{"database": "openregs", "table": "documents", "is_view": false, "human_description_en": "where docket_id = \"EPA-HQ-OW-2018-0558\" sorted by posted_date descending", "rows": [["EPA-HQ-OW-2018-0558-0083", "EPA", "EPA-HQ-OW-2018-0558", "Expedited Approval of Alternative Test Procedures for the Analysis of Contaminants Under the Safe Drinking Water Act; Analysis and Sampling Procedures", "Rule", "Correction", "2018-10-31T04:00:00Z", 2018, 10, "2018-10-31T04:00:00Z", null, "2018-10-31T14:23:38Z", "C1-2018-22162", 0, 0, "090000648387336a"], ["EPA-HQ-OW-2018-0558-0012", "EPA", "EPA-HQ-OW-2018-0558", "APHA 1997c. SM 2510 B-97. Conductivity", "Supporting & Related Material", "Data", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:38:12Z", null, 0, 0, "0900006483587a89"], ["EPA-HQ-OW-2018-0558-0026", "EPA", "EPA-HQ-OW-2018-0558", "APHA 1998. SM 4500-CN C,E,F,G 20th Edition. Cyanide", "Supporting & Related Material", "Publication - Copyrighted Materials", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:37:47Z", null, 0, 0, "0900006483588ec8"], ["EPA-HQ-OW-2018-0558-0069", "EPA", "EPA-HQ-OW-2018-0558", "ASTM D 1067-02 B. Standard Test Methods for Acidity or Alkalinity in Water", "Supporting & Related Material", "Publication - Copyrighted Materials", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:38:26Z", null, 0, 0, "0900006483593238"], ["EPA-HQ-OW-2018-0558-0021", "EPA", "EPA-HQ-OW-2018-0558", "APHA 1997g. SM 3500-Mg B-97. Magnesium", "Supporting & Related Material", "Publication - Copyrighted Materials", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:22:56Z", null, 0, 0, "0900006483588738"], ["EPA-HQ-OW-2018-0558-0044", "EPA", "EPA-HQ-OW-2018-0558", "APHA 2000l. SM 7500-Cs B-00. Radioactive Cesium", "Supporting & Related Material", "Publication - Copyrighted Materials", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:31:20Z", null, 0, 0, "0900006483591edf"], ["EPA-HQ-OW-2018-0558-0047", "EPA", "EPA-HQ-OW-2018-0558", "APHA 2001c. SM 7500-Ra B,C,D,E-01. Radium", "Supporting & Related Material", "Publication - Copyrighted Materials", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:37:01Z", null, 0, 0, "090000648359231c"], ["EPA-HQ-OW-2018-0558-0055", "EPA", "EPA-HQ-OW-2018-0558", "APHA 1998. SM 9215 B 20th Edition. Hetertrophic Plate Count", "Supporting & Related Material", "Publication - Copyrighted Materials", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:25:37Z", null, 0, 0, "090000648359283b"], ["EPA-HQ-OW-2018-0558-0078", "EPA", "EPA-HQ-OW-2018-0558", "Hach Company 2018c Hach Method 8195, Revision 3.0. Determination of Turbidity by Nephelometry", "Supporting & Related Material", "Publication", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:34:20Z", null, 0, 0, "0900006483596d5f"], ["EPA-HQ-OW-2018-0558-0003", "EPA", "EPA-HQ-OW-2018-0558", "USEPA 1980. EPA Method 900.0 - August 1980. Gross Alpha and Gross Beta Radioactivity in Drinking Water", "Supporting & Related Material", "Publication - USEPA", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:37:54Z", null, 0, 0, "0900006483586fd5"], ["EPA-HQ-OW-2018-0558-0048", "EPA", "EPA-HQ-OW-2018-0558", "GA Method Ra-226 Ra-228. Method for Determination of Radium-228 and Radium-226 in Drinking Water by Gamma Ray Spectrometry using HPGE or Ge(Li) Detectors", "Supporting & Related Material", "Report", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:37:50Z", null, 0, 0, "090000648359241a"], ["EPA-HQ-OW-2018-0558-0067", "EPA", "EPA-HQ-OW-2018-0558", "ASTM D 516-02. Standard Test Method for Sulfate in Water", "Supporting & Related Material", "Publication - Copyrighted Materials", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:37:48Z", null, 