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H2 s

  1. 1. HYDROGEN SULFIDE SAFETY FOR EMPLOYEES CORPORATE SAFETY TRAINING Chemicals in the Workplace© 29 CFR 1910.1200 WELCOME HYDROGEN SULFIDE SAFETY - SLIDE 1 OF 97© Copyright SafetyInstruction.com 2005
  2. 2. YOUR INSTRUCTOR Daniel Highsmith HYDROGEN SULFIDE SAFETY - SLIDE 2 OF 97© Copyright SafetyInstruction.com 2005
  3. 3. BASIS FOR THIS COURSE  Millions of workers are exposed to hydrogen sulfide hazards.  Hydrogen Sulfide is very safe under controlled conditions.  Employees must understand the hazards of hydrogen sulfide.  Each year, numerous accidents occur with hydrogen sulfide.  Safety can be greatly enhanced if training is provided.  OSHA Standards require:  Hazards be assessed.  Training be conducted.  Hazards and precautions be explained.  Emergency response capability be established. HYDROGEN SULFIDE SAFETY - SLIDE 3 OF 97© Copyright SafetyInstruction.com 2005
  4. 4. COURSE OBJECTIVES  Provide an Introduction to the Toxicology of Hydrogen Sulfide.  Discuss Hydrogen Sulfide’s Usage in Today’s Industry.  Discuss General Terms Used in Hydrogen Sulfide Safety.  Discuss Methods of Compliance with Hydrogen Sulfide Safety.  Discuss the Routes of Entry Into the Human Body.  Discuss Any Medical Surveillance Requirements.  Discuss Personal Protective Equipment Requirements.  Discuss the Hazards of Hydrogen Sulfide Upon the Human Body.  Discuss Hazard Recognition & Control Skills. HYDROGEN SULFIDE SAFETY - SLIDE 4 OF 97© Copyright SafetyInstruction.com 2005
  5. 5. INSTRUCTORS NOTE 1. This course Is designed to provide an overview or refresher for the specific chemical topic. 2. Instructor notes are provided where appropriate for certain slides (you can also add your own notes). 3. Review the “notes master” for slides where the “notes icon” appears at the bottom of the slide. HYDROGEN SULFIDE SAFETY - SLIDE 5 OF 97© Copyright SafetyInstruction.com 2005
  6. 6. COURSE CONTENTS 1. Basis For The Course 2. Course Objectives and Recommended Attendees 3. Student Learning Outcomes 4. Course Attendees 5. Affected Regulations 6. Training and Retraining Requirements 7. Synonyms And Trade Names 8. Employee Exposure Limits 9. Physical Properties 10. Hazard Ratings 11. Health Effects 12. Basics Of Toxicology HYDROGEN SULFIDE SAFETY - SLIDE 6 OF 97© Copyright SafetyInstruction.com 2005
  7. 7. COURSE CONTENTS (Continued) 13. Factors Influencing Toxic Action 14. Exposure Terminology 15. Factors Affecting Exposure 16. Methods of Compliance 17. Exposure Control 18. Basic Safety Rules 19. Storage Rules 20. Chemical Storage Surveys 21. General Storage Requirements 22. Specific Storage Requirements 23. Question and Answer Period 24. Tips For Using Contractors HYDROGEN SULFIDE SAFETY - SLIDE 7 OF 97© Copyright SafetyInstruction.com 2005
  8. 8. STUDENT LEARNING OUTCOMES UNDERSTAND THE FOLLOWING:  Why Hydrogen Sulfide Safety Is Important.  The Basics of Toxicology as it Relates to Hydrogen Sulfide.  Basic Safety Precautions Related to Hydrogen Sulfide Safety.  Specific Hazards Associated with Hydrogen Sulfide Exposure.  The Training Requirements Associated with Hydrogen Sulfide.  Basic Storage Requirements as they Relate to Safety.  The Use of Personal Protective Equipment to Prevent Exposure. HYDROGEN SULFIDE SAFETY - SLIDE 8 OF 97© Copyright SafetyInstruction.com 2005
  9. 9. COURSE ATTENDEES  Any Employee Potentially Exposed to Hydrogen Sulfide.  Safety Committees.  Department Managers.  First Line Supervisors.  Accident Investigation Team Members. HYDROGEN SULFIDE SAFETY - SLIDE 9 OF 97© Copyright SafetyInstruction.com 2005
  10. 10. REGULATORY STANDARD THE GENERAL DUTY CLAUSE FEDERAL - 29 CFR 1903.1 EMPLOYERS MUST: Furnish a place of employment free of recognized hazards that are causing or are likely to cause death or serious physical harm to employees. Employers must comply with occupational safety and health standards promulgated under the Williams-Steiger Occupational Safety and Health Act of 1970. OSHA ACT OF 1970 HYDROGEN SULFIDE SAFETY - SLIDE 10 OF 97© Copyright SafetyInstruction.com 2005
  11. 11. INDUSTRIAL REGULATIONS 29CFR - SAFETY AND HEALTH STANDARDS 1910 - INDUSTRIAL SAFETY 1200 - HAZARD COMMUNICATION HYDROGEN SULFIDE SAFETY - SLIDE 11 OF 97© Copyright SafetyInstruction.com 2005
  12. 12. TRAINING REQUIREMENTS THE EMPLOYER MUST PROVIDE TRAINING :  The Hazards of Hydrogen Sulfide.  The Use of Equipment.  What PPE Is Necessary.  When PPE Is Necessary.  The Limitations of the PPE.  Decontamination Procedures.  Engineering Control Operation.  Provide Retraining As Required.  Care and Maintenance of Equipment.  Classification of Hazardous Materials.  Train All Employees Prior to Job Assignment. HYDROGEN SULFIDE SAFETY - SLIDE 12 OF 97© Copyright SafetyInstruction.com 2005
