# Noise Emission Standards for Transportation Equipment; Interstate Rail Carriers
> **Rule** · — · Published 1999-10-12 · 64 FR 55141
## Document
- **Document number:** 99-55535
- **Category:** air-emissions
- **Federal Register citation:** 64 FR 55141
- **CFR reference:** 40 CFR 201
- **Publication date:** 1999-10-12
## Source
- [Federal Register document](https://www.federalregister.gov/documents/1999/10/12/99-55535/noise-emission-standards-for-transportation-equipment-interstate-rail-carriers)
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