VERTEX uses cookies to make our website work properly and to provide the most relevant content and services to our clients and site visitors.

Gerlach.John-web image

US: 888.298.5162

Global: +1.781.952.6000


New York

John Gerlach NYPG


Mr. Gerlach, Director of Environmental Sciences, is a New York State-licensed Professional Geologist and Certified Wetland Delineator, with 35 years of environmental consulting experience, including over 26 years with LKB. Mr. Gerlach oversees environmental science and hydrogeologic projects performed by LKB’s Environmental Services Department, as well as assists LKB’s other engineering departments with the environmental aspects of their civil, electrical and infrastructure improvement projects. He is an expert in the field of environmental assessment, monitoring and remediation, and is experienced in collection, analysis, and assessment of environmental data in accordance with local, state, and federal requirements. He is also adept in specialized data gathering/interpretation techniques such as EQuIS, computer modeling of air-quality and noise impacts, geophysical surveying, laboratory testing, and analysis of environmental data.

Education & Certification

Certified Wetland Delineator (Rutgers)
OSHA 10-Hour Construction Safety
OSHA Supervisor
29 CFR 1910.120 – HAZWOPER
29 CFR 1910.146 – Confined Space
EQuIS Power User
Professional Ethics/Data Integrity Training

Expert Witness Services