Block IV Slides 200106 (1)-pages-3.pdf

RESPIRATORS Bioenvironmental Engineering Apprentice IMMEDIATELY DANGEROUS TO HEALTH (IDLH) OXYGEN DEFICIENT ATMOSPHERE SKIN ABSORPTION WARNING PROPERTIES LOWER EXPLOSIVE LIMIT (LEL) CHANGE-OUT SCHEDULE ASSIGNED PROTECTION FACTOR ODOR THRESHOLD IDLH 13a OXYGEN DEFICIENT ATMOSPHERE SKIN ABS...

RESPIRATORS Bioenvironmental Engineering Apprentice IMMEDIATELY DANGEROUS TO HEALTH (IDLH) OXYGEN DEFICIENT ATMOSPHERE SKIN ABSORPTION WARNING PROPERTIES LOWER EXPLOSIVE LIMIT (LEL) CHANGE-OUT SCHEDULE ASSIGNED PROTECTION FACTOR ODOR THRESHOLD IDLH 13a OXYGEN DEFICIENT ATMOSPHERE SKIN ABSORPTION WARNING PROPERTIES Odor Threshold “minimum concentration at which a chemical can be detected by a persons sense of smell” LOWER EXPLOSIVE LIMIT (LEL) DEFINITIONS UNCLASSIFIED//FOR OFFICIAL USE ONLY CHANGEOUT SCHEDULE ASSIGNED PROTECTION FACTOR ODOR THRESHOLD 101 air purifying respirators RESPIRATORS Bioenvironmental Engineering Apprentice APR AIR-PURIFYING RESPIRATOR • Removes contaminants from ambient air • NEVER worn in oxygen deficient atmosphere Two Types of APR NegativePressure 13a Powered air purifying TYPES OF RESPIRATORS UNCLASSIFIED//FOR OFFICIAL USE ONLY 102 examples of air purifying respirators RESPIRATORS Bioenvironmental Engineering Apprentice Negative-Pressure APR FILTERING FACEPIECE DEVICE (FFPD) HALF-FACE MASK FULL-FACE MASK TYPES OF RESPIRATORS 13a UNCLASSIFIED//FOR OFFICIAL USE ONLY 103 examples of air purifying respirators RESPIRATORS Bioenvironmental Engineering Apprentice Negative-Pressure APR FILTERING FACEPIECE DEVICE (FFPD) 13a May only be approved as voluntary (optional) use. Only recommended to control hazards in medical care environments. TYPES OF RESPIRATORS UNCLASSIFIED//FOR OFFICIAL USE ONLY 104 examples of air purifying respirators RESPIRATORS Bioenvironmental Engineering Apprentice HALF-FACE MASK Negative-Pressure APR Extend from above the nose to below the chin Offer the lowest level of protection for all industrial respirators May only be worn when required for a process; workers cannot opt to wear them voluntarily. 13a TYPES OF RESPIRATORS UNCLASSIFIED//FOR OFFICIAL USE ONLY 105 examples of air purifying respirators RESPIRATORS Bioenvironmental Engineering Apprentice FULL-FACE MASK Negative-Pressure APR Cover the wearer’s eyes, nose, and mouth. Forms a seal around the user face, from the forehead to below the chin. Like half mask they may only be worn when required for a process, not as a voluntary control measure. 13a TYPES OF RESPIRATORS UNCLASSIFIED//FOR OFFICIAL USE ONLY 106 examples of air purifying respirators RESPIRATORS Bioenvironmental Engineering Apprentice Powered Air Purifying Respirator (PAPR) PAPRs are a complete system that includes a battery and pump, which are attached to a belt worn by the worker. It also includes filtering elements that attach to the pump, a loose-fitting hood, and a hose connecting the pump to the hood. 13a TYPES OF RESPIRATORS UNCLASSIFIED//FOR OFFICIAL USE ONLY 107 air purifying respirators RESPIRATORS Bioenvironmental Engineering Apprentice ATMOSPHERE-SUPPLYING RESPIRATORS • Provides clean breathing air • May be worn in oxygen deficient atmosphere Two Types of Atmosphere-Supplying