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29 CFR Ch. XVII 7 1 16 Edition Occupational Safety and

It is prohibited to use NARA's official seal and the stylized Code of Federal Regulations logo on any republication of this material without the e, written permission of the Archivist of the United States or the Archivist's designee.

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Title 29 Subtitle B Chapter XVII Part 1915 Electronic Code of Federal Regulations e CFR. This part does not apply to matters under the control of the United States Coast Guard within the scope of Title 52 of the Revised Statutes and acts supplementary or amendatory thereto 46 U.S.C. secs. 1 1388 passim including, but not

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and ERA United States Environmental Protection Agency Office of Research and Development Washington, DC 20460 EPA/600/4 88/039 December 1988 Revised July 1991 Methods for the Determination of Organic Compounds in Drinking Water II

40 CFR 136.7 Quality assurance and quality control.

6 Selected Analytical Methods Approved and Cited by the United States Environmental Protection Agency, Supplement to the 15th Edition of Standard Methods for the Examination of Water and Wastewater. 1981. American Public Health Association APHA .

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1 In ports or places in the United States or its territories and possessions, the inspection shall be made by a Marine Chemist certificated by the National Fire Protection Association; however, if the services of such certified Marine Chemists are not reasonably available, the Officer in Charge, Marine Inspection, upon the recommendation of

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In instances where the effective date is beyond the cut off date for the Code a note has been inserted to reflect the future effective date. In those instances where a regulation published in the Federal Register states a date certain for expiration, an appropriate note will be inserted following the text. OMB CONTROL NUMBERS

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A matrix spike is used to document the bias of a method in a given sample matrix. Intralaboratory split samples spiked with identical concentrations of target analyte s . The spiking occurs prior to sample preparation and analysis. They are used to document the precision and bias of

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The British Asbestos Research Council recommended filter membrane counting in 1969. In July 1969, the Bureau of Occupational Safety and Health published a filter membrane method for counting asbestos fibers in the United States. This method was refined by NIOSH and published as P and CAM 239.

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As a result, the odds are substantial that a chocolate bar bought in the United States is the product of child labor. About two thirds of the worlds cocoa supply comes from West Africa where, according to a 2015 U.S. Labor Department report, more than 2 million children were engaged in dangerous labor in cocoa growing regions.

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specifications NIOSH certification mouth muffle The United States