Optimate CS 5.9% Gamma cyhalothrin 789425 Gamma-Cyhalothrin 5.9% Optimate CS can be used in and around buildings and public transportation methods including but not limited to: industrial buildings, houses, apartment buildings, laboratories, buses, greenhouses, stores, warehouses, ships, railcars, trucks, trailers, aircraft, schoolsm nursing homes, hospitals, restaurants, hotels, poultry housing, pet kennels, food granaries, grain mills, food manufacturing, food processing plants, garbage rooms, bathrooms, garages, storage facilities, machine rooms, offices, 0.16 to .33 oz (5-10 milliliters) per gallon of water in a hand pump sprayer or a tank mixed power sprayer. Different dilution rates for other uses, see label.