1、 Tentative Interim Amendment NFPA 33 Standard for Spray Application Using Flammable or Combustible Materials 2016 Edition Reference: C.2.1 TIA 16-1 (SC 15-8-19 / TIA Log #1179) Note: Text of the TIA was issued and incorporated into the document prior to printing, therefore no separate publication is
2、 necessary. 1. Revise C.2.1 to read as follows: C.2.1 Minimum Explosive Concentration (MEC). Specifications available from the manufacturers of coating powders can be used to establish the MEC. If that specification is not available (or if the system is projected for use with a variety of coating po
3、wders), a figure of 30 g/m3(30 oz/1000 ft3) can be used. This is considered representative of the lowest MEC to be found among common coating powders. (See Table C.2.1.) Issue Date: August 18, 2015 Effective Date: September 7, 2015 (Note: For further information on NFPA Codes and Standards, please see www.nfpa.org/codelist) Copyright 2015 All Rights Reserved NATIONAL FIRE PROTECTION ASSOCIATION
