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Dichlorodifluoromethane Can Affect You When Breathed * If You Think You Are Experiencing Any Work-Related Health In

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Dichlorodifluoromethane Can Affect You When Breathed * If You Think You Are Experiencing Any Work-Related Health In Common Name: DICHLORODIFLUORO- METHANE CAS Number: 75-71-8 DOT Number: UN 1028 RTK Substance number: 0649 DOT Hazard Class: 2.2 (Non-Flammable Gas) Date: May 1998 Revision: December 2005 ------------------------------------------------------------------------- ------------------------------------------------------------------------- HAZARD SUMMARY * Dichlorodifluoromethane can affect you when breathed * If you think you are experiencing any work-related health in. problems, see a doctor trained to recognize occupational * Contact with the liquid can cause cracking and drying of diseases. Take this Fact Sheet with you. the skin, and may cause frostbite. * Dichlorodifluoromethane can cause eye irritation and WORKPLACE EXPOSURE LIMITS severe eye pain. OSHA: The legal airborne permissible exposure limit * Breathing the gas can irritate the mouth, nose, and throat. (PEL) is 1,000 ppm averaged over an 8-hour * Exposure to high concentrations of the gas can cause the workshift. heart to beat irregularly or to stop. This can cause death. * Exposure can cause dizziness, lightheadedness, and NIOSH: The recommended airborne exposure limit is trouble with concentration. 1,000 ppm averaged over a 10-hour workshift. IDENTIFICATION ACGIH: The recommended airborne exposure limit is Dichlorodifluoromethane is a colorless gas or liquid under 1,000 ppm averaged over an 8-hour workshift. pressure. It is used as a refrigerant gas, an aerosol propellant, in plastics, and as a leak detecting agent. WAYS OF REDUCING EXPOSURE * Where possible, enclose operations and use local exhaust REASON FOR CITATION ventilation at the site of chemical release. If local exhaust * Dichlorodifluoromethane is on the Hazardous Substance ventilation or enclosure is not used, respirators should be List because it is regulated by OSHA and cited by worn. ACGIH, DOT, NIOSH, DEP, IRIS and EPA. * Wear specially designed protective clothing when * Definitions are provided on page 5. exposure to cold equipment, vapors or liquid Dichlorodifluoro-methane can occur. HOW TO DETERMINE IF YOU ARE BEING * On skin contact with Dichlorodifluoromethane, EXPOSED immediately submerse the affected body part in warm water. The New Jersey Right to Know Act requires most employers * Post hazard and warning information in the work area. In to label chemicals in the workplace and requires public addition, as part of an ongoing education and training employers to provide their employees with information and effort, communicate all information on the health and training concerning chemical hazards and controls. The safety hazards of Dichlorodifluoromethane to potentially federal OSHA Hazard Communication Standard (29 CFR 1910.1200) requires private employers to provide similar exposed workers. training and information to their employees. * Exposure to hazardous substances should be routinely evaluated. This may include collecting personal and area air samples. You can obtain copies of sampling results from your employer. You have a legal right to this information under the OSHA Access to Employee Exposure and Medical Records Standard (29 CFR 1910.1020). DICHLORODIFLUOROMETHANE page 2 of 6 This Fact Sheet is a summary source of information of all Request copies of your medical testing. You have a legal right potential and most severe health hazards that may result from to this information under the OSHA Access to Employee exposure. Duration of exposure, concentration of the substance Exposure and Medical Records Standard (29 CFR 1910.1020). and other factors will affect your susceptibility to any of the potential effects described below. WORKPLACE CONTROLS AND PRACTICES -------------------------------------------------------------------------- Unless a less toxic chemical can be substituted for a hazardous HEALTH HAZARD INFORMATION substance, ENGINEERING CONTROLS are the most effective way of reducing exposure. The best protection is to Acute Health Effects enclose operations and/or provide local exhaust ventilation at The following acute (short-term) health effects may occur the site of chemical release. Isolating operations can also immediately or shortly after exposure to reduce exposure. Using respirators or protective equipment is Dichlorodifluoromethane: less effective than the controls mentioned above, but is sometimes necessary. * Contact with the liquid can cause cracking and drying of the skin, and may cause frostbite. In evaluating the controls present in your workplace, consider: * Dichlorodifluoromethane can cause eye irritation and (1) how hazardous the substance is, (2) how much of the severe eye pain. substance is released into