  13. 13. RETRAINING REQUIREMENTS REQUIRED WHEN THERE IS A:  Close-Call Event.  New Hazard or Equipment.  Change in Job Assignment.  New Hazard Control Methods.  Occupationally Related Injury.  Failure in the Safety Procedures.  Permissible Exposure Exceedance.  Reason to Doubt Employee Proficiency. HYDROGEN SULFIDE SAFETY - SLIDE 13 OF 97© Copyright SafetyInstruction.com 2005
  14. 14. USES OF HYDROGEN SULFIDE IN THIS FACILITY JOBS WITH POSSIBLE HYDROGEN SULFIDE EXPOSURES: LETS DISCUSS SOME OF THE OPERATIONS AT THIS FACILIITY WHERE HYDROGEN SULFIDE IS USED. HYDROGEN SULFIDE SAFETY - SLIDE 14 OF 97© Copyright Compliware 2005
  15. 15. TECHNICAL HAZARD DATA HAZARD RATINGS AND TECHNICAL DATA: NOTE:  Hazard Ratings Used in This Course May Differ From Chemicals Used at Your Facility Because of the Purity and Specific Mixture of the Chemical You Use.  Refer to Your Material Safety Data Sheet for Specific Hazard Data for the Chemicals You Use.  Technical Hazard Data Used in This Course Are Derived From the NIOSH Guide To Chemical Hazards. HYDROGEN SULFIDE SAFETY - SLIDE 15 OF 97© Copyright Compliware 2005
  16. 16. SYNONYMS AND TRADE NAMES SYNONYMS AND TRADE NAMES:  Hydrogen Sulfide  Sewer Gas  Sulfuretted Hydrogen HYDROGEN SULFIDE SAFETY - SLIDE 16 OF 97© Copyright SafetyInstruction.com 2005
  17. 17. EMPLOYEE EXPOSURE LIMITS NIOSH: OSHA:  10 ppm (c)  20 ppm (c)  15 mg/m3 WE’LL DISCUSS MORE ABOUT EXPOSURE LIMITS LATER HYDROGEN SULFIDE SAFETY - SLIDE 17 OF 97© Copyright SafetyInstruction.com 2005
  18. 18. PHYSICAL PROPERTIES PHYSICAL DESCRIPTION:  Colorless Gas  Odor of Rotten Eggs HYDROGEN SULFIDE SAFETY - SLIDE 18 OF 97© Copyright SafetyInstruction.com 2005
  19. 19. PHYSICAL PROPERTIES (Continued) SPECIFIC PROPERTIES:  Hydrogen Sulfide - (H2S)  Vapor Density: 1.2  Boiling Point: - 77.00 F.  Color: Colorless  Odor: Rotten Eggs  Solubility in Water: 0.4%  Range of Flammability: 4.0 - 44.0 % HYDROGEN SULFIDE SAFETY - SLIDE 19 OF 97© Copyright SafetyInstruction.com 2005
  20. 20. PHYSICAL PROPERTIES (Continued) VAPOR DENSITY (RGasD): RGasD - Relative density of gases as referenced to air = 1 (How many times a gas is heavier than air at the same temperature) VAPOR DENSITY OF HYDROGEN SULFIDE IS: 1.2 VD GREATER than 1.0: VD LESS than 1.0: The vapors are heavier than air The vapors are lighter than and lay in low areas. air and will rise. HYDROGEN SULFIDE SAFETY - SLIDE 20 OF 97© Copyright SafetyInstruction.com 2005
  21. 21. PHYSICAL PROPERTIES (Continued) VAPOR DENSITY IS IMPORTANT: Knowing whether a vapor will rise or fall in open air can give you valuable information to draw to ensure safety during a leak or spill situation. HYDROGEN SULFIDE SAFETY - SLIDE 21 OF 97© Copyright SafetyInstruction.com 2005
  22. 22. PHYSICAL PROPERTIES (Continued) BOILING POINT: The point when vapor pressure equals atmospheric pressure liquid boils. The corresponding temperature is called the boiling point of liquid. BOILING POINT OF HYDROGEN SULFIDE IS: - 77.00° F Sublimation is the process by which a solid substance changes into a gas, or vapor, without first becoming a liquid. These substances are said to sublime. HYDROGEN SULFIDE SAFETY - SLIDE 22 OF 97© Copyright SafetyInstruction.com 2005
  23. 23. PHYSICAL PROPERTIES (Continued) BOILING POINT IS IMPORTANT: Knowing the boiling point lets you know when a liquid will transfer to a vapor, or begin to dangerously expand in enclosed containers. HYDROGEN SULFIDE SAFETY - SLIDE 23 OF 97© Copyright SafetyInstruction.com 2005
  24. 24. PHYSICAL PROPERTIES (Continued) SOLUBILITY:  The ability of a substance to dissolve in another is called its solubility.  Solubility depends on the chemical properties and temperature of the substances of the liquid solution.  For gases, solubility also depends on pressure. SOLUBILITY OF HYDROGEN SULFIDE IS: 0.4% HYDROGEN SULFIDE SAFETY - SLIDE 24 OF 97© Copyright SafetyInstruction.com 2005
  25. 25. PHYSICAL PROPERTIES (Continued) SOLUBILITY OF GASES IN WATER:  Gases are soluble in liquids such as water.  We bubble air into a fish tank to allow breathing.  Fish breathe soluble oxygen.  Carbon dioxide puts the “fizz” in carbonated beverages.  A soda left open in a warm room will get flat quickly.  All of these observations are dependent upon the solubility of gases in water. HYDROGEN SULFIDE SAFETY - SLIDE 25 OF 97© Copyright SafetyInstruction.com 2005
