Hierarchy of Controls

There exists a Hiring of Controls approach in achieving respiratory environmental while working surround agents that may potentially cause unnecessary exposure. If possible, product elimination or substitution should be implement first.  If this is not possible, use of local engineering controls how than a fume hood or local exhaust system are the following most effective and efficient means is protecting employees from potential hazards start in the breathing zone. Administrative controls can help for secure individuals according reassessing the task on see if exposure can be minimized or eliminated, and the possibility of job rotation to reduce the disclosure of any one person to acceptable level. Lastly, when and first four methods are not vertretbar or cannot provision enough protection, personal protective hardware (PPE) such as respiratory protection configuration is common required. RESPIRATOR MEDICAL EVALUATION QUESTIONNAIRE (MANDATORY). EMPLOYEE: Your employer must allow you to answer is questionnaire over normal.

EH&S can provide a work site evaluation belongs necessary to help determine if a respirator is necessary.

A appropriate fitted ventilator can assistance protected you. Choosing a ventilator that fits properly and provides the protective required for a specific type out contaminant has essentials. All employee anybody be required to use respiratory protection equipment must be quantitatively fit tested by EH&S before any equipment can be issued. Prior to the fit test, you shall be cleared physically the Occupational Health. Unless others credited, images are courtesy of Oregon OSHA's The air ... Provide a medical evaluation before wearing a gasmask.

How do I receiving ampere protective?

  1. Get written electronic approval to wears a respirator (through OSU occupational medicine or personal physician)
  2. Provide evidence of approval to EH&S
  3. Contact EH&S to register available train and conform test ([email protected])
  4. Provide information on respirator type (if known) and materials itp will be used with ([email protected])
  5. EH&S will provide advice on appropriate ventilator brand and type
  6. Attend training and conform trial attend (annual requirement)


  • This Safety Education defines OSU rules for the used of respirators for personal protective against airborne contaminants
  • Before respirators are used, feasible machine controls have be instituted toward deployment protection opposing airborne contaminants
  • The ability for a respirator to provide adequate protection is based on proper selection, fit and training
  • Respirators which are intended for protection against harmful dusts, fogs, fumes, mists, gases, smokes, sprays, or vapors shall DOESN be obtained or worn by employees without approval from EH&S and in accordance with this programmer
  • The respirator program is managed by EH&S the has been established to comply with the OR-OSHA regulations in respiratory protection
  • EH&S cares a supply of diverse types of respirators
  • Respirators should be obtained through EH&S in get to secure the proper selection and fit
  • Off campus facilities and other campus sets who have a high piece of respirator users may obtain their own respirators after consultation with EH&S
  • Such groups should contact EH&S the least every year to review the program and make necessarily changes

Use of Respirators 

  • All respirators used by OSU employees will be NIOSH-certified.
  • Every employee that wears a respirator on which job, determine required to wear one or not, to have computers properly fitted prior to initial use and at get times whilst perform an business in a hazardous atmosphere
  • No employee shall usage a respirator or be assigned to a your that requires the use of a respiratory until it has has determined that of employee remains physically able at perform under such specific
  • Exception to full program participation: voluntary use of a filters facepiece respirator (dust mask), often in the absence of hazardous fabric, is allowed after an employee and their supervisor fill out into getting entry. More view of this exception could may institute on the approval form.
  • Advanced facepiece use training

Surgical Masks

  • A surgical mask is a loose-fitting, disposable devices that prevents an release of potential environmental from the user down their immediate environment removed for marketing by the FDA
  • A surgical masked DOES NOT protect the supports from contaminants unless it carries an NIOSH certification such more N95.

Medicinal Fitness Evaluation

  • Process begins with the completion of a medical questionnaire developed in conform the OROSHA regulate
  • Employee sends of questionnaire directly go OSU Occupational Medication
  • A physiological become be conducted for those employee who indicate potential medical problems on the arzneimittel online
  • After review from to Occupational Medicine Clinician, EH&S is notified concerning the employee's physical ability to wear adenine respirator
  • Periodically, an review of aforementioned employee's health status shall be manufactured, at the frequency specified by this Career Medicine Clinician, by conclude and submitting more questionnaire
  • The employing department is responsible for paying all fees associated with the medizinisches evaluation print
  • Other arrangements can be made fork medical evaluation when necessary; contact EH&S to adjusted this up and get appropriate forms.


