Denise L. Yaffe, Ph.D.

Licensed Professional Engineer (PE)

**** ********* ***, **** ***** CA 90808

562-***-****

acxy9t@r.postjobfree.com; acxy9t@r.postjobfree.com

OBJECTIVE: Seeking a senior or principal scientist or engineering leadership / management position.

Professional Engineer with over 20 years of experience in environmental and chemical engineering, environmental compliance, remediation, safety, process improvements, sustainability, quantitative analysis, and project management. Experienced managing and leading Environmental Health & Safety program’s for the transportation, electric utility, and various other industries, including supervising staff and managing program accounts and budgets. Offer strong project management, leadership, planning / development, data analysis & interpretation, technical writing and communication skills. Experienced developing and managing budgets. Experienced providing leadership, direction and motivation to both managers and professional staff, including supervision, evaluation and recruitment.

EDUCATION

Ph.D.

Chemical Engineering,

University of CA, Los Angeles;

June 2001

M.S.

Chemical Engineering,

University of CA, Los Angeles;

June 1997

B. S.

Chemical Engineering,

University of CA, Santa Barbara;

June 1986

B. S.

Chemistry,

University of CA, Santa Barbara;

June 1986

TECHNICAL SKILLS: Knowledge of Environmental Regulations (i.e., Federal EPA / RCRA/CERCLA, California, and air quality (Title V, RECLAIM, CEMS, SCAQMD rules, Greenhouse Gas)), and Cal OSHA safety regulations. Experienced in environmental remediation and cleanup of hazardous waste sites and contaminated property. Experienced with Microsoft Office applications, computer modeling & simulations, predictive analysis and pattern recognition modeling (artificial Neural Networks, statistics, molecular modeling, environmental transport modeling), and using various chemical databases and other commercially available software packages, including TapRooT® (for root cause analysis). Familiar with ISO standards such as 14001 and 9001

LICENSES: Licensed Professional Engineer (PE)

PROFESSIONAL EXPERIENCE

Senior Manager of Environmental Health & Safety Services, M2

Southern California Edison (SCE) – (Rosemead, CA) November 2013 – September 2016

Manager of Environmental, Health and Safety Services for Power Supply & Operational Services (PS&OS), Operational Units (OUs) within SCE that includes Power Production (Generation), Power Procurement, Transportation Services (garages), Supply Management (warehouses), and Corporate Real Estate.

Provided leadership to ensure field locations were in compliance with local, state and federal environmental regulations and permits, including air quality, Title V, Reclaim, storm water, SPCC, hazardous waste management, CalARP (RMP/PSM) and hazardous material business plans.

Developed and implemented environmental program initiatives and strategies to improve SCE’s environmental compliance programs with more sustainable practices that increased efficiency, performance and reliability. For example, developed an Improved Storm Water Management and Flood Preparedness Initiative that was implemented in Q4 of 2015 and Q1 of 2016 (paper was presented at StormCon 2016).

Developed and implemented safety program initiatives and strategies to promote a stronger safety culture, including a safety observation program, close call reporting, risk reduction, hazard awareness training / communications, industrial / office ergonomics, Pause for Safety Program (to increase situational awareness – assess, identify and mitigate hazards) and corrective actions.

For 2015, PS&OS reduced its number of DART injures by 42%, ergonomic related injuries (overexertion) by 67% and strains & sprains injuries by 50% from 2014.

Managed the Environmental Health and Safety Division’s budget including budget development and management of expenditures.

Facilitated and collaborated with management and employees within the Power Supply & Operational Service OUs and across other SCE organizations on the identification and development of new opportunities with safer and more sustainable processes, work practices, and procedures for both office and field environments to reduce the risk of injury, and to increase environmental compliance and performance.

Developed and communicated OU’s Safety and Environmental standards and policies.

Monitored safety and environmental compliance activities; addressed exceptions, deviations and, compliance issues, and reported and mitigated potential issues.

