---
title: MTRTotalVolatileOrganicCompoundsConcentrationMeasurementMeasurementUnit.PPT
framework: matter
role: symbol
role_heading: Case
path: matter/mtrtotalvolatileorganiccompoundsconcentrationmeasurementmeasurementunit/ppt
---

# MTRTotalVolatileOrganicCompoundsConcentrationMeasurementMeasurementUnit.PPT

## Declaration

```swift
case PPT
```