01504aam 2200409I 450 991071006290332120151118015322.0GOVPUB-C13-7665ab9fb4d5167eaff537ac3f34832a(CKB)5470000002475647(OCoLC)929881272(EXLCZ)99547000000247564720151118d1975 ua 0engrdacontentrdamediardacarrierDevelopment of contaminant generation systems for certification of portable air sampling instruments /B. C. Cadoff; B. Griefer; P. A. Pella; J. K. TaylorGaithersburg, MD :U.S. Dept. of Commerce, National Institute of Standards and Technology,1975.1 online resourceNBSIR ;74-5731975.Contributed record: Metadata reviewed, not verified. Some fields updated by batch processes.Title from PDF title page.Includes bibliographical references.Cadoff B. C1396183Cadoff B. C1396183Griefer B1396184Pella P. A1390268Taylor J. K1388164United States.National Bureau of Standards.NBSNBSGPOBOOK9910710062903321Development of contaminant generation systems for certification of portable air sampling instruments3455843UNINA