Investigated incidents (safety and environmental compliance), performed root causes analysis, and coordinated the development of mitigation measures to correct at-risk behaviors and causal factors or noncompliance to improve safety / environmental performance.

Managed, supervised and mentored a staff of eleven employees comprised of safety and environmental specialists and project managers, who supported and implemented the safety and environmental compliance program. Assessed performance provided feedback and coached and took disciplinary action if necessary. Hired staff to fill vacancies or when new positions became available.

Interacted with local CUPAs and environmental health agencies, Fire Departments, California Department of Toxic Substances Control, and South Coast Air Quality Management District.

Participated in SCE Corporate Safety & Environmental leadership committees and working groups, as well as various other OU safety committees. Lead the Monthly Safety Meeting.

Communicated safety and environmental performance to senior manager, vice presidents, directors and leaders. Developed short and long term goals to improve performance. Shared and communicated lessons learned, identified opportunities for improvement, and established program priorities.

Follow a facilitative and collaborative leadership style to engage personnel, encourage participation and improve acceptance by all personnel, including management impacted by program requirements.

Senior Manager of Environmental & Reliability Compliance, M2

Southern California Edison – (San Dimas, CA) January 2011– November 2013

Provide leadership and management for Power Production Department’s Environmental and Energy Regulatory Compliance programs, including compliance with NERC reliability and NERC CIP standards. SCEG was the NERC Registered Entity name for Power Production.

SCEG’s Compliance Manager - manage the implementation of SCE’s and SCEG’s NERC Compliance program, monitored compliance activities, handled exceptions, escalated compliance issues and report and mitigated potential issues. Investigated incidents of noncompliance, performed root causes analysis, coordinated the development of mitigation measures for compliance.

Managed the Environmental & Reliability Compliance Division’s budget including budget development and management of expenditures.

Managed and supervised my workforce of ten MPP1 and MPP2 project managers who provided compliance support, awareness training, and subject matter expertise to Power Production Divisions and field locations. They assisted with compliance reporting, documentation, and various other activities, including developing, updating and reviewing Department Orders, procedures, processes and toolkits for NERC and environmental compliance.

Responsible for hiring staff to fill vacancies or when new positions became available.

Ensured all potential violations were investigated, reported and mitigated. Prepared self-reports, data requests, and mitigation plans, and reviewed and packaged mitigation evidence that was submitted. Participated in enforcement related conference calls with WECC, NERC’s enforcement agency, California Department of Toxic Substances Control, and South Coast Air Quality Management District.

WECC 2013 Audit – Lead and managed the preparation of RSAWs, evidence packages, e-binders and pre-audit data requests for the 2013 WECC audit of 693 and 706 NERC Reliability Standards. For the above audit, served as the SME for CIP-003, CIP-004 and CIP-009. (subject matter expert)

Represented Power Production to ensure Corporate EH&S policies and programs were developed and implemented to support the business practices of PPD Divisions and field locations.

Ensured compliance with Hazardous Waste Management Regulations, Stormwater, SPCC, air permits, and Title V air permits, Reclaim, and CEMS.

Provided leadership to PPD’s Monthly and Quarterly Environmental Meetings.

Provided leadership and oversight for compliance with various air permits, storm water plans, SPCC plans, CalARP (Risk Management Plan) and hazardous wastes management.

Manager of Environmental Compliance, MPP2

Southern California Edison – (San Dimas, CA) May 2009 – January 2011

Environmental Compliance Manager for SCE’s Power Production Department. Support Power Production Divisions and field locations with compliance to environmental regulations and permits, including Title V, storm water, SPCC, hazardous material business plans, CalARP. Provide environmental engineering support to PPD Divisions on various other projects.

Provided leadership and conducted monthly environmental meetings with PPD Division personnel on compliance, and development / implementation of more effective best management practices for continuous improvement.

Lead PPD’s Quarterly Environmental meeting on reportable environmental incidents. This meeting and penalty scoring process enables the communication of lessons learned, incentives for implementing preventative measures and identifying more effective “best practices” for avoiding repeat incidents.

