Document aY2eRk7y3anMLKgjVD8RYJZa

HYDROCARBON TECHNOLOGY INC. USTOMER: VISTA WESTLAKE, LA DATE: ORDER: P.0.#: 10-23-89 392396 0383X12224 PRIMARY GAS STANDARD FOR INSTRUMENT CALIBRATION (+0R- 1 %) CYLINDER NUMBER: CCO 7 4029 CGA VALVE TYPE: 250 MPONENT: VINYL CHLORIDE ETHYLENE DICHLORIDE NITROGEN CONCENTRATION: :MOLAR) 0.502 PPM 0.440 PPM BALANCE +0R- 0.005 PPM ABSOLUTE -t-OR- 0.004 PPM ABSOLUTE * VINYL CHLORIDE VALUE NBS TRACEABLE VIA SRM CYLINDER PRESSURE: 2000 PSIA CYLINDER CONTENTS: 1 35 3 C F ONE YEAR SHELF LIFE FROM DATE OF MANUFACTURE: MAKE DATE: 10-23*89 EXP. DATE: 10-23-90 2621 INDUSTRIAL DRIVE P.O. BOX 1338 SULPHUR, LOUISIANA 70664 (318) 882-1701