  26. 26. PHYSICAL PROPERTIES (Continued) SOLUBILITY IS IMPORTANT:  Knowing how soluble a liquid is lets you know to what degree the material will mix with other liquids in a spill situation.  It could mean the different between draining a million gallon collection pond or simply skimming the surface to remove a spilled substance. HYDROGEN SULFIDE SAFETY - SLIDE 26 OF 97© Copyright SafetyInstruction.com 2005
  27. 27. PHYSICAL PROPERTIES (Continued) FLAMMABLE RANGE: The numerical difference between the upper and lower explosive limits. In other words the range that the vapors of a flammable liquid (when ignited) will burn when mixed with ambient air. HYDROGEN SULFIDE SAFETY - SLIDE 27 OF 97© Copyright SafetyInstruction.com 2005
  28. 28. PHYSICAL PROPERTIES (Continued) UPPER FLAMMABLE LIMIT (UFL) The “richer” point at which a mixture of flammable vapor and air will no longer support combustion LOWER FLAMMABLE LIMIT (LFL) The “leaner” point at which a mixture of flammable vapor and air will no longer support combustion LFL to UFL = THE FLAMMABLE RANGE HYDROGEN SULFIDE SAFETY - SLIDE 28 OF 97© Copyright SafetyInstruction.com 2005
  29. 29. PHYSICAL PROPERTIES (Continued) 100% PERCENTAGE OF ATMOSPHERE 75% 50% HYDROGEN SULFIDE 44% 25% FLAMMABLE RANGE - HYDROGEN SULFIDE 4.0 - 44.% 4.0% 0% HYDROGEN SULFIDE SAFETY - SLIDE 29 OF 97© Copyright SafetyInstruction.com 2005
  30. 30. PHYSICAL PROPERTIES(Continued) INCOMPATIBLES AND REACTIVES:  Strong Oxidizers  Strong Nitric Acid  Metals HYDROGEN SULFIDE SAFETY - SLIDE 30 OF 97© Copyright SafetyInstruction.com 2005
  31. 31. PHYSICAL PROPERTIES (Continued) DOT INFORMATION:  DOT Name: Hydrogen Sulfide  DOT Hazard: Toxic Gas  DOT Label: Toxic Gas, Flammable Gas  DOT ID Number: UN1053  CAS Number: 7783-06-4 HYDROGEN SULFIDE SAFETY - SLIDE 31 OF 97© Copyright SafetyInstruction.com 2005
  32. 32. PHYSICAL PROPERTIES (Continued) pH INFORMATION: The pH of a Liquid Is the Numerical Measure of Its Relative Acidity or Alkalinity.  Range Is From 0 - 14  Neutral Level Expressed 7.0  Above 7.0 Liquid Is More Alkaline or Basic  Below 7.0 Liquid Is More Acidic HYDROGEN SULFIDE SAFETY - SLIDE 32 OF 97© Copyright SafetyInstruction.com 2005
  33. 33. PHYSICAL PROPERTIES (Continued) pH INFORMATION: HYDROGEN SULFIDE SAFETY - SLIDE 33 OF 97© Copyright SafetyInstruction.com 2005
  34. 34. PHYSICAL PROPERTIES (Continued) CHECK FOR COMPATIBILITY WITH EACH OTHER! + = ???? HYDROGEN SULFIDE SAFETY - SLIDE 34 OF 97© Copyright SafetyInstruction.com 2005
  35. 35. PHYSICAL PROPERTIES (Continued) CHECK FOR COMPATIBILITY WITH YOU! + = ??? HYDROGEN SULFIDE SAFETY - SLIDE 35 OF 97© Copyright SafetyInstruction.com 2005
  36. 36. HAZARD RATING SYSTEMS TWO SYSTEMS  NFPA - NATIONAL FIRE PROTECTION ASSOCIATION  HMIS - NATIONAL PAINT AND COATINGS ASSOCIATION - HAZARDOUS MATERIAL IDENTIFICATION SYSTEM HYDROGEN SULFIDE SAFETY - SLIDE 36 OF 97© Copyright SafetyInstruction.com 2005
  37. 37. HAZARD RATING SYSTEMS (Continued) FIVE HAZARD LEVELS HMIS NFPA 4 SEVERE 4 EXTREME 3 SERIOUS 3 HIGH 2 MODERATE 2 MODERATE 1 SLIGHT 1 SLIGHT 0 MINIMAL 0 INSIGNIFICANT HYDROGEN SULFIDE SAFETY - SLIDE 37 OF 97© Copyright SafetyInstruction.com 2005
  38. 38. HAZARD RATING FOR HYDROGEN SULFIDE FIVE NFPA HAZARD LEVELS FIRE HAZARD  - 4 EXTREME  - 3 HIGH 4 REACTIVITY  - 2 MODERATE 0  - 1 SLIGHT  - 0 INSIGNIFICANT 3 HEALTH HAZARD SPECIFIC HAZARD (WATER REACTIVE) HYDROGEN SULFIDE SAFETY - SLIDE 38 OF 97© Copyright SafetyInstruction.com 2005
  39. 39. HEALTH EFFECTS OF HYDROGEN SULFIDE EXPOSURE (Continued) COMMON SYMPTOMS OF HYDROGEN SULFIDE EXPOSURE:  Burning of eyes, nose, and throat.  Dizziness.  Coughing, Choking.  Headache.  Breathing difficulty. HYDROGEN SULFIDE SAFETY - SLIDE 39 OF 97© Copyright SafetyInstruction.com 2005
  40. 40. HEALTH EFFECTS OF HYDROGEN SULFIDE EXPOSURE (Continued) EMERGENCY ACTIONS IF LEAK IS DETECTED:  Stay out of leak area and avoid down wind areas.  Notify fellow employees in the area.  Call emergency response personnel.  Get to, and stay up wind.  Follow local emergency procedures. HYDROGEN SULFIDE SAFETY - SLIDE 40 OF 97© Copyright SafetyInstruction.com 2005
  41. 41. HEALTH EFFECTS OF HYDROGEN SULFIDE EXPOSURE (Continued) EMERGENCY ACTIONS IF LEAK IS DETECTED:  Eye Contact:  Irrigate immediately for 15 minutes, seek medical help.  Ingestion/Inhalation:  Get to clean air, seek medical help.  Skin Contact:  Wash skin with soap and water for at least 15 minutes.  (Liquefied) Warm frost bite with warm water.  Seek medical help. HYDROGEN SULFIDE SAFETY - SLIDE 41 OF 97© Copyright SafetyInstruction.com 2005
  42. 42. BASICS OF TOXICOLOGY LETS DISCUSS SOME OF THE TERMS THAT WILL BE HELPFUL IN UNDERSTANDING THE AFFECTS OF HYDROGEN SULFIDE ON YOUR BODY. HYDROGEN SULFIDE SAFETY - SLIDE 42 OF 97© Copyright SafetyInstruction.com 2005
