A structured risk review that identifies hazards in a process or worksite before operations begin. Subcontractors are often required to participate or submit supporting documentation. Your crew's task-specific risks may be reviewed and built into site safety plans.
HAZOP (Hazard and Operability Study)
Related Terms
API (American Petroleum Institute)
ComplianceThe leading industry organisation that develops technical standards, safety protocols, and equipment specifications that subcontractors must follow when working on oil and gas projects. API certifications and compliance with API standards are often mandatory requirements in service contracts and can affect your ability to bid on projects.
NRC (Nuclear Regulatory Commission)
ComplianceA U.S. federal agency that regulates civilian nuclear facilities and materials. Subcontractors working near nuclear sites must meet strict NRC access and safety requirements. Non-compliance can result in immediate removal from site.
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.
Zero-Tolerance (drug and Alcohol Policy)
ComplianceA site policy that prohibits any detectable level of drugs or alcohol in workers. Subcontractors must ensure all personnel pass pre-access and random testing. Violations typically result in immediate removal from site and contract penalties.
DPF (Diesel Particulate Filter)
ComplianceAn emissions control device fitted to diesel-powered equipment that traps soot and particulate matter from exhaust. Subcontractors must ensure DPFs are maintained and operational to meet Tier 4 emissions requirements on regulated job sites. Failing inspections or bypassing filters can result in equipment being pulled from service.
Contractor Certification
ComplianceFormal verification that a subcontractor meets a client's safety, technical, or insurance standards before being awarded work. Most major operators require active certification through third-party registries such as ISNetworld or Avetta. Lapsed certification can result in immediate removal from approved vendor lists.
Latest Compliance News
CSB Report: Undersized Pressure Relief System Caused Fatal 2024 Reactor Explosion
The Chemical Safety Board's final report on a November 2024 explosion at a Louisville chemical facility found an undersized emergency pressure relief system contributed to two worker deaths. The findings carry direct implications for industrial maintenance subcontractors working around pressurized vessels.
20 hours ago ComplianceOSHA Orders Railroad to Pay Back Wages After Worker Suspended for Reporting Safety Incident
OSHA found Canadian Pacific Kansas City violated federal whistleblower protections after suspending a union chairman who reported a train collision to federal regulators. Field service employers take note.
4 days ago ComplianceTwo-Thirds of Organizations Struggle With PPE Compliance, 2026 Study Finds
A new study from ISEA and J. J. Keller finds that compliance, comfort, and safety culture remain the top challenges facing PPE programs, with more than two-thirds of organizations unable to get workers to consistently wear required equipment.
4 days ago ComplianceDOT Confirms Marijuana Ban Stands for Safety-Sensitive Workers Despite Federal Rescheduling
The Department of Transportation reaffirmed its zero-tolerance marijuana policy for safety-sensitive transportation workers following the DEA's reclassification of marijuana as a Schedule III substance. Medical marijuana cards and physician recommendations do not override DOT drug testing rules.
5 days 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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