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2.0 POTENTIAL AIRBORNE CONCERNS <br /> POTENTIAL AIRBORNE CHEMICALS ONSITE IN THIS PROJECT <br /> REVIEW THIS TABLE AND CONTACT SHSO WITH QUESTIONS <br /> OTHER ROUTES OF CHRONIC <br /> CHEMICAL OSHA PEL WARNING ACUTE HEALTH <br /> (OR CLASS) ACGIH TLV PERTINENT PROPERTIES EXPOSURE OR EFFECTS HEALTH EFFECTS/ <br /> LIMITS IRRITATION TARGET ORGANS <br /> TPHd FedOSHA PEL 400 NIOSH REL 350 ppm Yellowish to light Inhalation,skin Nausea,eye irritation, Kidneys,circulatory system <br /> ppm brown liquid absorption, ingestion,skin increased blood <br /> and/or eye contact. pressure,headache, <br /> light-headedness, loss <br /> of appetite, poor <br /> coordination, and 4 <br /> difficulty concentrating. <br /> [Potential occupational <br /> carcinogen <br /> TPHg CaIOSHA PEL 300 CaIOSHA STEL 500 Clear liquid with a Inhalation,skin Irritation eyes,skin, Eyes,skin, respiratory system., <br /> ppm ppm characteristic odor absorption, ingestion,skin mucous membrane;. central nervous system, liver, <br /> and/or eye contact dermatitis;headache., kidneys <br /> FedOSHA PEL fatigue, blurred vision, <br /> None Established dizziness,slurred <br /> speech,confusion, <br /> No REL Established convulsions;chemical . <br /> pneumonia(aspiration <br /> TLV 300 ppm liquid); possible liver, <br /> kidney damage; <br /> [Potential occtapational <br /> carcinogen] <br /> i <br /> Methyl Tertiary Butyl CaIOSHA PEL 40 AIHA WEEL 100 ppm. Flammable liquid with inhalation,dermal, Irritated nose,throat, CNS„liver, kidney, <br /> Ether(MTBE) . ppm a distinctive, . ingestion headache,dizziness, gastrointestinal damage, <br /> disagreeable odor nausea,sleepiness potential carcinogen <br /> FedOSHA PEL. <br /> None Established <br /> TLV 4 0,pprn <br /> PG&E SECOR International Incorporated <br /> ECOR Project No.050T.50234.00.0003 PG&E French Camp HASPB.doc <br /> 10 <br />