The 1993 Environmental Software Survey marks the second in a series of
annual surveys of the environmental software market. Results from las
t year's survey were presented in the November 1992 issue of the Journ
al of the Air and Waste Management Association.(1) In all, the 1992 su
rvey summarized information on 600 software products produced by 200 v
endors. The 1993 Environmental Software Survey represents a significan
t expansion of this effort. This article provides information collecte
d from the 1993 Survey and other data for more than 1,000 software pro
ducts from 380 vendors. Additional information on these products is av
ailable as a relational database from the author.