This study identified differences in the epidemiology of Giardia and Cryptosporidium infection for low-income populations residing on the United States-Mexico border. Participation included 77 households in three communities lacking adequate municipal water and sewage services. The household was the unit of analysis and sampling was from household biosolid waste from newly installed composting ...

Four experimental plots located in Granada (Spain) were used to investigate the potential movement of the insecticide methidathion during three treatments in a period of three years. To increase pesticide soil retention a municipal biosolid and the cationic surfactant, tetradecyl trimethyl ammonium bromide (TDTMA), were used as soil amendments. The presence of the insecticide was monitored in s...

Many soils of the Mediterranean region with a semiarid climate are subjected to progressive degradation as a result of water erosion. Biosolids and municipal solid wastes (MSW) were surface-applied once at three rates (40, 80, and 120 Mg ha(-1)) to different plots in a degraded semiarid ecosystem. The study was conducted to determine the effects of such applications on soil chemical properties ...

Autochthonous hepatitis E virus (HEV) strains have been described infecting populations of industrialized countries, previously considered as non-endemic areas. The HEV strains circulating in one of those areas in south-western Europe (Barcelona, Spain) have been studied by analysing amplicons obtained from HEV genomes identified in wastewater, biosolids and sludge. Six sewage and two biosolid ...

Metals are very common contaminants at ‘Superfund’ sites in US, and similarly contaminated sites worldwide. Long-term deposition of metals in soils can lead to accumulation, transport and biotoxicity/zootoxicity caused by mobility and bioavailability of significant fraction of the metals. Because of their immutable nature strict natural remediation processes alone may not be successful in mitig...

Biosolids are the solid by-product of wastewater treatment system. They regularly applied to agricultural land in UK fertilize and increase crop yields, but they have been shown contain high concentrations microplastics. Here we sampled a selection soils Southeast England which had received or never biosolid treatment. Sites were on two occasions summer winter. Microplastic (MP) numbers both tr...

An improved method for determination of Mo by thiocyanate has been standardized by employing thioglycollic acid, instead of currently employed stannous chloride, as reductant of Mo. The method ensures stability of the colored complex in aqueous acidic medium for about 3.5 hours which is otherwise unachievable and the color unstable while using stannous chloride. The method is linear over 0.5 to...

Slaking experiments were conducted of fragipan clods immersed in solutions of poultry manure, aerobically digested biosolid waste (ADB), fluidized bed combustion byproduct (FBC), D-H2O, CaCO3, NaF, Na-hexa-metaphosphate, and ryegrass root biomass. The fragipan clods were sampled from the Btx horizon of an Oxyaquic Fragiudalf in Kentucky. Wet sieving aggregate analysis showed significantly bette...

Pharmaceutical and personal care products (PPCPs) enter soils through reclaimed water irrigation and biosolid land applications. Colloids, such as clays, that are present in soil may interact with PPCPs and thus affect their fate and transport in the subsurface environment. This study addresses the influence of soil colloids on the sorption and transport behaviors of PPCPs through laboratory co...