SSIGs that need 1 member:
T 203 Alpha-, Beta-, and Gamma-Cellulose in Pulp
T 222 Acid-Insoluble Lignin in Wood and Pulp
T 244 Acid-Insoluble Ash in Wood, Pulp, Paper, and Paperboard
T 248 Laboratory Beating of Pulp (PFI Mill Method)
T 255 Water-Soluble Sulfates in Pulp and Paper
T 256 Water-Soluble Chlorides in Pulp and Paper
T 263 Identification of Wood Fibers from Conifers
T 265 Natural Dirt in Wood Chips
T 408 Rosin in Paper and Paperboard
T 419 Starch in Paper
T 428 Hot Water Extractable Acidity or Alkalinity of Paper
T 438 Zinc and cadmium in paper
T 500 Book Bulk and Bulking Number of Paper
T 529 Surface pH Measurement of Paper
T 578 Accelerated light aging of printing and writing paper by xenon-arc exposure apparatus
T 602 Analysis of Sulfuric Acid
T 646 Brightness of Clay and Other Mineral Pigments (45/0)
T 1217 Photometric linearity of optical properties instruments
T 1218 Calibration of reflectance standards for hemispherical geometry

SSIGs that need 2 members:
T 223 Pentosans in Wood and Pulp
T 226 Specific External Surface of Pulp
T 237 Carboxyl Content of Pulp
T 249 Carbohydrate Composition of Extractive-Free Wood and Wood Pulp by Gas-Liquid Chromatography
T 252 pH and electrical conductivity of hot water extracts of pulp, paper, and paperboard
T 267 Compression Wood Identification in Pulpwood
T 268 Weight-Volume Measurement of Pulpwood
T 406 Reducible Sulfur in Paper and Paperboard
T 418 Organic Nitrogen in Paper and Paperboard
T 429 Alpha-Cellulose in Paper
T 435 Hydrogen Ion Concentration (pH) of Paper Extracts (Hot Extraction Method)
T 504 Glue in Paper (Qualitative and Quantitative Determination)
T 509 Hydrogen Ion Concentration (pH) of Paper Extracts (Cold Extraction Method)
T 610 Preparation of Indicators and Standard Solutions
T 611 Analysis of Bleaching Powder, Calcium Hypochlorite Bleach Liquor and Bleach Sludge
T 617 Analysis of Lime
T 619 Analysis of salt cake
T 624 Analysis of Soda and Sulfate White and Green Liquors
T 625 Analysis of Soda and Sulfate Black Liquor
T 656 Measuring, sampling, and analyzing white waters
T 699 Analysis of Pulping Liquors by Suppressed Ion Chromatography

SSIGs that need 3 members:
T 421 Qualitative (including optical microscopic) analysis of mineral filler and mineral coating of paper
T 430 Copper Number of Pulp, Paper, and Paperboard
T 600 Analysis of Formaldehyde in Aqueous Solutions and of Free Formaldehyde in Resins
T 613 Analysis of caustic soda
T 618 Analysis of Limestone
T 622 Analysis of sodium hydrosulfite
T 632 Analysis of sodium silicate

SSIGs that need 4 or more members:
T 434 Acid-soluble iron in paper (4 members needed)
T 493 Identification and determination of melamine resin in paper (5 members needed)
T 495 Bending number of paperboard (4 members needed)
T 621 Analysis of rosin (5 members needed)
T 628 Analysis of rosin size (5 members needed)