J.S. Held expands forensic accounting practice with the acquisition of HSNO. View press release.


Kevin Mandemaker

Environmental Scientist / Industrial Hygienist II

516-621-2900 (Work)
631-603-7357 (Work)
50 Jericho Quadrangle, Suite 117
Jericho, NY 11753

Download vCard


Kevin has 5 years of professional experience in industrial hygiene and environmental health and safety consultation.

His expertise includes industrial hygiene, OSHA compliance, NYS DOL compliance, NYC DEP compliance, and EPA compliance for asbestos and lead. He also has extensive experience in air monitoring for asbestos and performing asbestos bulk sampling inspections along with PCB bulk sampling inspections and lead based paint bulk sampling inspections. In his role at J.S. Held, Kevin performs mold inspections and prepares asbestos bulk sampling reports, mold remediation protocols for remediation contractors, as well as performs mold inspections after remediation to verify the work. He has experience in ambient air quality monitoring for silica, dust, and volatile organic compounds (VOC’s) and compliance with the EPA’s National Ambient Air Quality Standards for PM-10 respirable dust and visible emissions.

Kevin has experience in testing for combustion-by-products such as soot, char, and ash. Kevin’s experiences in site health and safety supervision, including the proper use of personal protective equipment and personal hygiene/work practices allows his to accurately and effectively produce quality work products to clientele. Kevin also has the abilities to interpret and analyze laboratory data in order to prepare a detailed report for clients.