Respirators Airline 13a Self-Contained Breathing Apparatus (SCBA) TYPES OF RESPIRATORS UNCLASSIFIED//FOR OFFICIAL USE ONLY 108 examples of atmosphere supplying RESPIRATORS Bioenvironmental Engineering Apprentice respirators Connected to a source of clean air by air hose Source of air may be from an ambient air pump or a compressed air system Airline TYPES OF RESPIRATORS 13a UNCLASSIFIED//FOR OFFICIAL USE ONLY 109 examples of atmosphere supplying RESPIRATORS Bioenvironmental Engineering Apprentice respirators The user carries air supply with them SCBA Most often used in emergency situations Free from ambient atmosphere and mobility is NOT restricted 13a TYPES OF RESPIRATORS UNCLASSIFIED//FOR OFFICIAL USE ONLY 110 RESPIRATORS Bioenvironmental Engineering Apprentice HEAD STRAPS/HEAD HARNESS designed to keep respirator in place FACEPIECE designed to make a tight seal INHALATION VALVES designed to prevent excessive exhaled air from affecting filters, cartridges, and canisters AIR PURIFYING ELEMENT designed to remove contaminants EXHALATION VALVES designed to allow air out but not in 13a MAJOR COMPONENTS OF A RESPIRATOR AND THEIR UNCLASSIFIED//FOR OFFICIAL USE ONLY 111 RESPIRATORS Bioenvironmental Engineering Apprentice Other controls do not reduce exposure below OEL Other control means not feasible Filtering Facepiece Devices Commonly referred to as dust masks When specified by OSHA Cannot recommend to control a hazard When exposures exceed an OEL Voluntary use only if does NOT create a hazard In emergency situations Required 13a Voluntary CATEGORIES OF RESPIRATORY PROTECTION UNCLASSIFIED//FOR OFFICIAL USE ONLY 112 RESPIRATORS Bioenvironmental Engineering Apprentice combination particulate cartridges filters chemical cartridges 13a TYPES OF FILTERS AND CARTRIDGES UNCLASSIFIED//FOR OFFICIAL USE ONLY 113 RESPIRATORS Bioenvironmental Engineering Apprentice • Protects against dusts, mists, fumes, and other particulate matter particulate filters • No protection against gases or vapors. • NOT used in oxygen deficient or in IDLH situations. 13a TYPES OF FILTERS AND CARTRIDGES UNCLASSIFIED//FOR OFFICIAL USE ONLY 114 RESPIRATORS Bioenvironmental Engineering Apprentice Filter Efficiency 13a TYPES OF FILTERS AND CARTRIDGES UNCLASSIFIED//FOR OFFICIAL USE ONLY 115 RESPIRATORS Bioenvironmental Engineering Apprentice • Protects against gases and vapors chemical cartridges • Designed to protect against SPECIFIC contaminants • NOT used in oxygen deficient or in IDLH situations. 13a TYPES OF FILTERS AND CARTRIDGES UNCLASSIFIED//FOR OFFICIAL USE ONLY 116 RESPIRATORS Bioenvironmental Engineering Apprentice • Protects against gases, vapors and particulate matter combination • NOT used in oxygen deficient or in IDLH situations. cartridges 13a TYPES OF FILTERS AND CARTRIDGES UNCLASSIFIED//FOR OFFICIAL USE ONLY 117 RESPIRATORS Bioenvironmental Engineering Apprentice Air purifying respirators Advantages: Disadvantages: • Lightweight • Use in tight spaces • Worn for longer periods • NOT used in IDLH atmosphere • NOT used for oxygen deficiency 13a ADVANTAGES AND DISADVANTAGES OF RESPIRATOR TYPES UNCLASSIFIED//FOR OFFICIAL USE ONLY 118 RESPIRATORS Bioenvironmental Engineering Apprentice Airline Respirators