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Appendix A-2 Residual Radioactivity Evaluations for Individual Facilities FACILITY NAME: AC Spark Plug Flint, Michigan TIME PERIOD: 1946-1947; Residual Radiation 1948-July 2006 FACILITY DESCRIPTION: DOE Office of Health, Safety and Security Website: AC Spark Plug performed beryllium work for the AEC. Records indicate that approximately 10 men worked with beryllium at this location in 1947. Information about AC Spark Plug is found in health hazard surveys, shipping reports and in a MED history. The company continued to receive hundreds of pounds of beryllium for use under government contract into the 1960's. It is possible that some or all of this beryllium was being used for other, non-AEC projects. There was also a small amount of thorium procurement related to AC Spark Plug in the 1946-1947 timeframe. DISCUSSION: A memo from March 11, 1947, states that AC Sparkplug received 30 pounds of ThO3 and 960 grams of U3O8. Additionally, specific activities conducted with this material, final accountability or disposition and/or decontamination efforts are not contained within the reviewed documentation. Based on a lack of documentation it can only be assumed that residual contamination exists outside the listed period. INFORMATIONAL SOURCES: Sources of information reviewed during this evaluation included: DOE Office of Health, Safety and Security Website Memo from March 11, 1947, Shipments to AC Sparkplug EVALUATION FINDINGS: Documentation reviewed indicates that there is a potential for significant residual contamination outside of the period in which weapons-related production occurred. PERIOD OF POTENTIAL RESIDUAL CONTAMINATION 1948 - present. Page 1 of 239 Appendix A-2 Residual Radioactivity Evaluations for Individual Facilities FACILITY NAME: Aeroprojects, Inc. West Chester, Pennsylvania ALSO KNOWN AS: Sonobond Ultrasonics TIME PERIOD: 1951-1973; Residual Radiation 1974-1976 FACILITY DESCRIPTION: DOE Office of Health, Safety and Security Website: Beginning in 1951, Aeroprojects Inc. performed research and development for the AEC. The company's work included investigation of the use of ultrasonic energy in the areas of instrumentation, welding, filling of tubes with powders, extrusion, solidification and cleaning. Materials used by the company include alloys and compounds of aluminum, beryllium, mercury, thorium and uranium. DISCUSSION: It was alleged that small amounts of radioactive material may have been buried on this site. However, radiological surveys of the property performed in 1988 do not indicate exposure levels/rates above natural background. There is documentation that during facility cleaning in 1975 and 1976 (outside the period in which weapons-related production occurred), some uranium shavings and slugs were discovered and buried on the site as well. These items, as described, are deemed significant enough to expand the listed dates through 1976. INFORMATIONAL SOURCES: Sources of information reviewed during this evaluation included: DOE Office of Health, Safety and Security Website ORNL Report (ORNL/RASA-90/5), Radiological Survey of the Former Aeroprojects Facility, West Chester, Pennsylvania, October 1990 Memo regarding historical burial events, July, 1990 FUSRAP Elimination Reports EVALUATION FINDINGS: Documentation reviewed indicates that there is a potential for significant residual contamination outside of the period in which weapons-related production occurred. PERIOD OF POTENTIAL RESIDUAL CONTAMINATION 1974-1976 Page 2 of 239 Appendix A-2 Residual Radioactivity Evaluations for Individual Facilities FACILITY NAME: Ajax Magnethermic Corp. Youngstown, Ohio TIME PERIOD: 1958-1962 FACILITY DESCRIPTION: DOE Office of Health, Safety and Security Website: The Ajax-Magnethermic Corp. was involved in induction heat treatment of various forms of uranium for National Lead Company of Ohio (Fernald) and also for General Electric (Hanford). The company fabricated an induction heating unit for NLO in 1961. DISCUSSION: Documents reviewed describe tests performed between 1958 and 1961. There is no documentation indicating that work with radioactive materials occurred past October 31, 1961. Multiple documents and radiological surveys were available demonstrating implementation of radiological contamination controls and representative monitoring during operations, along with descriptions of post-operational decontamination and area monitoring. These actions and documentation demonstrate elimination of the potential for residual radiological contamination. INFORMATIONAL SOURCES: Sources of information reviewed during this evaluation included: DOE Office of Health, Safety and Security Website Trip Reports by National Lead of Ohio to the Facility from 1958 to 1961 EVALUATION FINDINGS: Documentation reviewed indicates that there is little potential for significant residual contamination outside of the period in which weapons-related production occurred. Page 3 of 239 Appendix A-2 Residual Radioactivity Evaluations for Individual Facilities FACILITY NAME: Alba Craft Shop Oxford, Ohio TIME PERIOD: 1952-1957; Residual Radiation 1958-1993; DOE 1994-1995 (remediation) FACILITY DESCRIPTION: DOE Office of Health, Safety and Security Website: From 1952 to 1957, Alba Craft provided a variety of machine shop services on natural uranium metal for National Lead Company of Ohio (Fernald). Early work at Alba Craft included general and developmental machining of threaded reactor fuel slugs for use at the Savannah River Site. Subsequent production-scale operations consisted of hollow drilling and turning of slugs for the Savannah River and Hanford plutonium-production reactors. Remediation activities under the Formerly Utilized Site Remediation Action Program (FUSRAP) occurred in 1994-1995 under the Bechtel National Inc. (BNI) umbrella site remediation contract. Remediation was certified complete in 1997. DISCUSSION: Survey results from 1992 confirm the presence of residual contamination, thirty-five years after operations ceased. While the conditions discovered in 1992 are well defined, there is no method to determine the actual conditions left at the end of operations in 1957. ORNL performed a verification survey between December of 1994 and February of 1995 to confirm that remedial actions were successful. The findings of this survey, published in April of 1996 were that the site met current unrestricted release criteria. INFORMATIONAL SOURCES: Sources of information reviewed during this evaluation included Department of Energy (DOE) Office of Health, Safety and Security Website; ORNL Report (ORNL/RASA-92/14), Results of the Radiological Survey at the Former Alba Craft Laboratory Site Properties, Oxford Ohio; issued March 1993. ORNL Report (ORNL/TM-12968), Results of the Independent Radiological Survey of the Remedial Action Performed at the Former Alba Craft Laboratory Site Oxford, OH; issued April 1996 Certification Docket for the Remedial Action Performed at the Alba Craft Laboratory and Vicinity Properties Site in Oxford, Ohio, January, 1997 EVALUATION FINDINGS: Documentation reviewed indicates that there is a potential for significant residual contamination outside of the period in which weapons-related production occurred. PERIOD OF POTENTIAL RESIDUAL CONTAMINATION 1958 - 1993 Page 4 of 239 Appendix A-2 Residual Radioactivity Evaluations for Individual Facilities FACILITY NAME: Albany Research Center Albany, Oregon TIME PERIOD: No longer listed as an Atomics Weapons Employer DISCUSSION: This facility’s designation was changed to Department of Energy Facility only, per an April 2009 Federal Register notice (74 Fed. Reg. 16,192 (April 9, 2009)).. As of 6/08/2009 the DOE Office of Health, Safety and Security Website had not been updated to reflect this change. Page 5 of 239 Appendix A-2 Residual Radioactivity Evaluations for Individual Facilities FACILITY NAME: Aliquippa Forge Aliquippa, Pennsylvania ALSO KNOWN AS: Vulcan Crucible Steel Co. Universal Cyclops, Inc. TIME PERIOD: 1947-1950; Residual Radiation 1951-1987; 1989-1992; DOE 1988; 1993-1994 (remediation) FACILITY DESCRIPTION: DOE Office of Health, Safety and Security Website: In the late 1940s, Aliquippa Forge (previously Vulcan Crucible) was a supplier of rolled uranium rods used in Hanford's reactors. The AEC operated a rolling mill, two furnaces and cutting and extrusion equipment at Vulcan. Work at the site ended in 1950. This site was designated as part of the Formerly Utilized Site Remediation Action Program (FUSRAP) in 1983 and remediation work took place was in 1988 and again in 1993-1994. This work was performed under the Bechtel National Inc. umbrella contract for DOE site environmental remediation. DISCUSSION: Operations ceased in 1950. However, a subsequent radiological survey of the facility performed in May 1978 identified uranium contamination throughout several areas of the facility. From 1986 through 1988, phase one of a FUSRAP cleanup was begun and the area was isolated from access until 1993 when phase two was begun in June of 1993 and completed in September of 1994. INFORMATIONAL SOURCES: Sources of information reviewed during this evaluation included: DOE Office of Health, Safety and Security Website Certification Docket for the Remedial Action Performed at the Aliquippa Forge Site, November 1996. EVALUATION FINDINGS: Documentation reviewed indicates that there is a potential for significant residual contamination outside of the period in which weapons-related production occurred. PERIOD OF POTENTIAL RESIDUAL CONTAMINATION 1951-1987; 1989-1992