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Department of

Environmental Health

Photo of  C. Scott Clark, PhD

C. Scott Clark, PhD

Professor Emeritus

  • B.S.: Antioch College
  • M.S.: Johns Hopkins University
  • Ph.D.: Johns Hopkins University

Board Certifications & Licenses
  • Registered Professional Engineer (PE) Ohio Engineers and Surveyors Board, 1970
  • Certified in Comprehensive Practice of Industsrial Hygiene (CIH) American Board of Industrial Hygiene, 1990
Contact Information
  • Department of Environmental Health, Kettering Lab Complex
  • 16 Panzeca Way
  • Cincinnati, Ohio 45267-0056
  • Office 513-290-3446
  • Fax 828-633-2095
  • Email

Peer Reviewed Publications

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Clark C.; Speranskya O.; Brosche' S.; Gonzales H.; Solis D.; Kodeih N.; Roda S.; Lind C. 2015. Total Lead Concentrations in New Decorative Enamel Paints in Lebanon, Paraguay and Russia Environ Res, 138 , 432 - 438

Menrath W.; Zakaria Y.; El-Safty A.; Clark C.; Roda S.; Elsayed E.; Lind C.; Pesce J.; Peng H. 2015. Use of a Field Portable X-Ray Fluorescence Analyzer for Environmental Exposure Assessment of a Neighborhood in Cairo, Egypt Adjacent to the Site of a Former Secondary Lead Smelter Appl Occup Environ Hyg J, 12 , 555 - 563

Clark S.; Menrath W.; Zakaria Y.; El-Safty A.; Roda S.; Lind C.; Elsayed E.; Peng H. 2014. Follow-up on High Lead Concentrations in New Enamel Decorative Paints Available in Egypt Environment and Pollution, 3 1, 33 - 40

Dixon S.; Jacobs D.; Wilson J.; Akoto J.; Nevin R.; Clark C. 2012. Window replacement and residential lea paint hazard control 12 years later Environ Res, 113 , 14 - 20

Viswanath P.; Devegowda D.; Prashant A.; Nayak N.; D'Souza V.; Venkatesh T.; Clark S. 2012. Environmental Lead Levels in a Coastal City of India: The Lead Burden Continues Ind J Med Sci, 66 11-12, 260 -266

Clark S.; Galke W.; Succop P.; Grote J.; McLaine P.; Wilson J.; Dixon S.; Menrath W.; Roda S.; Chen M.; Bornschein R.; Jacobs D. 2011. Effects of HUD-supported Lead Hazard Control Interventions on Children's Blood Lead Environ Res, 111 , 301 - 311

Ewers L.; Clark C.; Peng H.; Roda S.; Menrath W.; Lind C.; Succop P. 2011. Lead Levels in New Residential Paints in Taipei, Taiwan and Comparisons with Those in Mainland China Environ Res, 111 6, 757 - 760

Chuturkova R.; Iossifova Y.; Clark S. 2010. Decrease in Ambient Air Lead Concentrations in Varna, Bulgaria Associated with the Introduction of Unleaded Gasoline Annals Agric Environ Med, 17 , 259 - 261

Clark C.; Succop P.; Menrath W.; Roda S.; Greenberg S.;Buchwald-Gelles M.; Peng H.. 2010. Longevity of the Effectiveness of Interim Soil Lead Hazard Control Measures and Influencing Factors Environ Res, 110 , 526 - 531

Dixon S.; Wilson J.; Kawecki C.; Green R.; Phoenix J.; Galke W.; Clark C.; Breysee J. 2010. Selecting a lead hazard control strategy based on dust lead loading and housing condition 1. methods and results Appl Occup Environ Hyg J, 5 8, 530 - 539

Kumar A.; Clark S. 2009. Lead Loadings in Household Dust in Delhi, India Indoor Air, 19 , 414 - 420

