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  Reports and Memos

2017

  • Analysis Memo, PDF (562 kb), Yuzhou Luo. 2017. Modeling pyrethroid uses and conservation practices in agricultural areas of California.
  • Analysis Memo, PDF (529 kb), Troiano, J. 2017. Comparison of USEPA and DPR Modeling Approaches and Validation Procedures to Predict Drinking Water Concentrations of Pesticide Residues for Use in Human Health Risk Assessments.
  • Analysis Memo, PDF (218 kb) Craig, K. 2017. Advanced Processessing of Pesticide Use Reports For Data Analysis Conducted by the Environmental Monitoring Branch’s Air Program
  • Analysis Memo, PDF (318 kb) Luo, Y. 2017. Meteorological data processing for ISCST3 and AERMOD
  • Analysis Memo, PDF (289 kb) Yuzhou Luo. 2017. Modeling bifenthrin outdoor uses in residential areas of California, II. Review of the recent modeling studies by USEPA/EFED, PWG, and CDPR/SWPP.
  • Analysis Memo, PDF (286 kb) Spurlock, F. 2017. Simulated Emission Ratings for Rototill and Soil Capping Applications of Metam Products
  • Analysis Memo, PDF (1.4 mb) Tuli, A. 2017. Air Temperature Distribution inside the enclosure of Air Monitoring Network sites located in Ripon, Salinas, and Shafter.
  • Analysis Memo, PDF (469 kb) Clayton, M. 2017. Potential for Propyzamide Movement to California Ground Water as a Result of Agricultural Use — Model Simulations and Results
  • Analysis Memo, PDF (574 kb) Yuzhou Luo. 2017 Modeling bifenthrin outdoor uses in residential areas of California
  • Analysis Memo, PDF (773 kb) Vidrio, E. and B. Johnson. 2011 (Updated March 2017 by C. Collins). Part 1: ISCST3 Data Preparation from CIMIS Weather Data.

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2016

  • Analysis Memo, PDF (1.4 mb) Brown, C. Correlating Agricultural Use with Ambient Air Concentrations of 1,3-Dichloropropene During the Period of 2011-2014.
  • Analysis Memo, PDF (1.4 mb) Craig, K. and Budahn, A. Correlating Agricultural Use with Ambient Air Concentrations of Methyl Bromide During the Period of 2011- 2014.
  • Analysis Memo, PDF (7.5 mb) Tao, J. Analysis of Agricultural Use and Average Concentrations of 1,3-Dichloropropene in Nine Communities of California in 2006 – 2015, and Calculation of a Use Limit (Township Cap)
  • Analysis Memo, PDF (537 kb) Spurlock, F. Evaluation of Chloropicrin Buffer Zone Credits Under California Use Conditions.
  • Analysis Memo, PDF (129 kb) Johnson, B. Linearity of Chloropicrin Buffer Zone Distances with Flux.
  • Analysis Memo, PDF (1.4 mb) King, K. Correlating Agricultural Use with Ambient Air Concentrations of Chlorthal-Dimethyl During the Period of 2011-2014.
  • Analysis Memo, PDF (2.4 mb) Budahn, A. Correlating Agricultural Use with Ambient Air Concentrations of Chlorpyrifos and Chlorpyrifos-Oxon During the Period of 2011-2014.
  • Analysis Memo, PDF (6.2 mb) Collins, C. Correlating Agricultural Use with Ambient Air Concentrations of Methyl Isothiocyanate during the period of 2011-2014.
  • Analysis Memo, PDF (260 kb) Rick Bergin. Legal Agricultural Use Determination for Alachlor Degradate Detections in California.
  • Analysis Memo, PDF (319 kb) Robert Budd and Yuzhou Luo. 2016. Fipronil Monitoring and Model Scenarios.
    • Addendum, PDF (388 kb) Robert Budd, Yuzhou Luo and Nan Singhasemanon. 2017. Evaluation of Alternative Fipronil Use Scenarios: Modeling Results, Runoff Trials, and Product Efficacy.
  • Analysis Memo, PDF (438 kb) Brown, C. Evaluation of 2014 Use Data for 1,3-Dichloropropene Submitted by Dow Agrosciences

