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Kennedy/Jenks Consultants
<br /> Table 4: Chemical Allowable Exposure Values and Exposure Symptoms
<br /> CaIOSHA CaIOSHA
<br /> Chemical TLV TWA(a) STEL(b) PEL(`) Acute Exposure Symptoms(d) Target Organs(d)
<br /> Lead 0.05 mg/m NE a 0.05 mg/m3 Lassitude(weakness, exhaustion), Eyes, gastrointestinal tract,central nervous
<br /> insomnia;facial pallor; anorexia,weight loss, system, kidneys, blood,gingival tissue
<br /> malnutrition;constipation, abdominal pain,
<br /> colic;anemia;gingival lead line;tremor;
<br /> paralysis wrist, ankles; encephalopathy;
<br /> kidney disease; irritation eyes; hypotension
<br /> Benzene 0.5 ppm 5 ppm 1 ppm Irritant to eyes, nose respiratory system Skin , liver,kidneys, respiratory system,
<br /> nausea cardiovascular system, central nervous
<br /> system
<br /> Ethylbenzene 100 ppm 125 ppm 100 ppm Irritant to eyes, mucous membranes, Skin, liver, kidneys, respiratory system,
<br /> dermatitis,narcosis coma cardiovascular system,central nervous
<br /> system
<br /> Toluene 50 ppm 300 ppm 100 ppm Fatigue,weakness, confusion, euphoria, Central nervous system, liver, kidneys, skin
<br /> ceiling dizziness headache dilated pupils
<br /> Xylene 100 ppm 150 ppm 100 ppm Dizziness,excitement,vomiting Central nervous system, eyes, GI tract,
<br /> blood, liver, kidneys, skin
<br /> 1,1-dichloroethane 200 ppm NE 100 ppm CNSe depression;skin irritation; liver, kidney, Skin,liver, kidneys, lung,CNS
<br /> (1,1-DCA) luno damage
<br /> 1,1,1-trichloroethane 350 ppm 450 ppm 350 ppm Irritated eyes,skin;headache; lassitude;CNS Eyes,skin,CNS,CVS liver
<br /> (1,1,1-TCA,methyl depression;poor equilibrium;cardiac
<br /> chloroform) arrhythmias;liver damage
<br /> (a) TLV-TWA=Threshold Limit Value-8 hr.Time Weighted Average. TLV-TWA reported in ppm represents parts of vapor per million parts of air by volume at
<br /> 25°C and 760 torr.TLV-TWA reported in mg/m3 represents milligrams of substance per cubic meter of air.
<br /> (b) STEL=Short Term Exposure Limit.
<br /> (c) PEL= Permissible Exposure Level based on 8 hour time weighted average.
<br /> (d) Source: U.S. Department of Health and Human Services. NIOSH Pocket Guide to Chemical Hazards.June 1994.
<br /> Sittig, Marshall. 1985. Handbook of Toxic and Hazardous Chemicals and Carcinogens. Park Ridge, New Jersey. Noyes Publications.
<br /> (e) NE= not established.
<br /> (f) "Skin"notation indicates route of exposure through cutaneous absorption.
<br /> Site Health and Safety Plan Page 1 of 1
<br /> Former Tracy Railyard, Tracy, California
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