Abstract
The 21st SIDS (Screening Information Data Set) Initial Assessment Meeting was held in Washington DC on 18th-21st October 2005. The initial assessment documents of 41 substances were submitted, and 36 were agreed at the meeting. The Japanese Government submitted the initial assessment documents of two substances, morpholine, 4-ethyl (CAS: 100-74-3) and 2-propen-1-ol (CAS: 107-18-6), and both documents were also agreed at the meeting. This paper reports the summary record of the 21st SIDS Initial Assessment Meeting.