tube number manufacturer tube description isotope activity

Tube Number Manufacturer Tube Description Isotope Activity

0A2 Raytheon Voltage Regulator Co-60 0.2 µCi

0A2WA/6626 Voltage Regulator Ra-226 6 µCi

0A2WA/6626

Voltage Regulator Ra-226 0.005 µCi

0A2WA/6626 CBS Hytron Voltage Regulator Ni-63 0.5 µCi

0A2WA/6626 English Elec. Valve Voltage Regulator U-238 0.1 µCi

0A2WA/6626 Tung-Sol Voltage Regulator Ni-63 Unknown

0A2WA/6626 Raytheon Voltage Regulator Co-60 0.2 µCi

0A3 Sylvania Voltage Regulator Co-60 1.0 µCi

0B2 Raytheon Voltage Regulator Co-60 0.2 µCi

0B2WA/6627 English Elec. Valve Voltage Regulator U-238 0.1 µCi

0B2WA/6627 Raytheon Voltage Regulator Co-60 0.2 µCi

0B2WA/6627 Heintz & Kaufman Voltage Regulator Ra-226 6.0 µCi

0C3 Sylvania Voltage Regulator Co-60 1.0 µCi

0C3W Sylvania Voltage Regulator Co-60 1.0 µCi

003-2 Amperex Voltage Regulator Unknown

Unknown

1B22 Bomac Spark-Gap Radar Modulator Co-60 0.25 µCi

1B22 Western Electric Spark-Gap Radar Modulator Ra-226 Unknown

1B23 Central Electron. Spark-Gap Switch Co-60 1.0 µCi

1B24A Bomac Transmit-Receive Switch Co-60 0.15 µCi

1B24A General Electric Transmit-Receive Switch Co-60 0.475 µCi

1B24A Microwave Assoc. Transmit-Receive Switch Co-60 0.5 µCi

1B24A Omni-Wave Transmit-Receive Switch Co-60 0.23 µCi

1B24A Sylvania Transmit-Receive Switch Co-60 1.0 µCi

1B24A Westinghouse Transmit-Receive Switch Ra-226 2.0 µCi

1B24A Metcom Transmit-Receive Switch Co-60 Unknown

1B26 Bomac Transmit-Receive Switch Co-60 0.15 µCi


1B35 Westinghouse Anti-Transmit-Receive Switch Ra-226 >4.3 µCi

1B35A Bomac Anti-Transmit-Receive Switch Co-60 0.3 µCi

1B35A General Electric Anti-Transmit-Receive Switch Co-60 0.95 µCi

1B35A Sylvania Anti-Transmit-Receive Switch Co-60 1.0 µCi

1B37A Bomac Anti-Transmit-Receive Switch Co-60 0.3 µCi

1B37A General Electric Anti-Transmit-Receive Switch Co-60 0.95 µCi

1B37A Sylvania Anti-Transmit-Receive Switch Co-60 1.0 µCi

1B38 Western Electric Pre-Transmit-Receive Switch Co-60 0.475 µCi

11339 Bomac Gas Switching Co-60 0.3 µCi

1B41 Bomac Spark Gap Radar Modulator Co-60 0.25 µCi

1B41 Western Electric Spark Gap Radar Modulator Ra-226 1.0 µCi

1B41 Westinghouse Spark-Gap Radar Modulator Ra-226 Unknown

1B42 Machlett Spark-Gap Radar Modulator Ra-226 1.0 µCi

1B44 Bomac Anti-Transmit-Receive Switch Co-60 0.3 µCi

1B44 General Electric Anti-Transmit-Receive Switch Co-60 0.475 µCi

1B44 Sylvania Anti-Transmit-Receive Switch Co-60 1.0 µCi

1B45 Bomac Spark Gap Radar Modulator Co-60 0.25 µCi

1B45 Western Electric Spark Gap Radar Modulator Ra-226 2.0 µCi



1B53 Bomac Anti-Transmit-Receive Switch Co-60 .3 µCi

1B54 Bomac Pre-Transmit-Receive Switch Co-60 0.3 µCi



1B56 General Electric Anti-Transmit-Receive Switch Co-60 0.475 µCi

