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[28] 1,4-Dioxane was present in ethoxylated raw ingredients at levels up to 1410 ppm (~0.14%wt), and at levels up to 279 ppm (~0.03%wt) in off the shelf cosmetic products. [28] Levels of 1,4-dioxane exceeding 85 ppm (~0.01%wt) in children's shampoos indicate that close monitoring of raw materials and finished products is warranted. [28] While ...
Pittsboro says residents with health conditions should drink bottled water, asks for limited water use so it can limit intake from the Haw River. Pittsboro warns residents that 1,4-dioxane could ...
People wonder about the health risks they face – from driving on Interstate 4, to sun exposure, to consuming alcohol, to eating bacon and more – but drinking tap water usually isn’t one of ...
[1] [58] The daily intake of dioxins and dioxin-like PCBs as TEQ is of the order of 100 pg/day, i.e. 1-2 pg/kg/day. [1] In many countries both the absolute and relative significance of dairy products and meat have decreased due to strict emission controls, and brought about the decrease of total intake.
Material flow analysis (MFA), also referred to as substance flow analysis (SFA), is an analytical method to quantify flows and stocks of materials or substances in a well-defined system. MFA is an important tool to study the bio-physical aspects of human activity on different spatial and temporal scales.
Burlington reported a different 1,4-dioxane release last Sept. 14. Cary had its water tested at the intake four times in the following month, according to records that are available online ...
GIS revolutionized curation, manipulation, and input for complex computational hydrologic models [2] [3] For surface water modeling, digital elevation model are often layered with hydrographic data in order to determine the boundaries of a watershed. [4] Understanding these boundaries is integral to understanding where precipitation runoff will ...
Central Florida’s 1,4-dioxane contamination has caught the attention of Yale University researchers. They want to hear concerns from residents who have been drinking water supplied by public ...