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Volunteers for the following working groups of Useful Methods (UMs) are needed.

All Working Groups of UMs require a minimum of 3 TAPPI members from 3 different companies in order to review a UM. The following UMs do not have an assigned Working Group Chair (WGC) to initiate the review:

UM 3 Determination of useful fiber in bagasse
UM 23 Bulk density of wood chips
UM 205 Dirt in pulp (measured by transmitted light)
UM 213 Repulpability of splices/splicing tape
UM 221 Laboratory processing of pulp (plate refiner)
UM 240 Shive content of mechanical pulp (laboratory flat screen)
UM 242 Shive content of mechanical pulp (Somerville fractionator)
UM 251 Permanganate number of pulp
UM 253 Laboratory processing of pulp (ball or pebble-mill method)
UM 258 Laboratory processing of pulp (Kollergang method)
UM 554 Polystyrene in paper products
UM 555 Testing of grease-repellant treated paper
UM 579 Water repellence of paper and boards

Working Group Members Needed:

UM 3     Determination of useful fiber in bagasse
UM 23   Bulk density of wood chips
UM 203 Freeness of pulp (Williams tester)
UM 205 Dirt in pulp (measured by transmitted light)
UM 213 Repulpability of splices/splicing tape
UM 221 Laboratory processing of pulp (plate refiner)
UM 240 Shive content of mechanical pulp (laboratory flat screen)
UM 242 Shive content of mechanical pulp (Somerville fractionator)
UM 253 Laboratory processing of pulp (ball or pebble-mill method)
UM 258 Laboratory processing of pulp (Kollergang method)
UM 542 Amount of coating on mineral-coated paper
UM 566 Wetting shipping sack paper for testing
UM 573 Water vapor permeability of sheet materials at -18C (0F)
UM 579 Water repellence of paper and boards
UM 590 Creasing (using steel rules) of paperboard for water vapor transmission (WVTR) testing
UM 822 Green peel bond procedure at the corrugator

TAPPI Standards guidelines require that all TAPPI members receive notification of any proposed new Standard or TIPs. This message is being sent to you because you are a TAPPI member; have purchased TIPs or Standards products from TAPPI; or because you have previously expressed interest in this topic.

TAPPI is the leading technical association for the worldwide pulp, paper and converting industry.
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