1B56 Sylvania Anti-Transmit-Receive Switch Co-60 1.0 µCi

1B58A/6117 Bomac Transmit-Receive Switch Co-60 0.1 µCi

1B58A/6117 General Electric Transmit-Receive Switch Co-60 0.475 µCi

1B58A/6117 Microwave Assoc. Transmit-Receive Switch Co-60 0.5 µCi

1B58A/6117 Sylvania Transmit-Receive Switch Co-60 1.0 µCi

1B59/R1130B Sylvania Cold-Cathode FAX Unknown

Unknown



1B60 Westinghouse Transmit-Receive Switch Ra-226 2.0 µCi

1B63A Microwave Assoc. Fixed Tuned Gas Switchina., Co-60 0.7-10 µCi

1B63A,B Bomac Transmit-Receive Switch Co-60 0.15 µCi

1B63A,B General Electric Transmit-Receive Switch Co-60 0.475 µCi

1B63A,B Microwave Assoc. Transmit-Receive Switch Co-60 0.5 µCi

1B63A,B Sylvania Transmit-Receive Switch Co-60 1.0 µCi

1C21/5823 Sylvania Cold-Cathode Triode Relay Kr-85 0.002 µCi

1Z2 Chatham Rectifier Th-232 Unknown

3B24WA RCA Radar Transmitting Rectifier Th-232 0.15 µCi

3CX3000 Varian Power Triode Th-232 Unknown

12AT7 Phillips High-mu Dial Triode Re-187 .1 µCi

12AX7/575I

Duotriode Unknown

Unknown

290-1343-PI Raytheon Co-60 0.8 µCi

313C Western Electric Double-Gap Cold-Cathode Triode Kr-85 0.5 µCi

313C Western Electric Double-Gap Cold-Cathode Triode Ra-226 0.05 µCi

313CA Western Electric Double-Gap Cold-Cathode Triode Kr-85 0.5 µCi

313CA Western Electric Double-Gap Cold-Cathode Triode Ra-226 0.05 µCi

313CB Western Electric Double-Gap Cold-Cathode Triode Kr-85 Unknown

313CC Western Electric Double-Gap Cold-Cathode Triode Ra-226 0.01 µCi

313CC Western Electric Double-Gap Cold-Cathode Triode Kr-85 0.5 µCi

313D Western Electric Double-Gap Cold-Cathode Triode Kr-85 0.50 µCi

346B Western Electric Cold-Cathode Triode Ra-226 1.0 µCi

346C Western Electric Cold-Cathode Triode Kr-85 4.5 µCi

353A Western Electric Cold-Cathode Triode Kr-85 0.5 µCi

353A Western Electric Cold-Cathode Triode Ra-226 0.01 µCi

357 Bomac Co-60 Unknown

358A Western Electric Cold-Cathode Indicator Kr-85 0.05 µCi

359A Western Electric Cold-Cathode Relay Kr-85 0.5 µCi


371B EEC Diode Rectifier Th-232 0.15 µCi

372A Western Electric Cold-Cathode Voltage Regulator Ra-226 Unknown

376A Western Electric Cold-Cathode Voltage Regulator Ra-226 Unknown

376A Westinghouse Kr-85 4.0 µCi

376B Western Electric Cold-Cathode Voltage Regulator Ra-226 1.0 µCi

376C Western Electric Cold-Cathode Voltage Regulator Kr-85 1.2 µCi

412A AT&T Full-Wave Rectifier Unknown

Unknown

412A Western Electric Full-Wave Rectifier Unknown

Unknown

413* Anton C-14 1.0 µCi

413A Western Electric Cold-Cathode Relay Ra-226 1.0 µCi

413B Western Electric Cold-Cathode Relay Kr-85 4.4 µCi

414 Anton C-14 1.0 µCi


423A/6140 Western Electric Cold-Cathode Voltage Regulator Ra-226 0.01 µCi

423C Western Electric Cold-Cathode Voltage Regulator Kr-85 4.5 µCi


426A Western Electric Cold-Cathode Ringer Kr-85 2.0 µCi

