CFR > Title 28 - Judicial Administration > CHAPTER I—DEPARTMENT OF JUSTICE > PART 79—CLAIMS UNDER THE RADIATION EXPOSURE COMPENSATION ACT > SUBPART D—Eligibility Criteria for Claims by Onsite Participants (§79.30 to §79.36) > 79.31—Definitions.

79.31—Definitions.

(a) The definitions listed in § 79.11(b), (e), (f), (g), and (h), and in § 79.21, apply to this subpart.
(b) Atmospheric detonation of a nuclear device means only a test conducted by the United States prior to January 1, 1963, as listed in paragraph (d) of this section.
(c) First exposure or initial exposure means the date on which the claimant first participated onsite in an atmospheric detonation of a nuclear device.
(d) Period of atmospheric nuclear testing means one of the periods listed in this paragraph that are associated with each test operation, plus an additional six-month period thereafter:
(1) For Operation Trinity, the period July 16, 1945, through August 6, 1945:
Event name Date Location
Trinity 07/16/45 Trinity Test Site
(2) For Operation Crossroads, the period June 28, 1946, through August 31, 1946, for all activities other than the decontamination of ships involved in Operation Crossroads; the period of atmospheric nuclear testing for the decontamination of ships involved in Operation Crossroads shall run from June 28, 1946, through November 30, 1946:
Event name Date Location
Able 07/01/46 Bikini
Baker 07/25/46 Bikini
(3) For Operation Sandstone, the period April 13, 1948, through May 20, 1948:
Event name Date Location
X-ray 04/15/48 Enewetak
Yoke 05/01/48 Enewetak
Zebra 05/15/48 Enewetak
(4) For Operation Ranger, the period January 27, 1951, through February 7, 1951:
Event name Date Location
Able 01/27/51 Nevada Test Site (“NTS”)
Baker 01/28/51 NTS
Easy 02/01/51 NTS
Baker-2 02/02/51 NTS
Fox 02/06/51 NTS
(5) For Operation Greenhouse, the period April 5, 1951, through June 20, 1951, for all activities other than service as a member of the garrison or maintenance forces on the atoll of Enewetak between June 21, 1951, and July 1, 1952; the period of atmospheric nuclear testing for service as a member of the garrison or maintenance forces on the atoll of Enewetak shall run from April 5, 1951, through July 1, 1952:
Event name Date Location
Dog 04/08/51 Enewetak
Easy 04/21/51 Enewetak
George 05/09/51 Enewetak
Item 05/25/51 Enewetak
(6) For Operation Buster-Jangle, the period October 22, 1951, through December 20, 1951:
Event name Date Location
Able 10/22/51 NTS
Baker 10/28/51 NTS
Charlie 10/30/51 NTS
Dog 11/01/51 NTS
Sugar 11/19/51 NTS
Uncle 11/29/51 NTS
(7) For Operation Tumbler-Snapper, the period April 1, 1952, through June 20, 1952:
Event name Date Location
Able 04/01/52 NTS
Baker 04/15/52 NTS
Charlie 04/22/52 NTS
Dog 05/01/52 NTS
Easy 05/07/52 NTS
Fox 05/25/52 NTS
George 06/01/52 NTS
(8) For Operation Ivy, the period October 29, 1952, through December 31, 1952:
Event name Date Location
Mike 11/01/52 Enewetak
King 11/16/52 Enewetak
