{
 "window": "incidents dated 2024-01-01 onward (IYEAR 2024-2026) in PHMSA files of 14 Oct 2026; NRC logs CY2024-CY2026",
 "reports_in_window": {
  "hazardous liquid": 779,
  "gas distribution": 178,
  "gas transmission and gathering": 342
 },
 "required_but_not_made": [
  {
   "system": "hazardous liquid",
   "report": "20240276",
   "operator": "JAYHAWK PIPELINE LLC",
   "local": "11/1/2024 11:30"
  },
  {
   "system": "hazardous liquid",
   "report": "20240192",
   "operator": "BUCKEYE PARTNERS, LP",
   "local": "7/19/2024 17:49"
  },
  {
   "system": "gas distribution",
   "report": "20250032",
   "operator": "PIEDMONT NATURAL GAS CO INC",
   "local": "4/10/2025 11:05"
  },
  {
   "system": "gas distribution",
   "report": "20240024",
   "operator": "SUMMIT UTILITIES INC.",
   "local": "4/3/2024 16:05"
  }
 ],
 "no_number_or_no_discovery_time": 2,
 "not_counted": {
  "state differs": 6,
  "NRC incident date more than 2 days from both the incident and its discovery": 10,
  "number not in NRC call logs": 16,
  "ambiguous: the counted call says it is related to NRC report 1456729, made 5 hours earlier, possibly by another company": 1,
  "ambiguous: an earlier call (NRC 1404683) reports diesel on the ground at the next address on the same road, about two hours before the counted call": 1,
  "confirmed discovery more than a day before the incident time": 2,
  "ambiguous: an earlier call from the same compressor station (NRC 1397734), about 48 minutes after discovery, is not on the form": 1
 },
 "not_counted_rows": [
  {
   "system": "hazardous liquid",
   "report": "20260228",
   "operator": "MOEM PIPELINE LLC",
   "nrc": "1475202",
   "why": "state differs"
  },
  {
   "system": "hazardous liquid",
   "report": "20260233",
   "operator": "TORRENT OIL LLC",
   "nrc": "1471291",
   "why": "NRC incident date more than 2 days from both the incident and its discovery"
  },
  {
   "system": "hazardous liquid",
   "report": "20260179",
   "operator": "ENERGY TRANSFER COMPANY",
   "nrc": "1467209",
   "why": "NRC incident date more than 2 days from both the incident and its discovery"
  },
  {
   "system": "hazardous liquid",
   "report": "20260137",
   "nrc": "1462377",
   "why": "number not in NRC call logs"
  },
  {
   "system": "hazardous liquid",
   "report": "20260128",
   "operator": "PLAINS PIPELINE MIDCON LLC",
   "nrc": "1460921",
   "why": "state differs"
  },
  {
   "system": "hazardous liquid",
   "report": "20260093",
   "operator": "TTLENRGES PTROCHM & REF USA, INC",
   "nrc": "1456768",
   "why": "ambiguous: the counted call says it is related to NRC report 1456729, made 5 hours earlier, possibly by another company"
  },
  {
   "system": "hazardous liquid",
   "report": "20250257",
   "nrc": "144972",
   "why": "number not in NRC call logs"
  },
  {
   "system": "hazardous liquid",
   "report": "20250252",
   "operator": "ENTERPRISE PRODUCTS OPERATING LLC",
   "nrc": "1446079",
   "why": "NRC incident date more than 2 days from both the incident and its discovery"
  },
  {
   "system": "hazardous liquid",
   "report": "20250184",
   "nrc": "1437915",
   "why": "number not in NRC call logs"
  },
  {
   "system": "hazardous liquid",
   "report": "20250193",
   "operator": "PLAINS PIPELINE MIDCON LLC",
   "nrc": "1439539",
   "why": "NRC incident date more than 2 days from both the incident and its discovery"
  },
  {
   "system": "hazardous liquid",
   "report": "20250128",
   "nrc": "1429443",
   "why": "number not in NRC call logs"
  },
  {
   "system": "hazardous liquid",
   "report": "20250078",
   "nrc": "1425167",
   "why": "number not in NRC call logs"