Represented Power Production to ensure Corporate EH&S policies and programs were developed and implemented to support the business practices of PPD Divisions and field locations.

Collaborate with Corporate EH&S Divisions on improving environmental plans, permit requirements and other programs and compliance projects that were prepared or developed for PPD divisions and field offices.

Reviewed proposed environmental legislation and bills to assess potential impacts on PPD operations.

Performed a Root Cause Analysis on PPD’s failure to comply with NERC reliability standard PRC-005-1 and Department Order PPDM-018, and PPDM-022 for Protection System Maintenance and Testing for self-certification period of June 10, 2008 to June 19, 2009.

Participated in the investigations of three PPD Divisions for failure to comply with NERC PRC-005-1 and Department Order PPDM-018, and PPDM-022.

Participated in the interview process for hiring two Protection Engineers (MPP2) for compliance to NERC reliability Standards, and one Project Manager (MPP2) for compliance to the NERC CIP (Critical Infrastructure Protection) addressing critical cyber assets.

Senior Engineer

AECOM / Earth Tech – (Long Beach, CA) February 2004 – November 2008

Successfully managed environmental and remediation projects (California Regional Water Quality Control Board, Department of Toxic Substances Control) impacted with chlorinated solvents and petroleum hydrocarbons. Developed and managed budgets for each project. Completed all projects within budget and on schedule, and successful in achieving Closure at an Underground Storage Tank (UST) Site. Prepared work plans, remedial design, and other relevant reports to implement remediation (soil vapor extraction, thermal oxidation and groundwater pump and treatment (granulated activated carbon).

Business Development: Prepared proposals and successfully brought in new business worth approximately $3,000,000.

Provided peer review and technical support for chemical and environmental engineering studies and projects impacted with pesticides (i.e., DDT), chlorinated compounds, DNAPL, dioxin and dioxin-like compounds, heavy metals and other pollutants.

Supported the design and installation of a dual phase extraction system with a flameless thermal oxidizer, GAC polishing unit and in-situ thermal destruction system at a US EPA site.

Prepared various environmental reports including Remedial Action Plans, Remedial Investigations, Feasibility Studies, and Storm water Pollution Prevention Plans, CEQA documents within budget and on schedule.

Performed cost analyses and evaluations of remediation technologies including thermal treatment, and chemical oxidation to treat DNAPL, DDT and chlorinated compounds in the subsurface.

Supported the design and development of water treatment systems using ion exchange, bioreactors, UV oxidation, and various membrane technologies to recover/remove pollutants including perchlorate and arsenic.

Performed South Coast Air Quality Management District Tier II screening risk assessment and air quality emission modeling, Johnson and Ettinger vapor intrusion, and various risk characterization calculations.

Supervised and mentored staff including engineers, geologist and field technicians. Provided leadership, direction and motivation.

Regional Manager of Environmental Control

National Railroad Passenger Corporation - Amtrak (Los Angeles, CA)

December 1999 - 2003

Regional Environmental Manager for Amtrak’s Pacific and Southwest Divisions (Western USA): Responsibilities included compliance, auditing, remediation, sustainability, pollution prevention, property acquisition, construction/demolition, waste management systems, training, and environmental capital projects.

Managed environmental budgets including budget development and management of expenditures and expense forecasting.

Assessed environmental needs and identified opportunities for program improvements in sustainability (pollution prevention / waste minimization), compliance, training, and environmental capital projects for water treatment, spill containment systems for diesel fueling operations and chemical process tanks.

Supervised and mentored a team of Field Environmental Specialists. Provided leadership, direction and motivation.

Prepared design specifications, reviewed design drawings and managed startup, operation and maintenance of wastewater treatment systems including dissolved air floatation (DAF), oil/water separators and filtration systems.