  43. 43. BASICS OF TOXICOLOGY (Continued) “ALL THINGS ARE POISONS, OR THERE IS NOTHING WITHOUT POISONOUS QUALITIES. IT IS ONLY THE DOSE WHICH MAKES A THING POISON.” PARACELSUS (1493 - 1541) HYDROGEN SULFIDE SAFETY - SLIDE 43 OF 97© Copyright SafetyInstruction.com 2005
  44. 44. BASICS OF TOXICOLOGY (Continued) EXPOSURE TERMINOLOGY Hazardous Material A Material That Falls Into One or More Of the Following Categories. Hazardous Materials Can Have One or Many Characteristics That Can Add to the Intensity of the Toxic Action of a Particular Solid, Liquid, or Gas.  Ignitability Is Flammable or Combustible.  Reactivity Can React With Itself or Other Materials.  Corrosivity Can Deteriorate Another Substance.  Toxicity In Its Normal State Is Harmful to Living Things. HYDROGEN SULFIDE SAFETY - SLIDE 44 OF 97© Copyright SafetyInstruction.com 2005
  45. 45. BASICS OF TOXICOLOGY (Continued) EVERYTHING IS TOXIC; IT ALL DEPENDS ON THE DOSE. How Well the Body Accepts a Substance Depends on:  The Type of Substance.  The Amount (Dose) Absorbed.  The Period of Time Over Which It Is Absorbed.  The Susceptibility/Sensitivity of the Person Exposed. HYDROGEN SULFIDE SAFETY - SLIDE 45 OF 97© Copyright SafetyInstruction.com 2005
  46. 46. BASICS OF TOXICOLOGY (Continued) THE PRIMARY ROUTE FOR HYDROGEN SULFIDE INHALATION ABSORPTION HYDROGEN SULFIDE SAFETY - SLIDE 46 OF 97© Copyright SafetyInstruction.com 2005
  47. 47. BASICS OF TOXICOLOGY (Continued) FOUR PRIMARY ROUTES INTO THE BODY INHALATION INGESTION ABSORPTION INJECTION HYDROGEN SULFIDE SAFETY - SLIDE 47 OF 97© Copyright SafetyInstruction.com 2005
  48. 48. BASICS OF TOXICOLOGY (Continued) Breathing and smoking causes INHALATION us to inhale substances which enter the lungs. Substances inhaled into the lungs cause scarring of the lungs or are readily absorbed into the blood stream.  INHALATION  INGESTION  ABSORPTION  INJECTION HYDROGEN SULFIDE SAFETY - SLIDE 48 OF 97© Copyright SafetyInstruction.com 2005
  49. 49. BASICS OF TOXICOLOGY (Continued) Swallowing a substance causes INGESTION penetration into the blood stream via the stomach and small intestine.  INHALATION  INGESTION  ABSORPTION  INJECTION HYDROGEN SULFIDE SAFETY - SLIDE 49 OF 97© Copyright SafetyInstruction.com 2005
  50. 50. BASICS OF TOXICOLOGY (Continued) Entering the body through the ABSORPTION skin causes substances to enter the blood stream at a slower rate than by inhalation. However, the resulting entry and distribution within the body is the same.  INHALATION  INGESTION  ABSORPTION  INJECTION HYDROGEN SULFIDE SAFETY - SLIDE 50 OF 97© Copyright SafetyInstruction.com 2005
  51. 51. BASICS OF TOXICOLOGY (Continued) Injection occurs when substances INJECTION are forced through this skin. This can occur as a result of such means as compressed gas, or by having the skin abraded by a penetrating object.  INHALATION  INGESTION  ABSORPTION  INJECTION HYDROGEN SULFIDE SAFETY - SLIDE 51 OF 97© Copyright SafetyInstruction.com 2005
  52. 52. BASICS OF TOXICOLOGY (Continued) TLV - Threshold Limit Value: One of three categories of chemical exposure levels: TLV-TWA, TLV-STEL or TLV-C. TLV-TWA: Threshold Limit Value Time-Weighted Average: The time weighted average concentration for a normal 8-hour workday and a 40 hour work week to which nearly all workers may be repeatedly exposed without adverse effect. NOTE: TLV should be used as an exposure guide rather than an absolute. A physician has the final word. HYDROGEN SULFIDE SAFETY - SLIDE 52 OF 97© Copyright SafetyInstruction.com 2005
  53. 53. BASICS OF TOXICOLOGY (Continued) TLV-STEL: Threshold Limit Value - Short Term Exposure Limit: A 15 minute time-weighted average exposure that should not be exceeded at any time during the work day. TLV-C: Threshold Limit Value - Ceiling: The concentration that should not ever be exceeded, even instantaneously. HYDROGEN SULFIDE SAFETY - SLIDE 53 OF 97© Copyright SafetyInstruction.com 2005
  54. 54. FACTORS INFLUENCING TOXIC ACTION • RATE OF ENTRY. • STATE OF HEALTH. • AGE OF INDIVIDUAL. • ROUTE OF EXPOSURE. • PREVIOUS EXPOSURE LEVELS. • WORKPLACE ENVIRONMENTAL FACTORS. • INDIVIDUAL SUSCEPTIBILITY AND HEREDITY. HYDROGEN SULFIDE SAFETY - SLIDE 54 OF 97© Copyright SafetyInstruction.com 2005
  55. 55. EXPOSURE TERMINOLOGY  Acute Exposure: Usually Minutes, Hours or Several Days.  Chronic Exposure: Regular Exposure Over Months, Years, or a Lifetime. The Toxicity of the Chemical or Material Combined With the Susceptibility of the Individual, Determines Whether the Exposure Is Acute or Chronic. HYDROGEN SULFIDE SAFETY - SLIDE 55 OF 97© Copyright SafetyInstruction.com 2005