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2015

  • Analysis Memo, PDF (423 kb) Barry, T. Evaluation of the Air Dispersion Modeling Tool SOFEA2.
  • Analysis Memo, PDF (1.5 mb) Brown, C . Correlating Agricultural Use with Ambient Concentrations of the Fumigant Chloropicrin During the Period of 2011-2014.
  • Analysis Memo, PDF (313 kb) Budd, R. Survey of Pesticide Use by Homeowners in Two California Residential Neighborhoods.
  • Analysis Memo, PDF (328 kb) Tao, J. Summary of Indoor Air Monitoring for Sulfuryl Fluoride Structural Fumigations.
  • Analysis Memo, PDF (109 kb) Wang, D. Review of the SeawaveQ Model and Challenges of its Application in California.
  • Analysis Memo, PDF (282 kb) Spurlock, F. Variability in Simulated Chloropicrin and 1,3-dichloropropene Volatilization From High Density Polyethylene and Totally Impermeable Film Tarped Broadcast Applications.
  • Analysis Memo, PDF (386 kb) Rachelanne Vander Werf, Adriana Aldana, Jennifer Teerlink and Robert Budd. Retail Store Survey of Consumer-Use Indoor Pesticide Products, 2014.
  • Analysis Memo, PDF (920 kb) Spurlock, F. Variability in Simulated Chloropicrin and 1,3–dichloropropene Volatilization From Bare Ground Broadcast Applications.
  • Analysis Memo, PDF (640 kb) Tao, J. AERMOD Modeling for Two Air Monitoring Studies of Structural Fumigation With Sulfuryl Fluoride.
  • Analysis Memo, PDF (192 kb) Barry, T. Description of the Method Used to Expand the Chloropicrin Buffer Zone Tables.
  • Analysis Report, PDF (763 kb). Yuzhou Luo and Xin Deng. Methodology for Prioritizing Pesticides for Surface Water Monitoring in Agricultural and Urban Areas III: Watershed-Based Prioritization.
  • Analysis Memo, PDF (288 kb). DaSilva, A. Review of Fipronil Mitigation Strategies for the Protection of Surface Water. (Updated)

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2014

  • Analysis Memo, PDF (253 kb). Clayton, M. Evaluation of Soil Bulk Density and Soil Water Status in Field Study Entitled “Direct Flux Determination of Chloropicrin Emissions From Shank, Bedded, Non-tarped Applications”, Document #0199-0137.
  • Analysis Memo, PDF (94 kb). DaSilva, A. Review of Fipronil Mitigation Strategies for the Protection of Surface Water.
  • Analysis Memo, PDF (441 kb). Johnson, B. Comparison of One-Year Township Monitoring Results From Merced to SOFEA Simulation Results.
  • Analysis Report, PDF (195 kb). Jennifer Teerlink. Pyrethroids in Wastewater: Review of Potential Sources, Occurrence, and Fate.
  • Analysis Memo, PDF (154 kb). Wofford, Pam. Calculations of Use Adjustment Factors for 1,3-Dichloropropene with the Use of Totally Impermeable Film for Strip Shank Applications.
  • Analysis Memo, PDF (96 kb). Rosemary Neal. Evaluation of "2013 Pesticide Use Data of Adjusted Pounds 1,3-Dichloropropene in California", Submitted by Dow Agrosciences on 4/25/14.
  • Analysis Memo, PDF (127 kb). Michael P. Ensminger. Review of Representative Currently Registered Fipronil Product Labels in California.
  • Analysis Memo, PDF (536 kb). Yuzhou Luo, Michael Ensminger, Robert Budd, Xin Deng, and April DaSilva. July 2014. Methodology for Prioritizing Pesticides for Surface Water Monitoring in Agricultural and Urban Areas II: Refined Priority List.
  • Analysis Memo, PDF (185 kb). Spurlock, Frank. Hydrus Estimates of Cumulative 1,3-Dichloropropene and Chloropicrin Emissions from Low Permeability Tarp Strip Applications.
  • Analysis Memo, PDF (109 kb). Johnson, Bruce. How to Calculate the Application Factor for New 1,3-Dichloropropene Application Methods.
  • Analysis Report, PDF (258 kb). Xuyang Zhang and Nan Singhasemanon. Modeling to Determine the Maximum Allowable Leach Rate for Copper-Based Antifouling Products in California Marinas.
  • Analysis Report, PDF (125 kb). Xuyang Zhang. Analysis of Recent Chlorpyrifos Monitoring Data in Two Water Quality Coalitions of the San Joaquin Valley. (Revised January 23, 2014)