Successfully managed the remediation and site investigations of contaminated sites under Voluntary Cleanup Agreements with State environmental regulatory agency. Managed the cleanup and removal action of underground storage tanks, abandon asbestos containing pipes, and contaminates in soil, and shallow perched water.

Developed and managed multi-million dollar environmental budgets for Capital projects. Responsible for environmental / engineering and administrative tasks, including engineering design, construction oversight, project management, contracts, budgets, and processing invoices.

Developed Training, Policies and Procedures, Standard Operating Procedures and Best Management Practices

West Coast Region representative to the Corporate EMS (Environmental Management System) Steering Committee, Environmental Information System Internet Committee, and Environmental Contractor Selection Committee. Chair Division Environmental Implementation Committee, Co-chair of Amtrak’s recycling committee.

Hazardous Substances Scientist/Engineer

California EPA - Department of Toxic Substances Control (Glendale, CA)

May 1991 – December 1999

Enforced compliance with Federal and State environmental statutes and hazardous waste management regulations at manufacturing and TSD (waste treatment, storage and disposal) facilities. Managed corrective action and cleanup of RCRA permitted facilities. Conducted inspections at TSD facilities, refineries, chemical plants, aerospace and defense contractors, and other industries.

Managed remediation projects for five State Superfund sites and four military installations. Prepared enforcement agreements, review remedial investigation plans and reports, feasibility studies, risk assessments. Managed activities such as removal action, remediation investigation, sampling, monitoring well installations, and design modifications and system enhancements to the soil vapor extraction system for recovering methane gas.

Evaluated treatment technologies. Reviewed and approved engineering design of remediation/treatment systems. Participated in public meetings, inspections, and sampling activities. Reviewed and prepared CEQA documents and environmental impact studies.

Developed and provided pollution prevention and hazardous material training for staff.

Environmental Engineer

Ebasco Environmental (Santa Ana, CA)

June 1990 - May 1991

Developed waste minimization and pollution prevention strategies for NASA and its contractors; performed feasibility studies and developed waste minimization & sustainable technologies including Photographic Waste, CFC’s (Solvents & Refrigerants), Propellants, Metal plating (chrome bearing solutions), Solvents cleaning operations for metal parts and circuit boards, Waste Oils and Machine Shop operations.

Provide technical support for the engineering design and process development of various treatment systems for recovering gallium-arsenic, tin-palladium and copper from spent processing and wastewater streams.

Prepared Air Emissions inventory plans (e.g. AB2588), RCRA waste characterization, hazardous material and waste audits (Rocky Mountain Nuclear Arsenal Facility, Colorado).

Supported engineering design for the construction of remediation systems and managed sub-contractors. Provided technical and engineering support for stabilizing petroleum sludge waste with a lime and sodium hydroxide-based material.

Site Safety Officer (Industrial Hygiene responsibilities: safety plan, training, employee monitoring) for cleanup operations at contaminated sites.

Manufacturing Development Engineer

General Dynamics (Pomona, CA)

July 1986 - June 1990

Principal investigator of advanced chemical process technologies (sustainability - waste minimization, source reduction/elimination of hazardous materials) for electronics including printed circuit boards and surface mount technology, semiconductors and connection technology (e.g. soldering, plating) and metal finishing operations.

Replaced vapor degreasing with trichloroethane by developing and implementing an aqueous system for cleaning metal hardware. Replaced chromium solutions used in metal finishing operations. Evaluated vapor deposition processes for circuit board fabrication and powder coatings for new resin materials and metal surfaces.

Developed alternatives to replace CFC-113 (Freon TES) used for cleaning electronic assemblies. Developed a semi aqueous cleaning process. Evaluated water-soluble and no clean fluxes.

Member of the EPA/DOD/IPC/Industry Phase 3 Task Force to identify alternatives to eliminate CFC-113

Taught a ten-week course on Mathematical Modeling of Dynamic Systems (1988, 1989)

Designed and taught a 10-week course titled, "Introduction to Process Modeling of Dynamic Systems.” The objective of this course was to applying mathematical models to predict how processes respond to environmental changes. Transfer functions were developed to express the dynamic relationship between the input and output of the process model. First order systems were reviewed.

