Chromium slope factor
WebAug 31, 2024 · Taking the natural log of both sides, we obtain a linear relation between lnK and the standard enthalpies and entropies: lnK = − ΔrHo R 1 T + ΔrSo R. which is known … WebFour main parameters are used to determine toxicity weights: RfD, RfC, Oral Slope Factor and Inhalation Unit Risk. RSEI uses the weight-of-evidence determination only to adjust …
Chromium slope factor
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WebChemical Name: CAS Number: Chemical Class: Oral slope factor (mg/kg-d)-1: Inhalation slope factor (mg/kg-d)-1: Inhalation unit risk (mg/m3)-1 WebCalculation of Cancer Slope Factor (CSF) •M and F mouse data modeld •F mice poorly fit by benchmark dose suite of dose‐response models •Based on the POD •Lower 95% CI on the dose corresponding to the 10% tumor response in ... •Chromium in drinking water: sources, metabolism, and cancer risks. ...
WebIncremental lifetime cancer risk is obtained using the Cancer Slope Factor (CSF), which is the risk produced by a lifetime average dose of 1 mgkg -1 BWday -1 and is contaminant specific [ 16]. It was worked out for As, Cd and Pb using respective slope factors of 1.5, 6.3 and 0.0085 (mgkg -1 day -1) -1 in equation 2. (2) WebChromium-hexavalent CAS Number 18540-29-9 Synonym Chromium VI; Cr6; Chrom 6; Hexavalent chromium; Soluble hexavalent chromium compounds Occurrence/Use …
WebTypical gelled-polymer treatments to treat fractured rock consist of injecting in-line-mixed gelant into the reservoir for times usually much longer than the bulk gel time of the gelant. Flow experim WebChromium deficiency is described as the consequence of an insufficient dietary intake of the mineral chromium. Chromium was first proposed as an essential element for …
Slope factors should always be accompanied by the weight-of-evidence classification to indicate the strength of the evidence that the agent is a human carcinogen. Oral slope factors are toxicity values for evaluating the probability of an individual developing cancer from oral exposure to contaminant levels over … See more This receptor spends most, if not all, of the day at home. The activities for this receptor involve typical home making chores (cooking, … See more This receptor is exposed to chemicals in water that are delivered into a residence from sources such as groundwater or surface water. Ingestion of drinking water is an appropriate … See more This is a long-term receptor exposed during the work day who is a full-time employee working on-site and spends most of the workday conducting maintenance activities outdoors. The activities for this … See more This receptor spends most, if not all, of the day at home. The activities for this receptor involve typical home making chores (cooking, cleaning and laundering) as well as outdoor activities. The resident is assumed to be … See more
WebJan 1, 2024 · C S F Where, CSF is the cancer slope factor and is defined as the risk generated by a lifetime average amount of one mg/kg/day of carcinogen chemical and is … chinese food in kirkland waWebIf the risk is to be set at 1 in 1 million, what is the acceptable chronic daily intake for hexavalent chromium, a compound with a low dose cancer risk and a slope factor of 42 kg−d/mg ? 4.20∗10∧7 2.38⋅10∧ −5 4.20⋅10∧ −5 2.38⋅10∧ −8 Previous question chinese food in labellechinese food in ladysmith kznhttp://popstoolkit.com/tools/HHRA/SF_HealthCanada.aspx chinese food in kitty hawk ncWebIn 2008, EPA’s Office of Pesticide Programs identified a cancer slope factor of 0.791 per milligrams hexavalent chromium per kilogram body weight per day (mg/kg-d)-1 based … chinese food in lachineWeb•Slope should increase after the excceedanceof the reduction capacity •Investigated using NTP data for various tissues at various time points •Mouse kidney, liver glandular and … grand lake library presque isle miWebThe slope factor is the result of application of a low-dose extrapolation procedure and is presented as the risk per (mg/kg)/day. The unit risk is the quantitative estimate in terms of either risk per ug/L drinking water or risk per ug/cu.m air breathed. The third form in which risk is presented is a drinking water or air grand lake kitchen oakland california