0, 0, "0900006483592ae9"], ["EPA-HQ-OW-2018-0558-0082", "EPA", "EPA-HQ-OW-2018-0558", "Best 2018 Memo to the Record Micro Standard Methods", "Supporting & Related Material", "Memorandum", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:37:03Z", null, 0, 0, "090000648366c476"], ["EPA-HQ-OW-2018-0558-0016", "EPA", "EPA-HQ-OW-2018-0558", "APHA 1999b. SM 3112 B-99. Metals by Cold-Vapor Atomic Absorption Spectrometry", "Supporting & Related Material", "Publication - Copyrighted Materials", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:35:48Z", null, 0, 0, "0900006483587a90"], ["EPA-HQ-OW-2018-0558-0054", "EPA", "EPA-HQ-OW-2018-0558", "APHA 1998. SM 9223 B 20th Edition. Enzyme Substrate Coliform Test", "Supporting & Related Material", "Publication - Copyrighted Materials", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:24:27Z", null, 0, 0, "0900006483592838"], ["EPA-HQ-OW-2018-0558-0002", "EPA", "EPA-HQ-OW-2018-0558", "USEPA 2018. EPA Method 900.0 Rev 1.0 - Gross Alpha and Gross Beta Radioactivity in Drinking Water", "Supporting & Related Material", "Publication - USEPA", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:37:53Z", null, 0, 0, "0900006483586fd4"], ["EPA-HQ-OW-2018-0558-0001", "EPA", "EPA-HQ-OW-2018-0558", "Expedited Approval of Alternative Test Procedures for the Analysis of Contaminants under the Safe Drinking Water Act; Analysis and Sampling Procedures", "Rule", "Final Rule", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-10-12T15:28:36Z", "2018-22162", 0, 0, "09000064837c6db9"], ["EPA-HQ-OW-2018-0558-0014", "EPA", "EPA-HQ-OW-2018-0558", "APHA 2000a. SM 2550-00. Temperature", "Supporting & Related Material", "Publication - Copyrighted Materials", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:35:45Z", null, 0, 0, "0900006483587a8c"], ["EPA-HQ-OW-2018-0558-0038", "EPA", "EPA-HQ-OW-2018-0558", "APHA 1994. SM 6251 B-94. Disinfection By-Products: Haloacetic Acids and Trichlorophenol", "Supporting & Related Material", "Publication - Copyrighted Materials", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:22:57Z", null, 0, 0, "0900006483591bd7"], ["EPA-HQ-OW-2018-0558-0071", "EPA", "EPA-HQ-OW-2018-0558", "ASTM D 5673-03. Standard Test Method for Elements in Water by Inductively Coupled Plasma-Mass Spectrometry", "Supporting & Related Material", "Publication - Copyrighted Materials", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:38:28Z", null, 0, 0, "090000648359323d"], ["EPA-HQ-OW-2018-0558-0045", "EPA", "EPA-HQ-OW-2018-0558", "APHA 2000m. SM 7500-3H B-00. Tritium", "Supporting & Related Material", "Publication - Copyrighted Materials", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:31:21Z", null, 0, 0, "0900006483591f38"], ["EPA-HQ-OW-2018-0558-0059", "EPA", "EPA-HQ-OW-2018-0558", "APHA 2012. SM 4500-CN C 22nd Edition. Cyanide", "Supporting & Related Material", "Publication - Copyrighted Materials", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:37:50Z", null, 0, 0, "0900006483592e7d"], ["EPA-HQ-OW-2018-0558-0006", "EPA", "EPA-HQ-OW-2018-0558", "Smith and Wendelken 2018. Memorandum to Docket Regarding Approval of 23rd Edition Standard Methods", "Supporting & Related Material", "Memorandum", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:36:22Z", null, 0, 0, "09000064835874ba"], ["EPA-HQ-OW-2018-0558-0050", "EPA", "EPA-HQ-OW-2018-0558", "APHA 2000o. SM 7500-U B,C-00. Uranium", "Supporting & Related Material", "Publication - Copyrighted Materials", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:37:01Z", null, 0, 0, "09000064835920d8"], ["EPA-HQ-OW-2018-0558-0030", "EPA", "EPA-HQ-OW-2018-0558", "APHA 2000g. SM 