  },
  {
   "system": "hazardous liquid",
   "report": "20250080",
   "nrc": "1425167",
   "why": "number not in NRC call logs"
  },
  {
   "system": "hazardous liquid",
   "report": "20250081",
   "nrc": "1425167",
   "why": "number not in NRC call logs"
  },
  {
   "system": "hazardous liquid",
   "report": "20250272",
   "operator": "MIPC LLC",
   "nrc": "1449591",
   "why": "NRC incident date more than 2 days from both the incident and its discovery"
  },
  {
   "system": "hazardous liquid",
   "report": "20250068",
   "operator": "ENTERPRISE PRODUCTS OPERATING LLC",
   "nrc": "1426304",
   "why": "NRC incident date more than 2 days from both the incident and its discovery"
  },
  {
   "system": "hazardous liquid",
   "report": "20250052",
   "operator": "ENTERPRISE PRODUCTS OPERATING LLC",
   "nrc": "1422426",
   "why": "state differs"
  },
  {
   "system": "hazardous liquid",
   "report": "20250043",
   "nrc": "1422014",
   "why": "number not in NRC call logs"
  },
  {
   "system": "hazardous liquid",
   "report": "20250035",
   "operator": "HOLLY ENERGY PARTNERS - OPERATING, L.P.",
   "nrc": "1421011",
   "why": "state differs"
  },
  {
   "system": "hazardous liquid",
   "report": "20240188",
   "operator": "INLAND CORPORATION",
   "nrc": "1404694",
   "why": "ambiguous: an earlier call (NRC 1404683) reports diesel on the ground at the next address on the same road, about two hours before the counted call"
  },
  {
   "system": "hazardous liquid",
   "report": "20240176",
   "nrc": "1404611",
   "why": "number not in NRC call logs"
  },
  {
   "system": "hazardous liquid",
   "report": "20240163",
   "operator": "BOARDWALK PETROCHEMICAL PIPELINE, LLC",
   "nrc": "1401900",
   "why": "NRC incident date more than 2 days from both the incident and its discovery"
  },
  {
   "system": "gas distribution",
   "report": "20260039",
   "nrc": "146032",
   "why": "number not in NRC call logs"
  },
  {
   "system": "gas distribution",
   "report": "20260020",
   "nrc": "1456138",
   "why": "number not in NRC call logs"
  },
  {
   "system": "gas distribution",
   "report": "20260001",
   "operator": "CENTERPOINT ENERGY RESOURCES CORP., DBA CENTERPOINT ENERGY MINNESOTA GAS",
   "nrc": "1450020",
   "why": "NRC incident date more than 2 days from both the incident and its discovery"
  },
  {
   "system": "gas distribution",
   "report": "20250059",
   "nrc": "1444433",
   "why": "number not in NRC call logs"
  },
  {
   "system": "gas distribution",
   "report": "20250050",
   "nrc": "1437562",
   "why": "number not in NRC call logs"
  },
  {
   "system": "gas distribution",
   "report": "20250047",
   "operator": "PUBLIC SERVICE ELECTRIC & GAS CO",
   "nrc": "1427035",
   "why": "NRC incident date more than 2 days from both the incident and its discovery"
  },
  {
   "system": "gas distribution",
   "report": "20250025",
   "nrc": "1427339",
   "why": "number not in NRC call logs"
  },
  {
   "system": "gas distribution",
   "report": "20240031",
   "operator": "BLACK HILLS ENERGY",
   "nrc": "1398244",
   "why": "NRC incident date more than 2 days from both the incident and its discovery"
  },
  {
   "system": "gas distribution",
   "report": "20250009",
   "operator": "DUKE ENERGY OHIO",
   "nrc": "1390430",
   "why": "confirmed discovery more than a day before the incident time"
  },
  {
   "system": "gas transmission and gathering",
   "report": "20260009",
   "operator": "TENNESSEE GAS PIPELINE COMPANY",
   "nrc": "1457921",
   "why": "state differs"
  },
  {
   "system": "gas transmission and gathering",
   "report": "20250032",
   "nrc": "1425167",