Adebamowo E.; Clark C.; Roda S.; Agbede O.; Sridhar M.; Adebamowo C. 2007. Lead content of dry films of domestic paints currently sold in Nigeria Scoence of Total Environment, 388 , 116 - 120

D'Souza S.; Menezes G.; Clark S.; Thupil V 2006. Health Hazards by Lead Exposure: Evaluation Using ASV and XRF Toxicol and Ind Hlth, 22 , 249

Wilson J.; Pivetz T.; Ashley P.; Jacobs D.; Strauss W.; Menkedick J.; Dixon S.; Tsai H.; Brown V.; Friedman W.; Galke W.; Clark C. 2006. Evaluation of HUD-funded lead hazard control treatments at 6 years post-intervention Environ Res, 102 , 237 - 248

Galke W.; Clark S.;McLaine P.; Bornschein R.; Wilson J.; Succop P.; Roda S.;Breysee J.; Jacobs D.; Grote J.; Menrath W.; Dixon S.; Chen M.; Buncher R. 2005. National Evaluation of the US Department of Housing and Urban Development Lead-Based Paint Hazard Control Grant Program: Study Methods Environ Res, 98 , 315 - 328

Clark C.; Grote J.; Wilson J.; Succop P.; Chen M.; Galke W.; McLaine P. 2004. Occurrence and Determinants of Increases in Blood Lead Levels in Children Shortly After Lead Hazard Control Activities Environ Res, 96 , 196 - 205

Clark S.; Menrath W.; Chen M.; Succop P.; Bornschein R.; Galke W.; Wilson J 2004. The Influence of Exterior Dust and Soil on Interior Dust Lead Levels in Housing Which Had Undergone Lead-Based Paint Hazard Control Appl Occup Environ Hyg J, 1 , 273

Dixon S.; Wilson J.; Succop P.: Chen M.; Galke W.; Menrath W,; Clark C. 2004. Residential Dust Lead Loading Immediately After Intervention in the HUD Lead Hazard Control Grant Program Appl Occup Environ Hyg J, 1 , 716 - 724

Kuruvilla A.; Pillay V.; Thuppil V.; Adhikari P.; Chakrapani M.; Clark C.; D'Souza H.; Menezes G.; Nayak N.; Clark R,; Sinha S. 2004. Portable Lead Analyzer to Locate Sources of Lead Indian J. of Pediatrics, 41 , 495 - 499

Succop P.; Clark C.; Chen M.; Galke W. 2004. Imputation of Data Values That Are Less Than a Detection Limit Appl Occup Environ Hyg J, 1 , 436 - 441

Tohn E.; Dixon S.; Wilson J.; Galke W.; Clark C. 2003. An Evaluation of One-Time Professional Dust Removal in Homes with Deteriorated Lead-Based Paint and Lead Dust Hazards Appl Occup Environ Hyg, 18 , 138 - 143

Clark S.; Chen M.; McLaine P.; Galke W.; Menrath W., Buncher R.; Succop P.; Dixon S. 2002. Presence and Location of Teeth Marks Observed on Painted Surfaces in an Evaluation of the HUD Lead Hazard Control Grant Program Appl Occup Environ Hyg, 17 , 628

Succop P.; Clark S.; Tseng C.; Bornschein R.; Chen M 2001. Evaluation of Public Housing Risk Assessment Data Environ Geochem & Health, 23 , 1

Choe K.; Trunov M.; Grinshpun S.; Willeke K.;Harney J.; Mainelis G.; Bornschein R.; Clark S.; Friedman W. 2000. Particle Settling After Lead-Based Paint Work and Clearance Waiting Period Am Ind Hyg Assoc J, 61 , 798

Galke W.; Clark S.; Wilson J.; Jacobs D.; McClaine P.; Dixon S.; Bornschein R. 2000. Evaluation of the HUD Lead Hazard Control Grant Program: Overall Early Findings Environ Research Section A, 86 , 149

