Forms 5A and 5B are used as supplements to Forms 5 and 10 for sources subject to the toxic air pollutant requirements. Form 6 is used for air pollution control equipment. Brief instructions for completing these forms are presented below. This is the general application form for all equipment capable of creating air pollution and which is not an air pollution device, an incinerator, or a boiler. A Form 6 is required for any control device associated with the equipment described in Form 5.
Information is indicated in the appropriate blanks on the form.
Additional comments on certain items of Form 5 follow. Item 12 requests information on stacks. If the source is subject to the toxic air pollutant requirement, one Form 5B will be used for each stack and Item 12 may be left blank. For other sources, this item should be completed as indicated. In some cases, it may be necessary to use additional pages to provide an adequate level of detail.