Mr. Coldon has more than 20 years of experience in the environmental consulting industry. His knowledge of fuel related Underground Storage tanks is extensive. He was one of the founders of Partner Engineering and Science, Inc. and is a Registered Environmental Assessor (REA) in the state of California. His company Tank One Environmental has extensive experience in Tank Removals, Site Remediation, including but not limited to sub-surface testing, tank integrity testing, soil, gas, and groundwater assessments in the context of Real Estate transactions, as well as under the supervision of state and federal regulators.