Guy Sylvester
Principal, Industrial Hygienist,
Certified Microbial Consultant,
Certified Indoor Environmental Consultant
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Geoff Sylvester
Certified Microbial Investigator

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Dr. Kathleen Feldman
Consultant, Certified Industrial Hygienist

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Cliff Chase
Partner
MIS Director

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Jennifer Guerette
Customer Service Manager
Assistant QA Officer
Safety Coordinator
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