Teaching / Research Assistant

University of California, Los Angeles

1995-2001

DOCTORAL RESEARCH:

Title: A Neural Network Approach for Estimating Physicochemical Properties using Quantitative Structure-Property Relationships (QSPR)

Advisor: Yoram Cohen

My doctoral research focused on the development of neural network (artificial/computational intelligence) based Quantitative Structure Property Relationships (QSPR) for estimating physicochemical properties of organic compounds of environmental, industrial and pharmaceutical interest. QSPR models using back-propagation and fuzzy ARTMAP neural networks have been developed for estimating boiling points, vapor pressure, Henry's Law constants, octanol-water partition coefficients, and aqueous solubility. The application of fuzzy ARTMAP networks has been done in collaboration with the Universitat Rovira I Virgili, Spain. My study with novel fuzzy ARTMAP, self-organizing maps (SOMs), and back-propagation neural networks, along with the use of connectivity indices, and quantum chemical descriptors, resulted in QSPRs of superior accuracy. Applications of my approach for predicting toxicological parameters are currently ongoing in a number of research institutions.

M.S. RESEARCH:

Title: Multimedia Environmental Assessment of Polycyclic Aromatic Hydrocarbons (PAHs), and their Nitro-Polycyclic Aromatic Hydrocarbon Reaction Products Formed in the Atmosphere

Advisor: Yoram Cohen

My M.S. research focused on multimedia environmental modeling (using integrated spatial multimedia compartmental models), risk assessment of and the distribution of air pollutants (aerosols) in a multimedia environment. A comparative analysis of the potential risk imposed by PAHs and their daughter products was carried out for the Los Angeles Basin. The multimedia environmental concentration of selected PAHs and nitro-PAHs was assessed using a spatial-compartmental modeling approach coupled with available monitoring data. Multimedia concentrations were then used to estimate chemical-media-specific mutagenic densities as well as average daily intake from multiple pathways, followed by cancer risk assessment for the known carcinogens among the study chemicals. The analysis revealed that mutagenic densities of the nitro-PAH daughter products can significantly exceed those of the parent PAHs. The California Air Resources Board (ARB), after reviewing the findings of this research, (Yaffe et al. Risk Analysis, 2001 Vol 21, No 2, 275-294), will be developing a new program that addresses the potential environmental impact and risk of daughter products.

AWARDS / ACHIEVEMENTS

1.Computing and Systems Technology Division of American Institute of Chemical Engineers (AIChE). Honorable Mention – Poster Award - Estimation of Diverse Physical Properties of Organic Compounds with a Modified Fuzzy ARTMAP Neural System (Paper 238c), Los Angeles CA, 2000.

2.Southern California Society for Risk Analysis - Poster Award - Neural Networks of Environmental Applications, Los Angeles CA, 2000.

3.Graduate Student Fellowship Award, 1997; Graduate Student Travel Award, 1996; University of CA Toxic Substances Research and Teaching Program.

4.Dean's Fellowship Award, UCLA (Fall 1995, Fall 1996, Fall 1997).

5.Employee of the Quarter - for outstanding achievements in environmental technology (General Dynamics, 1989)

6.Employee Recognition for Excellence - for the development of alternative cleaning systems to eliminate halogenated solvents (General Dynamics, 1989).

