---
title: MTRTotalVolatileOrganicCompoundsConcentrationMeasurementMeasurementUnit.NGM3
framework: matter
role: symbol
role_heading: Case
path: matter/mtrtotalvolatileorganiccompoundsconcentrationmeasurementmeasurementunit/ngm3
---

# MTRTotalVolatileOrganicCompoundsConcentrationMeasurementMeasurementUnit.NGM3

## Declaration

```swift
case NGM3
```