Document zoRzxVmLBbBdJeYRQ6myvODd0

! ;. ivionsanto p ^ /s s / A C rC *N C E TO hoict C laren ce F. B u c k le y (2330) WGK P la n t Apr i 1 21, 1981 cc W IPE TESTS INSIDE DEPARTMENT 237 COLUMN P. Kirk D. J . Metherd J . A. Munoz Fred HNeman o f Dayton Lab phoned the r e s u lts to me. The amounts found a re ve ry low and could not have been measured a c c u r a t e ly by any o th e r la b . These numbers in clu d e a fa c t o r o f 2.5 to al low-for--k0% recovery. Tetra Penta Hexa Hepta 0c ta Column 3rd . Level Sample 1 ng/100 sq cms 12 bS 120 31 Top o f Column Sample 2 ng/100 sq cms fla n k 8' 6k Cl ean kk 3 Trace Column a t Open Top W all Sample ng/100 sq cms 15 56 31 0 These le v e ls a re lower than OSHA would expect to fin d in the w orkplace area-not in s id e a process v e s s e l. Fred Hileman th in k s you did an ex cellen t cleaning job. I CF3/jc Clarence F. Buckley K050950 Cl 3301 -I