PUBLICATIONS (JOURNAL AND PUBLISHED PROCEEDINGS)

1.Yaffe, D., Lakes, J., Akunyili, C. Bick, R. Improved Stormwater Management BMPs and Flood Preparedness for 2016 El Niño Storms. StormCon 2016. Storm Water Education Conference Indianapolis IN, August 22-25, 2016 Proceedings B-23

2.Ueda, E, Yaffe, D, Thiessen, D, and Taylor, T., Portwide Storm Water Pollution Prevention and Dust Control Program. Ports 2007: 30 years of sharing ideas 1977-2007, American Society of Civil Engineers (ASCE) Publication, 2007 238 32

3.Yaffe, D, Cohen, Y., Espinosa, G., Giralt, F. and Arenas, A. Fuzzy ARTMAP based Quantitative Structure-Property Relationship (QSPR) for predicting Henry’s Law Constant

of Organic Compounds J. Chem Inf. Comput Sci, 2003 43 (1) 85-112

4.Yaffe, D, Cohen, Y., Espinosa, G., Giralt, F. and Arenas, A. Fuzzy ARTMAP and Back-Propagation Neural Networks based Quantitative Structure-Property Relationships (QSPRs) for

Octanol-Water Partition Coefficient of Organic Compounds J. Chem Inf. Comput Sci, 2002 42 (2) 162-183

5.Yaffe, D, Cohen, Y., Espinosa, G., Giralt, F. and Arenas, A. A fuzzy ARTMAP based Quantitative-Structure-Property Relationships (QSPRs) for Predicting Aqueous Solubility of Organic Compounds J. Chem Inf. Comput Sci, 2001 41 (5) 1177-1207

6.Yaffe, D; Cohen, Y; Arey, J; Grosovsky, A. Multimedia Analysis of PAHs and Nitro-PAH Daughter Products in the Los Angeles Basin Risk Analysis, 2001 Vol 21, No 2, 275-294

7.Yaffe, D and Y. Cohen, Neural Network Based Temperature Dependent Quantitative Structural Property Relationships (QSPRs) for Predicting Vapor Pressure of Hydrocarbons J. Chem Inf. Comput Sci, 2001 41(2), 463-477

8.Espinosa, G., Yaffe, D., Arenas, A., Cohen, Y. and Giralt, F. A fuzzy ARTMAP based Quantitative-Structure-Property Relationships (QSPRs) for Predicting Physical Properties of Organics Industrial and Engineering Chemistry Research, 2001 40-12-275*-****

9.Yaffe, D., Espinosa, G., Arenas, A., Cohen, Y. and Giralt, F. Neural Network-Based Quantitative Structural Property Relationships (QSPRs) for Predicting Boiling Points of Aliphatic Hydrocarbons J. Chem Inf. Comput Sci 2000 40(3) 859-877

10.Yaffe, D. and Y. Cohen, "Multimedia Risk Assessment of PAHS and Nitro-PAHs", Paper published in proceedings of the 1998 AIChE Topical Conference on Pollution Prevention and Environmental Risk Reduction, AICHE Miami Beach

11.Yaffe, D. and Y. Cohen, "Distribution and exposure of PAHs and Nitro-PAHs products in Los Angeles" Paper published in proceedings of Measurement of Toxic and Related Air Pollutants Conference, US EPA and Air and Waste Management Association, Cary, North Carolina, September 1-3, 1998. 837-848

12.Yaffe, D., "Remediation at the Orange County Steel Salvage Site", 12/92: Paper published in Proceeding of Superfund ' 92 Conference, Hazardous Material Control Resources Institute, Washington D.C.

13.Yaffe, D. and Murdock, L., "Source Reduction: CFC and Chlorinated Solvent Replacement", 2/92: Paper published in Proceedings of South ' 92 Conference, Hazardous Material Control Resources Institute - New Orleans, LA.

PRESENTATIONS

1.Yaffe, D., Lakes, J., SCE Storm Water Management and Flood Preparedness Improvement Initiative., Electric Utility & Environmental Conference, Feb 3-5, 2016, San Diego, CA

2.Yaffe, D., UTCHEM Model Simulations of Various Treatment Technologies for Chlorobenzenes-DDT-DNAPL. Platform presentation at Battelle – Sixth International Conference on Remediation of Cholorinated and Recalcitrant Compounds, May 18-22, 2008, Monterey California