427A/6141 Western Electric Cold-Cathode Kr-85 4.0 µCi

430A Western Electric Cold-Cathode Ra-226 Unknown

430B Western Electric Cold-Cathode Kr-85 4.5 µCi

430C Western Electric Cold-Cathode Kr-85 >15 µCi

432B Western Electric Cold-Cathode Voltage Reference Kr-85 4.5 µCi

439A/6167 Western Electric Gas Discharge Stepping Kr-85 0.5 µCi

446A Western Electric Cold-Cathode Kr-85 0.1 µCi

447A Western Electric Cold-Cathode Indicator Kr-85 0.1 µCi


458A Western Electric Voltage Surge Protector Ra-226 1 µCi

471A General Electric Voltage Surge Protector Unknown

Unknown



721B Bomac Double-Gap Gas Switch Co-60 0.15 µCi

724B Bomac Transmit-Receive Switch Co-60 0.15 µCi

809 RCA Transmitting Triode Th-232 0.15 µCi

1960/30Z RCA Gas Switching Unknown

Unknown

5027 Ra-226 0.26 µCi

5651WA/STV85

Neon Voltage Reference Ra-226 0.005 µCi

5651WAYSTV85 Raytheon Neon Voltage Reference Co-60 0.2 µCi

5682 Machlett Transmitting Triode Th-232 0.13 µCi

5751/12AX7

Duotriode Unknown

Unknown

5783WA/M8190/85A3

Raytheon Voltage Reference Co-60 0.2 µCi

5787 Raytheon Voltage Regulator Co-60 0.2 µCi

5787WA Raytheon Voltage Regulator Co-60 0.2 µCi

5787WB Raytheon Voltage Regulator Co-60 0.2 µCi

5790/X7108 Sylvania Transmit-Receive Switch Co-60 1.0 µCi

5791/Z6007 Sylvania Anti-Transmit-Receive Switch Co-60 1.0 µCi

5792/ATR345 Bomac Anti-Transmit-Receive Switch Co-60 0.3 µCi

5792/ATR345 Sylvania Anti-Transmit-Receive Switch Co-60 1.0 µCi



5823/1C21 Sylvania Cold-Cathode Triode Relay Kr-85 0.002 µCi

5853/1C21 Bomac Transmit-Receive Switch Co-60 0.3 µCi

5853/TR368 Bomac Transmit-Receive Switch Co-60 0.3 µCi


5853/TR368 Microwave Assoc. Transmit-Receive Switch Co-60 0.5 µCi

5853/TR368 Sylvania Transmit-Receive Switch Co-60 1.0 µCi

5863/X7109 Bomac Transmit-Receive Switch Co-60 0.15 µCi

5863/X7109 Sylvania Transmit-Receive Switch Co-60 1.0 µCi





5883 Litton Anti-Transmit-Receive Switch Co-60 1.0 µCi

5921 Bomac Anti-Transmit-Receive Switch Co-60 0.3 µCi

5922 Bomac Anti-Transmit-Receive Switch Co-60 0.3 µCi

5927 Bomac Transmit-Receive Switch Co-60 0.4 µCi

5939 Westinghouse Pre-Transmit-Receive Switch Ra-226 3.3 µCi

5939A Bomac Pre-Transmit-Receive Switch Co-60 0.3 µCi

5939A Pre-Transmit-Receive Switch Ra-226 3.3 µCi

5962 Voltage Regulator C-14 10.0 µCi

5962/8S-101/C1K1017

Anton Voltage Regulator C-14 1.0 µCi

5962/BS-101/CK1017 Electronic Products Voltage Regulator Ni-63 3.0 µCi


6024/ATR387A Bomac Anti-Transmit-Receive Switch Co-60 0.3 µCi




6083/AX9909 Bomac Transmitting Pentode Co-60 0.3 µCi

6117/1B58 Bomac Transmit-Receive Switch Co-60 0.4 µCi

6117/1B58 General Electric Transmit-Receive Switch Co-60 0.475 µCi

6117/1B58 Microwave Assoc. Transmit-Receive Switch Co-60 0.5 µCi

