Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Timed event hand Jimmy Cooper won more money last season than any rookie in Professional Rodeo Cowboys Association history."

The assay of nuclear material holdup in fuel manufacturing plants is a laborious but often necessary part of completing the material balance. A range of instruments, standards, and a methodology for assaying holdup has been developed. The objectives of holdup measurement are ascertaining the amount, distribution, and how firmly fixed the SNM is. The purposes are reconciliation of material unbalance during or after a manufacturing campaign or plant decommissioning, to decide security requirements, or whether further recovery efforts are justified.

The primary barrier to release of fission product from any of the fuel types into the primary circuit of the HTGR are the coatings on the fuel particles. Both pyrolytic carbon and silicon carbide coatings are very effective in retaining fission gases under normal operating conditions. One of the possible performance limitations which has been observed in irradiation tests of TRISO fuel is chemical interaction of the SiC layer with fission products. This reaction reduces the thickness of the SiC layer in TRISO particles and can lead to release of fission products from the particles if the SiC layer is completely penetrated. The experimental section of this report describes the results of work at General Atomic concerning the reaction of fission products with silicon carbide. The discussion section describes data obtained by various laboratories and includes (1) a description of the fission products which have been found to react with SiC; (2) a description of the kinetics of silicon carbide thinning caused by fission product reaction during out-of-pile thermal gradient heating and the application of these kinetics to in-pile irradiation; and (3) a comparison of silicon carbide thinning in LEU and HEU fuels.

Photograph used for a story in the Oklahoma Times newspaper. Caption: "Brothers Steve Hacker of Oklahoma City and Jeff Hacker of Minco furnish music."

Photograph used for a newspaper owned by the Oklahoma Publishing Company.

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Byron Hollander who retired from his post as Oklahoma City fire chief, poses with a couple of gifts - a chief's hat and a new watch - presented to him Monday at a retirement party held in the Oklahoma city Civic Center."

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Retired fire chief Byron Hollander second from left, says goodbye to some old buddies."

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Gerald D. Hammer, shortly after being released from municipal jail Monday, says he plans to lodge a brutality complaint against the Oklahoma City Police Department for injuries he claim he received during an arrest late Sunday."

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Amy Jones, 9; Andy McDaniels, 11; and Melody McDaniels, 9, gather around for some music by Audrey and Tom Russell."

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "With the stride of a champion and the stroke of a professional, budding tennis star Charles Maxey displays a wicked backhand Monday in action at Memorial Park."

Copper plates 90 mm in diameter, of thickness 0.25 mm and 0.5 mm, were accelerated by an adjacent 17 mm thick cylinder of RX-03-BB or PBX-9404-03. The explosive was initiated by impact of a thick flyer from the LLNL 102 mm gun, providing either a reactive or fully detonating wave, by appropriate choice of flyer velocities up to 1.30 mm/..mu..s. The free surface velocity of the plates were measured with a Fabry-Perot velocimeter. Excellent experimental free-surface velocity histories have been obtained. Calculations of this history employing beta-burn and nucleation and growth high explosives models are in good agreement with fully detonating experiments. For reacting RX-03-BB, adjustments in the parameter are needed. The experimental technique gives records whose agreement with calculation is sensitive to the model and is therefore a good way of testing new high explosive models. Also, this method allows one to infer information about the reaction zone length.

The high temperature diffusion technique for fuel filling of some future direct drive cryogenic ICF targets may be unacceptable. The following describes a technique of fitting a 1 mm diameter x 6 ..mu..m thick glass microsphere with an approx. 50 ..mu..m O.D. glass fill tube. The process of laser drilling a 50 ..mu..m diameter hole in the microsphere wall, technique for making the epoxy joint between the sphere and fill tube, as well as the assembly procedure are also discussed.

B-roll video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.

Photograph used for a newspaper owned by the Oklahoma Publishing Company.

Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.

B-roll video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.

Weekly newspaper from Jacksboro, Texas that includes local, state, and national news along with extensive advertising.

Photograph used for a story in the Oklahoma Times newspaper. Caption: "When two 4-year-olds try a three-legged race, problems arise. Hannah Smith seems to get left behind right from the start as Edward Pitts watches for starting signal. Both youngsters are from El Reno and were taking part in Heritage Day fun near the Canadian county Historical Museum in El Reno."

Photograph used for a story in the Oklahoma Times newspaper. Caption: "Terri Cook, 7, takes advantage of a cooking class for young girls offered at Sellers Center, SW 82 and Villa."

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Three glum businessmen sit beneath the shade of a tree in northwest Oklahoma City this week waiting for customers to purchase lemonade."

Photograph used for a story in the Oklahoma Times newspaper. Caption: "Cynthia instructs 13-year-old Danny Lucas at the Whittler Recration Center."

Photograph used for a story in the Oklahoma Times newspaper. Caption: "Ben Rubin, 6, and Pardiss Kebriael, 6, are learning ballet in one of the many city-sponsored summer classes being held at Reaves Park in Norman."

Photograph used for a story in the Oklahoma Times newspaper. Caption: "Darrell Rodgers"

Photograph used for a story in the Oklahoma Times newspaper. Caption: "Kristen Sher 2, displays the new necklace she made during Whittier Recreation Center Indian crafts class."