Tohn E.; Dixon S.; Rupp R.; Clark S. 2000. A Pilot Study Examining Changes in Dust Lead Loading on Walls and Ceilings After Lead Hazard Control Interventions Environmental Health Perspectives, 108 , 453

Clark S.; Menrath W.; Chen M.; Roda S.; Succop 1999. Use of a Field Portable X-Ray Fluorescence Analyzer to Determine the Concentration of Lead and Other Metals in Soil Samples Annals Agric Environ Med, 6 , 27

Dixon S.; Tohn E.; Rupp R.; Clark S' 1999. Achieving Dust Lead Clearance Standards After Lead Hazard Control Projects: An Evaluation of the HUD-Recommended Cleaning Procedure and an Abbreviated Procedure Appl Occup Environ Hyg, 14 , 339

Clark S.; Bornschein R.; Pan W.; Menrath W.;Roda S.; Grote J. 1996. The Relationship Between Surface Dust Lead Loading on Carpets and the Blood Lead of Young Children Environ Geochem & Health, 18 , 143

Chang C.; Grinshpun S,; Willeke K.; Macher J.; Donnelly J.;Clark S.; Juozaitis A. 1995. Factors Affecting Microbiological Colony Count Accuracy for Bioaerosol Sampling and Analysis Am. Ind. Hyg. Assn.J., 56 10, 979

Clark S.; Bornschein R.; Pan W.;Menrath W.; Roda S. 1995. An Examination of the Relationship An Examination of the Relationships Between the HUD Floor Lead Loading Clearance Level for Lead-Based Paint Abatement, Surface Dust Lead by a Vacuum Collection Method and Pediatric Blood Level Appl Occup Environ Hyg, 10 2, 107

Salie F.; Scarpino P.; Clark S.; Willeke K. 1995. Laboratory Evaluation of Airborne Microbial Reduction by an Ultraviolet Light Positioned in a Modified Hollow Ceiling Fan Blade Am Ind Hyg Assoc J, 56 10, 987

Ewers L.; Clark S.; Menrath W.; Succop P.; Bornschein R. 1994. Clean-up of Lead in Household Carpet and Floor Dust Am Ind Hyg Assoc J, 55 7, 650

Bohan P.; Hertzberg V.; Burg W.; Clark S. 1991. Airborne Lead and Asbestos-like Fibers in Mechanical Street Cleaner Environments and an Evaluation of Some Contributory Factors Appl Occup Environ Hyg, 6 1, 54

Bornschein R.; Clark S.; Pan W.; Succop P. 1991. Midvale Community Lead Study Cheimical Speciation and Bioavailability, 3 3/4, 149

Clark S.; Bornschein R.; Succop P.; Roda S.; Peace B. 1991. Urban Lead Exposures of Children in Cincinnati, Ohio Chemical Speciation and Bioavailability, 3 3/4, 149

Lemasters .; Zenick H.; Hertzberg V.; Hansen K.; Clark S. 1991. Fertility of Workers Chronically Exposed to Chemically Contaminated Sewer Wastes Reproductive Toxicoloty, 5 , 31

White M.; Glenn S.; Hudnall J.; Rice C.; Clark S. 1991. The effectiveness of ice- and freon-based personal cooling systems during work in fully-encapsulating suits in the heat Am Ind Hyg Assoc J, 52 3, 127 - 135

Bonfiglio J.; Clark C.; Sigell L.; Sublet V.; Rice C.; Radike M.; Hayes K. 1988. Poison Centers: A Resource for Occupational Health Services Vet. Human Toxicol, 30 6, 569

Lemasters G.; Hansen K.; Zenick H.; Meyer C.; Hertzberg V.; Clark S. 1987. Reproductive Assessment of Male Waste Water Workers Toxicologist, 7 , 180

Clark C.; Linnemann C. 1986. The Use of Serum Antibody As a Means to Determine Infections from Exposure to Wastewater and Refuse CRC Critical Reviews, 16 4, 305

