# Permeation devices for calibrating air quality monitoring equipment — Postal shipping restrictions by item category

For Permeation devices for calibrating air quality monitoring equipment, carrier is FAA (air transport); restriction type is restricted; scope is checked baggage only; not allowed in carry-on; conditions is Total quantity of hazardous materials in the device limited to 2 ml; device and packaging cannot weigh more than 30 kg; must meet 49 CFR 173.175, recorded from its source on 2026-08-10.

- **Item category:** Permeation devices for calibrating air quality monitoring equipment _(verified: appears in the quote below)_
- **Carrier:** FAA (air transport) _(our reading, not quoted from the source)_
- **Restriction type:** restricted _(our reading, not quoted from the source)_
- **Scope:** checked baggage only; not allowed in carry-on _(our reading, not quoted from the source)_
- **Conditions:** Total quantity of hazardous materials in the device limited to 2 ml; device and packaging cannot weigh more than 30 kg; must meet 49 CFR 173.175. _(verified: appears in the quote below)_

## What the source says

> The total quantity of hazardous materials in the device is limited to 2 ml (0.07 ounces). The device and its packaging cannot weigh more than 30 kg (66 pounds).

## Source

- https://www.faa.gov/hazmat/packsafe/printable-chart

Last verified: 2026-08-10. Review by: 2027-08-10.
Part of [Postal shipping restrictions by item category](https://referencesource.org/shipping-restrictions-by-class/).