China dangerous-goods road transport foundations key terms

An additional relevant hazard accompanying the principal transport hazard, which must not be ignored merely because another class appears first.

The verified substance or article information used to establish the actual applicable transport description rather than a guessed commercial-name association.

Suitability of materials or containment components together under actual conditions, not established solely by shared broad hazard class or mechanical fit.

Reduction of breathable oxygen by another gas, creating an asphyxiation hazard independently of whether the released gas is flammable.

Collection of released vapor under actual density, temperature, wind and confinement conditions, which cannot be ruled out by odor absence.

The actual condition and suitability of the complete containment closure, not restored merely by a readable label or complete document.

The stated mass of empty packaging, distinguished from its contents when applying the explicit definitions in a shipment calculation.

The combined contents and packaging mass under the relevant stated model, distinguished from net contents or package count alone.

The conditions and uses covered by the actual package approval, rather than permission for every material, filling amount or substituted component.

A mismatch between actual cargo and relevant records that requires proper verification and resolution rather than arbitrary relabeling or concealment.

The actual authorization applying to the transport undertaking and shipment, distinguished from an individual driver's motor-vehicle licence or qualification.

Material transfer conducted under the applicable procedure, suitable equipment and responsible oversight rather than an improvised sequence from another product.

Movement of liquid within containment that can affect vehicle dynamics, without itself establishing one universal permitted filling percentage.

An applicable control over the actual dangerous-goods movement, which is not cancelled by a navigation application or an empty road.

An unresolved condition such as mismatched quantity, missing authorization or equipment fault that prevents a record from demonstrating readiness.

A candid description of information not yet verified, supplied alongside useful known facts instead of an invented material identity or diagnosis.

An additional injured person created by exposure during an unsafe approach or unprotected rescue rather than the original incident alone.

A route through which a material can reach people or the environment, including drainage and vapor movement beyond the immediate package.

Transfer of legitimate records and actual observations to the authorized responders, clearly distinguishing confirmed facts from unresolved assumptions.

Appropriate evaluation of contaminated material for subsequent handling and classification rather than universal ordinary-rubbish disposal or invented blanket categorization.

The authorization attached to the actual motor-vehicle licence and vehicle classes, distinguished from every possible professional transport qualification or operating permission.

The applicable occupational authorization for the actual transport activity, which is not automatically supplied by possessing a motor-vehicle driving licence.

The permission and duties applying to the transport business, distinguished from the individual driver and the particular vehicle's documentation.

The distinction between shared national subject requirements and the actual local rules for a city or operating area, avoiding a false claim of complete local coverage.

A blind area not adequately visible through the available direct or assisted view, requiring appropriate current checks rather than an assumption that it is empty.

Attention locked onto a hazard or object that reduces awareness of the wider traffic situation and can interfere with choosing the intended path.

How readily a road user can be noticed in the actual environment, improved by suitable equipment but never guaranteeing that another person has seen them.

The actual ability to drive safely given fatigue, illness, substances and other factors, not established solely by possessing a licence or feeling confident.

The traction available under the actual tire, surface, load and motion conditions, shared among braking and steering demands rather than guaranteed by ABS.

A specified authorized vehicle value, distinguished from actual current mass and applied according to the exact rule or sign definition.