2019 December


Blackstone digs deeper into technical topics and shares company news.

Recycling News

Analysis of State Recycling Definitions: Environmental Research & Educational Foundation Report

December 30, 2019

The Environmental Research & Education Foundation (EREF) identified and analyzed recycling definitions used by state agencies in an effort to document the various ways recycling may be defined. Definitions for “recycle”, “recycling”, and/or similar terms such as recyclables were identified through a search of state codes. Definitions were identified for 49 of 50 states. A definition was not found for North Dakota. (more…)
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Environmental News

What are PFAS?

December 10, 2019

Per- and polyfluoroalkyl substances (PFAS) are a complex group of over 3,000 man-made fluorinated organic chemicals that have been used worldwide since the 1940s in industry and consumer products such as non-stick cookware, water-repellent clothing, stain resistant fabrics and carpets, cosmetics, firefighting foams, and products that resist grease, water, and oil. (more…)
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