HazMat Technician Mod 1 Unit 2 Slide 1 Ohio Hazmat & WMD Technician Module 1 Unit 2 Field Survey Instruments

HazMat Technician Mod 1 Unit 2 Slide 2 Learning Objectives At the end of this training each student will demonstrate knowledge and the ability to classify, identify, and verify known and unknown chemicals by using field survey instruments.

HazMat Technician Mod 1 Unit 2 Slide 3 Student Performance Objectives Know the 9 DOT Hazard Classes Know the 3 classes and 2 divisions of inherent safety tested instruments Know the 6 types of direct reading instruments and give examples of each type.

HazMat Technician Mod 1 Unit 2 Slide 4 Student Performance Objectives (cont.) Demonstrate their ability to operate at least 4 different direct reading instruments Must be able to successfully complete competency evaluations 005, 006, 007, 008, 009, 010, 011, 014, 016, 017, and/or 018

HazMat Technician Mod 1 Unit 2 Slide 5 DOT Hazard Classes 1 Explosives 2 Compressed gasses 3 Flammable liquids 4 Flam solids, spontaneous combustible, dangerous when wet 5 Oxidizers and organic peroxides

HazMat Technician Mod 1 Unit 2 Slide 6 DOT Hazard Classes (cont.) 6 Toxic, biological 7 Radiological 8 Corrosives 9 Misc. (ORM)

HazMat Technician Mod 1 Unit 2 Slide 7 Real Time Air Monitors Assessing health risks PPE Work zones Dispersion Mitigation actions

HazMat Technician Mod 1 Unit 2 Slide 8 Characteristics of Air Monitoring Instruments Portable and rugged Easy to operate Inherently safe Reliable and useful results

HazMat Technician Mod 1 Unit 2 Slide 9 Inherently Safe Class I, II and III Division 1 and 2

HazMat Technician Mod 1 Unit 2 Slide 10 Characteristics of Air Monitoring Instruments (cont.) Reliable and useful results  Response time  Sensitivity  Amplification  Accuracy  Precision  Selectivity  Calibration and relative response

HazMat Technician Mod 1 Unit 2 Slide 11 Types of Direct reading instruments Corrosive gas Oxygen Flammability Toxic Radiological Specialized

HazMat Technician Mod 1 Unit 2 Slide 12 Corrosive Gas pH paper

HazMat Technician Mod 1 Unit 2 Slide 13 Oxygen Normal air–20.9% oxygen Oxygen levels less than 19.5% Oxygen levels above 23.5% Some instruments require sufficient oxygen for operation

HazMat Technician Mod 1 Unit 2 Slide 14 Schematic of Oxygen Sensor (-) Meter Face (+) Electrolyte Solution (KCL or KOH) Electrode Membrane O2O2 O2O2 O2O2 O2O2

HazMat Technician Mod 1 Unit 2 Slide 15 Limitations and Considerations Atmospheric pressure Temperature

HazMat Technician Mod 1 Unit 2 Slide 16 Combustible-Atmosphere Indicators Combustible Gas Indicators (CGI) Concentration of a flammable vapor or gas in the air Percentage of the LEL

HazMat Technician Mod 1 Unit 2 Slide 17 Flammable Range

HazMat Technician Mod 1 Unit 2 Slide 18 Principle of Operation Wheatstone Bridge WHEATSTONE BRIDGE

HazMat Technician Mod 1 Unit 2 Slide 19 Limitations Temperature Lack of oxygen Lead vapors and silicon compounds Response factors

HazMat Technician Mod 1 Unit 2 Slide 20 Relative Response for a Combustible Gas Chemical Concentration (% LEL) Meter Response (% LEL) Relative Response Factor Methane Acetylene Pentane50 1 1,4,-Dioxane Xylene

HazMat Technician Mod 1 Unit 2 Slide 21 Toxic-Atmosphere Monitors Identify airborne concentrations Evaluate risk Determine the need and type of PPE Establish work zones PPM

HazMat Technician Mod 1 Unit 2 Slide 22 Radiological Survey meters Contamination Dose & Rate Max dose for:  Life safety - 50,000mrem  Protecting critical property - 10,000mrem  Emergency worker mrem

HazMat Technician Mod 1 Unit 2 Slide 23 Specialized Monitoring Devices NFPA’s list of 18 1) Biological immunoassay indicators 2) Chemical Agent Monitors 3) Colorimetric indicators 4) Combustible Gas Indicators 5) DNA Fluoroscopy 6) Electro chemical cells 7) Flame Ionizing detector 8) Gas chromatograph/mass spectrometer 9) Infrared Spectroscopy 10) Ion mobility spectroscopy 11) Mass channel analyzer 12) Metal oxide sensor 13) Photo ionization detector 14) Polymerase chain reaction 15) Radiation detection and measurement instruments 16) Raman spectroscopy 17) Surface acoustical wave 18) Wet chemistry

HazMat Technician Mod 1 Unit 2 Slide 24 Colorimetric Tubes Glass tube with an indicating chemical Tube is connected to a pump Contaminant reacts with the indicator Chemical-specific

HazMat Technician Mod 1 Unit 2 Slide 25 Limitations and Considerations (cont.) Poor accuracy and precision Affected by temperature Store tubes at moderate temperatures Humidity Shelf life

HazMat Technician Mod 1 Unit 2 Slide 26 Limitations and Considerations (cont.) Interfering compounds Difficult to read Sampling times

HazMat Technician Mod 1 Unit 2 Slide 27 Photoionization Detector (PID) Detect concentrations of gases and vapors in PPM Fan or pump draws the air into the detector Contaminants are exposed to a high- frequency radiation light source

HazMat Technician Mod 1 Unit 2 Slide 28 Ionization Potential ChemicalIonization Potential (eV) Hydrogen cyanide Carbon dioxide Methane Hydrogen chloride Water Oxygen Chlorine Propane Hydrogen sulfide Hexane Ammonia Vinyl chloride Acetone Benzene Phenol Ethyl amine

HazMat Technician Mod 1 Unit 2 Slide 29 Specialized for WMD M8 M9 M256A1 ICAM APD2000 SAW Mincad GC/MS Biological detection and ID

HazMat Technician Mod 1 Unit 2 Slide 30 Exercise Module 1 Unit 2 Air Monitors Time Allotted:60 minutes Equipment needed:(2) 4 gas air monitors P.I.D. pH paper Calibration gas Supplies needed:Acetone Acetic Acid (vinegar) Hydrochloric Acid (The Works toilet bowl cleaner) Ammonia (window cleaner) 4 small containers with lids or covers Calibration Gas Methodology: The instructor will give you a scenario that is based on the student performance objectives in this unit.

HazMat Technician Mod 1 Unit 2 Slide 31 Unit 2 Quiz

HazMat Technician Mod 1 Unit 2 Slide 32 Questions