Tag: Soil and Water Sciences Department

Contaminants in the Urban Environment: Bisphenol-A

General Structure of bisphenol-A.

Bisphenol-A (BPA) is a man-made chemical widely used as a component in many products of daily use in households, such as plastic bottles and metallic canned foods. BPA can leach from bottles and cans into  the environment, increasing our exposure to BPA. BPA… Read More

Contaminants in the Urban Environment: Microplastics

Plastic, plastic everywhere! We live in a world where we are surrounded by plastic: from packaging materials and cutlery to plastic appliances and medical devices. Since the mid-twentieth century, plastic has been a boon to humanity and an… Read More

Sand-Clay Mix in Phosphate Mine Reclamation: Characteristics and Land Use

Inlet pipe depositing sand-clay mix

Phosphate rock is a key component in producing fertilizer and many other economically important products.  Getting phosphate rock out of the ground produces a by-produce called phosphate clay, which mining operations must return to the landscape. However, phosphate… Read More

Contaminantes en el Medio Ambiente Urbano: Los Perfluoroalquilos

Figure 2. Ejemplo de fuentes comunes de perfluoro alkilos para el medio ambiente. En dirección de las agujas del reloj: (1) Sartén antiadherente (Teflón) (2) Tela impermeable, (3) espuma extintora de fuego, (4) envoltorios de comida rápida.

Los perfluoroalquilos–los perfluorocarbonos (PFC) o, en inglés, perfluoroalkyl substances (PFASs)–son los productos químicos artificiales más comunes y persistentes en el planeta. Algunos de los productos más comunes que contienen perfluoroalquilos son sartenes de teflón, utensilios de cocina antiadherente,… Read More

Phytophthora Identification and Sampling in Citrus Nurseries

phytophthora id brochure

Phytophthora species are important soil-borne, fungus-like pathogens that attack the root systems, trunk, and fruit of citrus trees at any age. The front of this identification sheet includes images of healthy and infested roots and descriptions of leaf… Read More

Contaminants in the Urban Environment: Dioxins

Figure 1. General structure of dioxins and the most toxic dioxin (TCDD) Credit: Yun-Ya Yang, UF/IFAS

Dioxins are among the most toxic chemicals on the earth. They are by-products of a number of human activities such as combustion of fuels and wastes containing polyvinyl chloride (PVC), chlorine bleaching of paper products, and selected industrial… Read More