Webinar: Tuesday, March 25th, 2025

Registration is Closed.

Title: Posillico Wash Plant Recover, Repurpose, Reuse: Sustainable Soil Washing with Posillico Materials

Presented by: Posillico Materials - Albert Kim, PG-1265

Speaker Biography:

Licensed Professional Geologist (New York No.: 001265) and experienced Environmental Professional with 10 + years of experience in subsurface/remedial investigations, chemical data review and analysis, solid waste management, state and federal environmental codes, rules and regulations, and environment, health, and safety (EHS).  Currently serving as Environmental Soil Manager for Posillico Materials and PPark, NJ.  Offers dependability, commitment, excellent communication and interpersonal skills and professional/technical knowledge.  BA Geology (SUNY Geneseo, 2012), MS Environmental Studies (Adelphi University, 2018). 

Abstract for the Talk:

Approximately 50 billion tons of sand are used each year by the construction industry.  The construction industry is the biggest consumer of this natural resource.  Other industries that use sand at great volumes include the fracking industry, the glass industry and the electronics industry.  The demand for sand and gravel products is significantly higher than the amount of sand our resources can sustainably provide.  According to the New York City Department of Design and Construction (NYC DDC), construction and demolition (C&D) waste makes up 25–45% of the solid waste stream in the United States by weight.  In New York City, C&D waste makes up more than 60% of the solid waste stream.  And according to Environmental Research and Education Foundation (EREF), as of 2020,C&D waste is accepted at MSW landfills in 41 states and comprises roughly 12 percent of the landfilled waste stream.  Illegally dumped material is not accounted for.  Because of high tipping fees, high transportation costs and the lack of permitted facilities in close proximity to the work, contaminated material has been dumped in local communities (including Long Island, NY where Posillico is located) posing a danger to public health and groundwater quality.

This presentation will discuss: the theory and process of soil washing, Posillico Material’s Wash Plant Facility, the regulatory hurdles, different Wash Plant processes, Long Island geology, New York State historic fill, the types of material accepted, and the types of products that are produced from the washing process which demonstrates the sustainable value that soil washing produces. 

The ultimate goal is to change the industry and project required specifications to have recycled products to be an option and not just native/virgin material, where applicable.  Based on engineering specifications for projects, the recyclable product the Wash Plant produces is a cheaper and more sustainable option for backfill needs.  Recycled aggregate is a sustainable alternative to virgin material and can be used interchangeably in many applications.  There are engineering, economic, and environmental benefits to using a washed recycled aggregate.

Learning Objectives:

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