XU - Indicates a substance exempt from reporting under the Inventory Update Rule, i.e. Partial Updating of the TSCA Inventory Data Base Production and Site Reports (40 CFR 710(B). Y1 - Indicates an exempt polymer that has a number-average molecular weight of 1,000 or greater. Triple Superphosphate, Granular, 0-46-0 MSDS ... We've included the most sought after safety data sheets, and the database just keeps growing. Safety Data Sheet: HarvestCide® Granules Date / Revised: 26/09/2018 Version 3 Page 4-3 of 10 P320/P321 Specific treatment is urgent. P363 Wash contaminated clothing before re-use.