ACTAR Study Guide 2026

Regardless of experience level or specific role, PPE must be properly fitted to the individual, regularly maintained in good condition, and replaced when worn or damaged. Improperly fitted or degraded PPE can provide a false sense of security.

Organized, dated, and signed records demonstrate systematic compliance with regulatory requirements. Proper documentation serves as evidence during audits, protects against liability, and shows a pattern of consistent adherence to standards.

Crush analysis involves meticulously measuring the deformation and damage to vehicles involved in a collision. By quantifying the extent and pattern of this crush, reconstructionists can estimate the energy absorbed during the impact. This allows them to determine the severity of the collision and the forces involved, providing insights into impact speeds and dynamics.

Electronic documentation must meet the same standards for accuracy, completeness, and security as paper records. Additionally, electronic systems must include appropriate access controls, backup procedures, and audit trails.

Measuring wheels or tape measures are commonly used to accurately determine the length of skid marks at a crash scene. The length of these marks is a crucial piece of data used in established formulas to estimate the vehicle's speed prior to braking, which is fundamental for crash reconstruction.

A scaled scene diagram is essential in crash reconstruction because it provides an accurate, proportional representation of the crash site. This allows investigators to precisely map out the positions of vehicles, evidence, and other relevant features, which is crucial for detailed analysis and understanding the dynamics of the collision.