Document x5RYZL1wpVbbKeBpaYYeJB7aQ

BENZENE EXPOSURE MONITORING DATA, LHC II PERSONNEL SAMPLING ON ROBBIE PITRE Loading waste oil from D-18C into drums for disposal.* Sample Duration Date (minutes) 5/19/83 405 5/20/83 465 5/24/83 300 5/25/83 480 5/26/83 465 5/27/83 495 5/31/83 450 6/1/83 480 6/2/83 450 6/6/83 450 6/8/83 450 6/9/83 450 6/13/83 450 6/14/83 480 6/15/83 480 6/16/83 465 6/17/83 540 6/20/83 450 6/25/83 705 Benzene 9. 13 5.91 3-2 0.4 0.83 0.24 0.38 0.26 0.08 0.08 0. 16 0.07 0. 12 0. 47 0.09 0. 15 0. 16 0.30 0. 16 Concentration, ppm (v/v) Toluene Ethylbenzene 0.82 0.86 0.03 0.02 0.29 <0.01 0.07 <0.01 0. 15 <0.01 0.06 0.09 0.04 0.03 <0.01 <0.01 0.03 <0.01 0.02 0.02 0.08 0.02 0.06 <0.01 0.07 <0.01 0. 17 0.02 0.04 0.01 0.09 <0.01 0. 16 <0.01 0. 11 0.03 0.09 0.01 Styrene <0.01 0.12 0.02 0.01 0.03 0.01 <0.01 <0.01 0.02 0.01 <0.01 <0.01 0.04 0.02 0.02 <0.01 <0.01 0.09 0.05 Cleaning E)-l8B* 10/21/83 10/24/83 480 480 0.34 0. 44 0. 14 0. 10 ___ -- Urine phenol levels were checked on several days during this period as an additional check on benzene exposure. None of the results indicated benzene exposure according to Dr. Currier at Medical. Dates checked: 5/23/83 5/24/83 5/3V83 6/1/83 6/6/83 Respiratory protection was worn. Bill Ledford Industrial Hygiene sb