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2013

  • Analysis Memo, PDF (66 kb). Johnson, Bruce. Calculation of Use Adjustment Factors for 1,3-Dichloropropene With the Use of Totally Impermeable Film for Broadcast Shank Applications.
  • Analysis Memo, PDF (139 kb). Tao, Jing. Time Series Analysis and Forecasting of Ventura County Nonfumigant Pesticide Volatile Organic Compound Ozone Season Emissions–2013 Update.
  • Analysis Memo, PDF (254 kb). Tao, Jing. Time Series Analysis and Forecasting of Volatile Organic Compound Emissions from Nonfumigant Pesticides Used in San Joaquin Valley during The Ozone Season.
  • Analysis Report, PDF (1.1 mb). Yuzhou Luo, Xin Deng, Robert Budd, Keith Starner, Michael Ensminger 2013. Methodology for Prioritizing Pesticides for Surface Water Monitoring in Agricultural and Urban Areas May 28, 2013.
  • Analysis Report, PDF (385 kb). Robert Budd, Xin Deng, Michael Ensminger, Keith Starner, and Yuzhou Luo. 2013. Method for Prioritizing Urban Pesticides for Monitoring California’s Urban Surface Waters.
  • Analysis Report, PDF (370 kb). KayLynn Newhart. 2013. Summary of New Pesticide Active Ingredient Use Tracking for Field Monitoring in Surface Water from 2005-2010.
  • Analysis Memo, PDF (627 kb). Johnson, B. 2013. Analysis of 1, 3-Dichloropropene Emissions for Field One in the Lost Hills Study Considering High Flux Densities from the Bare Ground near the Tarp Edge.
  • Analysis Memo, PDF (47 kb). Johnson, B. 2013. Correction of Cumulative Volatilization Percentages as Found in [0199-0138].
  • Analysis Memo, PDF (886 kb). Spurlock, F. 2013. Effect of Chloropicrin Application Practices on Cumulative and Maximum Chloropicrin Flux.
  • Analysis Memo, PDF (106 kb). Richardson, K. and M. Clayton. Review of Equipment Used to Sample Soil for Determination of Bulk Density.
  • Analysis Memo, PDF (1.2 mb). Spurlock, F., B. Johnson, and A. Tuli. 2013. Hydrus Simulation of Chloropicrin and 1,3-Dichloropropene Transport and Volatilization in the Lost Hills Fumigation Trials.
  • Analysis Memo, PDF (1.9 mb). Tuli, A. 2013. Evaluation of Solar Panels’ Ability to Charge Battery-Powered Air Sampling Pumps.
  • Analysis Memo, PDF (119 kb). Tao, J. 2013. Time Series Analysis and Forecasting of Ventura County Nonfumigant Pesticide Volatile Organic Compound Ozone Season Emissions – 2012 Update.
  • Analysis Memo, PDF (865 kb). Johnson, B. and F. Spurlock. 2013. Stochastic Evaluation of Back Calculation Procedures for Estimating Flux Using Data from the Lost Hills Study.
  • Analysis Memo, PDF (133 kb). Johnson, B. 2013. Preliminary Look at the Relationship Between Maximum Air Temperature and Maximum 15cm Soil Temperature Based on the California Irrigation Management Information Systems Station Data.

