Lab Safety Manual - UCLA - Environment, Health & Safety

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Chapter 5: Chemical Exposure Assessment Regulatory Overview It is University policy to comply with all applicable health, safety and environmental protection laws, regulations and requirements. Cal/OSHA requires that all employers “measure an employee’s exposure to any substance regulated by a standard which requires monitoring if there is reason to believe that exposure levels for that substance exceed the action level (or in the absence of an action level, the exposure limit).” Repeated monitoring may be required if initial monitoring identifies employee exposure over the action level or exposure limit. Cal/OSHA regulates Permissible Exposure Limits (PELs) for airborne contaminants to which “nearly all workers may be exposed daily during a 40-hour workweek for a working lifetime (of 40 years) without adverse effect”, and are based upon an 8-hour Time-Weighted Average (TWA) exposure. Thus, the PELs are the maximum permitted 8-hour TWA concentration of an airborne contaminant without the use of respiratory protection. Cal/OSHA has also defined Short Term Exposure Limits (STELs) as the maximum TWA exposure during any 15 minute period, provided the daily PEL is not exceeded and Ceiling (C) exposures that shall not be exceeded at any time. Cal/OSHA has listed established PELs, STELs and Ceiling exposures for chemical contaminants identified in CCR Title 8 Section 5155 (Airborne Contaminants) Table AC-1 (http://www.dir.ca.gov/Title8/ac1.pdf). In the absence of a published Ceiling limit, Cal/OSHA requires employee exposure to concentrations above the PEL be controlled to prevent harmful effects. Further, Cal/OSHA has promulgated specific standards covering several regulated carcinogens, which may include an Action Level (AL), triggering medical surveillance requirements or the imposition of a specific Excursion Limit (such as for asbestos) with a unique measurement of the duration of an exposure. Additionally, the Safe Drinking Water and Toxic Enforcement Act of 1986 requires Cal/EPA to publish annually a list of Proposition 65 chemicals known to the State to cause cancer or other reproductive toxicity (http://www.oehha.ca.gov/prop65/prop65_list/files/P65single061110.pdf). Exposure Assessment Overview All University employees require protection from exposure to hazardous chemicals above PELs, STELs and Ceiling concentrations. Cal/OSHA requires the person supervising, directing or evaluating the exposure assessment monitoring be competent in the practice of industrial hygiene. Thus, exposure assessment should be performed only by representatives of EH&S and not the PI/Laboratory Supervisor. General questions regarding exposure assessment or the Industrial Hygiene Program can be directed to indyg@ehs.ucla.edu. Minimizing an exposure may be accomplished using a combination of engineering controls, administrative controls and personal protective equipment, listed in order of priority. Assessing exposure to hazardous chemicals may be accomplished through a number of methods performed by EH&S, including employee interviews, visual observation of chemical use, evaluation of engineering controls, use of direct reading instrumentation, or the collection of Chemical Hygiene Plan 5-1 January 2013
analytical samples from the employee‟s breathing zone. Personal exposure assessment will be performed under either of the following situations: 1. Based on chemical inventories, review of Standard Operating Procedures (SOPs), types of engineering controls present, laboratory inspection results and/or review of the annual Laboratory Hazard Assessment Tool, EH&S determines whether an exposure assessment is warranted; or 2. User of a hazardous chemical has concern or reason to believe exposure is not minimized or eliminated through use of engineering controls or administrative practices (such as transfer of chemical through double needle performed entirely in a fume hood) and the potential for exposure exists. The user should then inform his or her PI/Laboratory Supervisor, who will in turn contact the EH&S Industrial Hygiene Program, EH&S Radiation Safety Division, EH&S Injury Prevention Division, or the University‟s Occupational Health Facility (OHF). EH&S and OHF will then determine the best course of action in assessing employee exposure, including visual assessment, air monitoring, medical evaluation, examination, or medical surveillance. In event of any serious injury or exposure, including chemical splash involving dermal or eye contact, immediately call 911 from a campus phone or 310-825-1491 from an off-campus or cell phone and obtain medical treatment immediately. Do not wait for an exposure assessment to be performed before seeking medical care. EXPOSURE ASSESSMENT PROTOCOL – NOTIFICATION TO EMPLOYEES OR EMPLOYEE REPRESENTATIVES AND RIGHT TO OBSERVE MONITORING (SECTION 340.1) The EH&S Industrial Hygiene Program conducts exposure assessments for members of the campus community. Employees have a right to observe testing, sampling, monitoring or measuring of employee exposure. They are also allowed access to the records and reports related to the exposure assessment. Exposure assessments may be performed for hazardous chemicals, as well as for physical hazards including noise and heat stress to determine if exposures are within PELs or other appropriate exposure limits that are considered safe for routine occupational exposure. General protocol in conducting an exposure assessment may include any of the following: 1. Employee interviews; 2. Visual observation of chemical usage and/or laboratory operations; 3. Evaluation of simultaneous exposure to multiple chemicals; 4. Evaluation of potential for absorption through the skin, mucus membranes or eyes; 5. Evaluating existing engineering controls (such as measuring face velocity of a fume hood); 6. Use of direct reading instrumentation; and 7. Collection of analytical samples of concentrations of hazardous chemicals taken from the employees breathing zone, or noise dosimetry collected from an employee‟s shirt collar or various forms of radiation dosimetry. If exposure monitoring determines an employee exposure to be over the action level (or the PEL) for a hazard for which OSHA has developed a specific standard (e.g., lead), the medical surveillance provisions of that standard shall be followed. It is the responsibility of the PI/Laboratory Supervisor to ensure that any necessary medical surveillance requirements are met. When necessary, EH&S will make recommendations regarding adjustments to engineering controls or administrative procedures to maintain exposure below any applicable PEL. Where the use of respirators is necessary to maintain exposure below permissible exposure limits, UCLA will provide, at no cost to the employee, Chemical Hygiene Plan 5-2 January 2013
