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LS 6000 Scintillation System User’s Manual
PN 247971-F
e-2
Radioactive Material Licensing
(2) Shall assure that the device is tested for leakage of radioactive material and proper
operation of the on-off mechanism and indicator, if any, at no longer than six-month intervals
or at such other intervals as are specified in the label; however:
(i) Devices containing only krypton need not be tested for leakage of radioactive material,
and
(ii) Devices containing only tritium or not more than 100 microcuries of other beta and/or
gamma emitting material or 10 microcuries of alpha emitting material and devices held in
storage in the original shipping container prior to initial installation need not be tested for
any purpose;
(3) Shall assure that the tests required by paragraph (c)(2) of this section and other testing,
installation, servicing, and removal from installation involving the radioactive materials, its
shielding or containment, are performed;
(i) In accordance with the instructions provided by the labels; or
(ii) By a person holding a specific license pursuant to parts 30 and 32 of this chapter or from
an Agreement State to perform such activities;
(4) Shall maintain records showing compliance with the requirements of paragraphs (c)(2)
and (c)(3) of this section. The records must show the results of tests. The records also must
show the dates of performance of, and the names of persons performing, testing, installing,
servicing, and removing from the installation radioactive material and its shielding or
containment. The licensee shall retain these records as follows:
(i) Each record of a test for leakage or radioactive material required by paragraph (c)(2) of
this section must be retained for three years after the next required leak test is performed or
until the sealed source is transferred or disposed of.
(ii) Each record of a test of the on-off mechanism and indicator required by paragraph (c)(2)
of this section must be retained for three years after the next required test of the on-off
mechanism and indicator is performed or until the sealed source is transferred or disposed of.
(iii) Each record that is required by paragraph (c)(3) of this section must be retained for three
years from the date of the recorded event or until the device is transferred or disposed of.
(5) Upon the occurrence of a failure of or damage to, or any indication of a possible failure of
or damage to, the shielding of the radioactive material or the on-off mechanism or indicator,
or upon the detection of 0.0005 microcurie or more removable radioactive material, shall
immediately suspend operation of the device until it has been repaired by the manufacture or
other person holding a specific license pursuant to parts 30 and 32 of this chapter or from an
Agreement State to repair such devices, or disposed of by transfer to a person authorized by a
specific license to receive the by-product material contained in the device and, within 30
days, furnish to the Administrator of the appropriate Nuclear Regulatory Commission,
Regional Office listed in appendix D of part 20 of this chapter, a report containing a brief
description of the event and the remedial action taken;
(6) Shall not abandon the device containing by-product material;
- LS 6000 Series 1
- Table of Contents 3
- Introduction 11
- Principles of Operation 12
- Operating the Instrument 12
- Operating Modes 13
- 1.3 Specifications 14
- Precautions and Limitations 15
- Figure 1.1 Standard Vial 15
- Miniature Vials 16
- 1.5 Hazards 17
- Maintenance 18
- Getting Started 19
- 2.2 Power Failure 21
- 2.3 Operating Controls 21
- Operator Control Key pad 22
- Using the Operating Controls 24
- 2.4 Using the Racks 25
- Using the Racks 26
- Setting Up the Racks 27
- 2.5 Preparing the Printer 29
- 2.6 System Setup 30
- Energy Scale 31
- Printer Paging 32
- Allow Interrupt Count 32
- System Setup 33
- Figure 2.9 RS232 Setup Menu 33
- Date/Time 35
- Auto DPM 35
- 2.7 Calibration 36
- Counting Samples 39
- Starting the Automatic Count 40
- Conducting Count Single Rack 41
- 3.4 Auto DPM 46
- 3.5 Multi-Task 47
- Interrupt Count in Multi-Task 48
- Multi-Task 50
- Interrupt Data 51
- Setting Up User Programs 59
- 4.2 Editing A User Program 61
- Editing A User Program 62
- Comments 65
- Counting Time 65
- Liquid or Xtal Scintillator 65
- Isotope 1 65
- Isotope 2 and Isotope 3 66
- Edit Other Parameters 67
- Counting Precision 69
- Background/Blank Subtraction 69
- Lum-Ex Correction 71
- Phase Monitor 72
- Low Level 72
- Low Count Reject 72
- Output Formats 72
- Count Data 75
- Raw Data 75
- Collecting Spectral Data 76
- 4.3 Copy User Program 77
- Copy User Program 78
- 5.2 CPM/Xtal CPM 80
- CPM/Xtal CPM 81
- Results for CPM/Xtal CPM 83
- 5.4 Auto DPM 85
- Setting Up Auto DPM 86
- Loading Samples for Auto DPM 86
- Results for Auto DPM 86
- Setting Up DPM 87
- 5.6 Xtal DPM 89
- Xtal DPM 90
- Setting Up Xtal DPM 91
- Loading Samples for Xtal DPM 92
- 5.7 DPM % of Reference 93
- Setting Up DPM % of Reference 94
- Xtal SL DPM % of Reference 95
- 5.9 Single Photon Monitoring 98
- Data Calculation 100
- Single Photon Monitoring 100
- Isotope/DPM Libraries 103
- Accessing the Isotope Library 104
- Printing the Isotope Library 104
- The Isotope Library 105
- Setup Menu 106
- PN 247971-F 108
- 5 minutes 109
- 6.2 Setting Up A Quench Curve 110
- Setting Up A Quench Curve 112
- Counting the Standards 114
- Editing Quench Curves 120
- Deleting A Quench Curve 124
- Manual Entry of Quench Curves 125
- 7.1 Chemiluminescence 127
- Interpretation of Results 128
- Reducing Single Photon Events 128
- 7.3 Two Phase Samples 129
- Procedures 131
- Analysis of Data 131
- H Counting Efficiency 132
- C Counting Efficiency 132
- Background 133
- Contamination 133
- Instrument Specifications 135
- Temperature Control Accessory 138
- Installation Requirements 139
- Electrical Requirements 140
- 0.5 to 1.0 m in 140
- Environment Requirements 142
- . Note that the output 144
- Datum IDs 146
- CHAPTER 1, PART 31 167
- Region I 170
- Region II 170
- Region III 170
- Region IV 170
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