Ecological risk assessment of chemicals migrated from a recycled plastic product
Roh, JY; Kim, MH; Kim, WI; Kang, YY; Shin, SK; Kim, JG; Kwon, JH
HERO ID
2215661
Reference Type
Journal Article
Year
2013
Language
English
PMID
| HERO ID | 2215661 |
|---|---|
| In Press | No |
| Year | 2013 |
| Title | Ecological risk assessment of chemicals migrated from a recycled plastic product |
| Authors | Roh, JY; Kim, MH; Kim, WI; Kang, YY; Shin, SK; Kim, JG; Kwon, JH |
| Journal | Environmental Health and Toxicology |
| Volume | 28 |
| Page Numbers | e2013013 |
| Abstract | <strong>OBJECTIVES: </strong>Potential environmental risks caused by chemicals that could be released from a recycled plastic product were assessed using a screening risk assessment procedure for chemicals in recycled products.<br /><br /><strong>METHODS: </strong>Plastic slope protection blocks manufactured from recycled plastics were chosen as model recycled products. Ecological risks caused by four model chemicals -di-(2-ethylhexyl) phthalate (DEHP), diisononyl phthalate (DINP), cadmium (Cd), and lead (Pb)- were assessed. Two exposure models were built for soil below the block and a hypothetic stream receiving runoff water. Based on the predicted no-effect concentrations for the selected chemicals and exposure scenarios, the allowable leaching rates from and the allowable contents in the recycled plastic blocks were also derived.<br /><br /><strong>RESULTS: </strong>Environmental risks posed by slope protection blocks were much higher in the soil compartment than in the hypothetic stream. The allowable concentrations in leachate were 1.0×10(-4), 1.2×10(-5), 9.5×10(-3), and 5.3×10(-3) mg/L for DEHP, DINP, Cd, and Pb, respectively. The allowable contents in the recycled products were 5.2×10(-3), 6.0×10(-4), 5.0×10(-1), and 2.7×10(-1) mg/kg for DEHP, DINP, Cd, and Pb, respectively.<br /><br /><strong>CONCLUSIONS: </strong>A systematic ecological risk assessment approach for slope protection blocks would be useful for regulatory decisions for setting the allowable emission rates of chemical contaminants, although the method needs refinement. |
| Doi | 10.5620/eht.2013.28.e2013013 |
| Pmid | 24303349 |
| Url | http://eaht.org/journal/view.php?doi=10.5620/eht.2013.28.e2013013 |
| Is Certified Translation | No |
| Dupe Override | No |
| Comments | Journal: Environmental health and toxicology ISSN: 2233-6567 |
| Is Public | Yes |
| Language Text | English |
| Keyword | Cadmium; Phthalate esters; Leachate; Recycled plastics |