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2012

  • Analysis Memo, PDF (126 kb) Johnson, B. 2012. Reanalysis of Lost Hills Data for Consistency and Error Detection
  • Analysis Memo, PDF (456 kb) Johnson, B. 2012. Details of Hydrus Modeling of Shank Trace Sampling Results
  • Analysis Memo, PDF (143 kb) Aggarwal, V., 2012. Evaluating Analytical Methods for Compliance with the Pesticide Contamination Prevention Act Requirements.
  • Analysis Memo, PDF (243 kb) Neal, R. and F. Spurlock 2012. Reassessment of Nonspatial Fractions in the VOC Inventory.
  • Analysis Report, PDF (362 kb). Zhang, Xuyang, Keith Starner, and Frank Spurlock. 2012. Analysis of Chlorpyrifos Agricultural Use in Regions of Frequent Surface Water Detections in California, USA.
  • Analysis Memo, PDF (943 kb). Johnson, Bruce and Frank Spurlock 2012. A Method for Estimating Near-Field Air Concentrations Following Tarp Cutting for Broadcast Applications

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2011

  • Analysis Memo, PDF (127 kb). Tao, Jing. 2011. Time Series Analysis and Forecasting of Ventura County Nonfumigant Pesticide Volatile Organic Compound Ozone Season Emissions-2011 Update
  • Analysis Report, PDF (348 kb). Starner, Keith and Xuyang Zhang 2011. Analysis of Pesticide Detections in California Surface Waters, 1991-2010: Identification of detections exceeding US EPA Aquatic Life Benchmarks.
  • Analysis Memo, PDF (184 kb). Pepple, Mark. 2011. Procedure For Identifying Pesticides With A Potential To Contaminate Surface Water.
  • Analysis Memo, PDF (76 kb). Johnson, B. 2011. Compilation of Studies Estimating Near Surface Concentrations of 1,3-Dichloropropene or Chloropicrin
  • Analysis Report, PDF (241 kb). Zhang, Xuyang and Keith Starner. 2011. Analysis of Diazinon Agricultural Use in Regions of Frequent Surface Water Detections.
  • Analysis Memo, PDF (632 kb). Vidrio, E. and B. Johnson. 2011. Part 1: Database Creation of ISCST3-ready Files Prepared from CIMIS Meteorological Network Data. (Revised January 2014)
  • Analysis Memo, PDF (678 kb). Johnson, B. and E. Vidrio. 2011. Part 2: Processing CIMIS Meteorological Files to Produce ISCST3-ready Weather Files: Technical Manual. (Revised January 2014)
  • Analysis Memo, PDF (226 kb). Barry, T., Tao, J. 2011. Development of Flux Profiles for New Chloropicrin Application Methods.
  • Analysis Memo, PDF (55 kb). Clayton, M. 2011. Selection of Pesticide Active Ingredients for Future Analytical Method Development and Ground Water Monitoring.
  • Analysis Memo, PDF (34 kb). Johnson, B. 2011. Review of Raven Film Permeability Tests.
  • Analysis Memo, PDF (41 kb). Johnson, B. 2011. Study Requirements for Film Permeability Measurements.
  • Analysis Memo, PDF (85 kb). Vidrio, E. 2011. Detailed Emission Potential Calculations of High Use Pesticide Products Using a Confidential Statement of Formula Based Method.
  • Analysis Memo, PDF (974 kb). Spurlock, F. 2011. Simulation of Three Untarped 1,3-Dichloropropene Flux Studies Using Hydrus.
  • Analysis Memo, PDF (170 kb). Oros, D. and Spurlock, F. 2011. Estimating Pesticide Product Volatile Organic Compound Ozone Reactivity. Part 2: Reactivity-Weighted Emissions.
  • Analysis Memo, PDF (175 kb). Oros, D. and Spurlock, F. 2011. Estimating Pesticide Product Volatile Organic Compound Ozone Reactivity. Part 1: Speciating TGA-Based Volatile Organic Compound Emissions Using Confidential Statements of Formula.

