Worker has certificate for powder actuated tools.
Okland
Subpart I (9-10) pg 33
9. Employees who utilize power or gas actuated tools shall be trained and certified in the safe operation of the specific tool being utilized and shall follow the requirements stipulated in the training.
10. Employees shall have certification cards on their person at all times while operating powder or gas actuated tools.
OSHA
1926.302(e)(1)
