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 member to initiate a ballot:

**SSIGs that need 1 member:**

**T 213 om-15 **Dirt in pulp - chart method**T 235 cm-09** Alkali solubility of pulp at 25°C **T 245 cm-07 ** Silicates and silica in pulp (wet ash method) **T 248 sp-15** Laboratory beating of pulp (PFI mill method)**T 254 cm-10** Cupriethylenediamine disperse viscosity of pulp (falling ball method)**T 258 om-16** Basic density and moisture content of pulpwood **T 573 sp-15 ** Accelerated temperature aging of printing and writing paper by dry oven exposure apparatus **T 829 om-15** Score quality test **T 835 om-14** Water absorption of corrugating medium: water drop absorption test**T 1215 sp-12** The determination of instrumental color differences

**SSIGs that need 2 members:**

**T 222 om-15 ** Acid insoluble lignin in wood and pulp **T 504 cm-07 ** Glue in paper (qualitative & quantitative determination)

**SSIGs that need 3 members:**

**T 256 cm-07** Water-soluble chlorides in pulp and paper **T 259 om-15** Species identification of nonwood plant fibers

**SSIGs that need 4 or more members:**

**T 223 cm-10 ** Pentosans in wood and pulp **T 226 cm-11** Specific external surface of pulp**T 237 cm-08** Carboxyl content of pulp**T 244 cm-11** Acid-insoluble ash in wood, pulp, paper, and paperboard **T 265 cm-09** Natural dirt in wood chips **T 267 cm-15** Compression wood identification in pulpwood **T 429 cm-10** Alpha-cellulose in paper **T 434 cm-10** Acid-soluble iron in paper **T 435 om-16** Hydrogen ion concentration (pH) of paper extracts (hot extraction method)**T 493 cm-10** Identification and determination of melamine resin in paper **T 495 cm-13 ** Bending number of paperboard **T 509 om-15 ** Hydrogen ion concentration (pH) of paper extracts (cold extraction method) **T 600 om-15** Analysis of formaldehyde in aqueous solutions and of free formaldehyde in resins **T 610 sp-15 ** Preparation of indicators and standard solutions **T 613 cm-10 ** Analysis of caustic soda **T 617 cm-10 ** Analysis of lime **T 618 cm-10** Analysis of limestone **T 619 cm-10** Analysis of salt cake **T 621 cm-10 ** Analysis of rosin **T 622 cm-10** Analysis of sodium hydrosulfite **T 628 cm-10** Analysis of rosin size **T 632 cm-11 ** Analysis of sodium silicate **T 699 om-09** Analysis of pulping liquors by suppressed ion chromatography

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