977-0004-0055", "EPA", "EPA-HQ-OW-1977-0004", "Letter to Richard Williams, Engineering and Analysis Division, USEPA, from Arthur Stern, International Chemical Consultants, November 4, 1993. 8 pp. [LTF-III-2-A]", "Supporting & Related Material", "Letter", "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:51:13Z", null, 0, 0, "09000064868478d9"], ["EPA-HQ-OW-1977-0004-0015", "EPA", "EPA-HQ-OW-1977-0004", "Memorandum to File from Catherine Allen, Permit Section, USEPA, May 15, 1990 re Review of Regulatory Record for Leather Tanning and Finishing Category: PSES - pH, Sulfide, Sulfide Waiver (In Response to Comments from Pfister & Vogel and Gebhardt Co.). 7 pp. [LTF-II-1-B-4]", "Supporting & Related Material", "Memorandum", "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:50:43Z", null, 0, 0, "09000064868478b1"], ["EPA-HQ-OW-1977-0004-0017", "EPA", "EPA-HQ-OW-1977-0004", "Fax to Richard Williams, Engineering and Analysis Division, USEPA from Catherine Allen, Permit Section, USEPA with attachment: Memorandum to File from Catherine Allen, Permit Section, USEPA, May 15, 1990 re Review of Regulatory Record for Leather Tanning and Finishing Category: PSES - pH, Sulfide Waiver (In Response to Comments from Pfister & Vogel and Gebhardt Co.). 7 pp [LTF-II-1-B-6]", "Supporting & Related Material", "Comment Response", "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:50:44Z", null, 0, 0, "09000064868478b3"], ["EPA-HQ-OW-1977-0004-0021", "EPA", "EPA-HQ-OW-1977-0004", "Call to Bernadette Berdes, Milwaukee Metropolita Sewerage District from Ed Terry, Engineering and Analysis Division, USEPA, August 28, 1995. 1 p.[LTF-IV-4-E]", "Supporting & Related Material", null, "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:50:47Z", null, 0, 0, "09000064868478b7"], ["EPA-HQ-OW-1977-0004-0032", "EPA", "EPA-HQ-OW-1977-0004", "Memorandum to File, from Cathy Allen, Permit, Section, USEPA, Region 5., April 23, 1990, Re: Review of Milwaukee MSD Administrative Record for Sulfide Waivers Granted Eight Tanneries  Under 40 CFR 425.04. pH Requirements. 2 pp.[LTF-II-1-B-3]", "Supporting & Related Material", "Memorandum", "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:50:56Z", null, 0, 0, "09000064868478c2"], ["EPA-HQ-OW-1977-0004-0036", "EPA", "EPA-HQ-OW-1977-0004", "Call to Matt Gluckman, EPA Region V Pretreatment  Coordinator, from Ed Terry, Engineering and Analysis Division, USEPA, August 23, 1995. 1 p.[LTF-IV-4-D]", "Supporting & Related Material", null, "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:50:58Z", null, 0, 0, "09000064868478c6"], ["EPA-HQ-OW-1977-0004-0042", "EPA", "EPA-HQ-OW-1977-0004", "Federal Registry of  Monday, August 9, 1993 (58 FR 42477) [LTF-VI-2-A]", "Supporting & Related Material", "Publication - Previous/Related FR Notice", "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:51:03Z", null, 0, 0, "09000064868478cc"], ["EPA-HQ-OW-1977-0004-0046", "EPA", "EPA-HQ-OW-1977-0004", "Letter to Paul Erickson, U.S. Leather Holdings, Inc., from Marty Grate, City of Omaha, Omaha, NE. May 13, 1991. 2 pp. [LTF-II-2-G]", "Supporting & Related Material", "Letter", "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:51:06Z", null, 0, 0, "09000064868478d0"], ["EPA-HQ-OW-1977-0004-0057", "EPA", "EPA-HQ-OW-1977-0004", "Letter to Carol Browner, USEPA from Bud Shuster, Chairman, House Committee on Transportation and  Infrastructure, House of Representatives, August 5, 1996. 1 p.[LTF-VI-2-C]", "Supporting & Related Material", "Letter", "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:51:14Z", null, 0, 0, "09000064868478db"], ["EPA-HQ-OW-1977-0004-0010", "EPA", "EPA-HQ-OW-1977-0004", "Letter to Arvid Sather of Michael, Best & Friedrich from Thomas Crawford, Milwaukee Metropolitan Sewerage District, Milwaukee,  WI., November 21, 1989. 1 p.[LTF-II-1-A-3]", "Supporting & Related Material", "Letter", "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:50:40Z", null, 0, 0, "09000064868478ac"], ["EPA-HQ-OW-1977-0004-0027", "EPA", "EPA-HQ-OW-1977-0004", "Call Andrew Sims, South Essex, Massachusetts POTW, from Ed Terry, Engineering and Analysis Division, USEPA, August 22, 1995. 1 p.[LTF-IV-4-B]", "Supporting & Related Material", null, "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:50:52Z", null, 0, 0, "09000064868478bd"], ["EPA-HQ-OW-1977-0004-0045", "EPA", "EPA-HQ-OW-1977-0004", "Letter to Thomas Crawford and Bernadette Berdes, Milwaukee Metropolitan Sewerage District, Milwaukee, WI. from Arvid A. Sather, Michael Best & Friedrich, July 13, 1990. 2 pp. [LTF-II-2-A]", "Supporting & Related Material", "Letter", "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:51:05Z", null, 0, 0, "09000064868478cf"], ["EPA-HQ-OW-1977-0004-0033", "EPA", "EPA-HQ-OW-1977-0004", "Letter to Arvid Sather, Michael, Best & Friedrich, Madison, WI. from Bernadette Berdes, Milwaukee Metropolitan Sewerage District, Milwaukee, WI. [LTF-II-2-B]", "Supporting & Related Material", "Letter", "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:50:56Z", null, 0, 0, "09000064868478c3"], ["EPA-HQ-OW-1977-0004-0041", "EPA", "EPA-HQ-OW-1977-0004", "Letter to Wallace White, Milwaukee Metropolitan Sewerage District, Milwaukee, WI. from Paul Erickson, U.S. Leather Holdings, November 5, 1990. Re: pH Control, Compliance and Enforcement. 6 pp [LTF-II-2-C]", "Supporting & Related Material", "Letter", "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:51:02Z", null, 0, 0, "09000064868478cb"], ["EPA-HQ-OW-1977-0004-0052", "EPA", "EPA-HQ-OW-1977-0004", "Letter to Robert Perciasepe, Office of Water, USEPA from John Wittenborn, Collier, Shannon, Rill, and Scott. February 6, 1996, Re: Upper pH Waiver for the Leather Tanning and Finishing Point Source Category. 3 pp.[LTF-VI-1-D-1]", "Supporting & Related Material", "Letter", "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:51:11Z", null, 0, 0, "09000064868478d6"], ["EPA-HQ-OW-1977-0004-0007", "EPA", "EPA-HQ-OW-1977-0004", "Technical Amendment, July 8, 1983. 3 pp. [LTF-I-2-D-2]", "Supporting & Related Material", "Publication", "2025-01-24T05:00:00Z", 2025, 1, null, null, "2025-01-24T21:50:38Z", null, 0, 0, "09000064868477c3"], ["EPA-HQ-OW-1977-0004-0019", "EPA", "EPA-HQ-OW-1977-0004", "Notice of Report to U.S. EPA Certifying Interference in POTW Operations and Intent to Revoke Sulfide Waiver, March 6, 1990; to Cudahy Tanning Company, A.F. 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