Saïd K Aburish, a former government Minister under Saddam Hussein, has written several books, one of them "Saddam Hussein, The Politics of Revenge" published by Bloomsbury in 2000. Pages 136 - 138 describe how in 1975 the US Government knowingly helped Iraq obtain the technology to build its first chemical warfare plant. The author was involved in these negotiations, and documents meetings, officials and companies involved.