1. MARK WILLIAM CHEESMAN
7413 Lake Windermere 361-850-9604 (Home)
Corpus Christi, Texas 78413 mjcheesman@aol.com 361-929-6029 (Cell)
SUMMARY
Results oriented HSSE Professional with over 15 years of experience at facility and corporate levels. Expertise in
the areas of environmental, health, and safety compliance; project management; and facility operations. Proven
success providing consulting and employee services in the oil and gas industry including refining, chemicals,
plastics, terminals, and pipelines. Strengths include development and implementation of multi-media compliance
programs as well as permitting, external reporting, internal communications, and agency interactions.
PROFESSIONAL EXPERIENCE
CITGO PETROLEUM CORPORATION - CORPUS CHRISTI, TEXAS 2002 – 2015
Manager of Environmental Affairs
Managed a staff of 7 along with consultants and contractors working on environmental compliance. Made regular
presentations to management and refinery personnel on environmental performance and accomplishments.
Completed and submitted internal and external reports including monthly DMRs, annual emissions, TRI, Green
House Gas, semi-annual remediation project status and corporate performance metrics.
 Proactively obtained permits for new operations, renewals and amendments under the Title V and Texas NSR
air programs and the NPDES water program while minimizing impacts to Refinery operations.
 Implemented the specific requirements of a NSR Consent Decree that included BWON, LDAR, and NSPS
provisions in a cost effective manner using internal resources, and completed reports including semi-annual
status summaries.
 Assessed applicability of various regulations, including BWON; LDAR; QQQ; NSPS Subparts J, Ja, and Kb;
MACT including Refinery, Boilers, and Heaters; and pipelines, and developed compliance programs that
satisfied regulatory requirements that included training, procedures, and tools.
 Working with multiple departments, published to internal and external stakeholders an 8 page annual report
that provided an overview of refinery environmental and safety performance. No other CITGO facility or
corporate published a similar report.
 Participated in multiple Community Groups including the Community Advisory Council and Long Term
Health Committee, reporting on Refinery operations and gained the trust of the members.
 Led environmental compliance and enforcement communication efforts with regulatory agencies including
EPA, TCEQ, Texas GLO, and Texas RRC and developed positive relationships with agency staff.
 Worked with Project Managers as the subject matter expert on environmental requirements resulting in capital
and maintenance projects meeting or exceeding the environmental requirements.
 Participated in and at times led event triggered Root Cause Analysis investigations that identified corrective
actions that when implemented prevented recurrence of the event.
Sr. Environmental Advisor
 Participated actively as the key resource and principle author for a multi-discipline team that designed and
implemented a first ever company-wide, multi-function, integrated management system.
 Established for the first time formal environmental awareness and compliance training for Refinery managers,
supervisors and operators.
 Integrated environmental requirements into management of change (MOC) procedure thus expanding the
procedure from being solely safety driven to also to include consideration of environmental requirements.
 Developed and applied a company-wide qualitative risk analysis procedure thus standardizing risk analysis
across the company.
 Executed a records management system for the environmental department, the first department to do so
within the 3 CITGO refineries and assisted other Refinery departments with the same.

2. MARK WILLIAM CHEESMAN (361) 929-6029
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ERM-SOUTHWEST - CORPUS CHRISTI, TEXAS 2001 – 2002
Sr. Consultant/Project Manager/Associate
Provided for clients multi-media environmental regulatory compliance assessments and recommendations that led
to compliance program development.
 Opened new office in March 2001 with a staff of six and named Associate level partner in October 2001.
 Managed a Benzene NESHAPs Subpart FF (BWON) compliance assessment and program development for a
Refinery; addressing a significant compliance deficiency.
ERM-SOUTHWEST - HOUSTON, TEXAS 1999 – 2001
Sr. Consultant/Project Manager
 Acted as Project Manager for a team that at times exceeded 20 individuals, providing technical support for
criminal defense of a Refinery arising from a Benzene NESHAPs Subpart FF (BWON) compliance action.
 Wrote expert opinion in support of the defense of a civil action against a refinery leading to a negotiated
settlement of the action.