4500-NO2- B-00. Nitrogen (Nitrite)", "Supporting & Related Material", "Publication - Copyrighted Materials", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:36:21Z", null, 0, 0, "09000064835891b5"], ["EPA-HQ-OW-2018-0558-0063", "EPA", "EPA-HQ-OW-2018-0558", "ASTM D 859-16. Standard Test Method for Silica in Water", "Supporting & Related Material", "Publication - Copyrighted Materials", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:27:25Z", null, 0, 0, "0900006483592fe8"], ["EPA-HQ-OW-2018-0558-0080", "EPA", "EPA-HQ-OW-2018-0558", "Hach Company 1997 Hach Method 8195, Revision 1.0. Determination of Turbidity by Nephelometry (December 1997)", "Supporting & Related Material", "Publication", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:34:23Z", null, 0, 0, "0900006483596e41"], ["EPA-HQ-OW-2018-0558-0073", "EPA", "EPA-HQ-OW-2018-0558", "Hach Company 2016 Hach Method 10258, Revision 1.0. Determination of Turbidity by 360-degree Nephelometry (January 2016)", "Supporting & Related Material", "Publication", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:28:42Z", null, 0, 0, "0900006483596a87"], ["EPA-HQ-OW-2018-0558-0072", "EPA", "EPA-HQ-OW-2018-0558", "Hach Company 2018a. Hach Method 10258, Revision 2.0. Determination of Turbidity by 360-degree Nephelometry (March 2018)", "Supporting & Related Material", "Publication", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:28:59Z", null, 0, 0, "0900006483596949"], ["EPA-HQ-OW-2018-0558-0041", "EPA", "EPA-HQ-OW-2018-0558", "APHA 1998. SM 6651 B 20th Edition. Glyphosate Herbicide", "Supporting & Related Material", "Publication - Copyrighted Materials", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:37:02Z", null, 0, 0, "0900006483591ed9"], ["EPA-HQ-OW-2018-0558-0070", "EPA", "EPA-HQ-OW-2018-0558", "ASTM D 1179-99 B. Standard Test Methods for Fluoride in Water", "Supporting & Related Material", "Publication - Copyrighted Materials", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:38:27Z", null, 0, 0, "090000648359323b"], ["EPA-HQ-OW-2018-0558-0011", "EPA", "EPA-HQ-OW-2018-0558", "APHA 1997b. SM 2320 B-97. Alkalinity", "Supporting & Related Material", "Publication - Copyrighted Materials", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:37:10Z", null, 0, 0, "0900006483587a88"], ["EPA-HQ-OW-2018-0558-0060", "EPA", "EPA-HQ-OW-2018-0558", "APHA 1999d. SM 4500-CN- C-99 (online version). Cyanide", "Supporting & Related Material", "Publication - Copyrighted Materials", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:27:22Z", null, 0, 0, "0900006483592efd"], ["EPA-HQ-OW-2018-0558-0074", "EPA", "EPA-HQ-OW-2018-0558", "USEPA 2016. 81 FR 46839 July 2016 Expedited Methods Approval FRN", "Supporting & Related Material", "Publication - Previous/Related FR Notice", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:28:44Z", null, 0, 0, "0900006483596a8b"], ["EPA-HQ-OW-2018-0558-0031", "EPA", "EPA-HQ-OW-2018-0558", "APHA 1997j. SM 4500-O3 B-97. Ozone (Residual)", "Supporting & Related Material", "Publication - Copyrighted Materials", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:35:10Z", null, 0, 0, "0900006483591b0e"], ["EPA-HQ-OW-2018-0558-0022", "EPA", "EPA-HQ-OW-2018-0558", "APHA 2000b. SM 4110 B-00. Determination of Anions by Ion Chromatography", "Supporting & Related Material", "Publication - Copyrighted Materials", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:37:42Z", null, 0, 0, "09000064835888ce"], ["EPA-HQ-OW-2018-0558-0039", "EPA", "EPA-HQ-OW-2018-0558", "USEPA 2001 EPA Method 531.2, Rev 1.0. Measurement of N-methylcarbamoyloximes and N-methylcarbamates in Water by Direct Aqueous Injection HPLC with Postcolumn