The City of Philadelphia is seeking a vendor to test and certify chemical fume hoods and biological safety cabinets. The vendor must be ISO 17025 accredited for controlled environment testing and calibration. The tests to be performed include airflow smoke pattern tests, airflow velocity tests, HEPA filter leak tests, and others as specified in the requirements. The vendor must meet manufacturer's specifications as well as state and federal specifications such as those outlined in NSF/ANSI Z9.5 and 49-2002. The contract period is from 07/01/2025 to 06/30/2026 with three one-year renewals at the sole option of the City of Philadelphia. • The vendor must perform various tests on chemical fume hoods, biological safety cabinets, drying cabinets, and laminar flow hoods. • The vendor must adjust equipment to meet specifications at no additional charge where applicable. • The vendor must supply an estimate for repair costs if a hood cannot be recertified. • The vendor must meet all requirements outlined in the document, including being ISO 17025 accredited and meeting manufacturer's and state and federal specifications.