Regulatory Text
30 C.F.R. § 27.40 — Test to determine resistance to dust.
§ 27.40 Test to determine resistance to dust. Components, subassemblies, or assemblies, the normal functioning of which might be affected by dust, such as coal or rock dust, shall be tested in an atmosphere containing an average concentration (50 million minus 40 micron particles per cubic foot) of such dust(s) for a continuous period of 4 hours. The component, subassembly, or assembly shall function normally after being subjected to this test. Note: Dust measurements, when necessary, shall be made by impinger sampling and light-field counting technique.
Source: ecfr.gov · govinfo.gov — public domain
Official Source ↗
Root-LD Entity Data
◈ Machine-Readable Provenance Record
Root-LD v1.0 · boisestandard.org
Federation ID
BS-CFR30-SEC-4CC3AB
Entity Class
REGULATION / FEDERAL-CFR-SECTION
Domain Signature
boisestandard.org
Citation
30 C.F.R. § 27.40
Corpus
CFR — Code of Federal Regulations
Status
✓ ACTIVE
Source
PRIMARY-SOURCE
Source Verified
✓ TRUE
Content Hash
57789c816efa3bbb...
Semantic Edges
Pending — corpus passes queued
The regulatory text of 30 C.F.R. § 27.40 is reproduced from the official Code of Federal Regulations as published by the Office of the Federal Register and the National Archives and Records Administration.
Navigate Corpus — Title 30 C.F.R.
Title 30 — Mineral Resources
30 C.F.R. § 1.130 C.F.R. § 1.230 C.F.R. § 1.330 C.F.R. § 3.130 C.F.R. § 5.1030 C.F.R. § 5.3030 C.F.R. § 5.4030 C.F.R. § 5.5030 C.F.R. § 6.130 C.F.R. § 6.230 C.F.R. § 6.1030 C.F.R. § 6.2030 C.F.R. § 6.3030 C.F.R. § 7.130 C.F.R. § 7.230 C.F.R. § 7.330 C.F.R. § 7.430 C.F.R. § 7.530 C.F.R. § 7.630 C.F.R. § 7.730 C.F.R. § 7.830 C.F.R. § 7.930 C.F.R. § 7.1030 C.F.R. § 7.2130 C.F.R. § 7.2230 C.F.R. § 7.2330 C.F.R. § 7.2430 C.F.R. § 7.2530 C.F.R. § 7.2630 C.F.R. § 7.27
30 C.F.R. — public domain
← All Legislation