   "why": "number not in NRC call logs"
  },
  {
   "system": "gas transmission and gathering",
   "report": "20250031",
   "nrc": "1425167",
   "why": "number not in NRC call logs"
  },
  {
   "system": "gas transmission and gathering",
   "report": "20250015",
   "operator": "COLUMBIA GAS TRANSMISSION, LLC",
   "nrc": "1421435",
   "why": "state differs"
  },
  {
   "system": "gas transmission and gathering",
   "report": "20240128",
   "operator": "TENNESSEE GAS PIPELINE COMPANY",
   "nrc": "1414436",
   "why": "confirmed discovery more than a day before the incident time"
  },
  {
   "system": "gas transmission and gathering",
   "report": "20240070",
   "operator": "TRUNKLINE GAS CO",
   "nrc": "1397797",
   "why": "ambiguous: an earlier call from the same compressor station (NRC 1397734), about 48 minutes after discovery, is not on the form"
  }
 ],
 "update_numbers_followed_to_initial_call": 9,
 "all": {
  "n": 924,
  "late": 220,
  "late_pct": 23.8,
  "over_2h": 133,
  "over_24h": 39,
  "late_raw_over_60": 353,
  "late_by_both_over_65": 291,
  "late_by_both_threshold_language": 71,
  "reportable_on_its_face": 448,
  "late_on_its_face": 120,
  "raw_over_24h": 65,
  "within_1h": 514,
  "before_discovery_15min": 46,
  "median_min": 51.0,
  "median_late_min": 156.0,
  "p90_min": 526.0
 },
 "by_system": {
  "hazardous liquid": {
   "n": 422,
   "late": 98,
   "late_pct": 23.2,
   "over_2h": 60,
   "over_24h": 16,
   "late_raw_over_60": 162,
   "late_by_both_over_65": 130,
   "late_by_both_threshold_language": 32,
   "reportable_on_its_face": 73,
   "late_on_its_face": 19,
   "raw_over_24h": 29,
   "within_1h": 241,
   "before_discovery_15min": 15,
   "median_min": 52.0,
   "median_late_min": 165.0,
   "p90_min": 607.0
  },
  "gas distribution": {
   "n": 167,
   "late": 55,
   "late_pct": 32.9,
   "over_2h": 32,
   "over_24h": 8,
   "late_raw_over_60": 82,
   "late_by_both_over_65": 76,
   "late_by_both_threshold_language": 21,
   "reportable_on_its_face": 146,
   "late_on_its_face": 50,
   "raw_over_24h": 14,
   "within_1h": 77,
   "before_discovery_15min": 6,
   "median_min": 60.0,
   "median_late_min": 151.0,
   "p90_min": 756.0
  },
  "gas transmission and gathering": {
   "n": 335,
   "late": 67,
   "late_pct": 20.0,
   "over_2h": 41,
   "over_24h": 15,
   "late_raw_over_60": 109,
   "late_by_both_over_65": 85,
   "late_by_both_threshold_language": 18,
   "reportable_on_its_face": 229,
   "late_on_its_face": 51,
   "raw_over_24h": 22,
   "within_1h": 196,
   "before_discovery_15min": 25,
   "median_min": 47.0,
   "median_late_min": 152.0,
   "p90_min": 417.0
  }
 },
 "by_year": {
  "2024": {
   "n": 352,
   "late": 96,
   "late_pct": 27.3,
   "over_2h": 58,
   "over_24h": 18,
   "late_raw_over_60": 152,
   "late_by_both_over_65": 125,
   "late_by_both_threshold_language": 29,
   "reportable_on_its_face": 164,
   "late_on_its_face": 55,
   "raw_over_24h": 29,
   "within_1h": 186,
   "before_discovery_15min": 13,
   "median_min": 54.5,
   "median_late_min": 158.0,
   "p90_min": 905.0
  },
  "2025": {
   "n": 328,
   "late": 69,
   "late_pct": 21.0,
   "over_2h": 43,
   "over_24h": 14,
   "late_raw_over_60": 115,
   "late_by_both_over_65": 95,
   "late_by_both_threshold_language": 26,
   "reportable_on_its_face": 157,
   "late_on_its_face": 36,
   "raw_over_24h": 22,
   "within_1h": 183,
   "before_discovery_15min": 24,
   "median_min": 49.0,
   "median_late_min": 163.0,
   "p90_min": 477.0
  },
  "2026": {
   "n": 244,
   "late": 55,
   "late_pct": 22.5,
   "over_2h": 32,
   "over_24h": 7,
   "late_raw_over_60": 86,
   "late_by_both_over_65": 71,
   "late_by_both_threshold_language": 16,
