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- ABLE 8-7 (�onilnuo� <br /> Sample <br /> detection Percent <br /> Sample matrix Preparation method Analytical method limit recovery Reference <br /> Blood and urine 206Pb added and sample acid IDMS NR 98-99 Manton and <br /> digested; lead coprecipi- Cook 1984 <br /> tated by addition of Ba(NO3)21 <br /> followed by electrodeposition on <br /> platinum wire <br /> Blood and Digest sample with HNO3/ ICP-AES (Method 0.01 µg/g 113 NIOSH 1985a °f <br /> D <br /> tissue HCl04fH2SO4; heat P&CAM 8005) (blood) <br /> 0.2 µg/g <br /> (tissue) 0 ro <br /> a $ <br /> r <br /> Urine Extract sample with polydithio- ICP-AES (Method 0.005 µg/mL 100 NIOSH 1984 <br /> carbamate resine and NaOH; P&CAM 8310) <br /> 0 <br /> filter on cellulose ester N <br /> membrane; neutralize with NaOH; <br /> ash; dissolve and heat; dilute <br /> with distilled water <br /> Serum blood, Filter sample if needed; blood ICP-AES 10-50 ug/L 85 (serum) Que Hee and <br /> and urine requires digestion in a Paar >80 (urine, Boyle 1988 <br /> bomb; dilute serum or urine blood) <br /> with acid or water <br /> Urine Sample wet ashed with acid ASV with mercury- 4 µg/L 90-110 NIOSH 1977e <br /> mixture and dissolved in dilute graphite electrode <br /> HC1O4 (Method <br /> P&CAM 200) <br />