6117/1B58 Sylvania Transmit-Receive Switch Co-60 1.0 µCi

6140/423A Western Electric Cold-Cathode Voltage Reference Kr-85 4.5 µCi

6141/427A Western Electric Cold-Cathode Voltage Regulator Kr-85 4 µCi

6141/427A Westinghouse Voltage Regulator Unknown

Unknown

6162 Varian Anti-Transmit-Receive Switch Co-60 0.7 µCi



6163/ATR428 Microwave Assoc. Anti-Transmit-Receive Switch Co-60 0.25 µCi


6167/439A Western Electric Gas Discharge Stepping Kr-85 0.5 µCi

6213/VXR130 Raytheon Voltage Regulator Co-60 0.2 µCi


6232/TR437 Central Electric Transmit-Receive Switch Co-60 1.0 µCi


6232/MA-316 Microwave Assoc. Transmit-Receive Switch Co-60 0.5 µCi

6249A/QK349 Raytheon Magnetron Co-60 0.16 µCi

6260 Westinghouse Anti-Transmit-Receive Switch Ra-226 2.0 µCi

6322/BL-25 Transmit-Receive Switch Co-60 1.15 µCi

6334/BL-27 Central Electric Transmit-Receive Switch Co-60 1.0 µCi

6334/BL-27 Microwave Assoc. Transmit-Receive Switch Co-60 0.25 µCi

6334/BL-27 Sylvania Transmit-Receive Switch Co-60 1.0 µCi

6359 Gas Noise Source Ra-226 0.06 µCi

6376,A Fission Counter U-235 95 µCi

6378/BL-62 Bomac Transmit-Receive Switch Co-60 0.15 µCi

6396/BL-650 Bomac Anti-Transmit-Receive Switch Co-60 0.3 µCi

6396/BL-650 Sylvania Anti-Transmit-Receive Switch Co-60 1.0 µCi

6542/CK1045 Voltage Regulator Ra-226 0.05 µCi

6542/CK1045 Raytheon Voltage Regulator Co-60 0.20 µCi



6560/NIA-375A Microwave Assoc. Transmit-Receive Switch Co-60 0.4 µCi

65641BL-71 Bomac Dual Transmit-Receive Switch Co-60 0.25 µCi

65681BL-28 Bomac Transmit-Receive Switch Co-60 0.15 µCi

6627/0B2WA RETMA Voltage Regulator Unknown

Unknown

6628/BL-38 Ra-226 0.55 µCi

6633/BL-37A Bomac Transmit-Receive Switch Co-60 0.7 µCi



6640BL-60 Bomac Dual Transmit-Receive Switch Co-60 0.25 µCi

6641/BL-95 Bomac 'Transmit-Receive Switch Co-60 0.15 µCi

6890/BL-650 Bomac Anti-Transmit-Receive Switch Co-60 0.3 µCi

6941,A Neutron Counter U-235 23 µCi

6962/BL-665 Bomac Co-60 0.6 µCi


6971,A Fission Counter U-235 21 µCi

7099

Voltage Regulator Ra-226 0.003 µCi

7166 Microwave Assoc. Microwave Reference Cavity Co-60 <1.0 µCi

7166/BL-933 Bomac Microwave Reference Cavity Co-60 0.7 µCi


7186,7187,7188 Fission Counter U-235 47 µCi

7381 Bomac Dual Transmit-Receive Switch Co-60 0.25 µCi

7381NA-338A Microwave Assoc. Transmit-Receive Switch Co-60 0.4 µCi

7615/EP680 Electronic Products Ni-63 3.0 µCi

7615 Victoreen Ni-63 Unknown

7617 Co-60 1.5 µCi

7657 Counter Tube U-235 95 µCi

7988/TD-44 Gas Noise Source Ra-226 0.06 µCi

8059/TD-72 Gas Noise Source Ra-226 0.06 µCi

8073 Counter Tube U-235 95 µCi

8152/TD-40 Signalite Gas Noise Source Ra-226 0.06 µCi

8311/MDS56 H-3 3 mCi

8481 Omni-Wave Co-60 1.15 µCi

B-107A Ra-226 1 µCi

BL-25/6322 Transmit-Receive Switch Co-60 1.15 µCi

BL-26 Bomac Co-60 Unknown

