Technical Reports for U.S. Environmental Protection Agency
William Battye and Ted Johnson, Development of Microenvironment Factors and Distributions for the HAPEM4 in Support of the National Scale Air Toxics Assessment, prepared for the Office of Air Quality Planning and Standards under Contract No. 68-D-01-076, September 2002.
Kristin Fletcher, Jackie LaPointe, Tom Long, and Ted Johnson, Review of Literature Relating to Microenvironmental Factors, prepared for the Office of Air Quality and Pollutant Standards under Purchase Order No. 8D-2091-NALX, 1998.
ICF Consulting and TRJ Environmental, Inc., Development of Microenvironmental Factors for the HAPEM4 in Support of the National Air Toxics Assessment (NATA), prepared for the Office of Air Quality Planning and Standards under Contract 68-D6-0064, May 8, 2000.
Ted Johnson, Analyses of Selected VOC Data Collected During Three Recent Field Studies that Employed Scripted Activity Methodologies, prepared for the National Exposure Research Laboratory, Office of Research and Development, under Contract 68-D-00-206, June 27, 2003.
Ted Johnson, Development of an Alternative Method for Estimating Ventilation Rate in pNEM/CO and Other Exposure Models, prepared for the Risk and Exposure Assessment Group under Contract 68-D3-0094, December 1997.
Ted Johnson, A Guide to Selected Algorithms, Distributions, and Databases Used in Exposure Models Developed by the Office of Air Quality Planning and Standards, prepared for the Office of Research and Development under STAR Grant CR27033, June 30, 2003.
Ted Johnson, Photochemical Oxidant Mix at Selected Sites in the United States, prepared for Strategies and Air Standards Division under Contract 68-2-2515, December 1977.
Ted Johnson, Recommended Parameter Values for Use in the 2D-RISK Exposure Model, prepared for Risk and Exposure Assessment Group, July 28, 1998.
Ted Johnson, Recommended Sampling Frequency to Determine Compliance with the National Air Quality Standard for Lead, prepared for Monitoring and Data Analysis Division under Contract 68-02-2862, August 1979.
Ted Johnson, Results of Initial Analyses of HON Facility Database (extended technical memorandum), prepared under Contract No. 68-D6-0065, May 30, 2001.
Ted Johnson, Summary of Initial Research Supporting Improved Methods for Estimating Residential Occupancy Periods, prepared for the Office of the Administrator under Contract No. 68-D-01-071, September 30, 2005.
Ted Johnson, A Survey of Factors Influencing Residential Air Quality in Roanoke, Virginia, prepared for the Environmental Monitoring Systems Laboratory under Contract 68-02-4406, April 1990.
Ted Johnson, The Validity of the Weibull Distribution as a Model for the Analysis of Ambient Ozone Data, prepared for Strategies and Air Standards Division under Contract 68-02-2515, July 1978.
Ted Johnson and Jim Capel, Total Risk Integrated Methodology. TRIM ExpoInhalation User’s Document. Volume III: Air Pollutant Exposure Model Criteria Air Pollutants Case Study (Carbon Monoxide Exposures in Los Angeles), prepared for the Office of Air Quality Planning and Standards under Contract No. 68-D01-052, August 2003.
Ted Johnson and Jim Capel, Users Guide: Software for Estimating Ventilation (Respiration) Rates for Use in Dosimetric Models, prepared for National Center for Environmental Assessment under Purchase Order No. 9C-R503-NASA, May 30, 2002.
Ted Johnson and Jim Capel, Population Exposure to Ozone in the Northeast Corridor from May through October, 1979, prepared for Monitoring and Data Analysis Division under Contract 68-02-3374, March 1981.
Ted Johnson and Jim Capel, Estimation of Carbon Monoxide Exposures and Associated Carboxyhemoglobin Levels in Denver Residents Using the 1998 Version of pNEM/CO, prepared for Risk and Exposure Assessment Division under Contract 68-D6-0064, September 1998.
