Document 1Q9KLNEEVDZ2oNz45DGLwLe9o

A note to the Texas City file Subject: Monsanto Brain Tumor Investigation Monsanto completed its brain tumor investigation on January 8, 1982. This study consisted of 1856 hourly employees, 1156 with 20 year latency. Total persons years were 35,000 and 6,000 with 20 year latency. SMRs for malignant brain tumors were 47 (1 observed and 1.96 expected) overall. SMRs for benign and unspecified tumors were 3.76 (3 observed) overall; and 3.96 (2 observed) for 20 year latency. Combining these two categories resulted in SMRs of 1.47 overall and 222 for 20 year latency. SGA:jsh 1/11/82 UCC 053275