TDG (Transportation of Dangerous Goods)

The cumulative sleep loss built up over successive long shifts or rotations. Workers carrying sleep debt show impaired judgement and slower reaction times. It is a recognised fatigue risk factor under worksite safety regulations.

A requirement by project owners to source goods and services from Indigenous-owned businesses. Subcontractors on major oil & gas or construction projects may need to meet minimum Indigenous spend targets. This can affect how you select suppliers, vendors, and labour providers on site.

A substance or condition that can cause fire, explosion, or violent reaction when exposed to heat, air, water, or other chemicals. Subcontractors must identify these hazards during site orientations and follow the operator's safe handling procedures. Failure to do so can trigger immediate work stoppages or removal from site.

A U.S.-based non-profit that develops safety research, training materials, and hazard guides used widely across North American job sites. Subcontractors often reference CPWR toolbox talks and fall protection resources to meet compliance requirements. Their free publications can support your crew orientations and site safety plans.

A government-imposed cost on greenhouse gas emissions, typically applied per tonne of CO2 equivalent. Subcontractors may face carbon charges on fuel, equipment operation, and fleet usage. These costs can affect project bids and operating margins if not factored into quotes.

An international standard for identifying and communicating chemical hazards through standardised labels and Safety Data Sheets (SDS). Subcontractors must ensure all hazardous products on site are GHS-compliant and that workers are trained to read labels and SDS documents. Non-compliance can result in site removal or regulatory fines.

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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.

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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.

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Learn which MSA clauses actually matter for oilfield subcontractors: indemnity, insurance, payment terms, and change orders. Know what you're signing.