Derivatization", "Supporting & Related Material", "Publication - USEPA", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:37:00Z", null, 0, 0, "0900006483591bda"], ["EPA-HQ-OW-2018-0558-0066", "EPA", "EPA-HQ-OW-2018-0558", "ASTM D 5673-16. Standard Test Method for Elements in Water by Inductively Coupled Plasma-Mass Spectrometry", "Supporting & Related Material", "Publication - Copyrighted Materials", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:37:05Z", null, 0, 0, "0900006483592ae8"], ["EPA-HQ-OW-2018-0558-0049", "EPA", "EPA-HQ-OW-2018-0558", "APHA 2001d. SM 7500-Sr B-01. Total Radioactive Strontium and Strontium-90", "Supporting & Related Material", "Publication - Copyrighted Materials", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:26:47Z", null, 0, 0, "0900006483592420"], ["EPA-HQ-OW-2018-0558-0029", "EPA", "EPA-HQ-OW-2018-0558", "APHA 2000f. SM 4500-NO3- D,E,F-00. Nitrogen (Nitrate)", "Supporting & Related Material", "Publication - Copyrighted Materials", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:37:51Z", null, 0, 0, "0900006483588ecd"], ["EPA-HQ-OW-2018-0558-0042", "EPA", "EPA-HQ-OW-2018-0558", "APHA 2000k. SM 7110 B,C-00. Gross Alpha and Gross Beta Radioactivity (Total, Suspended, and Dissolved)", "Supporting & Related Material", "Publication - Copyrighted Materials", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:37:04Z", null, 0, 0, "0900006483591edc"], ["EPA-HQ-OW-2018-0558-0009", "EPA", "EPA-HQ-OW-2018-0558", "APHA 2001b. SM 2130 B-01. Turbidity", "Supporting & Related Material", "Publication - Copyrighted Materials", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:38:32Z", null, 0, 0, "0900006483587792"], ["EPA-HQ-OW-2018-0558-0062", "EPA", "EPA-HQ-OW-2018-0558", "ASTM D 516-16. Standard Test Method for Sulfate in Water", "Supporting & Related Material", "Publication - Copyrighted Materials", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:27:24Z", null, 0, 0, "0900006483592fe7"], ["EPA-HQ-OW-2018-0558-0075", "EPA", "EPA-HQ-OW-2018-0558", "Hach Company 2000_Hach FilterTrak Method 10133, Revision 2.0. Determination of Turbidity by Laser Nephelometry (January 2000)", "Supporting & Related Material", "Publication", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:28:45Z", null, 0, 0, "0900006483596a8c"], ["EPA-HQ-OW-2018-0558-0081", "EPA", "EPA-HQ-OW-2018-0558", "USEPA 1993 EPA Method 180.1, Revision 2.0. Determination of Turbidity by Nephelometry", "Supporting & Related Material", "Publication - USEPA", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:37:59Z", null, 0, 0, "0900006483596f1e"], ["EPA-HQ-OW-2018-0558-0032", "EPA", "EPA-HQ-OW-2018-0558", "APHA 1995. SM 4500-P E,F 19th Edition. Phosphorus", "Supporting & Related Material", "Publication - Copyrighted Materials", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:35:12Z", null, 0, 0, "0900006483591b13"], ["EPA-HQ-OW-2018-0558-0076", "EPA", "EPA-HQ-OW-2018-0558", "Hach Company 2018b. Validation Study Report for use of Sealed Vials Containing StablCal Primary Calibration Standard in Hach Methods10258 and 8195", "Supporting & Related Material", "Report", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:30:01Z", null, 0, 0, "0900006483596a8f"], ["EPA-HQ-OW-2018-0558-0051", "EPA", "EPA-HQ-OW-2018-0558", "APHA 1998. SM 9221 A,B,C,D,E,F_20th Edition. Multiple-Tube Fermentation Technique for Members of the Coliform Group", "Supporting & Related Material", "Publication - Copyrighted Materials", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:33:12Z", null, 0, 0, "09000064835920d9"], ["EPA-HQ-OW-2018-0558-0056", "EPA", "EPA-HQ-OW-2018-0558", "APHA 1998. SM 9230 C 20th Edition. Fecal