(9) For Operation Upshot-Knothole, the period March 17, 1953, through June 20, 1953:
Event name Date Location
Annie 03/17/53 NTS
Nancy 03/24/53 NTS
Ruth 03/31/53 NTS
Dixie 04/06/53 NTS
Ray 04/11/53 NTS
Badger 04/18/53 NTS
Simon 04/25/53 NTS
Encore 05/08/53 NTS
Harry 05/19/53 NTS
Grable 05/25/53 NTS
Climax 06/04/53 NTS
(10) For Operation Castle, the period February 27, 1954, through May 31, 1954
Event name Date Location
Bravo 03/01/54 Bikini
Romeo 03/27/54 Bikini
Koon 04/07/54 Bikini
Union 04/26/54 Bikini
Yankee 05/05/54 Bikini
Nectar 05/14/54 Enewetak
(11) For Operation Teapot, the period February 18, 1955, through June 10, 1955:
Event name Date Location
Wasp 02/18/55 NTS
Moth 02/22/55 NTS
Tesla 03/01/55 NTS
Turk 03/07/55 NTS
Hornet 03/12/55 NTS
Bee 03/22/55 NTS
Ess 03/23/55 NTS
Apple-1 03/29/55 NTS
Wasp Prime 03/29/55 NTS
Ha 04/06/55 NTS
Post 04/09/55 NTS
Met 04/15/55 NTS
Apple-2 05/05/55 NTS
Zucchini 05/15/55 NTS
(12) For Operation Wigwam, the period May 14, 1955, through May 15, 1955:
Event name Date Location
Wigwam 05/14/55 Pacific
(13) For Operation Redwing, the period May 2, 1956, through August 6, 1956, for all activities other than service as a member of the garrison or maintenance forces on the atoll of Enewetak from August 7, 1956, through August 7, 1957; the period of atmospheric nuclear testing for service as a member of the garrison or maintenance forces on the atoll of Enewetak shall run from May 2, 1956, through August 7, 1957:
Event name Date Location
Lacrosse 05/05/56 Enewetak
Cherokee 05/21/56 Bikini
Zuni 05/28/56 Bikini
Yuma 05/28/56 Enewetak
Erie 05/31/56 Enewetak
Seminole 06/06/56 Enewetak
Flathead 06/12/56 Bikini
Blackfoot 06/12/56 Enewetak
Kickapoo 06/14/56 Enewetak
Osage 06/16/56 Enewetak
Inca 06/22/56 Enewetak
Dakota 06/26/56 Bikini
Mohawk 07/03/56 Enewetak
Apache 07/09/56 Enewetak
Navajo 07/11/56 Bikini
Tewa 07/21/56 Bikini
Huron 07/22/56 Enewetak
(14) For Operation Plumbbob, the period May 28, 1957, through October 22, 1957:
Event name Date Location
Boltzmann 05/28/57 NTS
Franklin 06/02/57 NTS
Lassen 06/05/57 NTS
Wilson 06/18/57 NTS
Priscilla 06/24/57 NTS
Hood 07/05/57 NTS
Diablo 07/15/57 NTS
John 07/19/57 NTS
Kepler 07/24/57 NTS
Owens 07/25/57 NTS
Stokes 08/07/57 NTS
Shasta 08/18/57 NTS
Doppler 08/23/57 NTS
Franklin Prime 08/30/57 NTS
Smoky 08/31/57 NTS
Galileo 09/02/57 NTS
Wheeler 09/06/57 NTS
Laplace 09/08/57 NTS
Fizeau 09/14/57 NTS
Newton 09/16/57 NTS
Whitney 09/23/57 NTS
Charleston 09/28/57 NTS
Morgan 10/07/57 NTS
(15) For Operation Hardtack I, the period April 26, 1958, through October 31, 1958, for all activities other than service as a member of the garrison or maintenance forces on the atoll of Enewetak from November 1, 1958, through April 30, 1959; the period of atmospheric nuclear testing for service as a member of the garrison or maintenance forces on the atoll of Enewetak shall run from April 26, 1958, through April 30, 1959:
Event name Date Location
Yucca 04/28/58 Pacific
