{
  "units": "µg/m³",
  "averagingHours": 1,
  "receptorHeightM": 1.5,
  "terrain": "flat",
  "sourceDates": "2014–2015",
  "scope": "Historical active-rate screening; 30-minute sources held for one hour; source increments only; separate cases, not combined.",
  "sources": [
    {
      "id": "WWGF",
      "durationHours": 0.5,
      "heatCalS": 829441536.0,
      "provisional": false,
      "pollutants": {
        "PM25": {
          "publishedMassTonnes": 0.0022,
          "activeRateGsExactDecimal": "1.2222222222222222222222222222222222",
          "activeRateGs": 1.2222222222222223,
          "minimumCasePeakUgM3": 0.08470488888888889,
          "maximumCasePeakUgM3": 0.16512222222222223,
          "oneHourScreenSourceMassG": 4400.0,
          "historicalEventMassG": 2200.0
        },
        "NOx": {
          "publishedMassTonnes": 0.0918,
          "activeRateGsExactDecimal": "51.000",
          "activeRateGs": 51.0,
          "minimumCasePeakUgM3": 3.534504,
          "maximumCasePeakUgM3": 6.8901,
          "oneHourScreenSourceMassG": 183600.0,
          "historicalEventMassG": 91800.0
        },
        "CO": {
          "publishedMassTonnes": 0.4977,
          "activeRateGsExactDecimal": "276.500",
          "activeRateGs": 276.5,
          "minimumCasePeakUgM3": 19.162556,
          "maximumCasePeakUgM3": 37.35515,
          "oneHourScreenSourceMassG": 995400.0,
          "historicalEventMassG": 497700.0
        },
        "VOC": {
          "publishedMassTonnes": 0.0838,
          "activeRateGsExactDecimal": "46.555555555555555555555555555555556",
          "activeRateGs": 46.55555555555556,
          "minimumCasePeakUgM3": 3.2264862222222224,
          "maximumCasePeakUgM3": 6.289655555555556,
          "oneHourScreenSourceMassG": 167600.0,
          "historicalEventMassG": 83800.0
        }
      },
      "sampledCases": [
        {
          "id": "WWGF_water_summer_250_310_q1_d20",
          "peakCoefficient": 0.12672,
          "peakDistanceM": 4445.0
        },
        {
          "id": "WWGF_water_summer_250_320_q1_d20",
          "peakCoefficient": 0.12672,
          "peakDistanceM": 4445.0
        },
        {
          "id": "WWGF_water_autumn_250_310_q1_d20",
          "peakCoefficient": 0.1351,
          "peakDistanceM": 4715.0
        },
        {
          "id": "WWGF_water_autumn_250_320_q1_d20",
          "peakCoefficient": 0.1351,
          "peakDistanceM": 4715.0
        },
        {
          "id": "WWGF_grass_summer_250_310_q1_d20",
          "peakCoefficient": 0.094028,
          "peakDistanceM": 11455.0
        },
        {
          "id": "WWGF_grass_summer_250_320_q1_d20",
          "peakCoefficient": 0.085057,
          "peakDistanceM": 13430.0
        },
        {
          "id": "WWGF_grass_autumn_250_310_q1_d20",
          "peakCoefficient": 0.11741,
          "peakDistanceM": 10105.0
        },
        {
          "id": "WWGF_grass_autumn_250_320_q1_d20",
          "peakCoefficient": 0.10422,
          "peakDistanceM": 12170.0
        },
        {
          "id": "WWGF_conifer_summer_250_310_q1_d20",
          "peakCoefficient": 0.080062,
          "peakDistanceM": 9245.0
        },
        {
          "id": "WWGF_conifer_summer_250_320_q1_d20",
          "peakCoefficient": 0.078765,
          "peakDistanceM": 4330.0
        },
        {
          "id": "WWGF_conifer_autumn_250_310_q1_d20",
          "peakCoefficient": 0.069304,
          "peakDistanceM": 3155.0
        },
        {
          "id": "WWGF_conifer_autumn_250_320_q1_d20",
          "peakCoefficient": 0.069304,
          "peakDistanceM": 3155.0
        }
      ]
    },
    {
      "id": "LPCF",
      "durationHours": 14,
      "heatCalS": 214146240.0,
      "provisional": false,
      "pollutants": {
        "PM25": {
          "publishedMassTonnes": 2.8073,
          "activeRateGsExactDecimal": "55.700396825396825396825396825396825",
          "activeRateGs": 55.70039682539682,
          "minimumCasePeakUgM3": 6.901279166666667,
          "maximumCasePeakUgM3": 22.162073888888887,
          "oneHourScreenSourceMassG": 200521.42857142858,
