A new car wash facility is being planned. According to the 2022 CPC, which of the following statements about interceptors for this facility is correct?

• An interceptor is not required if the facility is connected to an approved oil/water separator.
• A sand interceptor is required, but an oil interceptor is optional.
• An interceptor is always required for a motor vehicle washing facility.
• An interceptor is only required if the facility washes more than 10 vehicles per day.