Clark S, 1986. Report on Prevention and Control Am. J. Ind. Med, 10 , 267

Clark S. 1986. Comparisons of Organic Dust Exposures in Agricultural Occupations and Waste Processing Industries Am. J. Ind. Med, 10 , 286

Lemasters G.; Zenick H.; Hansen K.; Meyer C.; Hertzberg V.; Clark S. 1986. Application of Various Exposure Models To Assess the Reproductive Effects of Industrial Wastes on Male Workers TheToxicologist, 6 1, 98

Bornschein R.; Hammond P.; Dietrich K.; Succop P.; Kraftt K.; Clark C.; Berger O.; Pearson D.; Que Hee,S. 1985. The Cincinnati Prospective Study of Low Level Lead Exposure and Its Effects on Child Development: Protocol and Status Report Environ Res, 38 , 4

Linnemann C.; Jaffa R.; Gartside P.; Scarpino P.; Clark C. 1984. Risk of Infection Associated with a Wastewater Spray Irrigation System Used for Farming J. Occup. Med., 26 1, 41

Bertucci J.; Abid S.; Lue-Hing C.; Clark C.; Fenters J.; Fannin K. 1983. Confirmed Viruses vs. Unconfirmed Plaques in Sewage J. Environmental Engineering Div of Am Society of Civil Engineers, 109 2, 351

Clark C.; Rylander R.; Larsson L. 1983. Airborne Bacteria, Endotoxin and Fungi in Dust in Poultry and Swine Confinement Buildings Am. Ind. Hyg. Assn.J., 44 7, 537

Clark C.; Cleary E.; Schiff G.; Linnemann C.; Phair J.; Briggs T. 1978. Disease Risks of Occupational Exposure to Sewage- A Review J. Environmental Engineering Div of Am Society of Civil Engineers, April, 375

Clark C.; Judson H. 1975. Analysis of Delinquent Residential Water Account Shut-Offs J. Am. Water Works Assn, May, 264

Zulfacar A.; Clark C 1974. Highway Noise and Acoustical Buffer Zones Transportation Engineering Journal of Ameican Society of Civil Engineering, 100 TE2 , 389

Bertinuson J.; Clark C. 1973. The Contribution to Lead Content of Soils from Urban Housing Interface, 2 1, 6

Clark C. 1966. Oxidation of Coal Mine Pyrite J. San. Eng.Div. Am. Soc. of Civil Engineers, SA 2 April, 127

Linaweaver P.;Clark C. 1964. Costs of Water Transmission J. Am. Water Works Assn, 56 12, 1549

Dixon S.; Wilson J.; Clark C.; Galke W.; Succop P.; Chen M. 12-01-2005. The influence of common area lead hazards and lead hazard control on dust lead loadings in multiunit buildings Journal of Occupational and Environmental Hygiene, 2 12, 659-666

Clark C. 12-01-1987. Potential and actual biological related health risks of wastewater industry employment Journal of the Water Pollution Control Federation, 59 12, 999-1008

Clark C.; Rose J. 12-01-1986. Microbial aspects of wastewater reuse for irrigation Critical Reviews in Environmental Control, 16 3, 231-256

Kirschner D.; Clark C; Que Hee S. 12-01-1985. Method for Detecting the 3-Hydroxymyristic Acid Component of the Endotoxins of Gram-negative Bacteri American Industrial Hygiene Association Journal, 46 12, 741-746

Clark C,: Bjornson H.; Fulton-Schwartz J.; Holland J,; Gartside P. 12-01-1984. Biological health risks associated with the composting of wastewater treatment plant sludge Journal of the Water Pollution Control Federation, 56 12, 1269-1276

Bornschein R.; Clark C.; Hammond P.; Succop P. 12-01-1983. Profiles Of Lead Burdens In Early Childhood. A Longitudinal Study In A High Risk Environment. , , 262-268

