COSS Study Guide 2026

OSHA 1910.23(c)(11) states that portable ladders used to gain access to an upper landing surface must have side rails that extend at least 3 feet above that surface to provide a safe handhold for employees stepping on and off the ladder.

Explanation: When working as a COSS with a group, you should ensure that your group crosses only one line to reach a Position of Safety. This helps minimize the risks associated with multiple line crossings and ensures safer operations.

When calculating total hours worked for incident rates, only actual hours worked should be included. Time off, such as paid vacation, sick leave, or holidays, is not included in the calculation. Hours worked by temporary or salaried employees are included.

Explanation: According to safety regulations, employers are required to evaluate each powered industrial truck operator's performance at least once every three years. This evaluation ensures that operators maintain their skills and competence in operating powered industrial trucks safely, reducing the risk of accidents in the workplace.

The OSHA Form 300A is the annual summary form. It contains the total number of cases, days away, and other summary data from the OSHA 300 Log. Per 29 CFR 1904.32, this summary must be certified by a company executive and posted from February 1 to April 30 of the year following the year it covers.

OSHA 29 CFR 1910.132(d) requires the employer to assess the workplace to determine if hazards are present that necessitate the use of PPE.