id,agency_id,docket_id,title,document_type,subtype,posted_date,posted_year,posted_month,comment_start_date,comment_end_date,last_modified,fr_doc_num,open_for_comment,withdrawn,object_id
EPA-R09-OAR-2010-0683-0079,EPA,EPA-R09-OAR-2010-0683,FR Notice of Extension of Public Comment Period and Postponement of Hearings,Notice,Federal Register Document,2010-12-08T05:00:00Z,2010,12,2010-12-08T05:00:00Z,2011-03-19T03:59:59Z,2012-07-03T20:44:57Z,2010-30841,0,0,0900006480bb1f4c
EPA-R09-OAR-2010-0683-0078,EPA,EPA-R09-OAR-2010-0683,Signed Letter from APS to EPA  11-24-10,Supporting & Related Material,,2010-11-29T05:00:00Z,2010,11,,,2012-07-03T20:44:57Z,,0,0,0900006480ba7fd3
EPA-R09-OAR-2010-0683-0077,EPA,EPA-R09-OAR-2010-0683,Letter from EPA to NNEPA 11-23-10,Supporting & Related Material,,2010-11-29T05:00:00Z,2010,11,,,2012-07-03T20:44:57Z,,0,0,0900006480ba7fd2
EPA-R09-OAR-2010-0683-0076,EPA,EPA-R09-OAR-2010-0683,Letter from NNEPA to EPA 11-19-10,Supporting & Related Material,,2010-11-29T05:00:00Z,2010,11,,,2012-07-03T20:44:57Z,,0,0,0900006480ba7fd5
EPA-R09-OAR-2010-0683-0074,EPA,EPA-R09-OAR-2010-0683,Record of Communication: APS and EPA 11-9-10,Supporting & Related Material,,2010-11-19T05:00:00Z,2010,11,,,2012-07-03T20:44:56Z,,0,0,0900006480b9cd0e
EPA-R09-OAR-2010-0683-0070,EPA,EPA-R09-OAR-2010-0683,"Notice of Hearings for Source Specific Federal Implementation Plan: Four Corners Power Plant, Navajo Nation",Notice,Federal Register Document,2010-11-12T05:00:00Z,2010,11,2010-11-12T05:00:00Z,,2012-07-03T20:44:56Z,2010-28498,0,0,0900006480b873ff
EPA-R09-OAR-2010-0683-0066,EPA,EPA-R09-OAR-2010-0683,"Public Notice for 3 Hearings Published in Navajo Times, Farmington Daily Times, Durango Herald",Notice,,2010-11-08T05:00:00Z,2010,11,2010-11-08T05:00:00Z,,2012-07-03T20:44:56Z,,0,0,0900006480b84f5f
EPA-R09-OAR-2010-0683-0065,EPA,EPA-R09-OAR-2010-0683,Source Specific Federal Implementation Plans: Navajo Nation; Best Available Retrofit Technology for Four Corners Power Plant,Proposed Rule,Federal Register Document,2010-10-19T04:00:00Z,2010,10,2010-10-19T04:00:00Z,2010-12-21T04:59:59Z,2012-07-03T20:44:56Z,2010-26262,0,0,0900006480b726c1
EPA-R09-OAR-2010-0683-0064,EPA,EPA-R09-OAR-2010-0683,"EPA Letter to President Joe Shirley Jr., Navajo Nation 10-6-10",Supporting & Related Material,,2010-10-07T04:00:00Z,2010,10,,,2012-07-03T20:44:56Z,,0,0,0900006480b6a500
EPA-R09-OAR-2010-0683-0036,EPA,EPA-R09-OAR-2010-0683,TSD ref. [45] FCPP PM Cost effectiveness baghouse,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:54Z,,0,0,0900006480b4929d
EPA-R09-OAR-2010-0683-0041,EPA,EPA-R09-OAR-2010-0683,"TSD ref. [53, 103] BART Visibility Modeling Protocol for the Arizona Public Service Four Corners Power Plant",Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:54Z,,0,0,0900006480b492a2
EPA-R09-OAR-2010-0683-0051,EPA,EPA-R09-OAR-2010-0683,TSD ref. [80] Knipping Letter,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:55Z,,0,0,0900006480b492ad
EPA-R09-OAR-2010-0683-0052,EPA,EPA-R09-OAR-2010-0683,TSD ref. [81] Draft_NOx-PM_Report4,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:55Z,,0,0,0900006480b492ae
EPA-R09-OAR-2010-0683-0030,EPA,EPA-R09-OAR-2010-0683,TSD ref. [36] 10-27-09 Uhl Letter,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:54Z,,0,0,0900006480b49297
EPA-R09-OAR-2010-0683-0005,EPA,EPA-R09-OAR-2010-0683,TSD Appendix B: Economic Analysis (EPA) of Proposed BART Determination on FCPP_Final Report,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:55Z,,0,0,0900006480b50275
EPA-R09-OAR-2010-0683-0019,EPA,EPA-R09-OAR-2010-0683,TSD ref. [9] Dale PfaffBPI-1_SNCRSCR hybrid,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:55Z,,0,0,0900006480b492bd