          "historicalEventMassG": 2807300.0
        },
        "NOx": {
          "publishedMassTonnes": 1.3205,
          "activeRateGsExactDecimal": "26.200396825396825396825396825396825",
          "activeRateGs": 26.200396825396826,
          "minimumCasePeakUgM3": 3.2462291666666667,
          "maximumCasePeakUgM3": 10.424613888888889,
          "oneHourScreenSourceMassG": 94321.42857142857,
          "historicalEventMassG": 1320500.0
        },
        "CO": {
          "publishedMassTonnes": 7.1971,
          "activeRateGsExactDecimal": "142.79960317460317460317460317460317",
          "activeRateGs": 142.79960317460316,
          "minimumCasePeakUgM3": 17.692870833333334,
          "maximumCasePeakUgM3": 56.81710611111111,
          "oneHourScreenSourceMassG": 514078.5714285714,
          "historicalEventMassG": 7197100.0
        },
        "VOC": {
          "publishedMassTonnes": 0.266,
          "activeRateGsExactDecimal": "5.2777777777777777777777777777777778",
          "activeRateGs": 5.277777777777778,
          "minimumCasePeakUgM3": 0.6539166666666667,
          "maximumCasePeakUgM3": 2.0999222222222222,
          "oneHourScreenSourceMassG": 19000.0,
          "historicalEventMassG": 266000.0
        }
      },
      "sampledCases": [
        {
          "id": "LPCF_water_summer_250_310_q1_d20",
          "peakCoefficient": 0.34745,
          "peakDistanceM": 5905.0
        },
        {
          "id": "LPCF_water_summer_250_320_q1_d20",
          "peakCoefficient": 0.34745,
          "peakDistanceM": 5905.0
        },
        {
          "id": "LPCF_water_autumn_250_310_q1_d20",
          "peakCoefficient": 0.35566,
          "peakDistanceM": 5270.0
        },
        {
          "id": "LPCF_water_autumn_250_320_q1_d20",
          "peakCoefficient": 0.35243,
          "peakDistanceM": 5775.0
        },
        {
          "id": "LPCF_grass_summer_250_310_q1_d20",
          "peakCoefficient": 0.34131,
          "peakDistanceM": 4295.0
        },
        {
          "id": "LPCF_grass_summer_250_320_q1_d20",
          "peakCoefficient": 0.27401,
          "peakDistanceM": 6170.0
        },
        {
          "id": "LPCF_grass_autumn_250_310_q1_d20",
          "peakCoefficient": 0.39788,
          "peakDistanceM": 3955.0
        },
        {
          "id": "LPCF_grass_autumn_250_320_q1_d20",
          "peakCoefficient": 0.3397,
          "peakDistanceM": 5510.0
        },
        {
          "id": "LPCF_conifer_summer_250_310_q1_d20",
          "peakCoefficient": 0.19169,
          "peakDistanceM": 5150.0
        },
        {
          "id": "LPCF_conifer_summer_250_320_q1_d20",
          "peakCoefficient": 0.19492,
          "peakDistanceM": 5385.0
        },
        {
          "id": "LPCF_conifer_autumn_250_310_q1_d20",
          "peakCoefficient": 0.14901,
          "peakDistanceM": 2690.0
        },
        {
          "id": "LPCF_conifer_autumn_250_320_q1_d20",
          "peakCoefficient": 0.1239,
          "peakDistanceM": 4965.0
        }
      ]
    },
    {
      "id": "CDGF",
      "durationHours": 0.5,
      "heatCalS": 2235346960.0000005,
      "provisional": true,
      "pollutants": {
        "PM25": {
          "publishedMassTonnes": 0.4734,
          "activeRateGsExactDecimal": "263.000",
          "activeRateGs": 263.0,
          "minimumCasePeakUgM3": 9.404617,
          "maximumCasePeakUgM3": 23.268662,
          "oneHourScreenSourceMassG": 946800.0,
          "historicalEventMassG": 473400.0
        },
        "NOx": {
          "publishedMassTonnes": 0.2468,
          "activeRateGsExactDecimal": "137.11111111111111111111111111111111",
          "activeRateGs": 137.11111111111111,
          "minimumCasePeakUgM3": 4.9029562222222225,
          "maximumCasePeakUgM3": 12.130768444444444,
          "oneHourScreenSourceMassG": 493600.0,
          "historicalEventMassG": 246800.0
        },
        "CO": {
          "publishedMassTonnes": 1.3427,
          "activeRateGsExactDecimal": "745.94444444444444444444444444444444",
          "activeRateGs": 745.9444444444445,
          "minimumCasePeakUgM3": 26.674227388888887,
