Application for the Reassessment of a Hazardous Substance under ...

BV2 SurfaceInsecticideBV2 SurfaceInsecticide Bulk3.1 g/l aerosol (dualactive with propoxur at8.7 g/l)4.4 g/l dichlorvosready-to-use liquid,(dual active with 9.6g/l propoxur).public halls, industrial plants, warehouses,food plantsRates:Fogging: 5, 10 or 15 ml / litre / 100 m 3depending on pestSpraying: 10, 20, or 30 ml / 2 litre / 100 m 2 .Surface treatmentskirting boards, library shelves, architravesetc.Rate:Spray affected areas until damp.Surface treatmentskirting boards, library shelves, architravesetc.Rate:Spray affected areas until damp.Insectigas 50 g/kg aerosol Spray treatmentRate:Spraying:100 g / 100 m 3 (18 s spray into air);300 g / 100 m 3 (54 s spray into cracks &crevices);200 g / 300 m 3 (70 s spray into air orcrevice).DDVP InsecticideStripJ72.03 ismanufactured forexport180 g/kg vapourreleasing strip5-24% dichlorvos, gascylindersUsed in fruit fly traps for fruit flymonitoring by MAF-BNZ.Export only3.7.16 The following additional information has been acquired through discussions withusers and manufacturers during the preparation of this application.3.7.17 Nuvos and Divap have treatment of grain moths, flour beetles, grain weevils andflour mites pests on the label, but listed against industrial plants, warehouses andfood plants. It is therefore unclear whether the NZ label supports treatment of grainor just the buildings used to store grain. Grain is treated overseas but it is not knownif this is done in NZ (Appendix K).3.7.18 About 25,000 cans of BV2 Surface Insecticide each containing 600 ml product areused per year. A maximum of two applications are made 2 weeks apart and 6 weeksof protection should result. (L. Bryant pers. comm.).3.7.19 Four or five glass jars of BV2 surface insecticide bulk each containing 4 litre productare used per year (L. Bryant pers. comm.).3.7.20 The application for dichlorvos strips to use in the fruit fly surveillance programme,said that up to 50,000 strips would be imported per year. In the current programmefewer strips are actually used. They are used all over NZ but in different densities.Single strips are contained within traps that also contain fruit fly lures. The strips arereplaced at 6-8 week intervals.Dichlorvos reassessment – application Page 33 of 436