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Thiobencarb, Continued When water is contained within a tailwater recovery system, ponded on fallow land, or contained in other systems appropriate for preventing discharge, the system may discharge 19 days following the last application of thiobencarb within the system unless: (a) The system is under the control of one permittee, then water may be discharged from the application site in a manner consistent with product labeling (14 -day water -hold period). (b) The system includes drainage from more than one permittee, then water must be retained on the site of application for six days before discharged from the application site into the system. (c) Water is on fields within the bounds of areas that discharge negligible amounts of rice field drainage into perennial streams until fields are drained for harvest. Water -hold may be reduced to six days, if the commissioner evaluates such sites and verifies the hydrologic isolation of the fields. III. All areas, fields treated with Abolish® 8EC: A. Except as listed below, all water on treated fields must be retained on the treated fields for at least 19 days following application. When drainage begins, water discharge must be released at a volume not to exceed two inches of water over a drain box weir for an additional seven days. Unregulated discharges from these fields may begin after 26 days. 1. For water contained within a tailwater recovery system, ponded on fallow land, or contained in other systems appropriate for preventing discharge, the system may discharge 19 days following the last application within the system unless: (a) The system is under the control of one permittee, then water may be discharged fi-om the application site in a manner consistent with product labeling (14 -day water -hold period). (b) The system includes drainage from more than one permittee, then water must be retained on the site of application for six days before discharged from the application site into the system. (c) Water is on fields within the bounds of areas that discharge negligible amounts of rice field drainage into perennial streams until fields are drained for harvest, then water -hold may be reduced to six days if the commissioner evaluates such sites and verifies the hydrologic isolation of the fields. Continued on next purge D-19 (Rev. 12-14)