3.Yaffe, D., and Dean, B., Computer Modeling to Design Groundwater Remediation Systems for Chlorinated Hydrocarbons. Battelle – Fifth International Conference on Remediation of Cholorinated and Recalcitrant Compounds, May 22-25, 2006, Monterey California

4.Yaffe, D., Polychlorinated Biphenyls in the Delaware Estuary and Discharge Issues in Developing a TMDL (Total Maximum Daily Load). Southern California Society for Risk Analysis – 15th Annual Meeting, Los Angeles, CA. May 23, 2002

5.Yaffe, D, Cohen, Y., Espinosa, G., Giralt, F. and Arenas, A. Neural Network-based Molecular Models for Estimating Physicochemical Properties for Environmental Analysis. Paper 262d, presented at the 2001 American Institute of Chemical Engineers, AIChE Annual Meeting, Reno, NV November 4-9, 2001

6.Yaffe, D, and Cohen, Y. A. Neural Network-Molecular Descriptor-based Models for Predicting Vapor Pressure of Hydrocarbons. Paper 271a, presented at the 2001 American Institute of Chemical Engineers, AIChE Annual Meeting, Reno, NV November 4-9, 2001

7.Yaffe, D, Cohen, Y., Espinosa, G., Giralt, F. and Arenas, A. (November, 12-17 2000). Estimation of Physicochemical properties for Environmental Multimedia Analysis using Neural Networks . Poster presented at the 2000 American Institute of Chemical Engineers, AIChE Annual Meeting, Los Angeles, CA November 15-20

8.Espinosa, G., Yaffe, D., Arenas, A., Cohen, Y. and Giralt, F. (November, 12-17 2000). Estimation of Diverse Physical Properties of Organic Compounds with a Modified Fuzzy ARTMAP Neural System. Poster presented at the 2000 American Institute of Chemical Engineers, AIChE Annual Meeting, Los Angeles, CA November 15-20

9.Yaffe, D. Neural Networks of Environmental Applications, Southern California Society For Risk Analysis, Los Angeles CA, 2000.

10.Yaffe, D., "Polycyclic Aromatic Hydrocarbons and Nitro-PAH Daughter Products", November 16-20, 97: Proceedings of the SETAC 18th Annual Meeting, San Francisco.

11.Yaffe, D., and Murdock, L., Household Hazardous Waste Awareness, 6/94: National Medical Association, 1994 National Convention, Orlando, Florida.

12.Yaffe, D., "Techniques for Minimizing Photographic Waste", 3/94: Proceedings of the Pacific Recycles Expo / HAZMACON ' 94, San Jose, CA.

13.Yaffe, D., "Alternatives for Eliminating Chlorofluorocarbon Solvents"; "Aqueous Systems for Metal Cleaning Operations"; Waste Minimization Techniques for Photographic Processing", 12/93: Proceedings of the 2nd Annual Director's Symposium, Department of Toxic Substances Control, Sacramento CA 12/93.

14.Yaffe, D., "The Need For and Regulatory Aspects of Laboratory Waste Minimization", 10/93: Proceeding of the 29th Western Regional Meeting of the American Chemical Society, Pacific Conference, Pasadena.

15.Yaffe, D., Alternatives to eliminate the use of Chlorofluorocarbon Solvents, 6/92: Society of Women Engineers 1992 National Convention in Orlando Florida.

INVITED SEMINARS

1.Fuzzy ARTMAP and Back-Propagation Neural Network based Quantitative Structure Property Relationships (QSPRs) for Estimating Physicochemical Properties, 6/9/03, GlaxoSmithKline, PA

2.A. Neural Network-Molecular Descriptor-based Approach for Estimating Physicochemical Properties 2/14/03, University of California, Los Angeles

3.A Neural Network-based QSPR Approach for Estimating Physicochemical Properties, 8/5/02, Ondeo Nalco, Naperville IL

4.Neural Network-based Quantitative Structure Property Relationships for Estimating Physicochemical Properties, 6/24/02, GlaxoSmithKline, PA

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