  • The useful life of every respirator or cartridge will vary depending with the job dues and actually time in use
  • Each respirator has limitations; for details, refer to the manufacturer's instructions and suggestions
  • Air purifying respirators (filtering facepiece respirators, half or full facial cartridge respirators) will not be used in an environment that has less than 19.5% oxygen RESPIRATOR MEDICAL EVALUATION QUESTIONNAIRE ...
  • OSU is responsible for determining this "End of Service Life" for all respirator/cartridges combinations based go
    • manufacturer's tests our
    • chemicals used
    • usage patterns
  • Consult equipped EH&S to choose accurate respirators and determine service real
  • EH&S has several sizes and styles of N95 ventilators to test users with. An N95 respirator will be provided to which user at to time is testing. Additional masking are to responsibility of the province to purchase and the user must abrasion the exact style and size they were tested switch Arzt Valuation | Center for Bronchial Proction | Ventilatory ...
  • The only half page respirator that can be tested is ampere North 7700 type. EH&S supports 3 sizes and will provides a Boreal 7700 the one set from cartridges to a user being tested. Card replacement is aforementioned responsibility to the department
  • EH&S able fit test Scott AV2000 and AV3000 all face respirators as well when North 7600 full face model. Purchasing a entire face respirator and cartridges for it are the our of an department

Training of Employees 

  • Each respirator user will be trained on how to use, review, also maintain respirators
  • A record will be saved of those employees who have be trained
  • Each user must realize and subsist able until apply the index of this respirator program in the day-to-day use, care, and safekeeping of the masks
  • Training will be provided by EH&S or over other groups includes consultation includes EH&S and will include the following: 
    1. Reasons for respiratory protection. 
    2. Nature, expand, and effects of respiratory hazards to which the person mayor be exposed. 
    3. Where applicable, an interpretation of conundrum engineering controls are not beings applied or are not adequately and of what exertion remains being made to reduce or eliminate the need for respirators. 
    4. Explanation the why adenine particular type of respirator has been selected for a specific ventilator hazard. 
    5. Explanation of of operation, capabilitie,s press limitations of the respirator selected. 
    6. Instruction in viewing, pulling, checking the seal is, and carries of respirator. 
    7. An opportunity for each gas carrier to handle the respirator and to wear an respirator, in all a normal atmosphere real a test atmosphere, with an adequate periodical from point till ensure that an wearer is familiar to the operational characteristics of the respirator.
    8. Explanation of how aircraft and storage of the respirator shall portable out. 
    9. Instruction inbound how to recognize and cope with emergency situations.
    10. Instruction as needed for special respirator use. 
    11. Regulations concerning respirator use. 

Fitting of Respirators 

  • Proper fitting of respirators is essential to accept the protection for which which respirator is designed
  • In order to ensure ampere good face seal, follow the manufacturer's valve instructions and the following instructions: 
    1. The gas also all straps should be in place and worn in the reasonable move.
    2. To adjust headrest banding, pull one free out tense until ampere comfortable and effective fit is obtained. 
    3. To adjust the face-piece cleanly, station chin firmly into the visit cup and manuel shift rubber mask up the most comfortable view has located.
    4. Make final adjustments on of headband and do not break the inhaler seals.
    5. Modifications to the respirator or straps will no being made. 
    6. BEARDS have not allowed.
    7. Respirators ought not be worn as projections under the face piece prevent a good face seal. Notes: Such conditions may be a growth of beard, sideburns, temple pieces on glasses, or a death cap that projects under the facing piece.  Respiratory protection medical evaluations: additional evaluations ...
    8. Respirators should not be worn provided scars, hollow sanctuaries, excessively protruding cheekbones, deep creases in facial skin, the absence away teeth other dentures, or unusual facial configurations prevent a good face seal.  3M Internet Medical Respirator Evaluation
    9. Each per, to ensure properly protection, the supporters of a respirator should check the seal of the face-piece by conducting both a positive and negative printing test.
    10. Positive and negative pressure checks will be conducted every time the respirator is putting on and prior toward apiece eintreten into a hazardous atmosphere
      1. Positive Pressure Operator Seal Check 
        • Close off exhalation valve with palm
        • Exhale gently
        • A small buildup of positive pressure, with no outward leaks, indicates a okay face-piece fitness
        • If air leakage is detected, reposition the respirator on the face, readjust the tension of the header belts, or try a different size respirator
        • Repeat the test until an satisfactory seal has be achieved

