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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.

T 1212 sp-21 Light sources for evaluating papers including those containing fluorescent whitening agents
T 1215 sp-21 The determination of instrumental color differences
T 267 cm-15 Compression wood identification in pulpwood
T 272 sp-21 Forming handsheets for reflectance testing of pulp (sheet machine procedure)
T 444 sp-21 Silver tarnishing by paper and paperboard
T 454 om-21 Turpentine test for voids in glassine and greaseproof papers
T 462 cm-16 Castor-oil penetration test for paper
T 465 sp-21 Static creasing of paper for water vapor transmission tests
T 476 om-21 Abrasion loss of paper and paperboard (Taber-type method)T 480 om-20 Specular gloss of paper and paperboard at 75 degrees
T 512 sp-21 Creasing of flexible packaging material paper specimens for testing
T 515 om-20 Visual grading and color matching of paper
T 524 om-20 Color of paper and paperboard (45/0, C/2)T 529 om-21 Surface pH measurement of paper
T 537 om-21 Dirt count in paper and paperboard (optical character recognition - OCR)T 553 om-20 Alkalinity of paper as calcium carbonate (alkaline reserve of paper)
T 556 om-21 Bending resistance of paper and paperboard by single-point bending methods
T 560 om-21 CIE whiteness and tint of paper and paperboard (d/0 geometry, C/2 illuminant/observer)
T 563 om-21 Equivalent black area (EBA) and count of visible dirt in pulp, paper and paperboard by image analysis
T 567 om-20 Determination of effective residual ink concentration (ERIC) by infrared reflectance measurement
T 572 sp-21 Accelerated pollutant aging of printing and writing paper by pollution chamber exposure apparatus
T 573 sp-21 Accelerated temperature aging of printing and writing paper by dry oven exposure apparatus
T 627 cm-16 Determination of titanium dioxide
T 657 sp-21 Sampling of fillers and pigments
T 800 cm-16 Drum test for fiberboard shipping containers (revolving hexagonal drum)

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.

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