The granulocytic series consisted predominantly of the mid-mature to mature forms and showed no abnormalities in maturation or morphology. Megakaryocytes are present. ME ratio is 4:1. Impression: Normal bene marrow. Recommendation: Continued periodic hematologic examinations. Thre is no evidence of blood dyscrasia at present. In January 1969 the chief medical doctor of the government hospital's out patient service expressed the following opinion: . vl feel this employee should have more frequent hematological examinations as compared to the average. I believe, however, that there is no evidence that X-ray exposure has produced this hematological picture, The Bureau’s medical director made the following report regarding the claim that the persistent leukopenia had been caused by X-ray exposure during employment: Leukopenia of this degree can and frequently does occur spontaneously without any known cause. All safety devices have been provided this technician and the film badge records indicate a quite insignificant degree of exposure. The preexisting radiation exposure from September 1960 to October 1967 while employed by a private hospital prior to government employment totals only 1,460 mr or 1.46 roentgen which is a quite insignificant amount of cumulative exposure during that time. The cause of the leukopenia at this time thus is quite speculative and the leukopenia was merely an incidental finding. The bone marrow aspiration performed December 12, 1968 was completely normal. The leukopenia level varies from 3500 to 5000 which is on the low-normal side. The record does not indicate the claimant had had any intercurrent bacterial infections secondary to the moderate leukopenia. Therefore, at this time I cannot consider this injury job related. CASE NO.46 Type of Injury: Hypertension, Chronic Anxiety Reaction and High Blood Pressure. BEC’s Decision: Compensation Granted. Date of Decision: 1971. Ciaimant’s Allegation: That his condition was caused by exposure to fast neutrons and high energy X-rays in the course of his employment. Facts: Claimant, a 47 year old male, was employed in 1964 as a Materials Treatment Process Inspection Specialist in radiography at a U.S. Military Ordnance Laboratory. In October 1968 claimant began feeling tense and dizzy and he experienced fatigue, weakness and loss of energy. A physical examination indicated an elevated blood pressure and he was referred to a private medical doctor for treatment. His condition was diagnosed as hypertension of a labile type and anxiety reaction. He continued to feel dizzy and tense and to complain of fatigue, lightheadedness and mild chest pains and his symptoms progressively increased to the point where he was intermittently impaired in his ability to function. A statement from claimant’s supervisor concerning his occupational history at various ordnance laboratories showed that he was employed from May 10, 1946 to November 20, 1946, and from April 1948 until April 1957 in ammunition explosive testing, inspection and demolition work. From April BEC's Decision: In advising the claimant that he was not entitled to compensation benefits, the Bureau offered the following reasons: 1957 until December 1961 he was a metals inspector in an X-ray facility using a 250 KV, a 2 MeV Resotron and a 10 MeV Linear Acceferator. In December 1961 he began work as a Materials Treatment Process Inspection Specialist in A study of your file and all the medical evidence does not support that the leukopenia is work related. The records show aninsignificant degree of exposure to X-ray. Your condition is not disabling. The Bureau suggests you have Resotron, a 140 KV and a 13 MeV Linear Accelerator X-ray machine. The rated output (Target Peak) of the 13 MeV Accelerator was 120 MA, 17 MeV, with a normal operating output pf from 1500 R/min. to 2000 R/min. It had a examinations every three months for the next two years to determine the course of your leukopenia. radiography using a 25 MeV Linear Accelerator. In July 1964 he continued in radiography and began work at the employing facility using a 250 KV, a 2 MeV 15° cone, a tungsten steel target and a | mm. focal spot. A four inch lead shield was placed in front of the control room door after approximately 400+ beam hours on the 13 MeV X-ray machine “‘which” the supervisor’s statement indicated “did not appreciably effect radiation level in control room as indicated in radiation surveys”, The control room had a one foot concrete wall and a 3/4 inch steel door. With respect to the lead shield, the supervisory’s statement read: 142 143