An unplanned release of a hazardous substance — liquid, gas, or solid — from piping, vessels, or equipment. For subcontractors, an LOC incident can trigger immediate work stoppages, site investigations, and liability exposure. Proper reporting and response procedures are typically required under your prime contractor agreement.
Loss of Containment
Related Terms
Ministry of Labour (mol)
ComplianceProvincial government body that enforces workplace health, safety, and employment standards on job sites. MOL inspectors can issue stop-work orders, fines, or charges against subcontractors found in violation. Field crews must maintain compliant safety programs and documentation at all times.
STEP (Safety Training Evaluation Process)
ComplianceA benchmarking programme that evaluates a subcontractor's safety training systems against industry standards. Operators often require a valid STEP rating before awarding field contracts. Higher ratings signal lower risk and can improve your bid competitiveness.
Jones Act Waiver
ComplianceA temporary federal exemption allowing foreign-flagged vessels to transport cargo between U.S. ports. Subcontractors may encounter this during emergency offshore operations or disaster response work. Waivers affect vessel availability, crewing rules, and subcontract scope on marine projects.
Performance Bond
ComplianceA surety bond guaranteeing a subcontractor will complete work per contract terms. If you default, the bond compensates the prime contractor or owner. Bonding capacity directly affects your ability to bid larger contracts.
CMMC (Cybersecurity Maturity Model Certification)
ComplianceA U.S. Department of Defence framework requiring contractors to meet specific cybersecurity standards before bidding on federal contracts. For field subcontractors, it means your digital systems, devices, and data handling practices must pass a formal audit. Without certification, you may be disqualified from certain government-linked oil and gas or construction projects.
Underground Utility Strike
ComplianceAn accidental hit to a buried line — gas, electric, telecom, or water — during excavation or drilling. Subcontractors are typically liable for damages, work stoppages, and injuries if proper locates weren't completed. Always confirm valid BC One Call or Alberta One-Call tickets before breaking ground.
Latest Compliance News
Red Seal $5,000 Completion Bonus Portal Opens Nov. 16
Canadian journeypersons certified in a Red Seal trade on or after April 1, 2025 can apply for a $5,000 federal bonus starting Nov. 16, 2026. Here is what employers should prepare now.
2 days agoComplianceTraffic Exposure Was the Top Hazard on Caltrans LA Tunnel Relighting
On Aldridge Electric's I-405/I-105 tunnel relighting in Los Angeles, traffic breaches drove the safety plan. Here is what electrical and traffic control subs can take from it before bidding live-traffic work.
4 days agoComplianceFinning Fined $155K After 2023 Loader Injury Near Fort McMurray
Finning International pleaded guilty to an Alberta OHS Code count after a worker was struck by a moving loader in 2023. The $155,000 creative sentence funds third-party-site safety training.
5 days agoComplianceMIOSHA Cites MDOT Over Lane Closure in Fatal U.S. 127 Crash
MIOSHA found MDOT failed to close a lane during a rolling pothole repair on U.S. 127 where two road workers died in May. Highway maintenance subs should review their own moving-operation traffic control.
7 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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