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Management of Hazardous Materials. Chapter 12. Engineering/Working Practice Controls. Physical equipment and mechanical devices that protect employees. Splash guards on model trimmers, ventilation hoods, and sharps containers.

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Management of Hazardous Materials

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engineering working practice controls
Engineering/Working Practice Controls
  • Physical equipment and mechanical devices that protect employees.
  • Splash guards on model trimmers, ventilation hoods, and sharps containers.
  • Employer must ensure that hands are washed and eyes are flushed if contact with microorganism/hazardous material has occurred.
controls cont
Controls Cont…
  • Any mucous membrane must be flushed if contact with blood or OPIM ( other potentially infectious material ) has occurred.
  • Occupational exposure is: any reasonable anticipated eye, skin, mucous membrane, or parenteral contact with blood or other OPIM due to work related activities.
  • Parenteral: piercing the mucous membrane by the way of needle stick, cuts, or abrasions.
according to osha
According to OSHA:
  • Anything visually contaminated with blood.
  • Saliva in dental procedure
  • Cerebrospinal fluid
  • Amniotic fluid
  • Synovial fluid
  • Pleural, Peritoneal, and Pericardial fluids.
  • Semen/Vaginal secretions
osha cont
Unfixed tissue

HIV/HBV cultures/solutions

Blood, organs, tissues from animals with HIV/HBV

These Are All Considered Potentially Infectious!

OSHA Cont…
  • Needle guards may be used to protect against sticks.
  • Needle should NEVER be recapped using two handed technique.
  • Use scoop method, using one hand.
  • All contaminated sharps are put in a labeled, leak-proof, puncture resistant container.
sharps cont
Commonly placed items like: blades, broken glass, ortho wire, anesthetic carpules, and sharp broken instruments and burs.

When sharps container is full: seal, sterilize, and send out to biohazard agency.

Sharps Cont….
occupational exposure to bloodborne pathogens
Any employee who has experienced and occupational exposure must report it immediately.

Confidential medical evaluation ( doctor visit ) and follow-up must be provided by employer at no cost to employee.

Occupational Exposure to Bloodborne Pathogens
documentation of the exposure incident
Documentation of the Exposure Incident
  • Dentist documents info on incident
  • Included is: routes of exposure, circumstances surrounding exposure, and identity of the source if known.
  • Report is confidential
  • Report is given to medical provider
  • If source patient is known, request of his/her HBV/HIV status will be made
documentation cont
If source doesn’t consent to testing, documentation must be completed.

If source will be tested, it should be done as soon as possible and the employee notified.

Documentation Cont….
exposed employee blood collection and testing
Exposed Employee Blood ( Collection and testing )
  • Employee has a right to refuse testing up to 90 days.
  • Employee may have baseline test for HBV/HIV.
  • Employee may consent to only HBV and not HIV.
  • Employee’s blood is saved for 90 days in case their mind is changed.
exposed employee cont
All testing is done at an Accredited lab.

No cost to the employee.

Medical professional will notify employee of the results.

Exposed Employee Cont…
post exposure follow up procedure
Post-Exposure Follow-Up Procedure
  • Employee must be provided counseling.
  • Employee must also be counseled on protection during sexual contact.
  • Employee will be continually evaluated for any health developments.
  • If any medical treatment is needed, a referral will be made immediately.
employee work site
Employee must have clean and sanitary work site.

Written infection control and decontamination procedure must be available.

Proper disposal of garbage/biohazards must be observed.

Broken glass must be placed in sharps container.

Laundry that is sent out must be in labeled bag with a biohazard symbol.

Employee Work Site
hazardous chemicals
Employees must receive training.

Training must occur within 30 days of being hired.

Must have documentation of training on file.

Must have written standards for hazardous chemicals and bloodborne pathogens.

Hazardous Chemicals
material safety data sheets msds
Every office must have a manual.

It must be alphabetized, indexed, and available to all employees.

Can be on hard copy or computerized.

If MSDS isn’t available, one Must be requested.

Material Safety Data Sheets ( MSDS )