{
  "site_name": "Milliken SLF (CA)",
  "landfill_id": 213,
  "lat": 34.0365,
  "lon": -117.5583,
  "source": "mass_run",
  "measurement": {
    "hard_fail": false,
    "native_srs_label": "UTM11 WGS84 EPSG:32611",
    "epoch_a_date_nominal": "2013",
    "epoch_b_date_nominal": "2018",
    "epoch_dates_independently_verified": true,
    "usable_coverage_pct": 91.5,
    "n_stable_control_cells": 75652,
    "evidence_refs": [
      "epoch_a: kind=ept label='USGS_LPC_CA_SanBernardinoCo_AreaA_2013_LAS_2018' n_ground_points=3402759 runtime_s=28.4",
      "epoch_b: kind=ept label='USGS_LPC_CA_SoCal_Wildfires_B1_2018_LAS_2019' n_ground_points=2521363 runtime_s=15.9"
    ],
    "meta": {
      "epoch_a": {
        "runtime_s": 28.425047480000103,
        "n_points": 3402759,
        "text_bytes": 105485541
      },
      "epoch_b": {
        "runtime_s": 15.85597814799985,
        "n_points": 2521363,
        "text_bytes": 78162265
      },
      "grid_nx": 500,
      "grid_ny": 500
    },
    "stable_control_offset_m": -0.0127,
    "stable_control_sigma_m": 0.0609,
    "detection_threshold_m": 0.1826,
    "volume_change_m3": -464.8,
    "uncertainty_m3": 5.8,
    "uncertainty_to_change_ratio": 0.0126,
    "classification": "DECISION_USEFUL_CHANGE_DETECTED",
    "landfill_id": 213,
    "name": "Milliken SLF",
    "state": "CA",
    "lat": 34.0365,
    "lon": -117.5583,
    "site_note": "poligono sintetico (buffer 200x200m sobre coordenada LMOP real), NO el parcel legal exacto",
    "datum_note": "UTM WGS84, no NAD83(2011) especifico por estado - ver docstring de lmop_mass_runner.py"
  }
}