Ted Johnson, Jim Capel, and Mike McCoy, Estimation of Ozone Exposures Experienced by Urban Residents Using a Probabilistic Version of NEM and 1990 Population Data, prepared for the Air Quality Management Division under Contract No. 68-DO-0062, April 1996.
Ted Johnson, Jim Capel, Mike McCoy, and Jill Mozier, Estimation of Ozone Exposures Experienced by Outdoor Workers in Nine Urban Areas Using a Probabilistic Version of NEM, prepared for the Air Quality Management Division under Contract No. 68-DO-30094, April 1996.
Ted Johnson, Jim Capel, Jill Mozier, and Mike McCoy, Estimation of Ozone Exposures Experienced by Outdoor Children in Nine Urban Areas Using a Probabilistic Version of NEM, prepared for the Air Quality Management Division under Contract No. 68-DO-30094, April 1996.
Ted Johnson, Jim Capel, Eduardo Olaguer, and Luke Wijnberg, Estimation of Carbon Monoxide Exposures and Associated Carboxyhemoglobin Levels in Denver Residents Using a Probabilistic Version of NEM, prepared for the Air Quality Management Division under Contract No. 68-DO-0062, 1992.
Ted Johnson, Jim Capel, Eduardo Olaguer, and Luke Wijnberg, Estimation of Ozone Exposures Experienced by Residents of ROMNET Domain Using a Probabilistic Version of NEM, prepared for the Air Quality Management Division under Contract No. 68-D0-0062, August 1992.
Ted Johnson, Jim Capel, Eduardo Olaguer, and Luke Wijnberg, Estimation of Ozone Exposures Experienced by Urban Residents Using a Probabilistic Version of NEM, prepared for the Air Quality Management Division under Contract No. 68-D0-0062, February 1993.
Ted Johnson, Jim Capel, Roy Paul, and Eduardo Olaguer, A Comparison of the Hazardous Air Pollutant Exposure Model (HAPEM) and the Human Exposure Model (HEM), prepared for the Air Quality Management Division under Contract No. 68-D0-0062, September 1991.
Ted Johnson, Jim Capel, Roy Paul, and Luke Wijnberg, Estimation of Carbon Monoxide Exposures and Associated Carboxyhemoglobin Levels in Denver Residents Using a Probabilistic Version of NEM, prepared for the Air Quality Management Division under Contract No. 68-DO-0062, 1992. (See pNEM/CO report by Johnson, Capel, Olaguer, and Wijnberg, 1992 above).
Ted Johnson, J. Capel, and L. Wijnberg, The Incorporation of Serial Correlation into a Version of NEM Applicable to Carbon Monoxide, prepared for the Atmospheric Research and Exposure Assessment Laboratory under Contract 68-02-4406, February 1990.
Ted Johnson, Jim Capel, and Luke Wijnberg, A Method for Adjusting Hourly Average Ozone Data to Simulate Attainment of Proposed Air Quality Standards, prepared for Strategies and Air Standards Division under Contract 68-02-4309, January 1986.
Ted Johnson, Jim Capel, and Luke Wijnberg, Selected Data Analyses Relating to Studies of Personal Carbon Monoxide Exposure in Denver and Washington, D.C., prepared for Environmental Monitoring Systems Laboratory under Contract 68-02-3496, February 1986.
Ted Johnson, Alicia Ferdo, and Jim Capel, Relationships Between Selected Three-Month Air Quality Indicators Used to Predict Ozone Damage to Crops and Woodlands, prepared for Strategies and Air Standards Division under Contract 68-02-4309, June 1986.
Ted Johnson and Gary Mihlan, Estimates of Percentile Statistics for Solvent Loss Ratios, prepared for Emissions Standards Division under Contract 68-D6-0013, October 28, 1998.
