Occupational Services

The ISTC- Occupational Services Department was established in 2013 to assist our Customers in meeting OSHA requirements for their employees.

Our Staff of Technicians are Trained, Experienced and DATIA certified for collections and NIOSH certified to administer the mandatory OSHA medical clearance questionnaire and perform Pulmonary Function Testing.

Our Medical Review Officer, Dr. David Nahin, is a nationally recognized MRO.

We Offer:

Drug and Alcohol Screening through our I-SAT Program, a fully electronic process with real time tracking of your employees and test results

Pulmonary Function Testing (PFT) - Medical Clearance Questionnaire- Our NIOSH Certified technicians administer the mandatory OSHA Medical Clearance Questionnaire (MEQ)

Supplied Air Training- This Training course offers “hands-on” training for employees in the correct and safe use of positive pressure supplied air respirators including Low Pressure Breathing Air and Egress along with instructing the participants on how to monitor the breathing air system and all associated equipment.

Mask Fit Testing- We conduct a Quantitative respirator fit testing using a TSI PortaCount .Our certified technicians will explain what to expect, the purpose of the test as well as instruct on how to wear, inspect and properly adjust the respirator.


We pride ourselves on the professionalism and quick turnaround time for your employees.

For Questions about our Occupational Service Department please call Director of Occupational Services Cindy Wright @ 832-514-4600 or Gina Vila @ 832-514-3703.

Training Facilities

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Occupational Services

Occupational Services Department The ISTC- Occupational Services Department was established in 2013 to assist our Customers in meeting OSHA requirements for their employees.
Our Staff of Technicians are Trained, Experienced and DATIA certified...
Read more

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