LEAD INSPECTOR/ RISK ASSESSOR QUESTIONS WITH CORRECT NSWERS

1978 - Consumer Product Safety Commission banned residential use of LBP for buildings built after _______? Why is Lead a problem? - -Toxin, no use or value in body -Not recognized by body as toxic -Replaces essential materials (i.e. iron and calcium) -Accumulates in body Lead enters body through... - -Inhalation -Ingestion Well-nourished children absorb_______ of ingested lead - 50% Adults absorb _____ of ingested lead - 10% How long does lead stay in the blood? - 30 days How long does lead stay in soft tissues (i.e. kidneys, fat, brain, nerves, muscle, heart)? - 6-8 months How long does lead stay in bones and teeth? - Up to 30 years Children's lead exposure is primarily by - ingestion Chronic lead exposure effects - -reproductive organs -hemoglobin formation -nervous system -kidney failure Lead Effects on Fetus - -LBW -Premature -Still birth -Other disorders Lead affects children more than adults because... - -hand-to-mouth -closer to exposure -increased metabolism -increased absorption -dose-response relationship Effects of lead in adults - -HBP -digestive -nervous disorders -loss of strength/coordination -anemia -difficulty with concentration -reproductive Effects of lead in children - -IQ reduction -behavioral/ learning disabilities -speech/ language -decreased growth -hearing -hyperactivity Effects of lead exposures on children development - -higher dose, greater effect -earlier dose, greater effect Symptoms of lead exposure - NOT unique to lead Elevated Blood Lead Level (EBL) - Children -5 ug/dl (CDC) Intervention -10 ug/dl (MI) Medical Management -20 ug/dl (MI) intervention **OR two consecutive tests 15-19 ug/dl Adults -50 ug/dl (OSHA) Medical removal from occupational exposures -40 ug/dl (OSHA) Level of concern ** Two consecutive tests under 40 ug/dl no less than 7 days apart to return to work**