Ted Johnson, Gary Mihlan, Jacky LaPointe, and Kris Fletcher, et al. Estimation of Carbon Monoxide Exposures and Associated Carboxyhemoglobin Levels in Residents of Denver and Los Angeles Using pNEM/CO (Version 2.1), prepared for the Risk and Exposure Assessment Division under Contract 68-D6-0064, June 19, 2000.
Ted Johnson, J. Mozier, and J. Capel, Supplement to the "Estimation of Ozone Exposures Experienced by Outdoor Children in Nine Urban Areas Using a Probabilistic Version of NEM (April 1996), prepared for the Risk and Exposure Assessment Group under Contract 68-D-30094, January 1997.
Ted Johnson, M. McCoy, and J. Capel, Enhancements to the Hazardous Air Pollutant Exposure Model (HAPEM) as Applied to Mobile Source Pollutants, prepared for the Atmospheric Research and Exposure Assessment Laboratory under Contract No. 68-DO-0062, September 1993.
Ted Johnson and Roy Paul, Estimation of Daily Lead Uptake in Children and Resulting End-of-Month Blood Lead Levels, prepared for Strategies and Air Standards under Contract 68-02-4309, February 1986.
Ted Johnson and Roy Paul, The NAAQS Exposure Model (NEM) and Its Application to Particulate Matter, prepared for Strategies and Air Standards Division under Contract 68-02-3390, August 1981.
Ted Johnson, Roy Paul, and Jim Capel, Application of the Hazardous Air Pollutant Exposure Model (HAPEM) to Mobile Source Pollutants, prepared for the Office of Mobile Sources under Contract 68-DO-0062, August 1992.
Ted Johnson, Roy Paul, and Jim Capel, National and Regional Trends in Ambient Sulfur Dioxide Concentrations, prepared for Monitoring and Data Analysis Division under Contract 68-02-3374, April 1980.
Ted Johnson, J. Steigerwald, L. Wijnberg, J. Capel, and R. Paul, Analysis of Possible Causes of an Observed Decrease in Particulate Levels from 1981 to 1982, prepared for Monitoring and Data Analysis Division under Contract 68-02-3596, April 1984.
Ted Johnson, J. Warnasch, M. McCoy, J. Capel, and M. Riley, Developmental Research for the Hazardous Air Pollutant Exposure Model (HAPEM) as Applied to Mobile Source Pollutants, prepared for the Human Exposure and Field Research Division under Contract 63-D-30094, February 1996.
Ted Johnson and Mark Weaver, Comparison of Temporal and Spatial Patterns in Ambient Ozone Concentrations Estimated by pNEM/O3 and the Regional Oxidant Model (ROM), prepared for the Risk and Exposure Assessment Group under Contract No. 68-D3-0094, January 1997 (draft).
Ted Johnson and Mark Weaver, Development of an Algorithm for HAPEM-MS Which Can Be Used to Estimate Benzene Concentrations in Residences with Attached Garages, prepared for Atmospheric Research and Exposure Assessment Laboratory under Contract 68-D3-0094, August 1996.
Ted Johnson, Mark Weaver, and Jim Capel, Comparison of Exposure Estimates Obtained from pNEM/O3 with Personal Exposure Measurements Obtained from the Los Angeles Scripted Activity Study, prepared for the Risk and Exposure Assessment Group under Contract No. 68-D3-0094, September 1996.
Ted Johnson, Mark Weaver, and Jim Capel, Development and Demonstration of the Probabilistic Exposure Model for Application to Hazardous Air Pollutants (pHAP), prepared for the Risk and Exposure Assessment Group under Contract No. 68-D3-0094, September 1997.
Ted Johnson and L. Wijnberg, A Model for Simulating Personal Exposure to Carbon Monoxide Which Incorporates Serial Correlation, prepared for the Air Quality Management Division under Contract 68-02-4606, September 1988.
Ted Johnson and Louis Wijnberg, A Statistical Method for Determining Average Air Quality Values by Region and Year, prepared for Monitoring and Data Analysis Division under Contract 68-02-3374, April 1980.
