How should chlorpyrifos be mixed for fleas? - briefly
Mix chlorpyrifos at 0.5 ml per liter of water to obtain a 10 ppm solution, apply evenly to flea‑infested zones, and keep the surface wet for a minimum of 30 minutes. Ensure thorough coverage and avoid contact with non‑target organisms.
How should chlorpyrifos be mixed for fleas? - in detail
Chlorpyrifos must be diluted according to the label’s concentration guidelines for flea control. Begin with a clean, dry container that can hold at least twice the final volume. Measure the required amount of active ingredient with a calibrated scale; typical formulations call for 0.5 g of chlorpyrifos per liter of water to achieve a 0.05 % solution, but verify the exact rate on the product label.
Add the measured chlorpyrifos to a small volume of warm water (approximately 100 mL) to facilitate dissolution. Stir gently until the granules or liquid concentrate are completely solubilized, avoiding vigorous shaking that could generate aerosols. Once fully dissolved, transfer the solution to the main container and add the remaining water to reach the target volume. Mix the final solution slowly to ensure uniform distribution.
Safety precautions:
- Wear chemical‑resistant gloves, goggles, and a face shield.
- Perform mixing in a well‑ventilated area or under a fume hood.
- Keep the mixture away from open flames and heat sources.
Application guidelines:
- Apply the solution uniformly to the infested environment using a calibrated sprayer.
- Ensure thorough wetting of carpets, bedding, and cracks where fleas hide.
- Allow the treated area to dry before re‑entry; typical drying time is 30–45 minutes.
- Repeat treatment according to the product’s re‑application interval, usually every 7 days, until flea populations are eliminated.
Storage instructions: