Florida Operations Level Hazardous Materials Training Unit 5.1 MISSION SPECIFIC: Personal Protective Equipment (PPE) Objectives Describe the types of personal protective equipment and EPA levels of protection Identify the different designs of vapor-protective and splash-protective clothing Identify the advantages and disadvantages of different types of heat exchange units Identify at least three indications of material degradation of chemical-protective clothing Identify at least three indications of material degradation of chemical-protective clothing Identify the physiological and psychological stresses of using personal protective equipment Given a scenario involving hazardous materials/WMD incidents and the emergency response plan and/or standard operating procedures, demonstrate the technical decontamination duties assigned in the incident action plan Identify the safety procedures and emergency procedures for personnel wearing personal protective equipment Demonstrate local procedures for going through the technical decontamination process Describe the maintenance, testing, inspection, storage, and documentation procedures for personal protective equipment provided by the AHJ according to the manufacturer’s specifications and recommendations Given a scenario involving a hazardous materials/WMD incident, identify and complete the reporting and documentation requirements consistent with the emergency response plan and/or standard operating procedures regarding personal protective equipment Florida Operations Level Hazardous Materials Training Program Unit 5.1 2 PPE Use Use of PPE in the hazardous materials/WMD setting must be directed by organizational policies and procedures or, directed by the technical over-sight of trained hazardous materials technicians Florida Operations Level Hazardous Materials Training Program Unit 5.1 3 Hazard Based Response The process of developing personal protective measures designed to specifically address the hazards that are present at the scene in order to achieve an acceptable level of risk Florida Operations Level Hazardous Materials Training Program Unit 5.1 4 Acceptable Risks Risk vs. Gain We will risk more to achieve more We will risk little to achieve little Perception Based on Knowledge, training and job experience Knowledgeable Safety Officer Florida Operations Level Hazardous Materials Training Program Unit 5.1 5 Mechanisms of Harm Thermal Etiological Asphyxiation Mechanical/Electrical Chemical Psychological Radiological Florida Operations Level Hazardous Materials Training Program Unit 5.1 6 Thermal Proper PPE Suppression of flammable vapors with foam Elimination of ignition sources Use of protective hose lines Cooling of exposed containers Florida Operations Level Hazardous Materials Training Program Unit 5.1 7 Etiological Respiratory protection Gowns Gloves Avoiding sharp objects Florida Operations Level Hazardous Materials Training Program Unit 5.1 8 Asphyxiation Simple What is happening to oxygen Displacement Reaction Chemical Florida Operations Level Hazardous Materials Training Program Unit 5.1 9 Mechanical Stabilizing Shoring Preventing trips and falls Wearing puncture resistant clothing (e.g., steel toes, steel shank boot) Wear protective work gloves, helmets and eye protection Florida Operations Level Hazardous Materials Training Program Unit 5.1 10 Chemical Heed the recommendations of the NAERG with regards to firefighter protective clothing Protect the route of exposure Avoid areas of high vapor concentration Approach from up-wind up high Stay out of enclosed, confined or low lying areas Avoid direct product contact Always use appropriate protective clothing Florida Operations Level Hazardous Materials Training Program Unit 5.1 11 Psychological Always know your own capabilities and limitations Never try to over extend yourself Recognize the need for Critical Incident Stress De-briefing (CISD) Florida Operations Level Hazardous Materials Training Program Unit 5.1 12 Radiological Time Distance If you double your distance from the source, you reduce your exposure to 1/4 the original rate If you triple your distance, your exposure is reduced to 1/9 the original Shielding Florida Operations Level Hazardous Materials Training Program Unit 5.1 13 OSHA 29 CFR 1910.120 Minimum level of protection Full turnout gear and PP/SCBA Level must be maintained until atmosphere is quantified Florida Operations Level Hazardous Materials Training Program Unit 5.1 14 OSHA 29 CFR 1910.134 Standards for respiratory protection programs Training Selection and use Fitness Fit testing Florida Operations Level Hazardous Materials Training Program Unit 5.1 15 Ensemble Concept Ensembles are considered to be all of the components of a personal protective system Respiratory protective component Dermal protective component (garment) Footwear Hand protection Florida Operations Level Hazardous Materials Training Program Unit 5.1 16 Options Respiratory IDLH Below IDLH Dermal Gas and vapor protective, high concentration Gas and vapor protection low concentration Liquid with low vapor pressure Particulates Florida Operations Level Hazardous Materials Training Program Unit 5.1 17 NFPA 1991 Standard 1991 — Vapor Protective Garment Protection from high levels of vapor concentration With or without a flash fire protection option Florida Operations Level Hazardous Materials Training Program Unit 5.1 18 NFPA 1992 Splash Protective Garments Liquid splash protection Optional flash fire resistance Florida Operations Level Hazardous Materials Training Program Unit 5.1 19 NFPA 1994 CBRN terrorism response Class 2 — Vapor or liquid hazards at or above IDLH Class 3 — Liquid splash, vapor non-IDLH Class 4 — Particulate/biological Florida Operations Level Hazardous Materials Training Program Unit 5.1 20 National Institute of Justice LERL 1 — IDLH and flash fire LERL 2 — IDLH no fire LERL 3 — Non-IDLH respiratory hazard LERL 4 — Perimeter security operations Florida Operations Level Hazardous Materials Training Program Unit 5.1 21 Respiratory Protection Particulate filter Filters particulates out of the air Most common are rated at 95% and 100% (99.97%) efficient at removing particulates 0.1 micron or greater in size Also designated as “P” of oil proof against oil aerosols and “N” as non-oil proof Light weight Limited length of use Does not provide protection from chemical or asphyxiation hazards Florida Operations Level Hazardous Materials Training Program Unit 5.1 22 Air Purifying Respirators (APR) Advantages Light weight Extended work periods Stress reduction Matches protection to actual hazard Florida Operations Level Hazardous Materials Training Program Limitations Less protective Protection factor 100:1 max Not to be used in IDLH atmosphere Not applicable for firefighting Cannot be used in oxygen deficient atmospheres Chemical specific Must have known chemical and known concentration Develops negative pressure on inhalation Unit 5.1 23 PAPR Advantages Positive pressure — higher protection Cooling effect Much the same as APR Stacked filters Florida Operations Level Hazardous Materials Training Program Disadvantages Requires battery Cannot be used in IDLH environments Must have at least 19.5% oxygen Unit 5.1 24 Supplied Air Breathing Apparatus (SABA) Advantages Reduced weight Extended operations periods Less physical stress, greater mobility Some are positive pressure Protection factor 10,000:1 if positive pressure Florida Operations Level Hazardous Materials Training Program Limitations Air source has potential for failure so emergency egress must be maintained Tether length limited to 300 feet Contamination or damage to tether Unit 5.1 25 Positive Pressure, Self-Contained Breathing Apparatus (PP/SCBA) Advantages Readily available 30 to 60 min. duration Freedom of movement Greatest protection Protection factor 10,000:1 Florida Operations Level Hazardous Materials Training Program Disadvantages Duration Weight Physical stress Unit 5.1 26 Closed Circuit Advantages High level of protection Longer duration up to 4hrs Florida Operations Level Hazardous Materials Training Program Disadvantages Air supplied is heated Not rated for firefighting or CBRNE Cold temp may impede scrubber May be difficult to decontaminate Unit 5.1 27 Low Pressure Alarm Firefighting Hazmat Provides a safety period to allow emergency egress Decontamination is generally not required during firefighting Safety factor of 25 – 30% of bottle life Travel time to and from site Decontamination time Workload expected Environmental <85 = 0 min. 85 – 90 = 5min. >90 = 10 min. Florida Operations Level Hazardous Materials Training Program Unit 5.1 28 Dermal Protection Minimum level of protection is full turnout gear and PP/SCBA Any higher protection requires specialized training Support garment may be worn In support roles where an exposure is not anticipated Examples: aprons, eye protection Florida Operations Level Hazardous Materials Training Program Unit 5.1 29 Fire Protective Clothing Must be defensive operations Garment includes Proximity clothing Entry clothing Structural firefighting clothing Florida Operations Level Hazardous Materials Training Program Unit 5.1 30 Skin Contact Hazards Vapors and gases Vapors from liquids Solids Florida Operations Level Hazardous Materials Training Program Unit 5.1 31 Dermal Protective suites Turnout gear has extreme protective limitations Two types of protection Vapor Splash These, combined with the different types of respiratory, give us four levels of protection Florida Operations Level Hazardous Materials Training Program Unit 5.1 32 Splash Protective Suits Cannot be used: In IDLH concentrations Where there is potential for gross contamination with products absorbed through skin In potential fire areas Where large volumes of vapors are expected Because it creates heat stress since moisture cannot evaporate from the skin Are well suited for: Decontamination operations in well established systems Dealing with nonsublimating solids Perimeter operations quantified safe Caring for patients that no longer pose significant risk of secondary contamination Florida Operations Level Hazardous Materials Training Program Unit 5.1 33 OSHA PPE Level C Splash suit + APR Splash protection with lower level of respiratory protection Must know chemical and concentration Level B Florida Operations Level Hazardous Materials Training Program Splash suit + PP/SCBA Provides splash protection with highest level or respiratory protection Unit 5.1 34 Vapor Protection Offers the highest level or protection and also, the greatest risk of physical stress Limitations Florida Operations Level Hazardous Materials Training Program No thermal protection Limited dexterity and sight Limited communications Physical stress Specialized training and maintenance Unit 5.1 35 BASIC LEVELS OF PROTECTION Equipment/Level Level D Level C Level B Level A Garment Type None X Bunker Gear X Bunker Gear w/CBRN Option X Chemical Splash X X Vapor Protective X Respiratory Protection None Air Purifying X X Positive Pressure supply air or SCBA X X Note: Full firefighter protective clothing provides a high level of respiratory protection but a low level of skin protection; therefore, it is classified as level “D” but has limited applications in the hazard area. Florida Operations Level Hazardous Materials Training Program Unit 5.1 36 Ensemble Description Using Performance-Based Standard(s) NFPA 1991, worn with NIOSH CBRN SCBA NFPA 1994 Class 2 worn with NIOSH CBRN SCBA OSHA/EPA Level A A or B NFPA 1994 Class 2 worn with NIOSH CBRN APR C NFPA 1994 Class 3 worn with NIOSH CBRN SCBA B NFPA 1994 Class 3 worn with NIOSH CBRN APR C Source: DMS Interagency Board Florida Operations Level Hazardous Materials Training Program Unit 5.1 37 PPE and WMD Radiological Radiological materials are particulates Respiratory protection prevents inhalation and ingestion Particulate protective garments will enhance the ability to decontaminate NFPA 1994 Class 4 ensembles with PAPR Florida Operations Level Hazardous Materials Training Program Unit 5.1 38 Nerve/Blister Agents Nerve agents Low volatility liquids Positive pressure SCBA is selected in IDLH environments In low vapor concentrations, NFPA 1994 Class 2 ensembles are indicated Blister agents Florida Operations Level Hazardous Materials Training Program Low volatility liquids Positive pressure SCBA is selected in IDLH environments In low vapor concentrations, NFPA 1994 Class 2 ensembles are indicated Unit 5.1 39 Biological Agents Particulate respiratory protection Particulate protective garment found in NFPA 1994 Class 4 Storage Testing procedures and frequency Must be in accordance with manufacture’s recommendations Should also cover emergency procedures Florida Operations Level Hazardous Materials Training Program Unit 5.1 40 Entry Requirements OSHA 29 CFR 1910.120 Use of a buddy system Use of RIC EMS on scene dedicated to responders Decontamination in place Proper level of PPE Proper training Florida Operations Level Hazardous Materials Training Program Unit 5.1 41 PPE Maintenance Employer must have defined PPE policy Define inspection procedures and frequency Permeation Penetration Degradation Cleaning, disinfection or disposal procedures Must be maintained according to manufacture’s recommendations Enforced by Employer’s SOPs Cleaned and disinfected according to manufacturer’s recommendations Florida Operations Level Hazardous Materials Training Program Unit 5.1 42 Testing Garment testing is defined by the manufacturer Most common means is by inflation testing Florida Operations Level Hazardous Materials Training Program Unit 5.1 43 Donning, Doffing and Use Agency Standard Operating Procedures should be used in the donning, doffing and use of PPE Florida SERC Model Procedure Florida Operations Level Hazardous Materials Training Program Unit 5.1 44 Summary Hazards based response Personal protective equipment Minimum level of protection Respiratory protection Dermal Protection Florida Operations Level Hazardous Materials Training Program Unit 5.1 45