To Whom It May Concern:

I am writing to certify that BT 4500 (AFCO 8684), is safe when used as directed.

AFCO 8684 is acceptable for use in inedible product processing areas, non-processing areas and/or exterior areas of official establishments operating under the Federal meat, poultry, shell egg grading and egg products inspection programs provided that it is used only for the clarification of wastewater.