BL-27/6334 Central Electric Transmit-Receive Switch Co-60 1.0 µCi

BL-27/6334 Microwave Assoc. Transmit-Receive Switch Co-60 0.25 µCi

BL-27/6334 Sylvania Transmit-Receive Switch Co-60 1.0 µCi

BL-28/6568 Bomac Transmit-Receive Switch Co-60 0.15 µCi



BL-37A/6633 Bomac Transmit-Receive Switch Co-60 0.7 µCi

BL-38/6628 Ra-226 0.55 µCi


BL-60/6640 Bomac Dual Transmit-Receive Switch Co-60 0.25 µCi


BL-71/6564 Bomac Dual Transmit-Receive Switch Co-60 0.25 µCi


BL-350 Bomac Co-60 0.15 µCi



BL-601 Bomac Co-60 Unknown


BL-650/6890 Bomac Anti-Transmit-Receive Switch Co-60 0.3 µCi

BL-650/6396 Sylvania Anti-Transmit-Receive Switch Co-60 1.0 µCi


BL-665/6962 Bomac Co-60 0.6 µCi



BL-933/7166 Bomac Microwave Reference Cavity Co-60 0.7 µCi

BS110 English Elec. Valve Transmit-Receive Switch H-3 150 µCi

BS172 English Elec. Valve Pre-Transmit-Receive Switch H-3 150 µCi

BS260 English Elec. Valve Transmit-Receive Limiter H-3 150 µCi









BS977 English Elec. Valve Transmit-Receive Limiter H-3 <1500 µCi

BS4111 English Elec. Valve Transmit-Receive Limiter H-3 150 µCi

BTR-692 Varian Pm-147 <30 µCi

CG2-230L C.P. Clare Gas Discharge Surge Arrester Ni-63 0.8 µCi

GL-6942 General Electric Unknow

n Unknown

GVIA Victoreen Corona Voltage Regulator Ni-63 <5 µCi

GV3A-1800 Victoreen Corona Voltage Regulator Ni-63 1.0 µCi



GV3S Victoreen Corona Voltage Regulator Ni-63 <5 µCi

GV4S Victoreen Corona Voltage Regulator Ni-63 <5 µCi



GV5C-300 Victoreen Corona Voltage Regulator Ni-63 1.0 µCi

GV5C-4000 Victoreen Corona Voltage Regulator Ni-63 1.0 µCi



KN-11B EG&G Sprytron Trigger Ni-63 <4 µCi

KN-2 EG&G Krytron Trigger Ni-63 <4 µCi


KN-25 EG&G Sprytron Trigger Ni-63 <4 µCi


KX-642 Westinghouse Voltage Arrester Ra-226 Unknown

KX-642 Westinghouse Voltage Arrester Kr-85 Unknown

M42C-9 Victoreen Corotron Ni-63 Unknown

MA-306 Microwave Assoc. Transmit-Receive Switch Co-60 1.0 µCi

MA-316/6232 Microwave Assoc. Transmit-Receive Switch Co-60 0.5 µCi


MA-331A,B Microwave Assoc. Transmit-Receive Switch Co-60 0.4 µCi


MA-337A Microwave Assoc. Transmit-Receive Switch Kr-85 50 µCi

MA-337A,B,C,D Microwave Assoc. Transmit-Receive Switch Co-60 0.4 µCi

MA-338A/7381 Microwave Assoc. Transmit-Receive Switch Co-60 0.4 µCi


MA-351, A,B,C,D,E Microwave Assoc. Transmit-Receive Switch Co-60 0.4 µCi




MA-378, A,B,C,D Microwave Assoc. Transmit-Receive Switch Co-60 0.4 µCi

MA-3859X Microwave Assoc. Transmit-Receive Switch H-3 50 mCi

MA-3959Z Microwave Assoc. Transmit-Receive Switch H-3 50 mCi

MA-3899Z Microwave Assoc. Transmit-Receive Switch H-3 50 mCi

MA-3976C Microwave Assoc. Transmit-Receive Switch H-3 50 mCi

MA-3993XS Microwave Assoc. Transmit-Receive Switch H-3 12.5 Ci

MA-32145 Microwave Assoc. Microwave Reference Cavity H-3 < 150 mCi

MD-80C17/32187 Micro-Dynamics, Inc.