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2010

  • Analysis Memo, PDF (77 kb). Tao, J. 2010. Time Series Analysis and Forecasting of Ventura County Nonfumigant Pesticide Volatile Organic Compound Ozone Season Emissions - 2010 Update.
  • Analysis Report, PDF (247 kb). Osienski, K., E. Lisker, and R. Budd 2010. Surveys of Pesticide Products Sold in Retail Stores in Northern and Southern California, 2010.
  • Analysis Report, PDF (48 kb). Zhang, X. 2010. Detections of Pyrethroid Insecticides in Surface Waters from Urban Areas of California, 1993-2010.
  • Analysis Report, PDF (116 kb). Deng, X. 2010. Summary of the Final Report "Pelagic organism decline (POD): acute and chronic invertebrate and fish toxicity testing in the Sacramento-San Joaquin Delta".
  • Analysis Report, PDF (172 kb). Zhang X. and F. Spurlock. 2010. Comparison of Use and Sales of Group III Pyrethroid Pesticides.
  • Analysis Memo, PDF (4.2 mb). Johnson, B., Barry, T., and Wofford, P. 2010. Workbook for Gaussian Modeling Analysis of Air Concentration Measurements.
  • Analysis Memo, PDF (1.1 mb). Spurlock, F., Bergin, R., Tuli, A., and Johnson, B. 2010. Fumigant Transport Modeling Using Hydrus: 4. Development and Testing of Modifications to Enhance Fumigant Field Simulations.
  • Analysis Memo, PDF (278 kb). Johnson, B. 2010. Documentation for WEATH6A Meteorological Data Processing Program.
  • Analysis Report, PDF (111 kb). Zhang, X. 2010. Potential Impacts of Citrus Pesticide Use on Surface Water.
  • Analysis Report, PDF (112 kb). Luo, Y. 2010. Pesticide Use for Commercial Citrus Production in California, 2005-2008.
  • Analysis Memo, PDF (934 kb). Spurlock, F. 2010. Fumigant Transport Modeling Using Hydrus: 3. Selection, Temperature Dependence and Sensitivity Analysis of Fumigant Physicochemical Properties.
  • Analysis Memo, PDF (34 kb). Barry, T. 2010. Review of the "Generic Verification Protocol for the Verification of Pesticide Spray Drift Reduction Technologies for Row and Field Crops".
  • Analysis Memo, PDF (1 mb). Fan, S., B. Johnson, and R Segawa. 2010. Methodology to Determine Methyl Bromide Use Cap.
  • Analysis Memo, PDF (323 kb). Luo, Y. 2010 Geographic Information System Mapping and Preliminary Data Analysis for Thiobencarb Use in California, 2003-2009.
  • Analysis Memo, PDF (3.4 mb). Johnson, B. 2010. Report on Parlier SOFEA-HEE5CB Simulation.

