Respiratory Protection Personal Protective Clothing EPA Levels of Protection Site Control/Decontamination

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Respiratory ProtectionPersonal Protective
ClothingEPA Levels of ProtectionSite
Control/Decontamination

• Larry Wong, CIH
• University of California Office of the President

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Personal Protective Equipment (PPE)

• Head Protection
• Hard Hat
• 5 Year Lifespan
• Face and Eye Protection
• Goggles, Safety Glasses, Face Shield
• Foot Protection
• Safety Shoes, Protective Booties
• Hand Protection
• Gloves
• Body Protection
• Chemical Protective Clothing, Apron

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Use of PPE

• Must Meet ANSI Standards
• Training for PPE User
• Proper Use, Storage, Manufacturers Instructions
• Limitations
• Training Prior to Use
• Clean and Sanitized
• Sanitized Between Users If Skin Contact Occurs

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Chemical Protective Clothing

• Tyvek
• Tychem QC
• Polyethylene
• Tychem SL
• Saranex-23P
• 2.0 Mil Thickness
• Chemrel
• Multi-Layer Film Barrier

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Chemical Protective Clothing

• Tychem CPF 1
• 1.5 oz/yd2 Polypropylene Substrate
• Tychem CPF 2
• 1.5 oz/yd2 Non-Woven Substrate
• Tychem CPF 3
• 2.0 oz/yd2 Polypropylene Substrate
• Tychem CPF 4
• 2.3 oz/yd2 Polypropylene Substrate

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Chemical Protective Clothing

• Tychem BR
• 2.3 oz/yd2 Polypropylene Substrate
• Tychem F
• Proprietary Barrier Laminated to Tyvek
• 4H or Silvershield

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Haz Mat Protective Clothing

• Tychem TK
• No Permeation after 8 Hrs. for gt260 Chemicals
• Tychem Responder
• 3.0 oz/yd2 Polypropylene Substrate
• Tychem Responder CMS
• Tychem Responder Designed for Weapons of Mass
  Destruction (WMD)

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Gloves

• Butyl
• Nitrile
• Neoprene
• 4H or Silvershield
• Barrier Laminated Film

• Polyvinyl Chloride (PVC)
• Polyvinyl Alcohol (PVA)
• Rubber
• Viton

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Selection of CPC Gloves

• Degradation NR, P, F, G, E
• Penetration Seams, Holes, Zippers
• Permeation - µg/cm2/Minute or Hour
• Breakthrough Time Minutes or Hours

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PPE Selection

• Manufacturers Selection Charts
• Manufacturers Fax Number
• Internet
• Computer Programs/CD Roms
• Computer-Aided Management of Emergency Operations
  (CAMEO) Program
• Reference Books

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PPE Limitations

• Affects Mobility
• Hazard Around Machinery
• Heat Stress
• Training in Heat Illness Prevention Program
• Work-Rest Cycle
• Drink Fluids (8 oz. of Water) Every 30 Minutes
• Shaded Work/Rest Area
• Biological Monitoring (Heart Rate)
• Administrative Controls

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Donning PPE and Gloves

• Double Glove
• Tape Seams

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Types of Respirators

• Air Purifying Respirator (APR)
• Air Cleaned Through Cartridge and/or Filter
• Supplied Air
• Pressure Demand SCBA

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Major Respirator Program Elements

• Initial Annual Fit-Testing
• Initial Annual Training
• Determination By Physician or Licensed Health
  Care Professional (PLHCP)
• Respirator, Cartridges, and/or Filters Must Be
  Approved By NIOSH (TC Number)
• Replacement Parts
• Cleaning, Sanitation, Storage Program

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Respirator Protection Factor (PF)

• PF for a Respirator
• Measure of Amount of Protection the Respirator
  will Provide to Wearer
• Revised OSHA Respirator Regulation, 29 CFR
  1910.134
• Promulgated in 1998
• No Assigned PF in Original 1998 Standard
• NIOSH ANSI Z88.2
• PFs were Different

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Respirator Protection Factor

• PF in OSHA Regulation 1910.134(d)(3)(i)(A)
• Noticed in Federal Register on August 24, 2006
• Became Effective November 22, 2006
• Cal/OSHA Respirator Regulations, Title 8
  California Code of Regulations, Section 5144
• Will Adopt New OSHA Assigned Protection Factors
  in 2007

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APR Assigned Protection Factors
Type of Respirator Quarter Mask Half Mask Full Face-piece Helmet Or Hood Loose-Fitting Facepiece
Air-Purifying Respirator (APR) 5 10 50 -------- --------
Powered Air-Purifying Respirator (PAPR) ------- 50 1000 25 or 1000 25
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Air-Supplied Respirator Assigned PFs
Type of Respirator Half Mask Full Face- Piece Helmet or Hood Loose- Fitting Face- Piece
Supplied Air Demand Mode Continuous Flow Pressure Demand 10 50 50 50 1000 1000 -------- 25/1000 -------- ---- 25 ----
SCBA Demand Mode Pressure Demand 10 ---- 50 10,000 50 10,000 ---- ----
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APRs

• Filters Change When Difficult to Breathe
• Cartridges Change Schedule or End of Service
  Life Indicator (ESLI)
• Annual Fit-Testing
• Qualitative or Quantitative
• Donning
• Positive Negative Pressure Fit-Test

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Limitations of APR

• Adequate Oxygen
• Known Contaminant
• Known Concentration
• Concentration ltIDLH
• ESLI or Change Out Schedule

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Pressure Demand SCBA

• 30 to 60 Minutes Breathing Air
• Protection Factor 10,000
• Use in Oxygen Deficient Atmosphere
• Can Be Used in Unknown Contaminant/Concentration
  Atmospheres
• Can Be Use in IDLH Atmospheres

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U.S. EPA Levels of Protection

• Generally No Set in Stone One Type for Each
  Level (See Attachment A)
• Main Difference - Type of Respiratory Protection
• EPA Levels
• Level A
• Level B
• Level C
• Level D

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Level A

• Level A
• Highest Level of Protection
• Inhalation Hazard and Skin Hazard
• Fully Encapsulating Suit
• Supplied Air Respirator

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Level B

• Level B
• Inhalation Hazard
• Unknown/IDLH/O2 Deficiency
• Contaminant in Which an Air-Purifying Respirator
  Cannot Be Used
• Supplied Air Respirator
• Protective Clothing May or May Not Be Required

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Level C

• Level C
• Air-Purifying Respirator (APR)
• Protective Clothing May or May Not Be Required

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Level D

• Level D
• No Respiratory Hazard - No Respirators
• Protective Clothing May or May Not Be Required

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Site Control/Decontamination

• Hot Zone - Contaminated
• Contamination Reduction Zone Removal of PPE,
  Decontamination of Personnel
• Located Upwind from Hot Zone
• Clean Zone No Contamination

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Site Control
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Example of Contamination Reduction Zone Decon Line

• 1. Contaminated Equipment Drop
• 2. Remove Tape
• 3. Remove Outer Gloves
• 4. Remove Outer Booties

• 5. Remove SCBA Backpack (Keep Facepiece On)
• 6. Remove Suit
• 7. Remove Respirator Facepiece
• 8. Remove Inner Glove

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