Streptococcus and Enterococcus Groups", "Supporting & Related Material", "Publication - Copyrighted Materials", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:37:49Z", null, 0, 0, "090000648359283c"], ["EPA-HQ-OW-2018-0558-0061", "EPA", "EPA-HQ-OW-2018-0558", "Smith 2018b - Memo to the Record-ASTM Methods", "Supporting & Related Material", "Memorandum", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:38:11Z", null, 0, 0, "0900006483592f75"], ["EPA-HQ-OW-2018-0558-0065", "EPA", "EPA-HQ-OW-2018-0558", "ASTM D 1179-16 B. Standard Test Methods for Fluoride in Water", "Supporting & Related Material", "Publication - Copyrighted Materials", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:31:54Z", null, 0, 0, "0900006483592aae"], ["EPA-HQ-OW-2018-0558-0077", "EPA", "EPA-HQ-OW-2018-0558", "Adams and Smith 2018 - Memo to the Record Hach Methods", "Supporting & Related Material", "Memorandum", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:34:19Z", null, 0, 0, "0900006483596d5a"], ["EPA-HQ-OW-2018-0558-0025", "EPA", "EPA-HQ-OW-2018-0558", "APHA 2000d. SM 4500-ClO2 C,E-00. Chlorine Dioxide", "Supporting & Related Material", "Publication - Copyrighted Materials", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:37:46Z", null, 0, 0, "0900006483588ec5"], ["EPA-HQ-OW-2018-0558-0052", "EPA", "EPA-HQ-OW-2018-0558", "APHA 1998. SM 9222 A,B,C,D,G_20th Edition. Membrane Filter Technique for Members of the Coliform Group", "Supporting & Related Material", "Publication - Copyrighted Materials", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:38:00Z", null, 0, 0, "090000648359268d"], ["EPA-HQ-OW-2018-0558-0017", "EPA", "EPA-HQ-OW-2018-0558", "APHA 1995. SM 3113 B 19th Edition. Metals by Electrothermal Atomic Absorption Spectrometry", "Supporting & Related Material", "Publication - Copyrighted Materials", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:37:03Z", null, 0, 0, "0900006483588215"], ["EPA-HQ-OW-2018-0558-0040", "EPA", "EPA-HQ-OW-2018-0558", "USEPA 2000_EPA Method 515.4, Rev 1.0. Determination of Chlorinated Acids in Drinking Water by Liquid-Liquid Microextraction, Derivatization and Fast Gas Chromatography with Electron Capture Detection", "Supporting & Related Material", "Technical Support Document", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:37:05Z", null, 0, 0, "0900006483591bdf"], ["EPA-HQ-OW-2018-0558-0018", "EPA", "EPA-HQ-OW-2018-0558", "APHA 1997e. SM 3114 B-97. Arsenic and Selenium by Hydride Generation/Atomic Emission Spectrometry", "Supporting & Related Material", "Publication - Copyrighted Materials", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:36:20Z", null, 0, 0, "0900006483588218"], ["EPA-HQ-OW-2018-0558-0046", "EPA", "EPA-HQ-OW-2018-0558", "APHA 2000n. SM 7500-I B,C,D-00. Radioactive Iodine", "Supporting & Related Material", "Publication - Copyrighted Materials", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:38:12Z", null, 0, 0, "0900006483591f3c"], ["EPA-HQ-OW-2018-0558-0019", "EPA", "EPA-HQ-OW-2018-0558", "APHA 1999c. SM 3120 B-99. Metals by Plasma Emission Spectroscopy", "Supporting & Related Material", "Publication - Copyrighted Materials", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:34:21Z", null, 0, 0, "0900006483588736"], ["EPA-HQ-OW-2018-0558-0024", "EPA", "EPA-HQ-OW-2018-0558", "APHA 1997h. SM 4500-Cl- B,D-97. Chloride", "Supporting & Related Material", "Publication - Copyrighted Materials", "2018-10-12T04:00:00Z", 2018, 10, null, null, "2018-12-07T08:37:45Z", null, 0, 0, "0900006483588ec4"], ["EPA-HQ-OW-2018-0558-0043", "EPA", "EPA-HQ-OW-2018-0558", "APHA 1997l. SM 7120B-97. 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