ASTM (American Society for Testing and Materials)

A regulatory classification used by MSHA to flag violations that could reasonably cause serious injury or illness. S&S citations carry higher fines and greater scrutiny for subcontractors working on mine sites. Accumulating S&S violations can jeopardise a subcontractor's site access and future contract eligibility.

A work-related injury or illness that meets specific criteria requiring formal logging under OSHA regulations, including cases involving days away from work, restricted duties, medical treatment beyond first aid, or loss of consciousness — a metric that directly affects a subcontractor's safety record and can impact their eligibility for future contracts with operators and prime contractors.

Frequent, 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.

A government's legal right to seize private land for public use, with compensation paid to owners. For subcontractors, it can trigger sudden project delays or site access changes. Always confirm right-of-way status before mobilising crews or equipment.

A formal document a subcontractor files to participate in a regulatory hearing affecting their work or contracts. It establishes your legal standing to present evidence or raise concerns. Missing the filing deadline can strip your right to contest decisions impacting your operations.

An unplanned event that did not result in injury or damage but had the potential to do so. Subcontractors are typically required to report near misses to the prime contractor or site owner. Failing to report can jeopardise your safety record and standing on site.

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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.