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The Natural Arsenical Waters Of La Bourboule

RRP $16.99

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An excerpt from a review in The Dublin Journal of Medical Science,Volume 101, published in 1896.

The rarity of arsenical springs, and their value in the treatment of certain classes of disease, give special interest to this tract. There is, if we remember aright, a mineral water containing arsenic in England, but it has not been utilized for therapeutical purposes. In France several springs-at Mont Dore, La Malou, Vals, Vichy, Plombieres, St. Nectaire-have traces of arsenic in their composition; but the spring of Choussy-Perriere at La Bourboule is an arsenical water. Its characteristic is a high percentage of the sodium arsenate and sodium chloride, with a small amount of iron.

This copious spring-discharging 23,310 litres in the hour-has a constant temperature of 60° C. Its composition per litre, as analysed by MM. Bouis and Lefort in 1878, is as follows:-Sodium arseniate, 0.02847 "(equal to 7 milligrammes of arsenic"); free carbonic acid, 0.0518; sodium chloride, 2.8406; potassium chloride, 0.1623; magnesium chloride, 0.0320; sodium bicarbonate, 2.890; sodium sulphate, 0.2084; "bicarbonate of lime," 0.1905; ferric oxide, 0.021; silicic acid, 0.1200; with traces of lithium chloride, manganese and aluminium.

The water of this spring is carefully bottled for export; but its good effects will be more surely produced on the spot, where internal administration is combined with baths. These are taken at a temperature of 35° C, and, as a general rule, continued for half an hour at a time.

For a list of the diseases likely (or certain) to be benefited by the use of the arsenical water of La Bourboule, we must refer our readers to Dr. Brown's pamphlet. It seems to include most of the diseases to which flesh is heir; and, perhaps, a grain or two of sodium chloride may be taken with the author's sanguine description. The temperature and composition of the water, however, will suggest to the practitioner cases in which the spring may be recommended with prospect of favourable results.


How To Build A Bottled Water Dealer Business

RRP $18.99

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In clear, easy-to-grasp language, the author covers many of the topics that you will need to know in order to launch and run a successful business venture.


Developing Ambient Water Quality Criteria For Mercury

RRP $54.95

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This project examined the development of ambient water quality criteria (AWQC) for the protection of wildlife for mercury. Mercury is considered a serious risk to wildlife in many areas. As a result, the Great Lakes Water Quality Initiative and others have developed AWQC. These AWQC have been controversial, however, because (1) the AWQC were single values that did not account for site-specific conditions; (2) derivation of the AWQC relied on a single NOAEL, and (3) the AWQC had an unknown level of conservatism because of reliance on both average and conservative assumptions and uncertainty factors. Rather than develop a single value AWQC for total mercury, we derive an AWQC model that explicitly incorporates factors controlling bioavailability, methylation rates and bioaccumulation in the aquatic environment (e.g., pH, DOC, sulfate). To derive our AWQC model, field data was collected including numerous water quality parameters and total mercury and methylmercury concentrations in whole body fish tissue from 31 lakes in Ontario and an additional 10 lakes in Nova Scotia. An independent dataset consisting of 51 water bodies in the United States was then used to confirm the validity and robustness of the AWQC model. Next we combined the results of chronic-feeding studies with similar protocols and endpoints, in a meta-analysis to derive a dose-response curve for mink exposed to mercury in the diet. Using this approach, one can derive an LD5 or other similar endpoint that can then be used as the basis for deriving -wildlife AWQC. In the final step, we used a probabilistic risk model to estimate the concentrations of methylmercury in water that would lead to levels in fish sufficient for there to be a 10% probability of exceeding the mink LD5. This analysis was repeated for various combinations of pH and DOC. The result is an AWQC model for mercury for the protection of wildlife that can be used for a variety of site-specific conditions. This publication can also be purchased and downloaded via Pay Per View on Water Intelligence Online - click on the Pay Per View icon below



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Aqua Zero Books

Bottled Water Drink Water Water H2O
Aqua Water Park Diving Underwater
Ocean Cave Diving Waterproof Water Park
Swimming Pool Softened Water Water Air Harvesting Water

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