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2009

  • Analysis Memo, PDF (49 kb). Johnson, B. 2009. Subchronic 1,3-Dichloropropene Air Concentration Estimates.
  • Analysis Memo, PDF (61 kb). Johnson, B. 2009. Calculation of Screening Concentrations for 1,3-Dichloropropene.
  • Analysis Memo, PDF (149 kb). Tao, J. 2009. Time Series Analysis and Forecasting of Ventura County Nonfumigant Pesticide Volatile Organic Compound Ozone Season Emissions - 2009 Update.
  • Analysis Memo, PDF (130 kb). Tuli, A. 2009. Proposed Modifications in HYDRUS (1,2/3D) Software to Enhance Modeling Solute Diffusion and Gaseous Diffusion in Soils.
  • Analysis Report, PDF (5.4 mb). Starner, K. 2009. Spatial and Temporal Analysis of Diazinon Irrigation-Season Use and Monitoring Data.
  • Analysis Memo, PDF (101 kb). Kusler, Jennifer. 2009. Copepods of the San Francisco Estuary: potential effects of environmental toxicants.
  • Analysis Memo, PDF (131 kb). Tao, J. 2009. Analysis of Sampling Intensity for Proposed Air Monitoring Network Based on Pesticide Monitoring Data From Parlier, California.
  • Analysis Memo, PDF (123 kb). Pyatt, E., 2009. Request to Develop Analytical Methods for Azoxystrobin, Chlorothalonil, Dichloran, Iprodione, and Vinclozolin and Significant Degradates in Well Water.
  • Analysis Memo, PDF (54 kb). Spurlock, FC. 2009. Fumigant Transport Modeling Using Hydrus: 2. Comparison of Model Simulations to Analytical Solutions of Fick’s Second Law of Diffusion.
  • Analysis Memo, PDF (333 kb). Spurlock, FC. 2009. Time Series Analysis and Forecasting of Ventura County Nonfumigant Pesticide Volatile Organic Compound Emissions.
  • Analysis Memo, PDF (463 kb). Troiano, J., Clayton, M. 2009. Modification of the Probabilistic Modeling Approach to Predict Well Water Concentrations Used for Assessing the Risk of Ground Water Contamination by Pesticides.
  • Analysis Memo, PDF (54 kb). Johnson, B. and FC Spurlock. 2009. Dominant Soil Types Associated with Fumigant Applications in Ozone Nonattainment Areas.
  • Analysis Memo, PDF (69 kb). Johnson, B. 2009. Preliminary Evaluation of Dow AgroSciences Proposed Update to the California Management Plan: 1,3-Dichloropropene.

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2008

  • Analysis Memo, PDF (71 kb). Starner, K. 2008. Review of the U.S. Environmental Protection Agency Aquatic Life Benchmarks With Monitoring Recommendations.
  • Analysis Memo, PDF (54 kb). Troiano, J., Clayton, M. 2008. Back Calculation to Application Rate using Pesticide Soil Concentration and Estimated Terrestrial Field Dissipation Half-life.
  • Analysis Memo, PDF (2.7 mb). Johnson, B. 2008. Dow Agrosciences-CHAIN2D Review.
  • Analysis Memo, PDF (732 kb). Barry, T. 2008 Development of Sub-Chronic Air Concentration Estimates Associate with Single Fumigant Application.
  • Analysis Memo, PDF (171 kb). Barry, T. 2008 Screening Level Air Concentration Estimates for Worker Health and Safety Exposure Appraisals.
  • Analysis Memo, PDF (225 kb). Dias, J., Clayton, M. 2008. Updated Evaluation of the Ground Water Contamination Potential of the Regulations to Reduce Volatile Organic Compounds by Controlling Field Fumigant Emissions.
  • Analysis Memo, PDF (445 kb). McKinney, M. 2008. Analysis of Anomalously High Emission Potential Values for Certain Spray Oil Products.
  • Analysis Memo, PDF (72 kb).Johnson, B. 2008. Calculation of Eight-Hour Maximum Methyl Isothiocyanate Flux from Dazomet Applications.
  • Analysis Memo, PDF (2.2 mb). Spurlock, F. 2008. Fumigant Transport Modeling Using HYDRUS: Estimation of Soil Hydraulic Parameters Using Pedotransfer Functions.
  • Analysis Memo, PDF (201 kb). Johnson, B. 2008. Calculation of Method Use Fractions for 1,3- Dichloropropene.
  • Analysis Memo, PDF (456 kb). Spurlock, F. 2008. Using Environmental Fate Data to Predict Pesticide Ground Water Contamination Probabilities.

