This library includes spectra of insecticides, herbicides, algaecides, fungicides and other pesticides.Spectral Range of Database is 4000 - 650 cm-1. All spectra were obtained using a single bounce diamond ATR. All Spectra have been reviewed and evaluated for quality. Database is available as 2 cm-1 or 4 cm-1 resolution. the number of spectra in this database is 920.