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METALWORKING FLUIDS (MWF) ALL CATEGORIES: METHOD 5524, Issue 2, dated 29 December 2014 - Page 10 of 10
Figure 1. Schematic diagram of funnel. May be ordered from Case Custom Environmental Equipment, Erlanger, Kentucky (859-250-8558); www.casecustomenvironmentalequipment.com) or equivalent source. Dimensions are given in inches.
NIOSH Manual of Analytical Methods (NMAM), Fifth Edition