least toxic herbicides AVENGER Organic Weed Killer - Biodegradable / Non-toxic

least toxic herbicides AVENGER Organic Weed Killer - Biodegradable / Non-toxicEco friendly Avenger Weed Killer is an organic, non selective, post emergence herbicide that is quick and effective without causing harm to the environment. Avenger Weed Killer is fast acting product that provides visible results in less than 2 hours; it is highly biodegradable and dissipates quickly. The active ingredient d limonene (citrus oil) naturally strips away the waxy plant cuticle, causing it to dehydrate and die. University and independent

Eco-friendly Avenger® Weed Killer is an organic, non-selective, post-emergence herbicide that is quick and effective without causing harm to the environment. Avenger® Weed Killer is fast acting product that provides visible results in less than 2 hours; it is highly biodegradable and dissipates quickly. The active ingredient d-limonene (citrus oil) naturally strips away the waxy plant cuticle, causing it to dehydrate and die. University and independent testing results prove that Avenger® Weed Killer is as effective, but faster acting when compared against leading synthetic herbicides.When tested against non-organic 'natural' herbicides that contain vinegar (acetic acid), citric acid, clove oil, or fatty acids (soap), it is more effective with quicker results. 

• It controls most weeds, grasses, and broadleaves including the following: Spurge, Sow Thistle, Shepherd Purse, Clover, Hairy Fleabane, Crabgrass, Smooth Crabgrass, Dandelion, Whitestem Filaree, Bermuda Grass, Bindweed, Johnson Grass, Shepherds Purse and Little Mallow.
• Great for use in and around the following areas: gardens, lawns, shrubs, flower beds, driveways, sidewalk, patios, borders, outside walls, mulch beds, gravel beds, mature trees and ornamentals, greenhouses, fencerows, foundations, buildings, golf courses, athletic fields, parks and recreation areas, bike and hiking trails, kennels, and animal enclosures.  
• It has been approved for use in organic gardening by the U.S. Department of Agriculture's (USDA) National Organic Program (NOP) Rule.  It is also approved by the Washington Organic Food Program (WSDA).  
• D-Limonene is generally recognized as safe (GRAS) by the FDA. This product is a USDA IR-4 Project participant and is a patented formula, EPA registered and approved.