EPA-R09-OAR-2010-0683-0002,EPA,EPA-R09-OAR-2010-0683,FCPP Proposal - Technical Support Document 10-6-10,Other,,2010-10-06T04:00:00Z,2010,10,2010-10-06T04:00:00Z,,2012-07-03T20:44:56Z,,0,0,0900006480b6956b
EPA-R09-OAR-2010-0683-0055,EPA,EPA-R09-OAR-2010-0683,TSD ref. [94] Monitoring Long-term Trends in Sulfate and Ammonium in US Precipitation Results from the National Atmospheric Deposition Program National Trends Network,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:55Z,,0,0,0900006480b492be
EPA-R09-OAR-2010-0683-0013,EPA,EPA-R09-OAR-2010-0683,APS submission to EPA 12-2008 plus Attachments,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:55Z,,0,0,0900006480b50277
EPA-R09-OAR-2010-0683-0011,EPA,EPA-R09-OAR-2010-0683,APS submission to EPA 1-2008,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:55Z,,0,0,0900006480b5027c
EPA-R09-OAR-2010-0683-0059,EPA,EPA-R09-OAR-2010-0683,TSD ref. [104] Andover Report,Supporting & Related Material,"Adjudication, Brief, Decision, Decree, Motion, Order",2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:54Z,,0,0,0900006480b49189
EPA-R09-OAR-2010-0683-0031,EPA,EPA-R09-OAR-2010-0683,TSD ref. [37] 2010-03-01 NN ANPR Comments Final,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:54Z,,0,0,0900006480b49298
EPA-R09-OAR-2010-0683-0033,EPA,EPA-R09-OAR-2010-0683,TSD ref. [40] Four Corners SCR Cost Analysis (EPA) 8-26-10,Supporting & Related Material,"Adjudication, Brief, Decision, Decree, Motion, Order",2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:54Z,,0,0,0900006480b4929a
EPA-R09-OAR-2010-0683-0044,EPA,EPA-R09-OAR-2010-0683,TSD ref. [62] Estimating Total Sulfuric Acid Emissions from Stationary Power Plants,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:55Z,,0,0,0900006480b492a5
EPA-R09-OAR-2010-0683-0046,EPA,EPA-R09-OAR-2010-0683,TSD ref. [67] 2005 SoCo Sulfuric Acid Estimation Method_JEC-KEH_Oct05_FINAL,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:55Z,,0,0,0900006480b492a7
EPA-R09-OAR-2010-0683-0026,EPA,EPA-R09-OAR-2010-0683,TSD ref. [6-8] Multipollutant controls,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:55Z,,0,0,0900006480b492a8
EPA-R09-OAR-2010-0683-0025,EPA,EPA-R09-OAR-2010-0683,TSD ref. [18] GE MAX 9,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:54Z,,0,0,0900006480b49292
EPA-R09-OAR-2010-0683-0035,EPA,EPA-R09-OAR-2010-0683,"TSD ref. [44, 68] Email from Anthony Favale, Hitachi Power Systems",Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:54Z,,0,0,0900006480b4929c
EPA-R09-OAR-2010-0683-0039,EPA,EPA-R09-OAR-2010-0683,TSD ref. [48] Feb 18 2010 letter from APS re Mercury,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:54Z,,0,0,0900006480b492a0
EPA-R09-OAR-2010-0683-0042,EPA,EPA-R09-OAR-2010-0683,TSD ref. [54] WRAP_RMC_BART_Protocol_Aug15_2006,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:54Z,,0,0,0900006480b492a3
EPA-R09-OAR-2010-0683-0049,EPA,EPA-R09-OAR-2010-0683,TSD ref. [73] Interagency Workgroup On Air Quality Modeling (IWAQM) Phase 2 Summary Report And Recommendations For Modeling Long Range Transport Impacts,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:55Z,,0,0,0900006480b492ab
EPA-R09-OAR-2010-0683-0004,EPA,EPA-R09-OAR-2010-0683,TSD Appendix A: Transportation Risks,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:55Z,,0,0,0900006480b4e624
EPA-R09-OAR-2010-0683-0040,EPA,EPA-R09-OAR-2010-0683,TSD ref. [49] Economic Analysis of Proposed EPA BART Determination on FCPP- r0_09-18-10 RATES,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:55Z,,0,0,0900006480b64b72