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2007

  • Analysis Memo, PDF (102 kb) Barry, T. 2007. Resolving Sources of Differences in Perfum Methyl Isothiocyanate Buffer Zones Between Bakersfield and Ventura.
  • Analysis Memo, PDF (67 kb). Starner, K. 2007. Assessment of Acute Aquatic Toxicity of Current-Use Pesticides in California, with Monitoring Recommendations.
  • Analysis Memo, PDF (58 kb). Spurlock F. 2007. Reevaluation Data Requirements of Group II Synthetic Pyrethroids.
  • Analysis Memo, PDF (919 kb). Troiano, J., Clayton, M. 2007. Summary of Total Soil Depth and Segment Thickness on Evaporation and Drainage Estimates and on Predicted Bromide Movement for LEACHP Model with Comparison to the PRZM Model.
  • Analysis Memo, PDF (43 kb). Langley, C., 2007. Summary of Analysis of the Relationship between Percentiles of the Whole Field Buffer Zone Distribution and the Maximum Direction Buffer Zone Distribution.
  • Analysis Memo, PDF (237 kb). Barry, T., Johnson, B. 2007. Analysis of the Relationship between Percentiles of the Whole Field Buffer Zone Distribution and the Maximum Direction Buffer Zone Distribution.
  • Analysis Memo, PDF (79 kb). Dias, J., Clayton, M. 2007. Evaluation of the Ground Water Contamination Potential of Proposed Fumigant Use Regulations.
  • Analysis Memo, PDF (197 kb). Roush, T. 2007. Flux Estimation and Emission of Methyl Isothiocyanate Resulting from a Small Plot Application of Dazomet in Watsonville, California.
  • Analysis Memo, PDF (51 kb). Johnson, B. 2007. Simulation of Concentrations and Exposure Associated with Updated Township Caps for Merced County for 1,3-Dichloropropene.
  • Analysis Memo, PDF (184 kb). Barry, T., F. Spurlock, R. Segawa. 2007. Pesticide Volatile Organic Compound Emission Adjustments for Field Conditions and Estimated Volatile Organic Compound Reductions-Initial Estimates.. Appendix 1, PDF (734 kb) Appendix 2 and 3, PDF. (376 kb)
  • Analysis Memo, PDF (108 kb).Johnson, B. 2007. Simulation of Concentrations and Exposure Associated with Dow Agrosciences-Proposed Township Caps for Merced County for 1,3-Dichloropropene .
  • Analysis Memo, PDF (148 kb). Johnson, B. 2007. Simulation of Concentrations and Exposure Associated with Dow Agrosciences-Proposed Township Caps for Ventura County for 1,3-Dichloropropene.
  • Analysis Memo, PDF (162 kb). Barry, T. 2007. Development of Additional Methyl Isothiocyanate Buffer Zones for the Metam Sodium Mitigation Proposal.
  • Analysis Memo, PDF (317 kb). Barry, T., J. Marade. 2007. Air Dispersion Modeling Analysis of Priority Incident 38-MON-05. . Figures 2 to 5, PDF (4.9 mb). Figures 6 to 10, PDF (5.9 mb) Figures 11 to Appendix, PDF. (3.6 mb)

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2006

  • Analysis Memo, PDF (96 kb). Lee, M. 2006. Review of Phase II Report on Methodologies for Deriving Water Quality Criteria: Executive Summary and Chapters 1-3.
  • Analysis Memo, PDF (83 kb). Spurlock, F. 2006. Brief Comparison of Pyrethrin and Synthetic Pyrethroid Fate Characteristics.
  • Analysis Memo, PDF (40 kb). Barry, T. 2006. Alternate Methidathion Application Air Concentration Estimates.
  • Analysis Memo, PDF (407 kb). Wofford, P., B. Johnson. 2006. Dazomet Flux Analysis and Recommendations for Future Study.
  • Analysis Memo, PDF (194 kb). Andrews, C. 2006. Development of Methyl Isothiocyanate Buffer Zones Using the Probabilistic Exposure and Risk Model for Fumigants Version 2 (Perfum2)

