Try that excuse with OSHA, "hey my workers need to see better, so they can't wear PPE" If you can't do a job with the right PPE, don't do it.
If you tell OSHA that the workers cannot see because of the PPE, they will tell you to find a way to minimize or eliminate the hazard and still use the necessary PPE.
That is what they have done. They have a person who watches for any hazards that could potentially damage the hazmat suits. Since he is not going on the flight, and the patient (source of the hazard) is contained
inside a hazmat suit, he faces no hazards.
If an electrical lineman is going to be within range of energized equipment, he must wear PPE to prevent electrocution. If he cannot see all the hazards, a spotter will be assigned to watch for the hazards. The spotter does not need to wear the PPE to prevent electrocution. Same situation here.
Wrong at all times on the job you always wear your PPE
That applies for general PPE. A hazmat suit is specialized PPE and is not worn unless there is a reasonable expectation of exposure. In the situation shown in the OP, there is no reasonable expectation of exposure.
The spotter does not wear PPE for high voltage work, since he will not be within the range of the hazard.
When you wear hazmat gear to go into a tank, does everyone in the entire plant don hazmat gear?
one more time while on any job you are required by OSHA to wear your PPE NO MATTER WHAT YOUR TASK IS
One more time, the PPE is required for a hazard. The protocol officer has no reasonable expectation of a hazard.
You say you have worn hazmat suits. Do you wear them every day, all day? Does everyone at your place of employment wear them every day?
Here is the OSHA requirement from the 1910 standard:
1910.132(a) "Application. Protective equipment, including personal protective equipment for eyes, face, head, and extremities, protective clothing, respiratory devices, and protective shields and barriers, shall be provided, used, and maintained in a sanitary and reliable condition wherever it is necessary by reason of hazards of processes or environment, chemical hazards, radiological hazards, or mechanical irritants encountered in a manner capable of causing injury or impairment in the function of any part of the body through absorption, inhalation or physical contact."
1910.132 (d)(1) "The employer shall assess the workplace to determine
if hazards are present, or are likely to be present, which necessitate the use of personal protective equipment (PPE). If such hazards are present, or likely to be present, the employer shall:"
There is no hazard present, nor is there likely to be one.