Begin to look for such signs as trails, wet wood, frass. Inspection at sunset or early morning is the best time for carpenter ant inspection. For more details and how to inspect for carpenter ants, go to:
Carpenter Ant Inspection.
Broadcast Application-Broadcast Advance Carpenter Ant Bait at a rate of 1 lb per acre or 0.4 oz per 1,0000 sq ft or 1.8 oz per 5,000 sq ft. Spread the bait as uniformly as possible.
Around Structures- Around the foundation of structures, sprinkle 0.3 oz per 100 linear ft in a band about 1-2 feet wide. If you see visible trails, spread about 1 oz along the path.
Individual Colony Treatment-Use 1.5 to 3 ounces of product per colony.