A U.S. federal agency that researches workplace hazards and sets exposure limits for chemicals, noise, and physical risks. Subcontractors working on cross-border or U.S.-based projects must align PPE and safety practices with NIOSH standards. Their certified equipment ratings, such as respirator approvals, are often mandatory on client worksites.
NIOSH (National Institute for Occupational Safety and Health)
Related Terms
FRA (Federal Railroad Administration)
ComplianceThe U.S. federal agency regulating railroad safety, equipment, and operations. Subcontractors working near rail corridors or transporting equipment by rail must meet FRA compliance standards. Non-compliance can result in work stoppages and liability exposure.
FERC (Federal Energy Regulatory Commission)
ComplianceThe U.S. federal body that regulates interstate energy infrastructure, including pipelines and transmission lines. Projects requiring FERC approval often have strict compliance timelines that affect subcontractor scheduling and scope. Work on FERC-regulated assets may require additional permitting and documentation.
CCR (Coal Combustion Residuals)
ComplianceSolid and liquid waste materials produced by coal-fired power plants, including fly ash, bottom ash, and scrubber sludge. Subcontractors handling CCR sites must follow strict federal regulations governing storage, disposal, and remediation. Improper handling can trigger significant liability, so verify site-specific CCR compliance requirements before mobilising.
Export Authorization
ComplianceA government-issued permit allowing equipment, technology, or services to be delivered across international borders. Subcontractors must secure this before mobilising tools or personnel to foreign project sites. Missing authorisation can halt operations and trigger costly delays.
Competent Person
ComplianceA worker recognised by a client or regulator as having the training, experience, and authority to identify hazards and direct safe work. Subcontractors are often required to designate a Competent Person on-site before work begins. Failing to do so can result in work stoppages or lost contracts.
RT (Radiographic Testing)
ComplianceA non-destructive inspection method using X-rays or gamma rays to detect internal flaws in welds and pipework. Subcontractors must ensure certified RT technicians and proper radiation safety protocols are in place. Clients often require RT sign-off before authorising pressure testing or commissioning work.
Latest Compliance News
NIOSH Releases Toolbox Talk on Overhead Power Line Hazards
NIOSH and CPWR published a new toolbox talk urging crane, lift and ladder crews to keep 20 feet of clearance from overhead power lines after a fatal crane incident on a school jobsite.
1 month agoComplianceNIOSH Releases New Guidance to Cut Wildfire Smoke Exposure for Workers
NIOSH has published a new resource outlining steps employers and outdoor crews can take to reduce health risks from wildfire smoke as air quality warnings spread across the US.
2 months agoComplianceNIOSH-Validated Silica Filtration System Cuts Respirable Dust by 93% at Mine Sites
NIOSH and Benetech Inc. have developed a retrofittable silica dust filtration system called the Dustinator, which reduced respirable crystalline silica by 93% in testing at mine sites. Subcontractors in mining, excavation, and bulk material handling should take note.
3 months agoComplianceOSHA Fatality Data Highlights Ongoing Risks for Drilling and Excavation Crews
ISHN, via sister publication The Driller, reports on 2024-2025 OSHA and NIOSH fatality data showing drilling and trenching remain among construction's deadliest activities, with heat stress flagged as a growing hazard.
1 month agoRelated Guides
When a Jobsite Incident Happens: What Field Workers Need to Know Before Signing Anything
What to do after a jobsite injury or incident, what your rights are before signing incident reports, how workers' compensation works, and how to protect yourself on multi-employer worksites.
Compliance GuideOSHA Citations on Multi-Employer Worksites: What Subcontractors Need to Know
Learn how OSHA's multi-employer citation policy works, why subcontractors get cited for hazards they didn't create, and how to protect your company on operator-controlled job sites.
Compliance GuideHow to Read and Negotiate an Oilfield Master Service Agreement (MSA): A Subcontractor's Guide
Learn which MSA clauses actually matter for oilfield subcontractors: indemnity, insurance, payment terms, and change orders. Know what you're signing.
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