{
  "status": "matched",
  "scope": "Official EPA flare reference, flat terrain, no building downwash; AERSCREEN+MAKEMET+AERMOD end-to-end",
  "woodfibre_case": false,
  "versions": {
    "AERSCREEN": "21112",
    "MAKEMET": "16216",
    "AERMOD": "26135"
  },
  "files": [
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      "lines_compared": 294,
      "numeric_tokens_compared": 711,
      "maximum_absolute_numeric_difference": 0,
      "numeric_mismatches": [],
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      "exact_numeric_and_normalized_text_match": true,
      "newline_normalized_text_identical": false,
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    },
    {
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      "numeric_tokens_compared": 121,
      "maximum_absolute_numeric_difference": 0,
      "numeric_mismatches": [],
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      "exact_numeric_and_normalized_text_match": true,
      "newline_normalized_text_identical": false,
      "reference_sha256": "d5c6a1dd77a62a36bc566954a27224b943b6f8cbce3116f90fcc7718a1b72155",
      "test_sha256": "c5f91089db0962a351a923b7d39b6d9225cc27c5744f68464d2a7e2876ae5c5d"
    },
    {
      "file": "AERSCREEN_FLAT_NODW_max_conc_distance.txt",
      "lines_compared": 301,
      "numeric_tokens_compared": 6000,
      "maximum_absolute_numeric_difference": 0,
      "numeric_mismatches": [],
      "structural_mismatches": [],
      "exact_numeric_and_normalized_text_match": true,
      "newline_normalized_text_identical": true,
      "reference_sha256": "2e2d8d078bb2158d0e8faad7da1ddc1cd95b1999e251cf76fd82e4c8ae980619",
      "test_sha256": "5dd25b9094ee715ad74c3b6eeb1b8e090c63edb870d7e6150689e8451769b681"
    },
    {
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      "numeric_tokens_compared": 254,
      "maximum_absolute_numeric_difference": 0,
      "numeric_mismatches": [],
      "structural_mismatches": [],
      "exact_numeric_and_normalized_text_match": true,
      "newline_normalized_text_identical": true,
      "reference_sha256": "03410f654a012ed9da24269ddbad71b2f6510056b6b493c3df82886b69354d2b",
      "test_sha256": "f6080d7208e3288e24a42b161f71341d9d8796f57001f59390df9eb6f7e75b6c"
    },
    {
      "file": "prompts1.inp",
      "lines_compared": 12,
      "numeric_tokens_compared": 9,
      "maximum_absolute_numeric_difference": 0,
      "numeric_mismatches": [],
      "structural_mismatches": [],
      "exact_numeric_and_normalized_text_match": true,
      "newline_normalized_text_identical": true,
      "reference_sha256": "a04fed9822a6e3bd87e357bbb82ffb9864672007742807ad64775c5d8d8584fa",
      "test_sha256": "a1760670bddb86c2530dad001cdec5683ee0923a5e73da30e146d0803c4d8c75"
    }
  ],
  "numeric_tokens_compared": 7095,
  "normalizations": [
    "Generated wall-clock dates/times on explicit run headers only",
    "Whitespace/newlines",
    "Equivalent numeric formatting"
  ],
  "no_numeric_tolerance_used_for_reference_comparison": true,
  "criterion": {
    "primary": "Exact printed numeric fields plus normalized text; report all discrepancies",
    "normalizations": [
      "Generated run dates/times",
      "Whitespace/newlines",
      "Equivalent numeric formats"
    ],
    "regulatory_acceptance_criterion": false
  },
  "flare_input": {
    "rate_g_s": 1.0,
    "physical_height_m": 100.0,
    "total_heat_cal_s": 10000000.0,
    "radiative_loss_fraction": 0.45
  },
  "independent_flare_equation_check": {
    "guide_url": "https://gaftp.epa.gov/Air/aqmg/SCRAM/models/screening/aerscreen/aerscreen_userguide.pdf",
    "printed_page": 14,
    "equations": [
      1,
      2
    ],
    "checks": {
      "emission_g_s": {
        "equation_value": 1.0,
        "generated_aermod_value": 1.0,
        "absolute_difference": 0.0,
        "absolute_tolerance_in_field_units": 0.0,
        "within_tolerance": true
      },
      "effective_height_m": {
        "equation_value": 110.114975674289,
        "generated_aermod_value": 110.115,
        "absolute_difference": 2.432571099575398e-05,
        "absolute_tolerance_in_field_units": 0.00050001,
        "within_tolerance": true
      },
      "temperature_k": {
        "equation_value": 1273.0,
        "generated_aermod_value": 1273.0,
        "absolute_difference": 0.0,
        "absolute_tolerance_in_field_units": 0.0,
        "within_tolerance": true
      },
      "velocity_m_s": {
        "equation_value": 20.0,
        "generated_aermod_value": 20.0,
        "absolute_difference": 0.0,
        "absolute_tolerance_in_field_units": 0.0,
        "within_tolerance": true
      },
      "diameter_m": {
        "equation_value": 2.317065385352774,
        "generated_aermod_value": 2.317,
        "absolute_difference": 6.538535277389457e-05,
        "absolute_tolerance_in_field_units": 0.00050001,
        "within_tolerance": true
      }
    },
    "comparison_tolerance": "For printed geometry, half of 0.001 m; other constants exactly represented",
    "total_heat_reduced_before_formula": false
  },
  "epa_example_peak_ug_m3": {
    "1h": 1.821,
    "scaled_3h": 1.821,
    "scaled_8h": 1.639,
    "scaled_24h": 1.093,
    "scaled_annual": 0.1821,
    "distance_m": 1725.0
  },
  "run": {
    "started_utc": "2026-09-05T17:16:35.482861+00:00",
    "finished_utc": "2026-09-05T17:16:40.274025+00:00",
    "elapsed_seconds": 4.790892041999999,
    "exit_code": 0,
    "binary_sha256": "defc776731cbd571869bcea3c830e1cf5aa67b70cb621cd0b54dad8fbb57c4aa"
  },
  "aerscreen_reports_no_errors_or_warnings": true,
  "makemet_surface_profile_pairs_generated": 12,
  "makemet_direct_meteorology_reference_files_supplied": false,
  "not_established": [
    "Standalone byte-level MAKEMET meteorological reference match",
    "Terrain screening branch",
    "BPIPPRM/downwash branch",
    "NO2 chemistry screening",
    "Fumigation options",
    "Woodfibre source prediction",
    "Finite-event matched-hour concentration",
    "Site validation"
  ]
}