  56. 56. EXPOSURE TERMINOLOGY (Continued)  Latent Exposure: An injury or disease that remains undeveloped until an incubation period has elapsed. The period of time could be hours, days, months or years. The Toxicity of the Chemical or Material Combined With the Susceptibility of the Individual Is a Key Factor. HYDROGEN SULFIDE SAFETY - SLIDE 56 OF 97© Copyright SafetyInstruction.com 2005
  57. 57. FACTORS AFFECTING EXPOSURE  The Amount Entering the Body.  The Length of Time of Exposure.  The Rate of Absorption Into the Blood.  The Physical Nature of the Chemical.  The Chemical Nature of the Chemical.  The Age of the Individual.  The Health of the Individual. HYDROGEN SULFIDE SAFETY - SLIDE 57 OF 97© Copyright SafetyInstruction.com 2005
  58. 58. METHODS OF COMPLIANCE GENERAL TYPES OF CONTROLS:  Methods of Compliance Include:  Implementation of a Written Program.  Establishment of Best Work Practices.  Establishment of Engineering Controls.  Establishment of Administrative Controls.  Regular Evaluation of Mechanical Safety Systems.  Evaluation of Each Facility Where Hydrogen Sulfide is Used.  Use of Personal Protective Equipment As a Last Resort.  On-Going Review of the Programs Effectiveness. HYDROGEN SULFIDE SAFETY - SLIDE 58 OF 97© Copyright SafetyInstruction.com 2005
  59. 59. METHODS OF COMPLIANCE (Continued) ENGINEERING CONTROLS:  CONSISTS OF:  Design and installation of new or modified safety control systems.  Detailed preventative maintenance programs for on site maintenance activities.  Proper placement of storage systems to reduce potential effects during emergencies. HYDROGEN SULFIDE SAFETY - SLIDE 59 OF 97© Copyright SafetyInstruction.com 2005
  60. 60. METHODS OF COMPLIANCE (Continued) ADMINISTRATIVE CONTROLS:  Assignment of Responsibility.  Support From Upper Management.  On-Site Safety Inspections and Audits.  Written Policies - Establishment of Site Safety Protocols.  Training - Job Specific Training Programs.  Checklists - Job Specific Safety Checklists.  Placement of Warning Signs and Employee Information. HYDROGEN SULFIDE SAFETY - SLIDE 60 OF 97© Copyright SafetyInstruction.com 2005
  61. 61. METHODS OF COMPLIANCE (Continued) PROTECTIVE EQUIPMENT AND CLOTHING:  GENERAL REQUIREMENTS:  Full body skin protection for potentially exposed workers.  Proper gloves to prevent hand exposure.  Adequate Eye and Face Protection.  Full body protection from extreme cold. HYDROGEN SULFIDE SAFETY - SLIDE 61 OF 97© Copyright SafetyInstruction.com 2005
  62. 62. METHODS OF COMPLIANCE (Continued) HOUSEKEEPING IN PROCESS/STORAGE AREAS:  Vehicle Safety:  Adequate Protection Against Accidental Vehicle Collisions.  Pre Planned Traffic Routing for Forklifts and Other Vehicles.  Control of Gas/Chemical Materials in Storage Areas:  Periodic Inspection of Process and Storage Areas.  Adherence to Safe Distance Requirements for Combustible Materials.  Waste and Empty Container Management:  Collection and Disposal of Empty Containers.  Storage and handling of “Like” Containers for Disposal. HYDROGEN SULFIDE SAFETY - SLIDE 62 OF 97© Copyright SafetyInstruction.com 2005
  63. 63. EXPOSURE CONTROL EXPOSURE INFORMATION:  Supervisors will maintain the following for each job:  A description of each job.  A list of tools or machinery used in the job.  Types of materials processed.  Exposure controls that are in place.  Crew size (if applicable).  Employee job responsibilities.  Safety controls specific to the job.  Operating procedures specific to the job.  Maintenance practices specific to the job. HYDROGEN SULFIDE SAFETY - SLIDE 63 OF 97© Copyright SafetyInstruction.com 2005
  64. 64. EXPOSURE CONTROL (Continued) EXPOSURE INFORMATION:  Means to Achieve Safety Compliance:  Each job where hydrogen sulfide is used will have a written description of the specific means that will be employed to achieve compliance, including engineering plans and studies used to determine methods selected for controlling safety of hydrogen sulfide.  Ensuring employees are familiar with written safety policies. HYDROGEN SULFIDE SAFETY - SLIDE 64 OF 97© Copyright SafetyInstruction.com 2005
  65. 65. BASIC SAFETY RULES  THE BIG THREE:  Oxidizers: Must not be used in contact with oils, greases or other hydrocarbons.  Flammables: Must not be exposed to flames, sparks or arcs including static electricity, hot surfaces or oxidizers.  NonFlammables: Must not be allowed to displace air in work area so that there is insufficient hydrogen sulfide for breathing. HYDROGEN SULFIDE SAFETY - SLIDE 65 OF 97© Copyright SafetyInstruction.com 2005
