Princeton: Environmental Research Foundation, 1988. 288p., text reproduced from keyboard-set ms on standard 11x8.5 inch leaves and copyshop-bound between plastic rails under plain printed cover sheets. Utilitarian format, a little edgeworn and dust-soiled, soundly fastened, unmarked and otherwise clean, a good to very good exemplar. Text, by the way, is simply page after page of stats: name of chemical, code, quantity."To use this sourcebook to find out what chemicals are used by a particular industry, you need to know the SIC code for that industy. What is an SIC code? Every type of industry has a number assigned to it by the government; these numbers are called 'standard industrial classification codes"