Document k98yKoKozRR7Gn9rMmLnyQQ4q

INTER-COMPANY AND OFFICE CORRESPONDENCE TM TO: C. Henderson SUBJECT: Committee Meeting on F. Scherer TWA ^2.0ppm From: Macy, Jr. Located at: Leominster, Mass. Date: September 28, 1981 ( Drtt ) SrmfA j Dt+iuon ' Company I. Summary of Incident Frank Scherer's VCM for 9/17/81 was 12.1ppm. Exposure traced to cracked nipple on reactor #2 below the pressure gauge. II. Data on Incident A. Date: 9/17/81 Time: 4-12 shift B. People Involved: Frank Scherer C. Exposure of People: 12.lppm D. Equipment Involved: Reactor #2, nipple on PG line E. Damage to Equipment : Cracked nipple F. Outside Exposure: None G. Classification: Equipment Failure III. Detailed Description of Incident F. Scherer, Semi-Pilot Plant Operator was working 4-12 shift on Thursday, September 17, 1981. He performed no unusual tasks. He filled 2 VCM "bombs" for the next days charges. He was work ing in an area adjacent to reactor #2. No respiratory equipment was used by Mr. Scherer as no VCM alarm was observed by him. Computer printouts for 9/17/81 indicate that the Semi-Pilot area was under alarm status for more than 2h hours. IV. Investigation A. Primary Cause: Cracked nipple on reactor #2 pressure gauge line. B. Contributing Cause: Cracked nipple leak was not readily de tectable. V. Recommendations A. What is to be done: 1. Repair or replace nipple on reactor #2 PG line - Done 9/18/81--G. Martin, R. Swedberg. 2. Check operation of monitoring com ponents at Bldg. 10 - K. L. Macy, Sr. 9/28/81 Safety Supervisor Safety Department BOR 000126