  66. 66. BASIC SAFETY RULES (Continued)  FILLING OF CYLINDERS:  Cylinders/containers may not be filled except by the supplier or with the supplier’s consent.  Where filling is authorized it must be accomplished in strict accordance with DOT, OSHA and CGA regulations.  For bulk containers, ensure contractors are familiar with site-specific safety requirements. Review their procedures thoroughly. HYDROGEN SULFIDE SAFETY - SLIDE 66 OF 97© Copyright SafetyInstruction.com 2005
  67. 67. BASIC SAFETY RULES (Continued)  CONTENT IDENTIFICATION:  Never assume you know what it is!  Assuming (with gases) gets you dead!  Labels must be legible at all times.  Labels may not be altered or removed.  Labels may not be bypassed, ignored, or otherwise defeated.  Labels must be understood by all.  Nonlegible/missing labels must be reported. HYDROGEN SULFIDE SAFETY - SLIDE 67 OF 97© Copyright SafetyInstruction.com 2005
  68. 68. BASIC SAFETY RULES (Continued)  CONTENT IDENTIFICATION: Continued  Labels and their means of attachment must withstand their normal operating environment.  Labels may evoke a false sense of security, and their meaning needs to be understood.  Labels must be securely attached to cylinders so that they cannot be inadvertently or accidentally detached during use.  Each container must bear the proper label for the gas contained. HYDROGEN SULFIDE SAFETY - SLIDE 68 OF 97© Copyright SafetyInstruction.com 2005
  69. 69. BASIC SAFETY RULES (Continued)  PAINTING CYLINDERS/CONTAINERS:  Containers may not be painted.  Painting may cover cylinder defects.  Containers showing signs of corrosion must be removed from service and returned to the supplier.  Never rely solely on the cylinder color for identification. HYDROGEN SULFIDE SAFETY - SLIDE 69 OF 97© Copyright SafetyInstruction.com 2005
  70. 70. BASIC SAFETY RULES (Continued)  LEAKING AND DEFECTIVE CYLINDERS:  Never underestimate the hazard!  Notify co-workers of the hazard.  Consider evacuation of the area.  Evacuate to open air, up-wind or side-wind.  Report the contents, location, situation.  Begin role call to account for co-workers.  Do not return to work until all-clear is given.  Bulk Containers - follow established procedures. HYDROGEN SULFIDE SAFETY - SLIDE 70 OF 97© Copyright SafetyInstruction.com 2005
  71. 71. BASIC SAFETY RULES (Continued)  CYLINDER USAGE REQUIREMENTS:  Verify contents before transporting or using.  Keep cylinder caps on until ready to connect.  Keep valve caps on until ready to use.  Never use as a door stop.  Never underestimate the hazard.  Bulk Containers - follow established procedures. HYDROGEN SULFIDE SAFETY - SLIDE 71 OF 97© Copyright SafetyInstruction.com 2005
  72. 72. BASIC SAFETY RULES (Continued)  MOVEMENT OF COMPRESSED GAS CYLINDERS:  Never handle roughly.  Never use magnetic lifting devices.  Never lift by valves or cylinder caps.  Never roll, drag, or slide the cylinder.  Always use a hand-truck, fork truck etc.  Cradles, ropes, chains, or slings are prohibited from use unless lugs or lifting attachments are provided by the manufacturer as with bulk containers. HYDROGEN SULFIDE SAFETY - SLIDE 72 OF 97© Copyright SafetyInstruction.com 2005
  73. 73. BASIC SAFETY RULES (Continued)  STORAGE REQUIREMENTS (GENERAL):  “No Smoking” signs must be posted.  The name of the gas must be posted.  Specific hazards must be posted.  Containers must be stored up right.  Gases must be stored with like gases.  Do not intermingle full and empty containers.  The oldest material must be used first.  Stored only on stable surfaces.  Some gases must always be shaded from sun.  Bulk Containers - follow established procedures. HYDROGEN SULFIDE SAFETY - SLIDE 73 OF 97© Copyright SafetyInstruction.com 2005
  74. 74. BASIC SAFETY RULES (Continued)  STORAGE ROOMS (GENERAL):  Must be dry.  Must not exceed 125 F.  Must be well ventilated.  Should be protected from tampering.  Local fire inspectors should evaluate.  NFPA guidelines should be reviewed.  Subsurface storage should be avoided.  Should be of fire-resistive construction. HYDROGEN SULFIDE SAFETY - SLIDE 74 OF 97© Copyright SafetyInstruction.com 2005
  75. 75. BASIC SAFETY RULES (Continued)  STORAGE ROOMS (GENERAL):  Cylinders - Must not impede emergency egress. - Cannot be located near exits. - Cannot be located near stairs.  Must be secured to prevent toppling.  Bulk Containers - follow established procedures. HYDROGEN SULFIDE SAFETY - SLIDE 75 OF 97© Copyright SafetyInstruction.com 2005
  76. 76. BASIC SAFETY RULES (Continued)  OUTDOOR STORAGE (GENERAL):  Bottoms must be protected from corrosion.  Must be secured to prevent toppling.  Must be shaded in extreme temperatures.  Some gases must always be shaded from sun.  Should be of fire-resistive construction.  Should be protected from tampering.  Local fire inspectors should evaluate.  NFPA guidelines should be reviewed.  Bulk Containers - follow established procedures. HYDROGEN SULFIDE SAFETY - SLIDE 76 OF 97© Copyright SafetyInstruction.com 2005