ADDITIONAL EXPERIENCE
MWC LEGAL & ENVIRONMENTAL CONSULTING - HOUSTON, TEXAS
Principal Consultant
 Analyzed Federal and State regulatory compliance requirements and developed guidance for product
terminals.
ECON CONSULTING SERVICES - HOUSTON, TEXAS
Sr. Legal and Regulatory Consultant/Counsel
 Assessed and interpreted environmental regulations.
MERICHEM COMPANY / MERICHEM-SASOL USA LLC -HOUSTON, TEXAS
Environmental Coordinator/Counsel
 Analyzed and interpreted environmental, health and safety laws and regulations. Provided impact summaries
and compliance recommendations.
VISTA CHEMICAL COMPANY - HOUSTON, TEXAS
Senior Chemical Buyer / Senior Logistics Analyst
 Negotiated price and quantity for the purchase of over 500 different products valued at over $40 million for
use by 2 PVC resin plants and 4 PVC compounding plants.
 Coordinated the movement of raw materials to 4 chemical manufacturing plants.
VISTA CHEMICAL COMPANY/ CONOCO CHEMICALS - LAKE CHARLES, LOUISIANA
Process Engineer, Lake Charles VCM Plant
 Provided engineering support to plant operations and maintenance.
EDUCATION
J.D., Emphasis on Environmental and Intellectual Property Law, University of Houston Bates School of Law
M.E., Emphasis on Chemical Engineering, McNeese State University
B.S., Chemical Engineering, Purdue University School of Engineering - Tau Beta Pi, Omega Chi Epsilon
PROFESSIONAL AFFILIATIONS AND AWARDS
State Bar of Texas – No. 00785760
State Bar Environmental and Natural Resources Law Section
Texas Chemical Council - Recognized as 1997 Outstanding Water and Waste Management Committee Member
at April 24, 1998 Spring Meeting
Eagle Scout

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SUPPLEMENTAL INFORMATION ON WORK EXPERIENCE
ERM-SOUTHWEST – HOUSTON AND CORPUS CHRISTI,TEXAS
Legal and Regulatory Compliance Analysis and Interpretation, Project Management
 Assessed SARA Title III, Section 313 Toxic Release Inventory for chemical manufacturer.
 Developed Benzene NESHAPs Subpart FF (BWON) compliance program for a chemical manufacturer.
 Evaluated groundwatertreatment unit operating at a closed creosote wood-treating facility.
Litigation Support
 Assessed NPDES permit required monitoring data for evidence of tampering.
 Participated in a Superfund defense,cost recovery, and settlement allocation action for a major energy company.
MWCLEGAL & ENVIRONMENTAL CONSULTING AND ECONCONSULTING SERVICES
Legal and Regulatory Compliance Analysis and Interpretation
 Analyzed Federal and multi-state underground storage tank regulatory compliance.
 Determined applicability of wetlands regulations for containment systemupgrade.
 Developed compliance monitoring plans required by air permits for terminal operations.
 Drafted bid proposal addendumfor RCRA BIF continuous emission monitoring system.
 Assessed pre-purchase environmental compliance of petroleum products terminals
Litigation Support
 Evaluated claim against Energy Company for environmental indemnification and provided arguments supporting
reduction in claim.
 Provided arguments supporting reduction in claim for environmental indemnification.
MERICHEM COMPANY / MERICHEM-SASOL USALLC
Compliance Recommendations and Projects
 Submitted three amendments to RCRA Part A Permit reflecting facility changes.
 Managed outside contractors on three major projects:
- No-migration petition for on-site Class I disposalwell. Petition was granted within 15 months of
submission to EPA Region VI, a record for time.
- Permit for a second Class I disposal well.
- Permit renewal with amendments for the facility’s existing Class I well.
 Issued internal guidance for:
- Spill and release reporting.
- Management of hazardous waste containers.
- Compliance with RCRA Subpart CC regulations.
 Updated facility SPCC and RCRA Contingency Plan.
 Submitted request to use emission reduction credits to comply with TNRCC VOC regulations.
