Scope 1 covers direct emissions from equipment and vehicles your company owns or operates, such as diesel generators and fleet trucks. Scope 2 covers indirect emissions from purchased electricity used at your facilities or job sites. Prime contractors increasingly require subcontractors to track and report both when bidding on ESG-conscious projects.
Scope 1 and Scope 2 Emissions
Related Terms
Spoil Management
ComplianceThe handling, hauling, and disposal of excavated soil, rock, or debris generated during earthwork and pipeline projects. Subcontractors are often responsible for sourcing approved disposal sites and documenting waste volumes. Poor planning can lead to site delays and regulatory penalties.
General Duty Clause
ComplianceA provision in occupational health and safety legislation requiring employers to protect workers from recognised hazards, even when no specific regulation exists. For subcontractors, this means you can be cited for unsafe conditions on site regardless of client-controlled environments. It applies to your workers whether you own the worksite or not.
CSB (Chemical Safety Board)
ComplianceA U.S. federal agency that investigates industrial chemical accidents and releases public safety findings. Subcontractors working on cross-border or U.S.-linked projects should monitor CSB reports for lessons learned. Their incident findings often influence Canadian safety standards and client HSE requirements.
Tier 2 Diesel Engine
ComplianceA diesel engine meeting EPA (Environmental Protection Agency) Tier 2 emissions standards, regulating nitrogen oxide and particulate output. Many job sites and municipalities restrict or ban Tier 2 equipment in favour of cleaner Tier 4 units. Subcontractors should verify equipment tier requirements before mobilising to avoid costly compliance issues or equipment swaps.
Cave-In
ComplianceThe sudden collapse of excavation walls or trench sides onto workers below. Under provincial OHS regulations, subcontractors must implement protective systems before personnel enter any excavation deeper than 1.2 metres. Failure to comply can result in work stoppages, fines, and serious liability exposure.
Regulatory Whiplash
ComplianceFrequent, rapid changes in government regulations that force subcontractors to repeatedly update compliance programmes, certifications, and field procedures. This creates unplanned costs and schedule disruptions on active worksites. Subcontractors often absorb these costs when contracts lack regulatory-change clauses.
Latest Compliance News
McElhattan Foundation Offering $1 Million Prizes to Eliminate Workplace Electrocutions
The McElhattan Foundation has extended deadlines for its Zero Electrocution Challenge, offering two $1 million grants for innovations that eliminate on-the-job electrical hazards. Registration closes Sept. 1, 2026.
20 hours ago ComplianceTexas RRC Hits Oil and Gas Operators With $1.1 Million in Enforcement Penalties
The Railroad Commission of Texas approved more than $1.1 million in fines at its latest open meeting, targeting operators across drilling, production, and pipeline operations. Field service companies working in Texas should take note.
20 hours ago ComplianceOSHA Sets August Hearings on 20+ Proposed Rule Rollbacks, Including Chemical and Fall Protection Standards
OSHA has scheduled virtual public hearings beginning August 19 on more than 20 proposed deregulatory rules, covering chemical exposure standards, respiratory protection, and fixed ladder safety systems. Subcontractors have until July 6 to register to testify.
2 days ago ComplianceTrench Safety Stand Down Set for June 15-19, Registration Now Open
The National Utility Contractors Association is hosting the Trench Safety Stand Down June 15-19, open to all employers doing trench and excavation work. Utility and pipeline subcontractors can register crews online now.
2 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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