Document RpyY1GLrJ0ZzN77K63r9wwobB

Mr. Robert S. Clark Technical Center South Charleston Bldg. 770-201 January 30, 1976 Medical Department 4 Numerical Cbd Order For Volume 38 Dear Mr. Clark: Vim recently received a listing in numerical code order of the current methods for the Industrial Hygiene Handbook. Please be advised that the following methods are missing In our handbook. Method No. Partial Title 38C- lP4-R2b 38C-1P4-R2. la 38C-2A2.40-R2 38C-9C1-R2b 38C-10X2-R2.1 38C-10X2-R2.2 38C-10X2-R2. 3a 38C-19B1-R2.2 38C-22S4-R2 38C-22T1-R2 38C-29B82-R2 38C-29F1-R2 38C-27P1-R2 38C-U1A15-R2a 38C-Y4A-R2 3sC-/itU-R3s Sulfur dioxide Sulfur dioxide Vinyl acetate Vinyl chloride Particulate & organic matter Particulate matter Particulate fallout Dimethylfo rmamide T etramethyl succloonitrile Acrylonitrile Lead Sulfuric acid mist Cobalt carbonyl Carbaryl (SEVIN) 3,4 Benzopyrene Srit'juAje (9-J^L Very truly yours. CXJD :1m C. U. Dernehl, M. D. Associate Corporate Medical Director ucc 067861