Oil in water monitoring expert, Turner Designs Hydrocarbon Instruments, Inc. announces their participation at Offshore Technology Conference 2004. The new ATEX zone II certified TD-4100 XD continuous online oil in water monitor will be on display along with their highly successful TD-500 handheld oil in water meter. Please visit Turner Designs Hydrocarbon Instruments, Inc. at the 2004 Offshore Technology Conference in Houston TX, USA from May 3 - 6 in booth # 4825.