   "reportable_on_its_face": 127,
   "late_on_its_face": 29,
   "raw_over_24h": 14,
   "within_1h": 145,
   "before_discovery_15min": 9,
   "median_min": 50.0,
   "median_late_min": 150.0,
   "p90_min": 288.0
  }
 },
 "bulletin_gas_only": {
  "2024": {
   "n": 184,
   "late": 53,
   "late_pct": 28.8,
   "over_2h": 33,
   "over_24h": 12,
   "late_raw_over_60": 80,
   "late_by_both_over_65": 67,
   "late_by_both_threshold_language": 14,
   "reportable_on_its_face": 131,
   "late_on_its_face": 43,
   "raw_over_24h": 18,
   "within_1h": 96,
   "before_discovery_15min": 7,
   "median_min": 54.5,
   "median_late_min": 201.0,
   "p90_min": 1047.0
  },
  "2025": {
   "n": 182,
   "late": 41,
   "late_pct": 22.5,
   "over_2h": 23,
   "over_24h": 8,
   "late_raw_over_60": 64,
   "late_by_both_over_65": 55,
   "late_by_both_threshold_language": 14,
   "reportable_on_its_face": 136,
   "late_on_its_face": 34,
   "raw_over_24h": 10,
   "within_1h": 96,
   "before_discovery_15min": 18,
   "median_min": 45.0,
   "median_late_min": 130.0,
   "p90_min": 310.0
  },
  "2026_before_2026-02-20": {
   "n": 29,
   "late": 7,
   "late_pct": 24.1,
   "over_2h": 5,
   "over_24h": 2,
   "late_raw_over_60": 12,
   "late_by_both_over_65": 9,
   "late_by_both_threshold_language": 2,
   "reportable_on_its_face": 24,
   "late_on_its_face": 5,
   "raw_over_24h": 2,
   "within_1h": 13,
   "before_discovery_15min": 3,
   "median_min": 41.0,
   "median_late_min": 397.0,
   "p90_min": 1302.0
  },
  "from_2026-02-20": {
   "n": 107,
   "late": 21,
   "late_pct": 19.6,
   "over_2h": 12,
   "over_24h": 1,
   "late_raw_over_60": 35,
   "late_by_both_over_65": 30,
   "late_by_both_threshold_language": 9,
   "reportable_on_its_face": 84,
   "late_on_its_face": 19,
   "raw_over_24h": 6,
   "within_1h": 68,
   "before_discovery_15min": 3,
   "median_min": 45.0,
   "median_late_min": 130.0,
   "p90_min": 210.0
  }
 },
 "liquid_meeting_none_of_195_52_a1_to_a4": {
  "n": 65,
  "late": 15,
  "late_pct": 23.1,
  "over_2h": 12,
  "over_24h": 0,
  "late_raw_over_60": 27,
  "late_by_both_over_65": 16,
  "late_by_both_threshold_language": 1,
  "reportable_on_its_face": 0,
  "late_on_its_face": 0,
  "raw_over_24h": 0,
  "within_1h": 36,
  "before_discovery_15min": 2,
  "median_min": 52.0,
  "median_late_min": 167.0,
  "p90_min": 192.0
 },
 "all_without_those": {
  "n": 859,
  "late": 205,
  "late_pct": 23.9,
  "over_2h": 121,
  "over_24h": 39,
  "late_raw_over_60": 326,
  "late_by_both_over_65": 275,
  "late_by_both_threshold_language": 70,
  "reportable_on_its_face": 448,
  "late_on_its_face": 120,
  "raw_over_24h": 65,
  "within_1h": 478,
  "before_discovery_15min": 44,
  "median_min": 51.0,
  "median_late_min": 152.0,
  "p90_min": 648.0
 },
 "late_by_form_alone_over_60": 326,
 "late_by_log_not_form": 37,
 "late_by_form_not_log": 10,
 "form_a_few_minutes_before_log": 220,
 "form_a_few_minutes_after_log": 27,
 "grace": {
  "0": 353,
  "5": 313,
  "10": 296,
  "15": 282
 },
 "serious_fatality_injury_fire_explosion": {
  "n": 187,
  "late": 58,
  "late_pct": 31.0,
  "over_2h": 33,
  "over_24h": 6,
  "late_raw_over_60": 84,
  "late_by_both_over_65": 75,
  "late_by_both_threshold_language": 17,
  "reportable_on_its_face": 187,
  "late_on_its_face": 58,
  "raw_over_24h": 9,
  "within_1h": 93,
  "before_discovery_15min": 6,
  "median_min": 54.0,
  "median_late_min": 138.5,
  "p90_min": 360.0
 },
 "fatal_or_injured": {
  "n": 69,
  "late": 22,
  "late_pct": 31.9,
  "over_2h": 15,
  "over_24h": 1,
  "late_raw_over_60": 31,
  "late_by_both_over_65": 28,
  "late_by_both_threshold_language": 6,
  "reportable_on_its_face": 69,
