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EXPOSURE TABLE <br /> SUBSTANCE TLV-TWA TLV-STEL TLV-CEILING IDLH <br /> Benzene . 01 ppm N/A N/A 3000 ppm (Ca) } <br /> Toluene 100 ppm 150 ppm N/A 2000 ppm <br /> Xylene 100 ppm 150 ppm N/A 1000 ppm <br /> Ethyl benzene 100 ppm 125 ppm N/A 2000 ppm <br /> Prolonged exposures to concentrations above the limits noted may <br /> affect the Central Nervous System, Cardiovascular System, <br /> , <br /> Respiratory System, eyes, skin, .kidneys,'` bones and bone marrow. <br /> Research has shown that Benzene and some of the heavy metals are <br /> suspected or known carcinogens . <br /> Immediate symptoms of over-exposure include: Eye irritation, <br /> nose and throat irritation, headache,'' nausea, dizziness, <br /> drowsiness, weakiness, confusion, euphoria, excitement, staggered <br /> gait, abdominal pain, . respiratory difficulties, muscle fatigue, <br /> IE <br /> and coma. <br /> It should be noted that summertime heat may initiate weather + <br /> stress-related problems and decrease productivity on the job <br /> site. All WEGE personnel will monitor for heat stress and take <br /> adequate precautions against it . <br /> Symptoms of heat stress include: Heat rash, heat cramps, muscle <br /> spasms, pain in the hands and feet, heavy sweating, dizziness, <br /> t nausea, fainting. <br />.3 <br /> a <br /> r _ <br /> ' - E,. :s <br />