Mobile OSHA Hearing Testing in Indianapolis, IN

Foster Special Instruments tests hearing on site for Indianapolis employers. We leave Blue Ash on I-74 West, cross into Indiana near Lawrenceburg, and continue through Greensburg to the I-465 loop, a drive of roughly 110 miles. Our technicians bring the audiometer, the sound booth, and the paperwork, so workers stay on the clock at the plant instead of visiting an outside clinic.

Industry Mix in Central Indiana

Indianapolis is a manufacturing and freight city. Transmission, engine, and aerospace component plants machine and assemble heavy parts around the clock. Automotive suppliers fill industrial parks from Plainfield to Greenfield. Pharmaceutical and medical device makers run packaging and filling lines. The FedEx hub at the airport and the distribution centers along I-70 and I-65 keep sortation equipment in constant motion, and metal fabricators and food processors add to the list. South of the city, engine and automotive production around Columbus, Greensburg, and Franklin pulls in suppliers that need the same testing.

Indiana's State Plan

Indiana operates its own occupational safety program, IOSHA, under the Department of Labor. It covers private employers and public employers alike, and its general industry noise rule is equivalent to the federal 1910.95 standard. Exposure at an 8-hour average of 85 dBA starts the hearing conservation program, and the baseline and annual audiogram cycle follows from that. Employers pick their own vendor, which is why many sites hire a mobile testing company and keep their calibration and records in one place.

Running a Test Day in Indianapolis

• A CAOHC-certified technician sets up the mobile unit on your lot
• If the lot is crowded, a quiet room that meets ANSI S3.1 limits works
• Employees rotate through in small groups
• Results are compared with each baseline
• An audiologist reviews every result
• You receive a record set ready for an IOSHA inspector

Plants with a pharmaceutical or clean-process environment sometimes limit outside access. Tell us your site rules, including badge, gowning, or vehicle requirements, and we will plan around them.

Why Indianapolis Plants Hire Out the Testing

Large central Indiana employers often have a safety coordinator who already juggles lockout programs, forklift training, respirator fit tests, and incident reports. Hearing conservation adds an annual cycle with its own calibration, booth, and recordkeeping demands. Handing the testing to a specialist means the audiometer stays in calibration, the room is checked against ANSI S3.1, and the results come back with a threshold shift analysis instead of a stack of raw printouts.

Smaller shops in the donut counties around the city have the opposite problem. They have a handful of exposed workers and no reason to buy an audiometer at all. A short mobile visit once a year gives them a complete program without capital equipment.

Calibration on the Same Trip

If you test in house, we can calibrate your audiometer and booth when we visit. See our calibration services. We can also calibrate noise survey instruments for safety teams that measure exposure themselves.

Where We Test Around Indianapolis

• Marion County: Indianapolis, Speedway, Beech Grove, Lawrence
• North: Carmel, Fishers, Noblesville, Westfield, Anderson
• West on I-70 and US-36: Plainfield, Avon, Brownsburg, Greencastle
• East and southeast: Greenfield, Shelbyville, Greensburg, Franklin, Columbus
• Counties: Marion, Hamilton, Hendricks, Hancock, Johnson, Shelby, Boone, Decatur

Other Indiana employers can start from the Indiana hearing testing page. The hearing testing overview shows all our regions. To begin, request a quote or call 513-891-0868.

Indianapolis Hearing Testing FAQ

Which agency inspects hearing programs in Indiana?

IOSHA, the state program, handles enforcement. Its noise rule follows the same structure as 1910.95.

Can you work around clean-room or controlled access rules?

Often, yes. Send your visitor requirements with the quote request so we can plan for them.

Can multiple plants in the same county be tested in one trip?

Yes, nearby sites can be grouped. List each address and headcount when you request the quote.

How are results delivered?

Electronically after the audiologist review. We confirm the expected delivery date when the visit is booked.

Do you also serve southern Indiana?

Yes. Sites near Greensburg and Columbus sit along our route, and Louisville-area Indiana sites are reachable from our Louisville trips.