Data Views Exclude Ubiquitous Chemicals Activities: 207 Chemicals w/Activities: 17 All Chemicals: 41 CSV Excel PDF Previous123 Show all rows. Paginate rows. Click on column headings to sort table by that column # Activity Chemical Part All Flower Leaf Plant Seed Wood Low PPM High PPM StdDev *Reference 0 WATER Flower 855000.0 860000.0 0.31 * *Unless otherwise noted all references are to Duke, James A. 1992. Handbook of phytochemical constituents of GRAS herbs and other economic plants. Boca Raton, FL. CRC Press.