Advantages: Disadvantages: • • • • • Not a lightweight respirator • Hose length limits movement • Hose may tangle or crimp Can use in IDLH atmosphere Can use for oxygen deficiency Can use for long periods Moderate initial cost/low operating cost 13a ADVANTAGES AND DISADVANTAGES OF RESPIRATOR TYPES UNCLASSIFIED//FOR OFFICIAL USE ONLY 119 RESPIRATORS Bioenvironmental Engineering Apprentice Self-Contained Breathing Apparatus Advantages: Disadvantages: • Can use in IDLH atmosphere • Can use for oxygen deficiency • Air supply carried with user/unlimited movement • • • • 13a Not a lightweight respirator Tight spaces entry limited Time of use is limited Expensive ADVANTAGES AND DISADVANTAGES OF RESPIRATOR TYPES UNCLASSIFIED//FOR OFFICIAL USE ONLY 120 RESPIRATORS Bioenvironmental Engineering Apprentice Objective 13a Recall the operating principles, types, and components of respirators. 13a 13a 13a Definitions 13a Block 4 Unit 13 Categories of Respiratory Protection Types of Respirators 13a Types of Filters and Cartridges UNCLASSIFIED//FOR OFFICIAL USE ONLY 13a Major Components of a Respirator and Their Function Advantages and Disadvantages of Respirator Types 121 CARE AND MAINTENANCE OF RESPIRATORS Bioenvironmental Engineering Apprentice Objective Block 4 Unit 14 Recall the care and maintenance of respirators. 14a 14a 14a Cleaning and Sanitizing Respirators Inspection and Storage Requirements UNCLASSIFIED//FOR OFFICIAL USE ONLY 122 cleaning/sanitizing procedures CARE AND MAINTENANCE OF RESPIRATORS Bioenvironmental Engineering Apprentice CLEANING/SANITIZING PROCEDURES 14a 4 RINSE 1 REMOVE 5 HAND DRY 2 DISASSEMBLE 6 REASSEMBLE 3 WASH 7 OPS CHECK CLEANING AND SANITIZING RESPIRATORS UNCLASSIFIED//FOR OFFICIAL USE ONLY 123 cleaning/sanitizing procedures CARE AND MAINTENANCE OF RESPIRATORS Bioenvironmental Engineering Apprentice FREQUENCY FOR CLEANING RESPIRATORS INDIVIDUAL ISSUE As often as necessary to maintain sanitary condition SHARED RESPIRATORS Before changing users 14a EMERGENCY USE After each use FIT-TESTING AND TRAINING After each fit-test CLEANING AND SANITIZING RESPIRATORS UNCLASSIFIED//FOR OFFICIAL USE ONLY 124 inspection of respirators CARE AND MAINTENANCE OF RESPIRATORS Bioenvironmental Engineering Apprentice HEAD STRAPS FACEPIECE • Loss of elasticity • Broken buckles • Breaks or tears • Rips, tears, cracks, holes • Distortion of natural shape • Lens damage • Broken/missing mounting clips INHALATION VALVES • • • • Dust on valve seal Improper installation Rips, tears, cracks, holes Missing defective valve cover • Pliability AIR PURIFYING ELEMENT • • • • • Dust on valve seal Proper filter Missing gaskets Housing cracks or dents Worn or dirty 14a EXHALATION VALVES INSPECTION AND STORAGE REQUIREMENTS UNCLASSIFIED//FOR OFFICIAL USE ONLY 125 cleaning/sanitizing procedures CARE AND MAINTENANCE OF RESPIRATORS Bioenvironmental Engineering Apprentice INSPECTION FREQUENCY ROUTINE RESPIRATORS Before each use and during cleaning EMERGENCY USE Inspect monthly and check proper function before and after each use EMERGENCY ESCAPE ONLY Before being carried into workplace for use 14a CLEANING AND SANITIZING RESPIRATORS UNCLASSIFIED//FOR OFFICIAL USE ONLY 126 storage requirements CARE AND