• Audiometric Testing – Baseline and periodic tests performed by mobile testing teams or at network clinics by CAOHC-certified testing personnel. • Annual On-Site Training – On-site training on effects of noise on hearing and the use of hearing protection devices. • Audio History Forms – Detailed history for use by audiologist in shift determinations. • Re-Test Management – Coordination of re-testing for workers with a potential standard threshold shift (STS). • Report to Employee – Copy of audiometric test result provided to worker at the time of test. • Test Reports to Employer – Report of workers with a potential STS in need of re-testing. • Annual Report to Employer – Report of all individual tests, re-test summary, STS notification letters for workers, recordable shifts, and line-outs. • Audiologist Oversight – All testing data reviewed by a licensed audiologist. • Medical Records – Records of every test and audiologist review and reporting maintained in accordance with OSHA regulations and available to employer on MyHealthForce (subject to HIPAA authorization where applicable).

• Cases opened in seconds (or automatically with optional integration). • Concierge support staff coordinates scheduling of tests and retests at clinics or on-site. • Health questionnaires online, optimized for phone and available in many languages. • Test results visible on Status Viewer. • Reports posted online immediately upon issuance. • Audiologist oversight for testing and training components, individual test review for work-related shift determinations and medical referrals where necessary.