аЯрЁБс>ўџ 46ўџџџ3џџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџьЅС7 јПяbjbjUU ""7|7|яџџџџџџlТТТТ Юё Fю(ЂИ4ьp r r r r r r $7 W~– – ИЋ ИИИ p Иp ИИИp p т №УыАoТЎТRp p С 0ё p еdTеp ИйStandard Operating Procedures Location:________________________ P.I.______________________ Date:__________ Section 1. Hazard Class- Highly Toxic Gases (Substances with a LC50 less than 1000 parts per million). Section 2. Describe Hazardous Chemical- Laboratory use of highly toxic gas cylinders. Examples are Bromine, Nitric Oxide, Chlorine and Hydrogen Chloride. Working with substances of high toxicity requires preplanning, proper and adequate equipment and trained, knowledgeable personnel conducting and overseeing the work. These operations require the consistent application of good work practices and skills to control the hazard while achieving the goal of the experiment. Section 3. Potential Hazards- POISON-Acutely toxic hazardous material. May be fatal if inhaled, swallowed or absorbed through skin. Potential for explosion due to cylinder pressure. Section 4. Personal Protective Equipment- When working with highly toxic gases use chemical safety glasses and viton or neoprene gloves. Wear a lab coat or a chemical apron. Must have proper exhaust ventilation in room or use a fume hood. Section 5. Engineering Controls- Best practice is to purchase the smallest quantity needed. Highly toxic gas cylinders shall be stored in a fume hood or a containment cabinet designed for the storage of toxic gases. The experiment should be contained within the fume hood if possible. If this cannot be achieved, the substance must be stored in a containment cabinet with the appropriate exhaust lines and alarm. Gases should be mixed in the fume hood or cabinet to reduce concentrations in lines passing through occupied room space. Compatible metal tubing/piping without joints should be used to transport toxic gases across room space. The supply line should be enclosed in an exhaust line connected to the exhaust system to capture and contain any releases (line within a line). An automatic shutoff shall be used to turnoff gas supply in the event of a sudden loss of pressure in the supply line. A critical orifice should be used when possible to prevent free flow into the supply line. An alarm system shall be used to detect leaks for routinely used highly toxic gases with no or poor warning properties. The alarm level shall be set below the permissible exposure level for that substance. Section 6. Special Handling and Storage Requirements- Secure cylinders at all times with two points of attachment. Store with cap in place when not in use. Before using hazardous materials in the process/experimental setup, perform a "dry" run to assure equipment is working properly and as anticipated. Remove all unnecessary material from the immediate work area to facilitate decontamination in the event of a release. For occasional/onetime use materials check with EH&S or chemistry stockroom to find availability of gas on campus. Order only when ready for experiments (check availability of gas) and store minimum quantities. Promptly return cylinder when procedures are completed. Section 7. Spill and Accident Procedures- Highly toxic gas releases will require specialized equipment and response must be determined in advance. Spill and accident procedures should be determined in advance of these materials arriving onsite. EH&S is available to assist with emergency planning. Section 8. Decontamination Procedures (As Determined in Advance)- To decontaminate, wipe areas with the appropriate neutralizing agent. Place all material in a proper container, labeled “hazardous waste” and its constituents, and notify EH&S for pickup. Section 9. Waste Disposal Procedures- Place decontamination material in an appropriate and compatible container. Container must be closed and labeled with the main constituents and the words “hazardous waste”. Place waste in waste collection area and call EH&S at 297-3129. Section 10. Material Safety Data Sheets Locations- Material Safety Data Sheets are kept in a binder labeled MSDS in room___, or may be found on the web at either  HYPERLINK "http://www.siri.org" www.siri.org or  HYPERLINK "http://www.fau.edu/ehs" www.fau.edu/ehs. Section 11. 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