MAINTENANCE OF RESPIRATORS Bioenvironmental Engineering Apprentice Emergency Respirator Storage Protect Against Chemical Agents Protect Against Physical Agents To Prevent Distortion of Rubber Clearly marked containers in accordance with manufacturers instructions. Plastic bags or closed containers, away from any process involving chemicals. In climate controlled room, away from shop process. On a shelf, one respirator per container. storage requirements 14a INSPECTION AND STORAGE REQUIREMENTS UNCLASSIFIED//FOR OFFICIAL USE ONLY 127 CARE AND MAINTENANCE OF RESPIRATORS Bioenvironmental Engineering Apprentice Objective 14a Block 4 Unit 14 Recall the care and maintenance of respirators. 14a 14a Cleaning and Sanitizing Respirators Inspection and Storage Requirements UNCLASSIFIED//FOR OFFICIAL USE ONLY 128 RESPIRATOR SELECTION Bioenvironmental Engineering Apprentice Objective 15a Block 4 Unit 15 Given a respiratory selection form and instructor guidance, identify how to select an appropriate respirator IAW PT IV-15a 15a Selection of Respirators UNCLASSIFIED//FOR OFFICIAL USE ONLY 129 definitions RESPIRATOR SELECTION Bioenvironmental Engineering Apprentice Definitions hazard ratio Concentration of the contaminant as an 8 hr TWA divided by OEL SELECTION OF RESPIRATORS 15a UNCLASSIFIED//FOR OFFICIAL USE ONLY 130 definitions RESPIRATOR SELECTION Bioenvironmental Engineering Apprentice Definitions maximum use concentration Maximum concentration of a hazardous substance that a respirator can be expected to protect against SELECTION OF RESPIRATORS 15a UNCLASSIFIED//FOR OFFICIAL USE ONLY 131 proper selection RESPIRATOR SELECTION Bioenvironmental Engineering Apprentice Assigned Protection Factors 15a SELECTION OF RESPIRATORS UNCLASSIFIED//FOR OFFICIAL USE ONLY 132 proper selection RESPIRATOR SELECTION Bioenvironmental Engineering Apprentice Proper Selection Respirator selection involves considering the following: Worker activity – Location during hazardous exposure and rate of work activity Respirator Use Conditions – How long respirator is worn Location of the Potential Hazardous Area – How far safe breathing area is from hazardous area 15a SELECTION OF RESPIRATORS UNCLASSIFIED//FOR OFFICIAL USE ONLY 133 proper selection RESPIRATOR SELECTION Bioenvironmental Engineering Apprentice Proper Selection Respirator selection involves considering the following: Operational Limitations – Environmental conditions and level of effort required IDLH Conditions – Should not be entered unless last resort Other Exposure Routes – Skin absorption or external radiation 15a SELECTION OF RESPIRATORS UNCLASSIFIED//FOR OFFICIAL USE ONLY 134 proper selection RESPIRATOR SELECTION Bioenvironmental Engineering Apprentice Selection Worksheet Four Parts of Air Force Form 2773 Part I - Contaminant Classification Part II - Warning Properties Part III - Special Considerations Part IV - Respirator Selection 15a SELECTION OF RESPIRATORS UNCLASSIFIED//FOR OFFICIAL USE ONLY 135 RESPIRATOR SELECTION Bioenvironmental Engineering Apprentice Objective 15a Block 4 Unit 15 Given a respiratory selection form and instructor guidance, identify how to select an appropriate respirator IAW PT IV-15a 15a Selection of Respirators UNCLASSIFIED//FOR OFFICIAL USE ONLY 136 RESPIRATORY PROTECTION PROGRAM EVALUATION Bioenvironmental Engineering Apprentice Block 4 Unit 16 Objective 16a Describe the procedures for evaluating the workplace Respiratory Protection Program. 