COMPLIANCE INFO - Laserfiche WebLink

Home Browse Search

Routes of Exposure Routes of Exposure • INHALATION:Chemicals can enter ABSORPTION:Chemicals can enter your your bodythrough your lungs as you — — body through your skin,hands and feet. breathe the air that contains gases, k The skin is a protective barrier that helps a x vapors,dusts,fumes or mists of hazardous keep chemicals from entering your body � z"�- ' s , —This Is the most common route of i'. r. —f —This is the second most common exposure exposure for employees because we have {;, ,b�.. route to breathe constantly — If the air we breathe contains a chemical it will usually pass easily into your body through your lungs and Into your ----•�• bloodstream i t t Routes of Exposure Exposure Limits • INGESTION:Chemicals can enter Exposure limits usually represent the maximum concentration your body when you eat,drink,or amount of chemical which can be present In air without presenting a health hazard. touch your mouth with —These limits were established to limit exposure by Inhalation contaminated hands. `•,, Exposure limits may not always be completely protective: This Is not a Very common route —May not prevent excessive exposure to chemicals that can be easily absorbed through the skin or Ingested • INJECTION:Although uncommon,it certain employees may be more sensitive to a chemical and will be affected by a chemical at levels below the exposure limit set for most workers is still a route of exposure. —Exposure limits do not take Into account chemical interactions. •The effects may be addithm or synergistic depending on the combination of chemicals in question t Exposure Limits Exposure Limits • The most common exposure limits used in Industry Immediately Dangerous to We and Health(IDLH): are Threshold Limit Value(TLV)and Permissible Exposure Limit(PEL). –A condition that is of immediate danger to you and from which –nV's or PEVs are the airborne concentration that one can one cannot escape within 30 minutes without permanent be exposed to: Cal/ ° damage or death •8 hours a day,40 hours a week,for 40 years with out adverse effects • Skin Designation(S): –PEVs are set by California occupational safety and Health –if a chemical has a skin designation next to its exposure limit,it Administration(CaVOSHA) means that it can enter the body through absorption as readily as —TLV's are set by the American Conference of Govemmental inhalation Industrial Hygienists(ACGIH) •In most cases,the TLV is kmmr(more stringent)than the PEL —Usually the lower the TLV or PEL of a chemical,the more _ dangerous it is 2