  77. 77. BASIC SAFETY RULES (Continued)  GENERAL INSPECTION CRITERIA: INSPECT FOR: POSSIBLE RESULT: Dents Weakening of cylinder wall Crevice Corrosion Weakening of cylinder wall Bulges Weakening of cylinder wall ARC/ Torch Burns Weakening of cylinder wall Cuts, Gouges or Digs Decrease in wall thickness Corrosion Decrease in wall thickness Pitting Decrease in wall thickness Neck Defects Leak or cylinder explosion Valve Ease-Of-Movement Corrosion leading to leak Valve Thread Serviceability Leak during operation HYDROGEN SULFIDE SAFETY - SLIDE 77 OF 97© Copyright SafetyInstruction.com 2005
  78. 78. BASIC SAFETY RULES (Continued)  PRE-OPERATION SAFETY RULES:  If you’re not trained don’t touch it!  Read the Material Safety Data Sheet before use.  Ensure an “In Use” label is present.  Ensure all labels/warnings are readable.  Place upright on stable dry surface.  Ensure cylinder is restrained above midpoint.  Keep heat, flame, & electrical sources from gas.  Use in accordance with established procedures.  Bulk Containers - follow established procedures. HYDROGEN SULFIDE SAFETY - SLIDE 78 OF 97© Copyright SafetyInstruction.com 2005
  79. 79. BASIC SAFETY RULES (Continued)  POST-OPERATION SAFETY RULES:  If you’re not trained don’t touch it!  Read the Material Safety Data Sheet before use.  Ensure an “Empty” label is present.  Close valve completely and cap cylinder.  Remove from operation (established procedures).  Transport cylinder using established procedures.  Place in “Empty Container” storage area.  Ensure “Empty” label is readable.  Bulk Containers - follow established procedures. HYDROGEN SULFIDE SAFETY - SLIDE 79 OF 97© Copyright SafetyInstruction.com 2005
  80. 80. STORAGE RULES REQUIREMENTS FOR STORAGE DEPEND GREATLY UPON YOUR SITE REQUIREMENTS. YOUR LOCAL FIRE INSPECTOR HAS THE FINAL WORD ON YOUR SPECIFIC STORAGE NEEDS. HYDROGEN SULFIDE SAFETY - SLIDE 80 OF 97© Copyright SafetyInstruction.com 2005
  81. 81. CHEMICAL STORAGE SURVEYS STORAGE SURVEYS:  OSHA, NFPA, and EPA impact storage requirements.  State requirements may also add to complexity.  The local fire inspector has the final say.  Chemical storage requirements vary from site to site.  Surveys can mean extensive facility modifications.  All affected personnel are encouraged to provide input.  Storage discipline is critical to facility safety. HYDROGEN SULFIDE SAFETY - SLIDE 81 OF 97© Copyright SafetyInstruction.com 2005
  82. 82. CHEMICAL STORAGE SURVEYS STORAGE SURVEYS:  Storage facilities must as a minimum address the following: - Container segregation. - Intrinsically safe lighting. - Leak containment issues. - Ventilation issues. - Signage issues - Design specifications. - Responder issues - Employee training issues. HYDROGEN SULFIDE SAFETY - SLIDE 82 OF 97© Copyright SafetyInstruction.com 2005
  83. 83. GENERAL STORAGE REQUIREMENTS STORAGE REQUIREMENTS (GENERAL):  Stored only on stable surfaces.  Specific hazards must be posted.  Containers must be stored up right.  Proper warning signs must be posted.  The oldest material must be used first.  The name of the material must be posted.  Product must be rotated to preserve stocks.  Do not intermingle full and empty containers.  Chemicals must be stored with like chemicals.  Some chemicals must always be shaded from sun.  Bulk Containers - follow established procedures. HYDROGEN SULFIDE SAFETY - SLIDE 83 OF 97© Copyright SafetyInstruction.com 2005
  84. 84. GENERAL STORAGE REQUIREMENTS (Continued) STORAGE ROOMS (GENERAL):  Must be dry.  Must not exceed 125 F.  Must be well ventilated.  Spill containment must be surveyed.  Should be protected from tampering.  Local fire inspectors should evaluate.  NFPA guidelines should be reviewed.  Subsurface storage should be avoided.  Should be of fire-resistive construction.  Ventilation requirements must be surveyed.  Intrinsically safe electrical fixtures must be installed. HYDROGEN SULFIDE SAFETY - SLIDE 84 OF 97© Copyright SafetyInstruction.com 2005
  85. 85. GENERAL STORAGE REQUIREMENTS (Continued) STORAGE ROOMS (GENERAL):  Containers - Must not impede emergency egress. - Cannot be located near exits. - Cannot be located near stairs.  Bulk Containers - follow established procedures. HYDROGEN SULFIDE SAFETY - SLIDE 85 OF 97© Copyright SafetyInstruction.com 2005
