{
  "title": "Smoke Field Manual v1.0",
  "author": "Armando Torres",
  "location": "Garland, TX",
  "build_date": "2026-07-18T21:45:00Z",
  "protocol": {
    "situation": "Wildfire smoke blanket detected. AQI exceeds 150.",
    "symptom": "Visible haze, acrid odor, respiratory irritation.",
    "root_cause": "Particulate Matter (PM2.5) ingress via HVAC intake.",
    "target": "Seal the cabin. Recirculate. Filter."
  },
  "lockdown_sequence": [
    {"step": 1, "action": "RECIRCULATION_MODE", "state": "ENGAGE", "priority": "IMMEDIATE"},
    {"step": 2, "action": "FAN_SPEED", "state": "MAXIMUM", "constraint": "Flow rate > filter capacity = bypass"},
    {"step": 3, "action": "VENT_CLOSE", "targets": ["windows", "sunroof", "trunk_seals"]},
    {"step": 4, "action": "FILTER_CHECK", "upgrade": "activated_carbon_variant"}
  ],
  "filtration_specs": {
    "oem_standard": {
      "media_type": "Polypropylene fiber",
      "pore_size_um": ">5",
      "flow_resistance": "Low (comfort)",
      "carbon_loading_g_m2": 0,
      "service_life_months": 12
    },
    "crisis_upgrade": {
      "media_type": "Activated Carbon + Electrostatic",
      "pore_size_um": "<2.5",
      "capture_target": "PM2.5",
      "flow_resistance": "High (protection)",
      "fan_load_delta": "+45%",
      "carbon_loading_g_m2": ">=300",
      "service_life": "REPLACE_NOW"
    }
  },
  "failure_modes": [
    {
      "mode": "BYPASS_EVENT",
      "cause": "Filter saturated, airflow seeks path of least resistance",
      "result": "Unfiltered smoke enters cabin",
      "solution": "Dual-stage filtration. Pre-filter (coarse) protects primary (fine)."
    },
    {
      "mode": "SEAL_BREACH",
      "cause": "Window gaskets aged > 5 years. Pressure differential forces ingress.",
      "solution": "Silicone spray treatment. Verify closure force."
    }
  ],
  "sources": [
    {"label": "EPA Air Toxics Handbook", "url": "https://www.epa.gov/pm-pollution/particulate-matter-pm-basics"},
    {"label": "SAE J2905 Cabin Filtration Test Procedure", "url": "https://www.sae.org/standards/content/j2905/"},
    {"label": "Current Event: Midwest Smoke Blanket", "url": "https://www.waer.org/2026-07-18/air-quality-improving-in-northeast-while-wildfire-smoke-hangs-over-midwest"}
  ],
  "cross_links": [
    {"citizen": "Eneida Rodriguez", "work": "Smoke Visibility Protocol", "url": "https://eneida-rodriguez.4ort.net"}
  ]
}