Legal and Regulatory Analysis and Interpretation and Impact Summaries
 Provided impact analysis on RCRA LDR Phases II, III, and IV and RCRA Subpart CC regulations.
 Updated management regularly on RCRA Definition of Solid Waste regulatory reform, including potential impacts.
 Developed interpretations of Benzene NESHAPs Subpart FF (BWON) regulations which were used in minimizing
required sampling under a TNRCC approved sampling plan.
 Determined applicability of benzene loading regulations.
 Assessed applicability of OSHA Hazwoper regulations.
Advocacy - Direct and Indirect
 Participated in EPA’s Small Business Regulatory Fairness Act (SBREFA) Review Team.
- Created for review RCRA Definition of Solid Waste proposed reform alternatives.
- Submitted detailed evaluation and comments on reform alternatives with emphasis on company impacts.
 Drafted and submitted company comments on:
- Proposed Refinery Listing Rule.
- TNRCC’s 1994 proposed Spill Rules and focused on historical contamination, transportation spills and
notification requirements. Also supported overall industry efforts to ultimately effect change to the rules.
- Drafted and submitted company comments on original Texas Risk Reduction Rules.
 Active Member of TCC Water and Waste Management Committee.

4. MARK WILLIAM CHEESMAN (361) 929-6029
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- Drafted TCC’s comments to TNRCC’s 1994 proposed Spill Rules on historical contamination and
transportation spills. Comments resulted in a re-proposal where these issues were removed.
- Provided input on comments to the TNRCC’s combustion strategy.
 TCC UIC Subcommittee Chairman beginning June 1995.
- Identified and addressed 20 issues not directly addressed by regulations through TNRCC’s technical review
process.
- Strengthened relationships between TNRCC, EPA Region VI and TCC UIC operators by conducting
annual joint meetings.
- Provided pertinent information to industry on issues which could impact UIC operations
 TCC Legislative Review Team member during 1997 Texas Legislature.
 Company representative to CMA UIC Task Group.
- Participated on Education Sub-Committee.
- Budget Chairman beginning June 1996.
 Active member of CMA RCRA Task Group.
 Active member of CMA RCRA Definition of Solid Waste (DSW) Work Group.
- Assisted in drafting proposed Refinery Listing Rule comments.
- Drafted several DSW position papers.
Other
 Actively involved in implementation of CMA Responsible Care® Initiative.
- Served as Responsible Care® Coordinator from June 1996 through December 1997.
- Led and assisted in the development of internal requirements for practice-in-place for all of the
management practices of the six Responsible Care® Codes.
- Led and assisted in the development of action plans for achieving practice-in-place for all of the
Responsible Care® Codes.
- Served as leader of the Responsible Care® Implementation Team.
 Completed original application in 1994 that resulted in successfully obtaining third party environmental liability
insurance for the company’s manufacturing/research facilities.
 Drafted environmental section of company’s rolling five year strategic plan.
 Worked on environmental due diligence associated with formation of joint venture company (Merichem-Sasol USA
LLC).
 MSDS Coordinator.
VISTA CHEMICAL COMPANY
Plant Process Engineer
 Served as Plant Environmental Coordinator and Plant Energy Coordinator
 Provided engineering support for waste water treatment unit.
 Assisted in maintaining compliance with VCM NESHAPs standards.
 Assisted in preparation of RCRA and NPDES permit applications.
Purchasing
 Negotiated contract for supply of plasticizer to PVC Compounding Plants.
 Negotiated tolling agreement for production of specialty plasticizer from Vista produced alcohols.
 Navigated successfully politically sensitive relationship with company that was a supplier as well as a major
customer of Vista Chemical.
 Identified alternate suppliers of major materials required by PVC compounding and resin production plants.
Logistics
 Coordinated systemwide monomer (VCM) inventories for optimum PVC and VCM production and to allow for
VCM sales opportunities.
 Worked with suppliers of kerosene to guarantee adequate availability for production of normal paraffin for supply to
detergent alkylate plants.
 Negotiated rates for spot shipments via barges of raw materials and products.
 Optimized inter-coastal ocean going shipments to minimize shipping costs and product and raw material detergent
alkylate business systeminventories.