Employers Covered Under the HCSO. An Employer is covered under the HCSO if it: 1  Is a for-profit business with 20 or more employees, or a non-profit business with 50 or more employees; and. 2  Has employees who work in San Francisco.
(November 2009). Thoracic outlet syndrome (TOS) is a syndrome involving compression at the thoracic inlet, which is known clinically as the superior thoracic outlet resulting from excess pressure placed on a neurovascular bundle passing between the anterior scalene and middle scalene muscles.horacic outlet syndrome (TOS) is a syndrome involving compression at the thoracic inlet, which is known clinically as the superior thoracic outlet resulting from excess pressure placed on a neurovascular bundle passing between the anterior scalene and middle scalene muscles.
TOS. 1. Short for Terms Of Service, TOS is a contract or agreement made between a company and the end-user using the product. If the user voids the agreement the user may be inflicted with penalties.For example, a user disobeying a TOS may be banned from the service.hort for Terms Of Service, TOS is a contract or agreement made between a company and the end-user using the product. If the user voids the agreement the user may be inflicted with penalties. For example, a user disobeying a TOS may be banned from the service.