EPA-R09-OAR-2010-0683-0009,EPA,EPA-R09-OAR-2010-0683,ANPRM Docket Index,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:56Z,,0,0,0900006480b69567
EPA-R09-OAR-2010-0683-0048,EPA,EPA-R09-OAR-2010-0683,TSD ref. [70] 2010 epri report,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:55Z,,0,0,0900006480b492aa
EPA-R09-OAR-2010-0683-0060,EPA,EPA-R09-OAR-2010-0683,TSD ref [105] 10-28-09 Attachment J APS comment letter to EPA,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:55Z,,0,0,0900006480b4e569
EPA-R09-OAR-2010-0683-0016,EPA,EPA-R09-OAR-2010-0683,APS submission to EPA 4-22-10 plus Attachments,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:55Z,,0,0,0900006480b5027a
EPA-R09-OAR-2010-0683-0061,EPA,EPA-R09-OAR-2010-0683,TSD ref [106] FCPP visibility 98th Percentile graphs,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:55Z,,0,0,0900006480b64b75
EPA-R09-OAR-2010-0683-0015,EPA,EPA-R09-OAR-2010-0683,APS submission to EPA 3-2009 plus Attachments,Supporting & Related Material,"Adjudication, Brief, Decision, Decree, Motion, Order",2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:55Z,,0,0,0900006480b50279
EPA-R09-OAR-2010-0683-0062,EPA,EPA-R09-OAR-2010-0683,TSD ref [107] Least squares regression comparison graphs,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:56Z,,0,0,0900006480b64b76
EPA-R09-OAR-2010-0683-0023,EPA,EPA-R09-OAR-2010-0683,TSD ref. [14] SNCR EPA Fact Sheet,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:54Z,,0,0,0900006480b4918d
EPA-R09-OAR-2010-0683-0024,EPA,EPA-R09-OAR-2010-0683,TSD ref. [15-16] NOx control Lani AWMA,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:54Z,,0,0,0900006480b4918e
EPA-R09-OAR-2010-0683-0058,EPA,EPA-R09-OAR-2010-0683,TSD ref. [102] 2008-01 APS 4 Corners Bart Analysis Section2 Engineering Analysis,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:54Z,,0,0,0900006480b49188
EPA-R09-OAR-2010-0683-0028,EPA,EPA-R09-OAR-2010-0683,TSD ref. [34] Ch 1 Intro Ch 2 Concept,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:54Z,,0,0,0900006480b49295
EPA-R09-OAR-2010-0683-0063,EPA,EPA-R09-OAR-2010-0683,FCPP Proposal Press Release 10-6-10,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:56Z,,0,0,0900006480b696b4
EPA-R09-OAR-2010-0683-0003,EPA,EPA-R09-OAR-2010-0683,FCPP Proposal - Docket Index 10-6-10,Other,,2010-10-06T04:00:00Z,2010,10,2010-10-06T04:00:00Z,,2012-07-03T20:44:56Z,,0,0,0900006480b6956a
EPA-R09-OAR-2010-0683-0020,EPA,EPA-R09-OAR-2010-0683,TSD ref. [10] HERT,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:54Z,,0,0,0900006480b49187
EPA-R09-OAR-2010-0683-0027,EPA,EPA-R09-OAR-2010-0683,"TSD ref. [22-23, 25-26, 27-28] APS Cost Estimates 1/08",Supporting & Related Material,"Adjudication, Brief, Decision, Decree, Motion, Order",2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:54Z,,0,0,0900006480b49293
EPA-R09-OAR-2010-0683-0032,EPA,EPA-R09-OAR-2010-0683,TSD ref. [38] 11-20-09 Snyder-NPS,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:54Z,,0,0,0900006480b49299
EPA-R09-OAR-2010-0683-0034,EPA,EPA-R09-OAR-2010-0683,TSD ref. [42] NOx Compliance Study Rev D,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:54Z,,0,0,0900006480b4929b
EPA-R09-OAR-2010-0683-0043,EPA,EPA-R09-OAR-2010-0683,TSD ref. [59] Guidance for Estimating Natural Visibility Conditions Under the Regional Haze Rule,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:54Z,,0,0,0900006480b492a4
EPA-R09-OAR-2010-0683-0050,EPA,EPA-R09-OAR-2010-0683,TSD ref. [78] Ogawa_Ammonia_4Corners_Sather_JEM08,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:55Z,,0,0,0900006480b492ac
EPA-R09-OAR-2010-0683-0008,EPA,EPA-R09-OAR-2010-0683,CALPUFF modeling files,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:55Z,,0,0,0900006480b64b74