  86. 86. GENERAL STORAGE REQUIREMENTS (Continued) OUTDOOR STORAGE (GENERAL):  Bottoms must be protected from corrosion.  Must be shaded in extreme temperatures.  Some gases must always be shaded from sun.  Should be of fire-resistive construction.  Should be protected from tampering.  Local fire inspectors should evaluate.  NFPA guidelines should be reviewed.  Ensure secondary containment is sufficient.  Bulk Containers - follow established procedures. HYDROGEN SULFIDE SAFETY - SLIDE 86 OF 97© Copyright SafetyInstruction.com 2005
  87. 87. SPECIFIC STORAGE REQUIREMENTS ACID STORAGE REQUIREMENTS:  Acids Include Organic and Formic Acids and Inorganic Acids Such As Acetic, Chromic, Hydrochloric, Hydrofluoric, Nitric, Perchloric, Sulfuric. Segregate Organic Acids From Inorganic Acids. Acid Storage Cabinet for Smaller Acid Containers HYDROGEN SULFIDE SAFETY - SLIDE 87 OF 97© Copyright SafetyInstruction.com 2005
  88. 88. SPECIFIC STORAGE REQUIREMENTS (Continued) ACID STORAGE REQUIREMENTS:  Segregate organic acids from inorganic acids.  Segregate acids from bases and active metals.  Segregate oxidizing acids from organic acids.  Segregate oxidizing acids from flammable materials.  Store acid drums and carboys in a cool, dry place.  Store acid drums and carboys away from direct sunlight.  Place acid containers in spill trays to contain leaks. Acid Storage Cabinet for Smaller Acid Containers HYDROGEN SULFIDE SAFETY - SLIDE 88 OF 97© Copyright SafetyInstruction.com 2005
  89. 89. SPECIFIC STORAGE REQUIREMENTS (Continued) BASE STORAGE REQUIREMENTS:  Bases, include potassium hydroxide, sodium hydroxide, calcium hydroxide, ammonium hydroxide  Segregate bases from acids.  Store solutions of inorganic hydroxides in polyethylene containers.  Ensure secondary containment is sufficient for quantities stored. HYDROGEN SULFIDE SAFETY - SLIDE 89 OF 97© Copyright SafetyInstruction.com 2005
  90. 90. SPECIFIC STORAGE REQUIREMENTS (Continued) FLAMMABLE STORAGE REQUIREMENTS:  Flammables Include acetone, toluene, xylene, hydrogen sulfide, acetaldehyde, hexane and hundreds of commonly used flammable liquids in industry.  Remember, the local fire inspector has the final say on hazardous materials storage. Flammable Storage Cabinet for Smaller Containers HYDROGEN SULFIDE SAFETY - SLIDE 90 OF 97© Copyright SafetyInstruction.com 2005
  91. 91. SPECIFIC STORAGE REQUIREMENTS (Continued) FLAMMABLE STORAGE REQUIREMENTS:  Safety cans or drums containing flammable liquids must be grounded and bonded when liquids are transferred. With few exceptions, gravity transfer systems may not be used for flammable liquid transfer.  Glass containers must not be used for flammable liquids unless required to maintain chemical purity.  Store drums in a cool, dry place, away from direct sunlight and ignition sources. HYDROGEN SULFIDE SAFETY - SLIDE 91 OF 97© Copyright SafetyInstruction.com 2005
  92. 92. SPECIFIC STORAGE REQUIREMENTS (Continued) FLAMMABLE STORAGE REQUIREMENTS (INDOOR):  If there are more than 10 gallons of Class I flammable liquids (flash point < 100F) in a room, they must be stored in approved safety cans (up to 25 gallons) or in an approved flammable storage cabinet (up to 60 gallons).  Storage of more than 60 gallons of Class I flammable liquids requires an approved indoor storage room.  Store highly volatile flammable liquids in an approved flammable storage cabinet. HYDROGEN SULFIDE SAFETY - SLIDE 92 OF 97© Copyright SafetyInstruction.com 2005
  93. 93. SPECIFIC STORAGE REQUIREMENTS (Continued) OXIDIZER STORAGE REQUIREMENTS:  Oxidizers include benzoyl peroxide, potassium permanganate, ferric nitrate, hydrogen sulfide peroxide, nitric acid, perchloric acid, hydrogen sulfide, fluorine, oxygen and thousands more.  Separate oxidizers from flammable and combustible materials, as well as from reducing agents such as zinc, alkaline metals, and formic acid. HYDROGEN SULFIDE SAFETY - SLIDE 93 OF 97© Copyright SafetyInstruction.com 2005
  94. 94. TIPS FOR USING CONTRACTORS  Protect Your Employees!  Determine Who Is in Charge of Their People!  Determine If and How They Will Be Exposed!  Determine Their Safety Performance Record!  Determine If and How “WE” Will Be Exposed!  Determine How They Will Affect Your Employees!  Remember, “YOU” Control Your Facility or Area!  Review Their Procedures Before Starting the Job! HYDROGEN SULFIDE SAFETY - SLIDE 94 OF 97© Copyright SafetyInstruction.com 2005
  95. 95. SafetyInstruction.com © ? ? ? ? ? ? Do you have any questions concerning the course ? ? material we have just covered? ? ? ? ? ? ? HYDROGEN SULFIDE SAFETY - SLIDE 95 OF 97© Copyright SafetyInstruction.com 2005
  96. 96. SafetyInstruction.com © You have completed the HYDROGEN SULFIDE SAFETY Training Course! HYDROGEN SULFIDE SAFETY - SLIDE 96 OF 97© Copyright SafetyInstruction.com 2005

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