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2005

  • Analysis Memo, PDF (167 kb). Spurlock, F. 2005. Summary of Published Synthetic Pyrethroid Monitoring and Bioassay Data for California Urban and Agriculturally-Dominated Waterways.
  • Analysis Memo, PDF (175 kb). Sanders, J. 2005. Background on Copper Antifouling Paint Issues and Evaluation of the Department of Pesticide Regulation’s Options.
  • Analysis Memo, PDF (612 kb). Barry, T. 2005. Estimation of Methyl Isothiocyanate Air Concentrations Associated with Priority Case Number 026-KER-05.
  • Analysis Memo, PDF (51 kb). Newhart, K. 2005. Environmental Monitoring Branch’s Aquatic Pesticide Registration Review.
  • Analysis Memo, PDF (110 kb). Wofford, P. 2005. Flux Estimation Calculated From a Sprinkler Application of Methyl Isothiocyanate.
  • Analysis Memo, PDF (281 kb). Johnson, B., T. Barry. 2005. Estimation of Methyl Bromide Flux For Siemer Studies TC199.1 and F1.1 and Use of Standard Weather Conditions.
  • Analysis Memo, PDF (280 kb). Sanders, J., B. Johnson, T. Barry and R. Segawa. 2005. General Guidance for Conducting Fumigant Field Studies.

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2004

  • Analysis Memo, PDF (2.03 mb). Spurlock, F. 2004. Work Plan for Development of Empirical Surface Water Runoff Index From Field-Measured Infiltration Data.
  • Analysis Memo, PDF (599 kb). Spurlock, F. 2004. Analysis of Recent Chlorpyrifos Use and Surface Water Monitoring Data.
  • Analysis Memo, PDF (34 kb). Troiano, J., and M. Clayton. 2004 Probabilistic Modeling For Risk Assessment of Ground Water Contamination by Pesticides.

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2003

  • Analysis Memo, PDF (315 kb). Spurlock, F. 2003. Guidance for Diazinon Reevaluation Studies.
  • Analysis Memo, PDF (18 kb). Singhasemanon, N. 2003. US Clean Water Act Sec. 303(d): Final List for Registered Pesticides 2002.
  • Analysis Memo, PDF (73 kb). Lee, M. 2003. Process for Responding to the Presence of Pesticides in Surface Water.
  • Analysis Memo, PDF (731 kb). Troiano, J., and J. Marade. 2003. Relationship of Yearly Bromacil Use to Bromacil Detections in Wells Located in Fresno and Tulare Counties of California.

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2002

  • Analysis Memo, PDF (1.0 mb). Guo, L. 2002. Evaluation of Environmental Models for Assessing Surface Water Contamination by Pesticides.
  • Analysis Memo, PDF (182 kb). Gill, S. 2002. Overview of Surface Water Monitoring Alternatives.
  • Analysis Memo, PDF (63 kb). Troiano, J., and C. Nordmark. 2002. Revised 2004. Distribution of Triazine Residues in Wells in Relation to Current and Proposed Maximum Contaminant Levels (MCLs).

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2000

  • Analysis Memo, PDF (470 kb). Guo, L. and F. Spurlock 2000. Recommendation for the Priority Surface Water Monitoring Studies on Selected Pesticides.
  • Analysis Memo, PDF (75 kb). Barry, T. 2000. Peak to mean air concentration estimation for fumigants.
  • Analysis Memo, PDF (723 kb). Segawa, R., B. Johnson, T. Barry. 2000. Summary of Off-Site Air Monitoring for Methyl Bromide Field Fumigations.
  • Analysis Memo, PDF (1.0 mb). Segawa, R., T. Barry, B. Johnson. 2000. Recommendations for Methyl Bromide Buffer Zones for Field Fumigations.

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1999

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1995

  • Analysis Memo, PDF (802 kb). Singhasemanon, N. 1995. Summary of Federal and California Legal Mandates Dealing with Pesticides in Surface Waters.
  • Analysis Memo, PDF (2.0 mb). Spurlock, F. 1995. Determining Sources and Ages of Shallow Ground Waters, with Potential Application to Studies of Pesticide Transport to California Ground Water.

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