Cactus 05/06/58 Enewetak
Fir 05/12/58 Bikini
Butternut 05/12/58 Enewetak
Koa 05/13/58 Enewetak
Wahoo 05/16/58 Enewetak
Holly 05/21/58 Enewetak
Nutmeg 05/22/58 Bikini
Yellowwood 05/26/58 Enewetak
Magnolia 05/27/58 Enewetak
Tobacco 05/30/58 Enewetak
Sycamore 05/31/58 Bikini
Rose 06/03/58 Enewetak
Umbrella 06/09/58 Enewetak
Maple 06/11/58 Bikini
Aspen 06/15/58 Bikini
Walnut 06/15/58 Enewetak
Linden 06/18/58 Enewetak
Redwood 06/28/58 Bikini
Elder 06/28/58 Enewetak
Oak 06/29/58 Enewetak
Hickory 06/29/58 Bikini
Sequoia 07/02/58 Enewetak
Cedar 07/03/58 Bikini
Dogwood 07/06/58 Enewetak
Poplar 07/12/58 Bikini
Scaevola 07/14/58 Enewetak
Pisonia 07/18/58 Enewetak
Juniper 07/22/58 Bikini
Olive 07/23/58 Enewetak
Pine 07/27/58 Enewetak
Teak 07/31/58 Johnston Isl
Qunice 08/06/58 Enewetak
Orange 08/11/58 Johnston Isl
Fig 08/18/58 Enewetak
(16) For Operation Argus, the period August 25, 1958, through September 10, 1958:
Event name Date Location
Argus I 08/27/58 South Atlantic
Argus II 08/30/58 South Atlantic
Argus III 09/06/58 South Atlantic
(17) For Operation Hardtack II, the period September 19, 1958, through October 31, 1958:
Event name Date Location
Eddy 09/19/58 NTS
Mora 09/29/58 NTS
Quay 10/10/58 NTS
Lea 10/13/58 NTS
Hamilton 10/15/58 NTS
Dona Ana 10/16/58 NTS
Rio Arriba 10/18/58 NTS
Socorro 10/22/58 NTS
Wrangell 10/22/58 NTS
Rushmore 10/22/58 NTS
Sanford 10/26/58 NTS
De Baca 10/26/58 NTS
Humboldt 10/29/58 NTS
Mazama 10/29/58 NTS
Santa Fe 10/30/58 NTS
(18) For Operation Dominic I, the period April 23, 1962, through December 31, 1962:
Event name Date Location
Adobe 04/25/62 Christmas Isl
Aztec 04/27/62 Christmas Isl
Arkansas 05/02/62 Christmas Isl
Questa 05/04/62 Christmas Isl
Frigate Bird 05/06/62 Pacific
Yukon 05/08/62 Christmas Isl
Mesilla 05/09/62 Christmas Isl
Muskegon 05/11/62 Christmas Isl
Swordfish 05/11/62 Pacific
Encino 05/12/62 Christmas Isl
Swanee 05/14/62 Christmas Isl
Chetco 05/19/62 Christmas Isl
Tanana 05/25/62 Christmas Isl
Nambe 05/27/62 Christmas Isl
Alma 06/08/62 Christmas Isl
Truckee 06/09/62 Christmas Isl
Yeso 06/10/62 Christmas Isl
Harlem 06/12/62 Christmas Isl
Rinconada 06/15/62 Christmas Isl
Dulce 06/17/62 Christmas Isl
Petit 06/19/62 Christmas Isl
Otowi 06/22/62 Christmas Isl
Bighorn 06/27/62 Christmas Isl
Bluestone 06/30/62 Christmas Isl
Starfish 07/08/62 Johnston Isl
Sunset 07/10/62 Christmas Isl
Pamlico 07/11/62 Christmas Isl
Androscoggin 10/02/62 Johnston Isl
Bumping 10/06/62 Johnston Isl
Chama 10/18/62 Johnston Isl
Checkmate 10/19/62 Johnston Isl
Bluegill 10/25/62 Johnston Isl
Calamity 10/27/62 Johnston Isl
Housatonic 10/30/62 Johnston Isl
Kingfish 11/01/62 Johnston Isl
Tightrope 11/03/62 Johnston Isl
(19) For Operation Dominic II, the period July 7, 1962, through August 15, 1962:
Event name Date Location
Little Feller II 07/07/62 NTS
Johnie Boy 07/11/62 NTS
Small Boy 07/14/62 NTS
Little Feller I 07/17/62 NTS
(20) For Operation Plowshare, the period July 6, 1962, through July 7, 1962, covering Project Sedan.