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NRC November 1, 1991 Status of Well logging Sources

Enclosure 2 - Logging Sealed Sources Approved Under Generic Exemption

Comprobe, Inc.
     Gulf Nuclear, Inc. CSV Sealed Source
Comprobe, Inc.
     Gamma Industries (Gammatron) AN-HP Source

1203 Density Probe

2103 Density Probe

E.I. Dupont De Numours & Co.
     (New England Nuclear)

NER-572, NER-582

Gamma Industries
     (General Nuclear, Inc.)
Gamma Industries
     (General Nuclear, Inc.)
Gamma Industries
Gamma Industries
     (General Nuclear, Inc.)
Gamma Industries

CS-1000 (HP)

GNI-NB (HP)

NB (HP)
NHP-A-#

WLG-1

Gammatron
    (Nuclear Sources and Services, Inc.)
Gammatron
    (Nuclear Sources and Services, Inc.)
Gammatron
    (Nuclear Sources and Services, Inc.)
Gammatron
    (Nuclear Sources and Services, Inc.)
Gammatron
    (Nuclear Sources and Services, Inc.)

AN-HP

AN-HPG, RN-HP

DA-20

DA-5

GT-GHP

Gulf Nuclear, Inc.
     (NEEI)
Gulf Nuclear, Inc.
     (NEEI)
Gulf Nuclear, Inc.
     (NEEI)
Gulf Nuclear, Inc.
     (NEEI)

AMBE-71-2A

C-73-2

CS-2

CSV

Parkwell Laboratories, Inc.
     (US Nuclear)

PL-104

Notes:  When a sealed source is contained (and normally stored) within a device (logging tool), the sealed source manufacturer and model number is shown below the entry.  When NRC has been able to determine that a sealed source model was manufactured/distributed by another company, or more than one model designation may have been used, this information is shown in parenthesis below the entry.  Neutron generators are shown by the designation "Nu Gen".  An asterisk (*) indicates that the source is used within the logging tool's electronics package.

Effective May 17, 2000, the above temporary generic exemption became formally incorporated into the NRC regulations.  See the NRC Federal Register Notice of April 17, 2000.

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