This listing is for one new-in-box XG-1684 Spark Gap Tube containing Cs-137.
The XG-1684 Spark Gap Tube can be used as a calibration source for gamma spectroscopy.
Markings on the boxes indicate they were manufactured from 1982 to 1986. At the time of manufacture, XG-1684 Spark Gap Tubes contained less than one microcurie of Cs-137.
You will receive the most recently manufactured spark gap tube.
This listing meets the requirements of NRC 10 CFR 40.22
It also meets U.S.P.S domestic shipping requirements for exempt limited quantities of class 7 materials according to –347.22 “are eligible under 49 CFR to be shipped as excepted packages for limited quantities” and –Exhibit 347.22 Activity Limits– and also –173.435– Table of A1 and A2 values
Geiger counter not included.
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