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LEAD by Flamg ,PA3 Method Taal7082.Jssue 2. daTeed lb Auoust 1904 - Paue 4 of 7 Artalvtloal Recov V. 96 Pb metal HNO, only 92t4 Pb metal HNO. + Halle 103 * 3 Pb0 HNO, only 93±4 93±6 PbO2 HNO3 only 82s3 PbOa HNO, ; H Oa 100±1 Pb In paint' 1N0, only 95th Pb In paint• HNO5 t Mips •Stencerd Reference Material 91579. U.S. Natlonaf lnatkft of Standards and Technology. Additional collection efficiency studies were also done using Getman QN-4 filters for the collection of Pb toms, which had geometric meat diameter of 0.1 uM [2j. Mean collection efllclency for 24 sampling runs at flow rates between 0.16 and 4.0 florin we 97±2%. Overall predsion,kr, was 0.072 for lead nitrate sert?aol (1,91 and 0.066 for Pb fume X2,4].

REFERENCES: (11 boeumentatianofthe IViOSH ValkladonTeats. U.S. DepartmentofHealth, Edicntlon, and Welfare, Pubi. (N]OSF1) 77-185(1977). [9) Heavy Metal Aerusoia: Collection and Dissolution Effidenclee, Final Repoli of NIOSH Contract 210-79.'0058,W. F. GuItknecht, M. H. Rends, P. M. Grohse, A. Demle, and D. O'Neal, Research Triangle Irtetialte; available as Order No. PB 83-106740 from NTIS, Springfield, VA 22181 (1081). [3] NIOSH Manuel of Analytical Methods, 2nd ad.. V. 5, P&CAM 173, U.S. Department of Health, Education, and Welfare, Publ, (NIOSH] 77-t67-A (1979). I4] NIOSH Manuel of Analytical Methods, 2nd ad., V.7, 5341 (revised 3128191). U.S. Department of Health and Human Services. Publ. (NiOSH) 82-100 (1982). [8) NIOSH Manual of Malytloal Methods, 2nd, sd., V. 1. P&CAM 102, U.S. Dapartm®M of Health, Education, Ind Welfare, Pub]. (NIOSH) TT-157.A (1977). (6] Crltertstbra Recentm nciadStondard;..0coupsbonart xposuvcto Inorganic Lead (Revised Criteria), U.S. Department of Health, Education, and Welfare, Publ, (NiOSH) 78-168 (197e). [7] NIOSH Manual of Analytical Methods, 2nd ad., P&CAM 191. [83 Analdcol Methods for Atomic Absorption 9peebcehofontetry, Perkin-Elmer (1978). [e] NIO H Manual of Analytical Methods, 2nd ad., V.3, 5341. U.S. Department of Health, Education,

11 and Welfare, Publ. (NIOSH) 77-167.0 (1977). 10 DeteChem Laboratories ln-hopes procedu a far microwave sample digestion. 1 TeOtMsthoda for Evaluating Solid Wasto, PhysleaaVChernical Methods. 3rd Ed; U.S. Protection Agency, Office of Solid Waste and Emergency Response. U.S. Environmental Office: Washington. DC. SW446 (1986). Government Printing [121 Kingston, H.M. and L.B. Jessie, 'Safety Guidelines for Systems in the Analytical Labora- tory." Introduction to Microwave Acid Decomposition:Microwave II'1e0ry and Practice; Jessie, L.B., Ede„ AGs Protesslonaf Reference Book Kingston, H.M. and Washington. DC, (1989). Series; American Chemical Society: [137 1988 Annual Soak Of ASTM Standards, Vol. 11.01: 'Standard A6TM, Philadelphia, PA, D1193— 17(1965), Specification for Reagent Water; I 1 Introduetlonto Microwave Sample Preparation: Theory and practice; Kingston, H.M. and Jessie. L.B., Eds.: ACS Profesabnal Reference gook Series. Anerigen (1988). Chemical Society: Weshingtaa bC 1161 Kingston. H,M. EPA lac $OW1.30326441.a January 1 Marsh 31, (76) BtnI cic, DA., Yes r. WM.. Grohss, P.M. and Gesidll. A. Validation 4988, Quarterly Report. Blemente In Solid Waste by MkTmsve Digestion, Research ova Method for Detetrnlnlnp Draft, RTI Project Number 321U•3579-24 Triangle Institute Technical Report EnvIi rnn.ntal Protactin Agency. Weshiragton,prepared for die Office of Solid Waste, U.S. DC 20460 (November, 1989).

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NI0SH Msmu.i QA %1-thed• (NP.w, ), Fourth Edbn

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