          "maximumCasePeakUgM3": 65.99668877777778,
          "oneHourScreenSourceMassG": 2685400.0,
          "historicalEventMassG": 1342700.0
        },
        "VOC": {
          "publishedMassTonnes": 2.8005,
          "activeRateGsExactDecimal": "1555.8333333333333333333333333333333",
          "activeRateGs": 1555.8333333333333,
          "minimumCasePeakUgM3": 55.63504416666667,
          "maximumCasePeakUgM3": 137.65079833333334,
          "oneHourScreenSourceMassG": 5601000.0,
          "historicalEventMassG": 2800500.0
        }
      },
      "sampledCases": [
        {
          "id": "CDGF_water_summer_250_310_q1_d20",
          "peakCoefficient": 0.088474,
          "peakDistanceM": 7355.0
        },
        {
          "id": "CDGF_water_summer_250_320_q1_d20",
          "peakCoefficient": 0.088474,
          "peakDistanceM": 7355.0
        },
        {
          "id": "CDGF_water_autumn_250_310_q1_d20",
          "peakCoefficient": 0.069728,
          "peakDistanceM": 7250.0
        },
        {
          "id": "CDGF_water_autumn_250_320_q1_d20",
          "peakCoefficient": 0.076172,
          "peakDistanceM": 7435.0
        },
        {
          "id": "CDGF_grass_summer_250_310_q1_d20",
          "peakCoefficient": 0.046217,
          "peakDistanceM": 4400.0
        },
        {
          "id": "CDGF_grass_summer_250_320_q1_d20",
          "peakCoefficient": 0.046217,
          "peakDistanceM": 4400.0
        },
        {
          "id": "CDGF_grass_autumn_250_310_q1_d20",
          "peakCoefficient": 0.050996,
          "peakDistanceM": 4160.0
        },
        {
          "id": "CDGF_grass_autumn_250_320_q1_d20",
          "peakCoefficient": 0.050592,
          "peakDistanceM": 4175.0
        },
        {
          "id": "CDGF_conifer_summer_250_310_q1_d20",
          "peakCoefficient": 0.036472,
          "peakDistanceM": 5790.0
        },
        {
          "id": "CDGF_conifer_summer_250_320_q1_d20",
          "peakCoefficient": 0.035759,
          "peakDistanceM": 6160.0
        },
        {
          "id": "CDGF_conifer_autumn_250_310_q1_d20",
          "peakCoefficient": 0.036931,
          "peakDistanceM": 5815.0
        },
        {
          "id": "CDGF_conifer_autumn_250_320_q1_d20",
          "peakCoefficient": 0.036931,
          "peakDistanceM": 5815.0
        }
      ]
    }
  ],
  "evidence": {
    "results": "/evidence/woodfibre-historical-screening-results.html",
    "sourceCalculations": "/evidence/woodfibre-historic-source-consistency.html",
    "inputManifest": {
      "sourceInputs": {
        "path": "outputs/woodfibre-historic-flare-inputs.json",
        "sha256": "f29c8953f62cd7b031aa5b8e9cfa6aeeb9a0f1b53aafcc904d3a7696a251bc13"
      },
      "sourceAudit": {
        "path": "outputs/woodfibre-historic-source-calculations.json",
        "sha256": "6f5ee5106037ac571d650b5279354a5e04627bd647bb8d6b5b41b3bac7e59593"
      },
      "sourceDisplay": {
        "path": "work/historical-source-display/source-comparison.json",
        "sha256": "3157eb841f0089c4a78c3243478fbff51ba62c033962b504b6d75bba0934e625"
      },
      "screeningResults": {
        "path": "outputs/woodfibre-historical-screening-results.json",
        "sha256": "c4ab9239390f149e43331271e0472dea5205edacb63945053df96718cc409c79"
      },
      "screeningCurves": {
        "path": "outputs/woodfibre-historical-screening-curves.csv",
        "sha256": "8ad319163ed981d02cdf5d882eb20ee389f54f7c84f4b2e053bb545239374214"
      },
      "screeningVerification": {
        "path": "outputs/woodfibre-historical-screening-verification.json",
        "sha256": "7bdafbfb80630acc834a52f8e11362bc82be3a6b66e7714194b759d20021404e"
      },
      "applicabilityReview": {
        "path": "outputs/woodfibre-historical-screening-applicability-review.md",
        "sha256": "08ef5da8dadd97f08ba983b319aa92edad342fd80f72c51445f98922f7f58d60"
      },
      "AERSCREENsource": {
        "path": "work/epa-screen/source/aerscreen/AERSCREEN.FOR",
        "sha256": "ed8c350f9a5b083ee0eaa01b9efbe201c586b3495555e53ccc61ff2740382b5d"
      }
    }
  }
}