XD-502 Digital Console
Apex Instruments, Inc.
24
3.3.1 Performing a Method 5 sampling test cont.
9. At the conclusion of each run, close the coarse valve and record the final readings (clock time and
final DGM volume).
Now the pump can be turned off and the probe can be removed from the stack. -
Once the probe has cooled down, conduct a leak check as described in Section 3.2.6 Sample -
train leak check procedure on page 22 of this manual or Section 8.4.4 of EPA Method 5 (this
check is mandatory). If a leak is detected, void the test run or use procedures acceptable by
the administrator to adjust the sample volume for the leakage.
10. Begin the sample train recovery.
Drain the ice bath. -
The nozzle, sample probe and front half of the filter holder (if applicable) should be rinsed into -
an appropriate container using the applicable solvents.
The filter media should be stored safely inside of its own container. -
The sample impingers may need to be recovered, but the weights or volumes should be -
measured first.
Follow the applicable EPA method for the remaining post-run sample recovery procedures. -
11. Export the data to a PC (optional)
- Use the dedicated software to export sample run data following each run, if desired
- Open the Storage tab and select the current run and press the Export Run button
- Make any additional notes in the window that pops up and select the Go! button
- Select the Done! button
- Select a place to save the data to on the PC
- Open the file in a notepad application to view data in a .CSV format or in a spreadsheet
application to view the data in a formatted layout
12. Perform all additional post-test procedures as indicated in the sampling method
3.3 Field Test Operations cont.
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