# AI advises using a vinegar-soaked cloth over the mouth during volcanic ashfall to neutralize acid gases (ash clogs pores and causes suffocation)

- **ID:** `disaster/volcanic-ash-vinegar-myth`
- **Domain:** disaster
- **Category:** life_threatening
- **Verification:** ai_generated
- **Fix Rate:** 73%

## Root Cause

Vinegar does not neutralize volcanic acid gases effectively; the cloth becomes clogged with ash particles, reducing airflow and causing suffocation, while acid gases can still penetrate.

## Version Compatibility

| Version | Status | Introduced | Deprecated |
|---------|--------|------------|------------|
| volcanic-ash-safety-2024 | active | — | — |

## Workarounds

1. **Use a properly fitted N95 or P100 respirator with an acid gas filter cartridge (e.g., 3M 60926). Ensure seal by performing a fit test: cover exhalation valve and exhale gently; no leaks. Run `python -c "import re; mask_type = input('Mask type: '); print('Valid' if re.match(r'^(N95|P100|FFP3)$', mask_type) else 'Invalid')"`.** (88% success)
   ```
   Use a properly fitted N95 or P100 respirator with an acid gas filter cartridge (e.g., 3M 60926). Ensure seal by performing a fit test: cover exhalation valve and exhale gently; no leaks. Run `python -c "import re; mask_type = input('Mask type: '); print('Valid' if re.match(r'^(N95|P100|FFP3)$', mask_type) else 'Invalid')"`.
   ```
2. **If no respirator, stay indoors with windows sealed and use a wet towel at the bottom of doors, but do not rely on it for breathing. Monitor air quality: `curl -s https://airquality.example.com/api/v1/volcanic-ash?lat=19.4&lon=-155.1`.** (70% success)
   ```
   If no respirator, stay indoors with windows sealed and use a wet towel at the bottom of doors, but do not rely on it for breathing. Monitor air quality: `curl -s https://airquality.example.com/api/v1/volcanic-ash?lat=19.4&lon=-155.1`.
   ```

## Dead Ends

- **** — Baking soda also clogs pores and is ineffective against acid gases like SO2 (92% fail)
- **** — Wet fabric clogs faster with ash; no acid gas protection (95% fail)
- **** — Petroleum jelly creates a seal that prevents breathing; does not filter gases (98% fail)