Page 2 and 3: Laboratory Safety Manual Office of
Page 4 and 5: esponse. This information is intend
Page 6 and 7: are noted, and provide training and
Page 8 and 9: IIPP
Page 10 and 11: Chemical Hygiene Plan January 2013
Page 12 and 13: Table of Contents Chapter 1: Introd
Page 14 and 15: Chapter 1: Introduction Purpose UCL
Page 16 and 17: All personnel, including PIs/Labora
Page 18 and 19: c. Preparing SOPs and performing li
Page 20 and 21: Chapter 2: Chemical Hazard Communic
Page 22 and 23: EMPLOYEE INFORMATION AND TRAINING E
Page 24 and 25: Chapter 3: Classes of Hazardous Che
Page 26 and 27: esistant storage cabinet or, in man
Page 28 and 29: Acute Toxins Substances that have a
Page 30 and 31: nanomaterials are used as fine powd
Page 32 and 33: Chapter 4: How to Reduce Exposures
Page 34 and 35: of the nine readings must be at lea
Page 36 and 37: EH&S requires that each laboratory
Page 38 and 39: EH&S policy requires each laborator
Page 40 and 41: An annual refresher is required for
Page 42 and 43: Never use mouth suction for pipetti
Page 46 and 47: the proper respiratory equipment an
Page 48 and 49: Physician’s Written Opinion For e
Page 50 and 51: Chapter 6: Inventory, Labeling, Sto
Page 52 and 53: Chemical Storage & Segregation Esta
Page 54 and 55: flammable solvent. Other common haz
Page 56 and 57: fuel-gas cylinders securely in the
Page 58 and 59: Chapter 7: Training Regulatory Requ
Page 60 and 61: Resources EH&S has a number of tool
Page 62 and 63: Chapter 8: Inspections and Complian
Page 64 and 65: and safety training, including safe
Page 66 and 67: Chapter 9: Hazardous Chemical Waste
Page 68 and 69: The manufacturer‟s SDS provides d
Page 70 and 71: Peroxide Forming Chemicals Peroxide
Page 72 and 73: appropriate lab coat, gloves and ey
Page 74 and 75: BENCH TOP TREATMENT EPA regulations
Page 76 and 77: Chapter 10: Accidents and Chemical
Page 78 and 79: Chemical Spills Chemical spills can
Page 80 and 81: Appendices Chemical Hygiene Plan Ja
Page 82 and 83: Appendix A: General Rules for Labor
Page 84 and 85: UNSAFE LABORATORY HABITS Personal P
Page 86 and 87: Appendix B: Sample Safety Data Shee
Page 88 and 89: Sample SDS, cont. Obtain SDS from t
Page 94 and 95:
Appendix C: Container Labeling Chem
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Appendix D: SOP Instructions and Te
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Sample SOP Template Obtain this for
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Sample SOP Template, cont. Obtain t
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Sample SOP Template, cont. Obtain t
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Appendix E: UCLA Particularly Hazar
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substances or generalized over a gr
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E. Engineering Controls 1. Bench to
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educe exposure. If levels cannot be
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4. It is listed in either Group 2A
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A T T A C H M E N T C Listed Carcin
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Appendix F: Regulated Carcinogens C
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Appendix G: Respiratory Hazard Asse
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Appendix H: Peroxide Forming Chemic
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Appendix I: EH&S Safety Training Ma
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Appendix J: Employee Training Histo
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Appendix K: Site-Specific Training
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Appendix L: Laboratory Inspection C
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Laboratory Inspection Checklist, co
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Appendix M: Segregation of Incompat
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Appendix N: Hazardous Waste Pick-Up
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Appendix O: Spill Clean-up Procedur
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Appendix P: Lab Emergency Poster Ob
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Appendix Q: Policy 905 - Research L
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B. Protective gloves must be worn w
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Appendix R: NanoTool Kit Chemical H
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Chemical Hygiene Plan R-3 January 2
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Chemical Hygiene Plan R-11 January
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Appendix S: Facilities Service Cons
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Appendix T: PPE Issuance Form Chemi
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Appendix U: Glossary ACGIH - The Am
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GENERAL VENTILATION - Also known as
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MUTAGEN - Anything that can cause a
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Lab Specific SOPs
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Inspection Records
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Resources
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3. Outline Lab Safety Training Requ
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Lab Safety Manual - UCLA - Environment, Health & Safety

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