Ted Johnson, Louis Wijnberg, and Jim Capel, An Analysis of the Variability in Human Activity Patterns Simulated by the Hazardous Air Pollutant Exposure Model (HAPEM) as Applied to Mobile Sources, prepared for the Atmospheric Research and Exposure Assessment Laboratory under Contract 68-DO-0062, May 1992.
Ted Johnson, Luke Wijnberg, and Robert Mersch, A Probabilistic Model for Simulating Human Activity Patterns, prepared for the Strategies and Air Standards Division under Contract 68-02-4309, February 1987.
Tom Long and Ted Johnson, Classification of Hazardous Air Pollutants into Groups Likely to Exhibit Similar Microenvironmental Factors, prepared for the Office of Air Quality and Pollutant Standards under Purchase Order No. 8D-2091-NALX, 1999.
Jill Mozier, Descriptions of Diaries Used in Selected Studies that Collected Time/Activityand/or Energy Expenditure Data. Prepared under U.S. Environmental Protection Agency under EPA STAR Grant No. RD-83154101-0, January 14, 2005.
Jill Mozier and Ted Johnson, Evaluation of Existing Approaches for Assessing Non-Inhalation Exposure and Risk with Recommendations for Implementing T.R.I.M., prepared for Risk and Exposure Assessment Group under Contract 68-D-30094, April 1996.
Roy Paul and Ted Johnson, Intercity Comparisons of Monitoring Results for 1978, prepared for Monitoring and Data Analysis Division under Contract 68-02-3862, September 1979.
Roy Paul and Ted Johnson, Modified NAAQS Exposure Model (NEM) Applied to Carbon Monoxide in Two Cities, prepared for Environmental Monitoring Systems Laboratory under Contract No. 68-02-3496, February 1984.
Roy Paul, Ted Johnson, Anne Pope, Alicia Ferdo, and William Biller, National Estimates of Exposure to Ozone Under Alternate National Standards, prepared for Strategies and Air Standards Division under Contract 68-02-4309, December 1986.
Roy Paul, J. Yoder, T. Johnson, and J. Capel, Documentation for the Multicity Activity Data Base, prepared for the Air Quality Management Division under Contract 68-D0-0062, August 1991.
J. H. Raymer, Ted Johnson, G. Akland, L. Mihael, and T. Long. Testing of a Model to Predict Human Exposures to Aldehydes Arising from Mobile and Point Sources. Final Report for Grant No. R826787-01-0. Prepared by RTI International and TRJ Environmental, Inc., for the National Center for Environmental Research, July 9, 2004.
Herschel Slater and Ted Johnson, A Study of Ozone Levels in Relation to Meteorological Factors and Precursor Emissions in the Northeast Corridor During the Summers of 1975, 1976, and 1977, prepared for Monitoring and Data Analysis Division under Contract 68-02-2862, February 1979.
Joseph Steigerwald and Ted Johnson, Using Publicly Reported Air Quality Index Data to Provide Updated Trends Information, prepared for Monitoring and Data Analysis Division under Contract 68-02-4335, February 1987.
Jill Mozier Warnasch, Overview and Key Features of the Integrated Spatial Multimedia Compartmental Model (ISMCM) -- An Addendum to Evaluation of Existing Approaches for Assessing Non-Inhalation Exposure and Risk With Recommendations for Implementing T.R.I.M., prepared for the Office of Air Quality Planning and Standards of the USEPA under Contract No. 68-D-30094, April 1997.
Mark Weaver and Ted Johnson, Proposed Methods for Selecting Receptor Points for the Application of the ISC-ST3 Dispersion Model to Urban Areas, prepared for the Emissions, Monitoring, and Analysis Division under Contract 68-D-30001, June 30, 1997.
Luke Wijnberg and Ted Johnson, Application of the Aligned Rank Test to Typical Air Quality Data, prepared for Monitoring and Data Analysis Division under Contract 68-02-3374, March 1981.