Lurker P,;Clark C.; Elia V. 12-01-1982. Atmospheric release of chlorinated organic compounds from the activated sludge process Journal of the Water Pollution Control Federation, 54 12, 1566-1573

Gillespie V.; Clark C.; Bjornson S.; Samuels S.; Holland J. 12-01-1981. A comparison of two-stage and six-stage Andersen impactors for viable aerosols American Industrial Hygiene Association Journal, 42 12, 858-864

Christian R.; Clark C.; Cody T.; Elia V. 12-01-1979. Integrated Use Of Bioassays And Chemical Analyses To Evaluate The Quality Of Reuse Water. Tectonophysics, 3 , 2230-2238

Clark C.; Elia V.; Majeti V. 12-01-1979. Carbon tetrachloride standard [6] Chemical and Engineering News, 57 1, 36-37

Cody T.; Christian R.; Clark C.; Elia V. 12-01-1975. Cell Culture As a Toxicity Bioassay For Potable Reuse Water. , , 408-412

Dixon S.; Wilson J.; Succop P.; Chen M.; Galke W.; Menrath W.; Clark C. 11-01-2004. Residential dust lead loading immediately after intervention in the HUD Lead Hazard Control Grant Program Journal of Occupational and Environmental Hygiene, 1 11, 716-724

Clark C.; Rampal K.; Thuppil V.; Roda S. Succop P.; Menrath W.; Chen C.; Adebamowo E.; Agbede O.; Shridhar M.; Adebamowo C.; Zakaria Y.; El-Safty A.; Shinde R.; Yu J. 10-01-2009. Lead levels in new enamel household paints from Asia, Africa and South America Environmental Research, 109 7, 930-936

Bonfiglio J.; Clark C.; Hayes K.; Millman S.; Rice C.; Siegel E.; Sigell L.; Sublet V. 10-01-1988. An occupational/environmental services training program for poison information specialists. Veterinary and Human Toxicology, 30 5, 474-475

Reece R.; Reed A; Clark C.; Angoff R.; Casey K.; Challop R.; Clark C.; McCabe E.; Reece R.; Reed A. 10-01-1972. Elevated blood lead levels and the in situ analysis of wall paint by x-ray fluorescence. American Journal of Diseases of Children, 124 4, 500-502

Clark C.; Rampal K.; Thuuppil V.;Chen C.; Clark R.; Roda S. 09-01-2006. The lead content of currently available new residential paint in several Asian countries Environmental Research, 102 1, 9-12

Dunovant V.; Clark C.; Que Hee S.;Hertzberg V.; Trapp J. 09-01-1986. Volatile organics in the wastewater airspaces of three wastewater treatment plants Journal of the Water Pollution Control Federation, 58 9, 886-895

Hammond P.; Clark C.; Gartside P.; Michael L.; Berger O.; Walker A. 08-01-1980. Fecal lead excretion in young children as related to sources of lead in their environments International Archives of Occupational and Environmental Health, 46 3, 191-202

Thomson C,; Poppe B,; Clark C.; Rice C,; Linz D. 07-13-1992. Development and implementation of a safety and health program for employees involved with residentia Applied Occupational and Environmental Hygiene, 7 6, 398-404

Dixon S.; Wilson J.; Clark C.; Galke W.; Succop P.; Chen M. 07-01-2005. Effectiveness of lead-hazard control interventions on dust lead loadings: Findings from the evaluati Environmental Research, 98 3, 303-314

Elia, V.;Clark C.; McGinnis K.; Cody, T.;Kinman, R. 07-01-1978. Ozonation in a wastewater reuse system: examination of products formed Journal of the Water Pollution Control Federation, 50 7, 1727-1732

Kuruvilla A.; Pillay V.; Venkatesh T.; Adhikari P.; Chakrapani M.; Clark C.;D'Souza H.; Menezes G.; Nayak N.; Clark R.; Sinha S. 06-01-2004. Portable lead analyzer to locate source of lead Indian Journal of Pediatrics, 71 6, 495-499

