1. Preheat broiler with oven rack 5 1/2 inches from heat. Sprinkle salmon with salt and garlic powder.
2. Melt butter in a large skillet over medium heat. Add salmon, skin side up; cook 2 minutes. Place salmon, skin side down, on a lightly greased rack in a broiler pan; brush with half of syrup.
3. Broil salmon 5 to 7 minutes or until fish is cooked to desired degree of doneness and syrup caramelizes. Brush with remaining syrup; sprinkle with chives.