2025-03-212025-03-212024-01-16https://hdl.handle.net/10919/124962A backpack sprayer being filled with a hose indoors. The position of the hose inside the tank does not allow for an air gap, which risks back-siphoning.Dimensions: 7360 × 4912Size: 17 MBimage/jpegenIn Copyright (InC)This Item is protected by copyright and/or related rights. Some uses of this Item may be deemed fair and permitted by law even without permission from the rights holder(s). For other uses you need to obtain permission from the rights holder(s).Pesticides in Our EnvironmentImproper UseImageVirginia Tech