  "late_on_its_face": 22,
  "raw_over_24h": 1,
  "within_1h": 32,
  "before_discovery_15min": 5,
  "median_min": 52.0,
  "median_late_min": 146.5,
  "p90_min": 327.0
 },
 "operators_5plus": [
  {
   "operator": "COLONIAL PIPELINE CO",
   "n": 30,
   "late": 12,
   "late_pct": 40.0,
   "over_2h": 7,
   "over_24h": 1,
   "late_raw_over_60": 17,
   "late_by_both_over_65": 16,
   "late_by_both_threshold_language": 4,
   "reportable_on_its_face": 1,
   "late_on_its_face": 0,
   "raw_over_24h": 1,
   "within_1h": 13,
   "before_discovery_15min": 0,
   "median_min": 75.5,
   "median_late_min": 209.0,
   "p90_min": 477.0
  },
  {
   "operator": "ENTERPRISE PRODUCTS OPERATING LLC",
   "n": 49,
   "late": 8,
   "late_pct": 16.3,
   "over_2h": 6,
   "over_24h": 1,
   "late_raw_over_60": 13,
   "late_by_both_over_65": 10,
   "late_by_both_threshold_language": 2,
   "reportable_on_its_face": 5,
   "late_on_its_face": 1,
   "raw_over_24h": 2,
   "within_1h": 33,
   "before_discovery_15min": 3,
   "median_min": 29.0,
   "median_late_min": 485.0,
   "p90_min": 493.0
  },
  {
   "operator": "ENERGY TRANSFER COMPANY",
   "n": 50,
   "late": 7,
   "late_pct": 14.0,
   "over_2h": 5,
   "over_24h": 1,
   "late_raw_over_60": 15,
   "late_by_both_over_65": 8,
   "late_by_both_threshold_language": 1,
   "reportable_on_its_face": 21,
   "late_on_its_face": 0,
   "raw_over_24h": 1,
   "within_1h": 31,
   "before_discovery_15min": 3,
   "median_min": 49.0,
   "median_late_min": 152.0,
   "p90_min": 152.0
  },
  {
   "operator": "DCP MIDSTREAM, LP",
   "n": 8,
   "late": 6,
   "late_pct": 75.0,
   "over_2h": 4,
   "over_24h": 3,
   "late_raw_over_60": 7,
   "late_by_both_over_65": 6,
   "late_by_both_threshold_language": 0,
   "reportable_on_its_face": 5,
   "late_on_its_face": 3,
   "raw_over_24h": 3,
   "within_1h": 1,
   "before_discovery_15min": 0,
   "median_min": 141.0,
   "median_late_min": 29020.0,
   "p90_min": 97940.0
  },
  {
   "operator": "FLINT HILLS RESOURCES, LC",
   "n": 15,
   "late": 5,
   "late_pct": 33.3,
   "over_2h": 1,
   "over_24h": 0,
   "late_raw_over_60": 8,
   "late_by_both_over_65": 7,
   "late_by_both_threshold_language": 2,
   "reportable_on_its_face": 5,
   "late_on_its_face": 3,
   "raw_over_24h": 0,
   "within_1h": 7,
   "before_discovery_15min": 0,
   "median_min": 65.0,
   "median_late_min": 94.0,
   "p90_min": 202.0
  },
  {
   "operator": "NORTHERN ILLINOIS GAS CO",
   "n": 6,
   "late": 4,
   "late_pct": 66.7,
   "over_2h": 2,
   "over_24h": 0,
   "late_raw_over_60": 4,
   "late_by_both_over_65": 4,
   "late_by_both_threshold_language": 0,
   "reportable_on_its_face": 6,
   "late_on_its_face": 4,
   "raw_over_24h": 0,
   "within_1h": 1,
   "before_discovery_15min": 1,
   "median_min": 71.5,
   "median_late_min": 113.0,
   "p90_min": 213.0
  },
  {
   "operator": "PLAINS PIPELINE, L.P.",
   "n": 7,
   "late": 4,
   "late_pct": 57.1,
   "over_2h": 4,
   "over_24h": 3,
   "late_raw_over_60": 5,
   "late_by_both_over_65": 5,
   "late_by_both_threshold_language": 1,
   "reportable_on_its_face": 0,
   "late_on_its_face": 0,
   "raw_over_24h": 4,
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 ],
 "minutes_buckets_0_180": {
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  "20-30": 66,
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  "40-50": 103,
  "50-60": 118,
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  "140-150": 5,
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  "160-170": 6,
  "170-180": 8
 },
 "form_vs_log": {
  "n": 924,
  "within_10min": 805,
  "off_by_about_an_hour_or_more": 75,
  "median_abs_min": 0.0
 }
}