16a 16a 16a Respiratory Protection Program Elements Evaluating Shops UNCLASSIFIED//FOR OFFICIAL USE ONLY Medical Evaluations 137 RESPIRATORY PROTECTION PROGRAM EVALUATION Bioenvironmental Engineering Apprentice RPP elements WORKPLACE-SPECIFIC WRITTEN PROGRAM RECORDKEEPING IDENTIFICATION OF FILTERS, CARTRIDGES, AND CANISTERS RESPIRATORY PROTECTION PROGRAM ELEMENTS 16a UNCLASSIFIED//FOR OFFICIAL USE ONLY 138 RESPIRATORY PROTECTION PROGRAM EVALUATION Bioenvironmental Engineering Apprentice basic elements Current OI approved by BE Adequacy of respirator Adequate air supply (airsupplied RP) Adequacy of maintenance and storage practices Documentation of inspection Applicable OSHA substancespecific standards 16a Documentation of respirator training Cleaning procedures EVALUATING SHOPS UNCLASSIFIED//FOR OFFICIAL USE ONLY Filters and supplies (air purifying RP) 139 WORK AREA RESPIRATORY PROTECTION PROGRAM EVALUATION Bioenvironmental Engineering Apprentice MEDICAL EVALUATION QUESTIONNAIRE Before receiving a fit-test all workers must fill out questionnaire Questionnaires are evaluated by a licensed Healthcare Professional who will determine if worker is qualified for respirator use QUALIFIED FOR USE QUALIFIED FOR USE WITH CONDITIONS NOT QUALIFIED 16a MEDICAL EVALUATIONS UNCLASSIFIED//FOR OFFICIAL USE ONLY 140 WORK AREA RESPIRATORY PROTECTION PROGRAM EVALUATION Bioenvironmental Engineering Apprentice FOLLOW-UP MEDICAL EVALUATIONS Must be provided for an employee who gives a positive response to any question on the questionnaire 16a MEDICAL EVALUATIONS UNCLASSIFIED//FOR OFFICIAL USE ONLY 141 RESPIRATORY PROTECTION PROGRAM EVALUATION Bioenvironmental Engineering Apprentice Block 4 Unit 16 Objective 16a Describe the procedures for evaluating the workplace Respiratory Protection Program. 16a 16a 16a Respiratory Protection Program Elements Evaluating Shops UNCLASSIFIED//FOR OFFICIAL USE ONLY Medical Evaluations 142 RESPIRATOR FIT TESTING Bioenvironmental Engineering Apprentice Objective 17a 17a Block 4 Unit 17 Given references, respirators, and supplies, perform qualitative fit testing IAW PT-IV-17a. 17a Performing Qualitative Fit-Testing 17a Equipment and Supplies 17a Sensitivity Test Procedure Qualitative Fit Testing Procedures UNCLASSIFIED//FOR OFFICIAL USE ONLY 143 RESPIRATOR FIT TESTING Bioenvironmental Engineering Apprentice Objective 17b 17b Block 4 Unit 17 Given references, respirators, and supplies, perform quantitative fit testing IAW PT-IV-17b. Purpose of Performing Quantitative Fit-Testing 17b 17b Equipment and Supplies 17b The Portacount System 17b Quantitative Fit Test Procedures UNCLASSIFIED//FOR OFFICIAL USE ONLY Quantitative Fit Test Methods 144 RESPIRATOR DATA IN DOEHRS Bioenvironmental Engineering Apprentice Objective 18a Block 4 Unit 18 Given instructional workbook computer and internet access, input respirator data into DOEHRS IAW PC-IV-18a. 18a 18a Input Respirator Information UNCLASSIFIED//FOR OFFICIAL USE ONLY Input Respirator Fit Test 145