the workplace and (3) whether harmful skin or eye contact could occur. Special controls * Breathing the gas can irritate the mouth, nose, and throat. should be in place for highly toxic chemicals or when * Exposure to high concentrations of the gas can cause the significant skin, eye, or breathing exposures are possible. heart to beat irregularly or to stop. This can cause death. * Exposure can cause dizziness, lightheadedness, and trouble In addition, the following controls are recommended: with concentration. * Where possible, automatically transfer Chronic Health Effects Dichlorodifluoromethane or pump liquid The following chronic (long-term) health effects can occur at Dichlorodifluoromethane from drums or other storage some time after exposure to Dichlorodifluoromethane and can containers to process containers. last for months or years: * Specific engineering controls are required for this chemical by OSHA. Refer to the OSHA Compressed Gas Standard Cancer Hazard (29 CFR 1910.101). * According to the information presently available to the New * Before entering a confined space where Jersey Department of Health and Senior Services, Dichlorodifluoromethane is present, check to make sure Dichlorodifluoromethane has been tested and has not been sufficient Oxygen (19%) exists. shown to cause cancer in animals. Good WORK PRACTICES can help to reduce hazardous Reproductive Hazard exposures. The following work practices are recommended: * According to the information presently available to the New Jersey Department of Health and Senior Services, * Workers whose clothing has been contaminated by Dichlorodifluoromethane has been tested and has not been Dichlorodifluoromethane should change into clean shown to affect reproduction. clothing promptly. * Contaminated work clothes should be laundered by Other Long-Term Effects individuals who have been informed of the hazards of * No chronic (long-term) health effects are known at this exposure to Dichlorodifluoromethane. time. * Eye wash fountains should be provided in the immediate work area for emergency use. MEDICAL * If there is the possibility of skin exposure, emergency shower facilities should be provided. Medical Testing * On skin contact with Dichlorodifluoromethane, If symptoms develop or overexposure is suspected, the immediately wash or shower to remove the chemical. following is recommended: * Do not eat, smoke, or drink where Dichlorodifluoromethane is handled, processed, or stored, * Special 24-hour EKG (Holter monitor) to look for irregular since the chemical can be swallowed. Wash hands heartbeat. carefully before eating, drinking, smoking, or using the toilet. Any evaluation should include a careful history of past and present symptoms with an exam. Medical tests that look for damage already done are not a substitute for controlling exposure. DICHLORODIFLUOROMETHANE page 3 of 6 PERSONAL PROTECTIVE EQUIPMENT HANDLING AND STORAGE WORKPLACE CONTROLS ARE BETTER THAN * Prior to working with Dichlorodifluoromethane you PERSONAL PROTECTIVE EQUIPMENT. However, for should be trained on its proper handling and storage. some jobs (such as outside work, confined space entry, jobs * Dichlorodifluoromethane is not compatible with done only once in a while, or jobs done while workplace OXIDIZING AGENTS (such as PERCHLORATES, controls are being installed), personal protective equipment PEROXIDES, PERMANGANATES, CHLORATES, may be appropriate. NITRATES, CHLORINE, BROMINE and FLUORINE); METALS (such as POTASSIUM, SODIUM, The OSHA Personal Protective Equipment Standard (29 CFR MAGNESIUM and ZINC); CALCIUM; and POWDERED 1910.132) requires employers to determine the appropriate ALUMINUM. personal protective equipment for each hazard and to train * Store in tightly closed containers in a cool, well-ventilated employees on how and when to use protective equipment. area away from HEAT and COMBUSTIBLE MATERIALS. The following recommendations are only guidelines and may * Cylinder temperatures must not exceed 125oF (52oC). not apply to every situation. QUESTIONS AND ANSWERS Clothing * Avoid skin contact with Dichlorodifluoromethane. Wear Q: If I have acute health effects, will I later get chronic protective gloves and clothing. Safety equipment health effects? suppliers/manufacturers can provide recommendations on A: Not always. Most chronic (long-term) effects result from the most protective glove/clothing material for your repeated exposures to a chemical. operation. * Safety equipment manufacturers recommend Tychem® Q: Can I get long-term effects without ever having short- Responder, BR/LV and TK as protective materials. * Where exposure to cold equipment, vapors, or liquid may term effects? occur, employees should be provided with special clothing A: Yes, because long-term effects can occur from repeated designed to prevent the freezing of body tissues. exposures to a chemical at levels not high enough to make * All
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