The Standard-Specific Interest Groups (SSIGs) for the following Standards are in need of additional members. These groups may or may not have ballots currently open.

All Standard-Specific Interest Groups (SSIG) require a minimum of 10 members in order to ballot and vote on a draft of a method. The following test methods do not have the required minimum number of members to initiate a ballot:

Optical Properties

T 425 om-21 Opacity of paper (15/d geometry, illuminant A/2 degrees, 89% reflectance backing and paper backing)

T 515 om-20 Visual grading and color matching of paper

T 567 om-20 Determination of effective residual ink concentration (ERIC) by infrared reflectance measurement 

Physical Properties

T 454 om-21 Turpentine test for voids in glassine and greaseproof papers

Pulp Properties
 
T 267 cm-15 Compression wood identification in pulpwood

Participating in a SSIG is free and open to anyone interested. Join now!

If no progress is made on balancing these SSIGs, then the respective methods may be considered for withdrawal at the next Q&SMC meeting. If you have an interest in becoming a member of either of these SSIGs please contact standards@tappi.org. or visit tappi.org/JoinStandards.