Hazardous Mataterial - Recognizing and Identifying the Hazards No. 2 Questions taken from Jones & Bartlett Fundamentals of Fire Fighter Skills (3rd Edition) Progress Indicator: Question 2 of 20 2.  Schedule of maintenance. -- If the equipment is approved with a non-disposable diesel particulate filter, a smoke dot test of the filtered exhaust must be performed at this time.  The results of the smoke dot test shall be recorded on the 100-hour emissions form.  If the interpreted smoke dot number ________________, the technical advisory committee shall be notified and shall investigate to determine if the filter is functioning properly.  [418(20)] Choices: is greater than two is greater than three is greater than four is greater than five