Hazmat testing services performs compression testing, leak testing, package integrity testing, package strength testing, shock testing, validation, and vibration testing. If a company is engaged in the transportation of hazardous material they are obligated to comply with the requirements set forth in the hazardous material regulations (HMR) published by the department of transportation (dot), title 49 CFR. Packages with integrity can help reduce the likelihood of hazardous accidents. This same type of packaging can also reduce the chance that shipments will be rejected by overseas customs for non-compliance.