TR Limiter H-3 Unknown

MPT-47 Omni-Wave Kr-85 25 µCi

MPT-248061 Omni-Wave Kr-85 25 µCi

OML-1003 Omni-Wave Anti-Transmit-Receive Switch Kr-85 50 µCi

QK-327 Raytheon Th-232 0.17 µCi

QK-338A Raytheon Magnetron Th-232 0.17 µCi

R-1131C Sylvania Crater Lamp Unknown

Unknown

R-1131C Westinghouse Crater Lamp Unknown

Unknown

TD-9A/6142 Bendix Gas Diode Voltage Regulator Ra-226 0.03 µCi

TD-19 Bendix Gas Diode Voltage Regulator Ra-226 0.03 µCi

TD-38 Bendix Ra-226 0.6 µCi


TD-40/8152 Bendix Gas Noise Source Ra-226 0.06 µCi

TD-40/8152 Signalite Gas Noise Source Ra-226 0.06 µCi




TD-44/7988 Bendix Gas Noise Source Ra-226 0.06 µCi








TD-61/5787 Bendix Voltage Regulator Ra-226 0.06 µCi






TD-68/6542 Bendix Voltage Regulator Ra-226 0.03 µCi


TD-72/8059 Bendix Microwave Noise Source Ra-226 0.06 µCi




TN-5 Bendix Ra-226 0.06 µCi








TG-19

Spark-Gap Cs-137 3.0-5.0 µCi

TG-25 Bendix 400V Overvoltage Spark-Gap Unknown

Unknown

TG-26 Bendix 750V Overvoltage Spark-Gap Unknown

Unknown

TG-27 Bendix 1.0 kV Overvoltage Spark-Gap Unknown

Unknown


Unknown


Unknown


Unknown

TG-39 CP Clare 2 Electrode Spark-Gap Tube Cs-137 < 1 µCi

TG-44 Electrical Surge Arrester Cs-137 0.9 µCi

TG-53 Signalite Overvoltage Spark-Gap Cs-137 < 5 µCi

TG-53 Electrical Surge Arrester Cs-137 0.9 µCi

TG-56 Bendix 20.0 kV Electrical Surge Arrester Cs-137 1 - 2 µCi

TG-57 Spark-Gap Cs-137 1 - 2 µCi

TG-60 Bendix 50 kV Overvoltage Spark-Gap Unknown

Unknown

TG-67 Bendix Spark-Gap Unknown

2.0 µCi

TG-100 CP Clare 2 Electrode Spark-Gap Tube Cs-137 < 1 µCi

TG-160 CP Clare 2 Electrode Spark-Gap Tube Cs-137 <5 µCi

TG-167 Signalite Overvoltage Spark-Gap Cs-137 0.4 µCi

VDC-1025 Pm-147 30 µCi

VDC-1029 H-3 35 µCi

VDK-1000A Pm-147 30 µCi

VDS-1011 Pm-147 70 µCi

VDS-1020 H-3 35 µCi

VDS-1032 H-3 35 µCi

VDV-1118 Transmit-Receive Switch H-3 30 mCi

VDX-1001A H-3 35 µCi

VDX-10I5 H-3 35 µCi

VDX-1017,E Pm-147 30 µCi

VDX-1031 Pm-147 30 µCi

VDX-1033 Pm-147 30 µCi

VDX-1035 H-3 35 µCi

VFX-9517 Surge Arrester Pm-147 30 µCi

VFX-9517 Surge Arrester Co-60 1 µCi

WD-160 Pm-147 10 µCi

WD-160 H-3 45 µCi

WD-191 Pm-147 10 µCi

WD-191 H-3 45 µCi

WL-759 Westinghouse Cold Cathode Relay Kr-85 0.2 µCi

XD-708 Ra-226 0.06 µCi

XD-751 Ra-226 0.06 µCi

XN-757 Ra-226 0.06 µCi

XD-764 Ra-226 0.06 µCi

XD-765 Ra-226 0.06 µCi

XD-860 Ra-226 500 µCi

XD-972 Ra-226 0.06 µCi

Z-1783 General Electric Unknow

n Unknown

122P224 Burroughs Nixie Numeric Display Unknown

Unknown

tube number manufacturer tube description isotope activity

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