EPA-R09-OAR-2010-0683-0014,EPA,EPA-R09-OAR-2010-0683,APS submission to EPA 8-7-09 plus Attachments,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:55Z,,0,0,0900006480b50278
EPA-R09-OAR-2010-0683-0006,EPA,EPA-R09-OAR-2010-0683,TSD Appendix C: Impact of ammonia on fly ash,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:55Z,,0,0,0900006480b4e625
EPA-R09-OAR-2010-0683-0018,EPA,EPA-R09-OAR-2010-0683,TSD ref. [4] EPA Policy on Environmental Programs on Indian Reservations,Supporting & Related Material,"Adjudication, Brief, Decision, Decree, Motion, Order",2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:54Z,,0,0,0900006480b486b1
EPA-R09-OAR-2010-0683-0021,EPA,EPA-R09-OAR-2010-0683,TSD ref. [12] Praxair Mega 2003,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:54Z,,0,0,0900006480b4918b
EPA-R09-OAR-2010-0683-0022,EPA,EPA-R09-OAR-2010-0683,TSD ref. [13] NOx Control by Combustion Modification,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:54Z,,0,0,0900006480b4918c
EPA-R09-OAR-2010-0683-0029,EPA,EPA-R09-OAR-2010-0683,"TSD ref. [35, 85] 10-28-09 Grumbles Letter",Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:54Z,,0,0,0900006480b49296
EPA-R09-OAR-2010-0683-0037,EPA,EPA-R09-OAR-2010-0683,TSD ref. [46] Martin EPA-R09-OAR-2009-0598-0071-1,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:54Z,,0,0,0900006480b4929e
EPA-R09-OAR-2010-0683-0057,EPA,EPA-R09-OAR-2010-0683,TSD ref. [101] FCPP Permits,Supporting & Related Material,"Adjudication, Brief, Decision, Decree, Motion, Order",2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:54Z,,0,0,0900006480b486af
EPA-R09-OAR-2010-0683-0012,EPA,EPA-R09-OAR-2010-0683,APS Submission to EPA 10-28-09,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:55Z,,0,0,0900006480b5027e
EPA-R09-OAR-2010-0683-0007,EPA,EPA-R09-OAR-2010-0683,TSD ref. LIST of Citations,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:56Z,,0,0,0900006480b64b93
EPA-R09-OAR-2010-0683-0053,EPA,EPA-R09-OAR-2010-0683,TSD ref [82] Acid Mist Emission Report - NGS,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:56Z,,0,0,0900006480b67265
EPA-R09-OAR-2010-0683-0056,EPA,EPA-R09-OAR-2010-0683,TSD ref. [99] Determination of Four Corners Coal Ranking - author,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:55Z,,0,0,0900006480b492bf
EPA-R09-OAR-2010-0683-0045,EPA,EPA-R09-OAR-2010-0683,TSD ref. [65] Hardman et al 1998 revised,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:55Z,,0,0,0900006480b492a6
EPA-R09-OAR-2010-0683-0054,EPA,EPA-R09-OAR-2010-0683,"TSD ref. [86, 91-92] IWAQM Phase 2 document",Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:55Z,,0,0,0900006480b492af
EPA-R09-OAR-2010-0683-0017,EPA,EPA-R09-OAR-2010-0683,"TSD ref. [2-3, 95] FCPP_BART_Scenarios_Emissions_EPA_proposal",Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:54Z,,0,0,0900006480b49294
EPA-R09-OAR-2010-0683-0038,EPA,EPA-R09-OAR-2010-0683,TSD ref. [47] Diane Enos - Salt River Pima Maricopa comments,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:54Z,,0,0,0900006480b4929f
EPA-R09-OAR-2010-0683-0010,EPA,EPA-R09-OAR-2010-0683,ANPRM Comment Index,Supporting & Related Material,,2010-10-06T04:00:00Z,2010,10,,,2012-07-03T20:44:56Z,,0,0,0900006480b69568
EPA-R09-OAR-2010-0683-0001,EPA,EPA-R09-OAR-2010-0683,FCPP Proposal - Signed Notice 10-6-10,Notice,,2010-10-06T00:00:00Z,2010,10,,,2012-07-03T20:44:53Z,,0,1,0900006480b69569
EPA-R09-OAR-2010-0683-0047,EPA,EPA-R09-OAR-2010-0683,TSD ref. [69] 10-28-09 Fox-APS Comment,Supporting & Related Material,,2010-10-06T00:00:00Z,2010,10,,,2012-07-03T20:44:53Z,,0,1,0900006480b492a9