STANDARDS TEMPERATURE INDICATING MARKERS water analysis Allied Chemical Corp. Alpha Analytical Labs. Analabs, Inc. Andor Chemical Corp. Baganoff Associates, Inc. J. T. Baker Chemical Co. Beckman Instruments, Inc. Corning Glass Works (Mass.) Cudahy Labs. Delta Scientific Corp. Fisher Scientific Co. Hach Chemical Co. Harleco Hellige, Inc. Kent Cambridge Instrument Co. LaMotte Chemical Products Co.
LaPine Scientific Co. MilliporeCorp. Milton Roy Co. Nuclear Medical Systems, Inc Omega Chemical Corp. Phase Separations Ltd. Phipps & Bird, Inc. Phy-Lab Precision Gas Products, Inc. Princeton Aqua Science Rankin Reagent Co. Royco Instruments, Inc. Scientific Products Technicon Instruments Corp. Varian Instrument Div. Vulcan Laboratories, Inc. VWR Scientific WATCON, Inc.
STATIONARY LIQUID PHASES Alltech Associates, Inc. Analabs, Inc. Analytical Instrument Development, Inc. Applied Science Labs., Inc. J. T. Baker Chemical Co. Eastman Kodak Co., Eastman Organic Chemicals Lachat Chemicals, Inc. LaPine Scientific Co. Ohio Valley Specialty Chemical Co. Perkin-Elmer, Ltd. Phase Separations Ltd. Pierce Chemical Co.
PolyScience Corp. Regis Chemical Co. The Separations Group Supelco, Inc. Varian Instrument Div. Waters Associates Inc.
TEMPERATURE INDICATING MARKERS Allied Chemical Corp. W. H. Brady Co. Phipps & Bird, Inc. Pressure Chemical Co. Scientific Products United Mineral & Chemical Corp.