The Best In The Industry! Bio-One DC is a small business, fully licensed and certified to perform biohazard services. Veteran Owned/ SDVOSB Certified and BBB Accredited with an A Rating! Our services involve all types of extreme cleaning including blood spill, unattended death, crime scene, homicide, suicide, medical waste disposal, emergency vehicle decontamination, odor removal, tear gas cleanup, mold remediation, water remediation, hoarding cleanup, rodent droppings, feces and urine cleanup. When a suicide, homicide, or traumatic death occurs, Bio-One is the best choice for assisting victims and their families.