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NIOSH Manual of Analytical Methods (NMAM), Fourth Edition. 5 mL 2-propanol to the filter funnel and allow to stand for 5 min. Apply vacuum and slowly aspirate the acid and alcohol in the funnel, washing with three successive 10-mL portions of distilled water.

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----- A Discussion of Asbestos Detection Techniques for Air and Soil NIOSH developed its own direct-transfer TEM method for analyzing asbestos in air in 1989 (it was later reissued in 1994). This method, NIOSH 7402, was designed to complement NIOSH's PCM method, NIOSH 7400, by validating results obtained from PCM analysis.

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Redox (short for reduction–oxidation reaction) (pronunciation: or) is a chemical reaction in which the oxidation states of atoms are changed. 2954 relations.

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Optional trace position 3. Lead off and artifacts detection 4. Sensitivity detection 5. Drift detection 6. A.C. interference detection From the above, it is clear that the advent of the computer hardware into the ECG machine is already very much into technology, but the retention of the paper records is still considered necessary.

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