D
–
12
Leak Testing
Unless specified otherwise by your license or state
regulations
, the gauge must be leak tested at intervals not
exceeding 12 months to ensure the integrity of the radioactive
source encapsulation. Sample analysis must be performed by a
licensed laboratory only.
Using the Troxler Model 3880 Leak Test Kit (PN 102868) and
accompanying instructions, perform the following procedure:
WARNING!
Ensure that the source rod is in the SAFE position
(see Figure 8 on page 3
1
1
.
.
Write the date, gauge model number, and serial number on
the sample form and label.
2
2
.
.
Remove the control panel from the gauge topshell. Locate
the yellow radiation label on the top surface of the base.
3
3
.
.
Holding the wipe disk with the tongs, wipe the radiation
label.
4
4
.
.
Turn the gauge on its side and locate the opening where the
source rod extends through the gauge base.
5
5
.
.
Holding the wipe disk with tongs, wipe the area around and
inside the opening where the source rod extends from the
gauge base.
6
6
.
.
Pack the disk, as instructed, in the envelope and mail to
Troxler Electronic Laboratories, Inc. for analysis.
7
7
.
.
Secure the gauge properly.
Summary of Contents for RoadReader 3430
Page 14: ...1 6 Figure 1 Model 3440 Gauge and Accessories...
Page 19: ...Model 3440 2 3 Figure 2 Direct Transmission Geometry Figure 3 Backscatter Geometry...
Page 20: ...2 4 Figure 4 Backscatter Surface Density Effects Top Layer Effect Curves...
Page 22: ...2 6 Figure 5 Effect of Moisture on Depth of Measurement...
Page 164: ...F 2 STANDARD COUNT LOG Gauge Serial Number _____________ Date MS DS Date MS DS...
