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LEAD RISK ASSESSMENT SPREADSHEET <br /> CALIFORNIA DEPARTMENT OF TOXIC SUBSTANCES CONTROL <br /> INPUT OUTPUT <br /> MEDIUM LEVEL percentiles PRG <br /> LEAD IN AIR(ug/m"3) 0.04 50th 90th 95th 98th 99th (ug/g) <br /> LEAD IN SOIL 220.0 BLOOD Pb,ADULT(ug/dl) 1.8 2.9 3.2 3.7 4.1 1106.6 <br /> LEAD IN WATER 5 BLOOD Pb,CHILD(ug/dl) 4.4 6.9 7.8 9.1 10.0 .9 <br /> PLANT uPTAKE7 t-YES w� ONO 1 BLOOD Pb,PICA CHILD(ug/(ug/di) 15.8 24.8 28.1 32.5 35.8P-22-0.2 <br /> BL a 70 BLOOD Pb,INDUSTRIAL(ug/dl) 1.3 2.1 2.4 2.8 3.0 <br /> EXPOSURE PARAMETERS <br /> residential irxlustrial <br /> units adults children children adults <br /> General I I with pica <br /> Das per week I days/wk 71 71 7 5 <br /> Dermal Contact <br /> Skin area cmA2 3700 28W 2800 5800 <br /> Soil adherence mg/cm"2 0.5 0.5 0.5 0.5 <br /> Route-specific constant (ug/dly(ug/day) 0.00011 0.00011 0.00011 0.00011 <br /> Sal <br /> Soil irgestion mg/day 251 551 790 25 <br /> Route-specific constant (ug/diy(ug/day) 1 0.01761 0.07041 0.07041 0.0176 <br /> Inhalation <br /> Breathing rate I nN3/day 1 201 101 101 20 <br /> Route-specific constant (ug/dly(ug/day) 1 0.0821 0.1921 0.1921 0.082 <br /> ingestion <br /> Water irVestion I uday 1 1.41 0.41 0.41 1.4 <br /> Route-specific constant (ug/dly(uglday) 1 0.041 0.16 0-161 0.04 <br /> ingestion <br /> Food ingestion kg/day 2.2 1.3 1.3 2.2 <br /> Route-specific constant (ug/dly(ug/day) 0.04 0.16 0.16 0.04 <br /> Dietary concentration U9A(9 14.9 14.9 14.9 10.0 <br /> Lead in produce ug/kg 99.0 99.0 99.0 <br /> PATHWAYS,ADULTS <br /> Residential Industrial <br /> Blood Pb percent Blood Pbpercent Concentration <br /> Pathway ugidl of total dl of total in medium <br /> SOIL CONTACT: 0.04 2% 0.05 4% 220 ug/g <br /> SOIL INGESTION: 0.10 5% 0.07 5% 220 g <br /> INHALATION: 0.09 5% 0.06 5% 0.06 ug/mA3 <br /> WATER INGESTION: 0.28 15% 0.28 21% 5 <br /> FOOD!'NGESTION: 1 1.31 72% 0.88 66% 11.9 ug Pb/kg diet <br /> PATHWAYS,CHILDREN <br /> Typical with pica <br /> Blood Pb percent Blood Pb percent concentration <br /> Pathway ug/dl of total ugldl of total in medium <br /> SOIL CONTACT: 0.03 1% 0.03 0% 220 ugig <br /> SOIL INGESTION: 0.85 19% 12.24 77% 220 ug/g <br /> INHALATION: 0.11 2% 0.11 1% 0.06 A3 <br /> WATER INGESTION: 0.32 7% 0.32 2% 5 ugA <br /> FOOD INGESTION: 3.10 70% 3.10 20% 14.9 ug Pb1kg diet <br /> 04/18/95 <br />