JIHO Recognition
JIHO is pleased to announce that we have been designated as an approved training organization for Occupational Hygiene Training Association (OHTA) courses: OHTA 201: Basic Principles of Occupational Hygiene OHTA501: […]
JIHO is pleased to announce that we have been designated as an approved training organization for Occupational Hygiene Training Association (OHTA) courses: OHTA 201: Basic Principles of Occupational Hygiene OHTA501: […]
Medellín, Colombia.
Córdoba, Argentina.