
COMPASS-EI–Manual – Chapter 2 Page 14
devices that are associated with the selected Source ID. Double clicking in the gray area of a
window brings up a data entry screen to add items.
Clicking on the Edit button will provide a Detail or data entry screen for the highlighted row of
the Control Device list. Clicking on the Add button will provide a data entry screen to add a new
Control Device for the selected Source and Point.
2.4.1 NY–Control Devices
Because the CALCS module stores information about Sources and the methods for calculating
emissions from them, it is important to ensure that all of the parameters about Control devices in
EI are correct and up-to-date. Custom functions are explained below.
Control devices are edited on a detail screen, like other types of equipment. Each control device
record, referred to as a CIN or Control Identification Number, is a device plus its relationship to
a Source, Point, and (optionally) another device. There are two ways to edit CIN information,
depending on the type of data to be added or changed. To edit control efficiencies for
contaminant categories, such as VOC or TS”, double-click on any CIN in the Control Devices
window on the EI main screen. Then using the vertical scroll bar or up/down arrows, move to the
row that appears on the screen that corresponds to the CIN, Source, and Point that are involved
in the emissions that are controlled. Control efficiencies may be changed or added in this screen.
To edit control efficiencies for contaminant categories and/or other detailed information about a
control device, such as its up time or inspection schedule, single-click on the Source in the
Sources window on the EI main screen, then double-click on the CIN in the Control Devices
window for which data will be changed or added. Users will then be able to modify information
on a Detail screen, as shown in Figure 2.7.
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