Mercury /Amalgam Separator Service: Mercury in waste water discharge is filtered by ISO approved filtration unit rendering waste water non hazardous to meet local, state, and federal discharge requirements into public sewer. Spent filter is shipped for recycling via DOT/EPA approved storage / shipping container. Generator is supplied with prepaid shipping container and proper documentation. Service interval varies depending upon office volume. Call us at 888-726-8505 for specific service intervals regarding your location.