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s 0 s <br /> I.TASK SPECIFIC HEALTH AND SAFETY RISK ANALYSIS <br /> A. Predominant Potential Site Chemical Hazards <br /> CHEMICAL PEL-TWA OTHER WARNING ROUTES OF ACUTE HEALTH CHRONIC <br /> (OR CLASS) PERTINENT PROPERTIES EXPOSURE OR EFFECTS HEALTH EFFECTS/ <br /> LIMITS IRRITATION TARGET ORGANS <br /> TLV-TWA <br /> Toluene 200 ppm IDLH=500 ppm Airplane glue odor Inhalation,dermal,ingestion Headache,dizziness,nausea, CNS,liver kidneys,skin <br /> (skin) 50ppm thPELrSTEL--150 ppm Odor reshold=8 ppm weakness <br /> Benzene 1 ppm EL-STELr5 ppm Characteristic benzene odor Inhalation,dermal,ingestion Headache,dizziness,nausea, CNS Carcinogen,bone marrow, <br /> (skin) IDL.H=500 ppm Odor threshold=3-5 ppm weakness blood,skin <br /> 03 <br /> Xylene 100 ppm EL-STEL=150 ppm Aromatic odor Inhalation,dermal,ingestion Skin/eye/respiratory imtant, CNS,liver,kidneys,skin <br /> DLH=900 ppm Odor threshold--0 5 ppm dizziness,headache,drowsiness <br /> 100 ppm <br /> thyl Benzene 100 ppm EL-STEL=125 ppm Pungent aromatic odor Inhalation,dermal,ingestion Skin/eyc/mucous membrane imtant, Eyes,respiratory tract,skin,CNS <br /> ELCeilmg=800 Odorthreshold=2 ppm dizziness,headache,drowsiness <br /> 100 ppm <br /> Nap ene 10 ppm IDL11=250 ppm Mothball odor Inhalation,dermal,ingestion Stun and eye imtant,dizziness Eyes skin,blood liver,kidneys <br /> headache CNS <br /> 110 ppm <br /> PEL-TWA=Permissible Exposure Limit-Tune Weighted Average(8 hours) <br /> TLV-TWA=Threshold Limit Value-Ttme Weighted Average(8 hours) <br /> STEL=Short Term Exposure Limit(IS minutes) IDLH=Immediately Dangerous to Life or Health <br /> C=Ceiling Lirmt(not to be exceeded,even instantaneously) SKIN=Skin absorption can be a significant part of exposure • <br /> _t_ <br />