Clark C. 06-01-1987. Health Effects Associated With Wastewater Treatment, DisposaL, And Reuse. Journal of the Water Pollution Control Federation, 59 6, 436-440

Clark C. 06-01-1986. Health effects associated with wastewater treatment and disposal Journal of the Water Pollution Control Federation, 58 6, 539-543

Clark C. 06-01-1985. Health effects associated with wastewater treatment and disposal Journal of the Water Pollution Control Federation, 57 6, 566-569

Clark C.; Meyer C.; Gartside P.; Majeti V.; Specker B.; Balistreri W.; Elia V. 05-28-1982. An environmental health survey of drinking water contamination by leachate from a pesticide waste du Archives of Environmental Health, 37 1, 9-18

Clark, S.; Bjornson, A.; Schiff, G.; Phair, J.;Van Meer,G.; Gartsice, P. 05-07-1977. Sewage Worker's Syndrome The Lancet, 309 8019, 1009

Morley J,; Clark C,; Deddens J,; Ashley K.; Roda S. 05-01-1999. Evaluation of a portable X-ray fluorescence instrument for the determination of lead in workplace ai Applied Occupational and Environmental Hygiene, 14 5, 306-316

Lee I,; QueHee S,; Clark C. 05-01-1987. Additivity of Detector Responses of a Portable Direct-Reading 10.2 eV Photoionization Detector and a American Industrial Hygiene Association Journal, 48 5, 437-441

Kincl L,; Bhattacharya A.; Succop P,; Clark C.; 04-17-2002. Postural sway measurements: A potential safety monitoring technique for workers wearing personal pro Applied Occupational and Environmental Hygiene, 17 4, 256-266

Decker D.; Clark C,; Elia V.; Kominsky J.; Trapp J. 04-01-1983. Worker Exposure to Organic Vapors at a Liquid Chemical Waste Incinerator American Industrial Hygiene Association Journal, 44 4, 296-300

Anderson T.; Barrett G.; Clark C.; Elia V.; Majeti V. 04-01-1982. Metal concentrations in tissues of meadow voles from sewage sludge-treated fields Journal of Environmental Quality, 11 2, 272-277

Clark C.; Majeti V. 04-01-1981. Health Risks Of Organics In Land Application Journal of the Environmental Engineering Division, 107 2, 339-358

Clark C.; Cleary E.; Schiff G.; Linneman C.; Phair J.; Briggs, T. 04-01-1976. Disease Risks Of Occupational Exposure To Sewage ASCE J Environ Eng Div, 102 2, 375-388

Blacklow N.; Clark C.; Gartside P.; Linnemann C.; Phair J.; Zeiss C. 03-13-1985. Serologic survey of rotavirus, Norwalk agent and Prototheca wickerhamii in wastewater workers American Journal of Public Health, 75 1, 83-85

Markey A.; Clark C.; Succop P.; Roda S.; 03-01-2008. Determination of the feasibility of using a portable X-Ray Fluorescence (XRF) analyzer in the field Journal of Environmental Health, 70 7, 24-29

Lurker P.: Clark C.; Elia V.; Gartside P.; Kinman R.; 02-01-1983. Worker Exposure to Chlorinated Organic Compounds from the Activated-sludge Wastewater Treatment Proc American Industrial Hygiene Association Journal, 44 2, 109-112

Clark C.; Kumar A.; Mohapatra P.; Rajankar P.; Nycz Z.; Hambartsumyan A.; Astania L.; Roda S.; Lind C.; Menrath W.; Peng H. 01-01-2014. Examination of lead concentrations in new decorative enamel paints in four countries with different histories of activity in lead paint regulation Environmental Research, 132 , 233-243