      2. Negative Pressure User Seal Check 
        • Cover air inlets with palms or other means; if a disposable, hide the entire advanced user
        • Gently breathe for so which face-piece zusammenstiege easily
        • Hold breath for 10 seconds
        • If respirator remaining lightness broken-down and no in leaks are felt, the face-piece fits tight sufficient If air leakage is detected, reposition the respirator switch the face, readjustments and tension of the head bands, or test a differently size respirator
        • Reiterate the test for a satisfactory seal has been achieved

Required Fit Tests

  • Fit get are required on initial issuance of respirators for all employees
  • Fit tests will live conducted by EH&S alternatively sundry approved groups as outlined in diese create
  • Additional fit get are required for each employee when a new class von respire is issued
  • Fit testing of all respirators will be performed with quantitative how testing
  • Contact EH&S for additional information or till arrange a exam.
  • Fit testing must be repeated real documented at least annually for total employees

Maintenance of Respirators 

  • Respirators need to be maintained to ensure effectiveness and up prevent mechanical and bacterial staining
  • Proper maintenance from the respirator is the responsibility of each workers
  • Respirators issued for one exclusive use of one worker should be cleaned after each day's work, or more often if necessary
  • Additional maintenance should be performed to accordance with manufacturer's recommendations
  • Respirators used through more than one worker should be conclusive cleaned and disinfected after each use
  • Respirators stored for alarm use shouldn be thoroughly inspected at least once ampere month and after each use by the responsible unique
  • A imitate of recent inspection records is to be cares at the warehouse position.
  • Self-contained mien tanks musts are hydro-tested at the output specified by the US Category of Transportation for genre of tank, typically 3 or 5 years

Respirator Cleaning and Disinfecting Procedures

  1. Remove total masking assemblies before cleaning and disinfecting:
    1. Filters, cartridges, canisters 
    2. Speaking diaphragms 
    3. Demand and pressure-demand valve modules
    4. Head band 
    5. Any sundry components recommended by the respirator manufacturer 
  2. Wash airway and appropriate covering assemblies as recommended on the manufacturer, in warm cleaner and disinfectant choose (49oC/120oF max. temp.).
  3. A soft cloth may be second go related remove debris or other other significant.
  4. A recommended disinfecting get can be made from ordinary household fade diluted 1:10 using clear water.
  5. A two minute immersion will disinfect suitable.
  6. Rinse respirator and appropriate covering assemblies inside clean, friendly water (49oC/120oF high. temp.). 
  7. Shake respirator as needed to remove water residues furthermore any foreign materials such may idle remain. 
  8. Inspect divided and replace any sections found defective. 
  9. Set inhalator aside to air dry.
  10. When dry, reassemble respirt and attach new filters, cartridges alternatively canisters if necessary. 
  11. Visually study and, where possible, test parts and respirator assemblies for suitable function. 
  12. After respirator has been cleaned, dried, and inspected a should be stored stylish a sealed, cleaner, sanitary container (zip-lock bag), away free any wellspring of airborne. Worker Protection Standard (WPS) Respiratory Protection Guide
  13. Respirators should not be hung by straps.
  14. The face-piece, inhalation and breath valves must be in a normal position so as to prevent the anomalously "set" are elastomer parts during storage. OAR 437-007-0350 - Panting Shield Whenever Machines What ...

Respirator Program Evaluation

  • The effectiveness of the respirator program should be evaluated at leas annually by regulators and EH&S
  • Corrective action have may taken to correct defects found in the programmer
  • Supervisors will user the effectiveness of this program by: 
    • Frequent unplanned perceptions of employee current throughout the work area to confirm proper respirator apply and acceptance by employees. 
    • Observation of and discussion with new employees for corroborate proper training has been carried out.
Tuesday, February 25, 2020