Clark C.; Thuppil V.; Clark R.; Sinha S.; Menezes G.; D'Souza H.; Nayak N.; Kurvilla A.; Law T.; Dave P.; Shah S. 01-01-2005. Lead in paint and soil in Karnataka and Gujarat, India Journal of Occupational and Environmental Hygiene, 2 1, 38-44

Betemps E.; Buncher C.; Clark C. 01-01-1994. Proportional mortality analysis of wastewater treatment system workers by birthplace with comments o Journal of Occupational Medicine, 36 1, 31-35

Bonfiglio J.; Clark C.; Kline S.; Linz D.; Radike M.; Sigell L.; Sublet V. 01-01-1988. Occupational/environmental protocols designed for use by poison information specialists Veterinary and Human Toxicology, 30 5, 455-458

Brenner K.; Clark C.; Scarpino P. 01-01-1988. Animal viruses, coliphages, and bacteria in aerosols and wastewater at a spray irrigation site Applied and Environmental Microbiology, 54 2, 409-415

Sullivan R.; Linneman C.; Clark C,; Walzer P. 01-01-1987. Seroepidemiologic study of giardiasis patients and high-risk groups in a midwestern city in the Unit American Journal of Public Health, 77 8, 960-963

Barsky J.; Clark C.; Que Hee S.; Trapp J. 01-01-1986. Simultaneous multi-instrumental monitoring of vapors in sewer headspaces by several direct-reading i Environmental Research, 39 2, 307-320

Barsky J.; Clark C.; Que Hee S. 01-01-1985. An Evaluation of the Response of Some Portable, Direct-Reading 10.2 eV and 11.8 eV Photoionization D American Industrial Hygiene Association Journal, 46 1, 9-14

Bornschein R.; Succop P,; Dietrich K,: Clark C.; QueHee S,; Hammond P. 01-01-1985. The influence of social and environmental factors on dust lead, hand lead, and blood lead levels in Environmental Research, 38 1, 108-118

Clark C,; Bornschein R.; Succop P,; QueHee S,; Hammond P.; Peace B. 01-01-1985. Condition and type of housing as an indicator of potential environmental lead exposure and pediatric Environmental Research, 38 1, 46-53

Que Hee S.; Peace B,; Clark C.; Boyle J,; Bornschein R.; Hammond P.; Hee S.; Peace B. 01-01-1985. Evolution of efficient methods to sample lead sources, such as house dust and hand dust, in the home Environmental Research, 38 1, 77-95

Clark C. 01-01-1984. Health effects associated with wastewater treatment and disposal Journal of the Water Pollution Control Federation, 56 6, 625-627

Clark C.; Clark J,; Gartside P,; Linnemann C. 01-01-1984. Enteric parasites in workers occupationally exposed to sewage Journal of Occupational Medicine, 26 4, 273-275

Lurker P,; Clark C.; Elia V.; Gartside P.; Kinman R. 01-01-1984. Aerial organic chemical release from activated sludge Water Research, 18 4, 489-494

Clark C. 01-01-1983. Health effects associated with wastewater treatment and disposal Journal of the Water Pollution Control Federation, 55 6, 679-682

Clark C.; Larsson L.; Rylander R. 01-01-1983. Levels of gram-negative bacteria, Aspergillus fumigatus, dust, and endotoxin at compost plants Applied and Environmental Microbiology, 45 5, 1501-1505

Elia V,; Clark C,; Majeti V,; Gartside P,; MacDonald T,; Richdale N,; Meyer,: Van Meer G,: Hunninen K; 01-01-1983. Hazardous chemical exposure at a municipal wastewater treatment plant Environmental Research, 32 3, 360-371

Sterling D.; Clark S.; Bjornson S. 01-01-1982. The effect of air control systems on the indoor distributions of viable particles Environment International, 8 1-6, 409-414

Clark C.; Cleary E.; Eller P.; Lingg R.; Pesci E. 01-01-1974. Efficiency Evaluation of a Treatment System For The Reuse Of Field Hospital Wastewater. SAE Prepr, 740928,