St. Paul

D. K. Mecham in Y. Pomeran2, ed.. Wheat, Chemistry andTechnolog, American Association of Cereal Chemists, Inc., St. Paul, Minn., 1971, p. 395. 

In 1954 the surface fluorination of polyethylene sheets by using a soHd CO2 cooled heat sink was patented (44). Later patents covered the fluorination of PVC (45) and polyethylene bottles (46). Studies of surface fluorination of polymer films have been reported (47). The fluorination of polyethylene powder was described (48) as a fiery intense reaction, which was finally controlled by dilution with an inert gas at reduced pressures. Direct fluorination of polymers was achieved in 1970 (8,49). More recently, surface fluorinations of poly(vinyl fluoride), polycarbonates, polystyrene, and poly(methyl methacrylate), and the surface fluorination of containers have been described (50,51). Partially fluorinated poly(ethylene terephthalate) and polyamides such as nylon have excellent soil release properties as well as high wettabiUty (52,53). The most advanced direct fluorination technology in the area of single-compound synthesis and synthesis of high performance fluids is currently practiced by 3M Co. of St. Paul, Minnesota, and by Exfluor Research Corp. of Austin, Texas. 

EluoradEluorochemicalA.cidEC-26, Minnesota Mining Manufacturing Co., St. Paul, Minn., 1986. 

F. J. Schwinn, in D. C. Erwin, S. Bartnicki-Garcia, and P. H. Tsao, eds., Phjtophthora Its Biology, Taxonomy, Ecology, American Phytopathic Society, St. Paul, Minn., 1983, p. 327. 

Another time-of-flight instmment, the Aerodynamic particle sizer (APS), is manufactured by TSI Incorporated (St. Paul, Minnesota). This system operates at subsonic flow conditions and cannot tolerate as high a flux of particles as the AeroSizer. As of 1996, the development of time-of-flight instmments is ongoing. 

United States Code Annotated, West Publishing Co., St. Paul, Minn. A compilation of U.S. laws of a general and permanent nature consisting of 50 Tides. Although many provisions of various Tides affect transportation. Tides 49 (Transportation) and 46 (Shipping) are of particular iaterest. Among other important statutes iacluded ia Tide 49 are the ICC Termination Act of 1995 ( 10101 et seql), the Department of Transportation Act ( 101 et seql), and the Hazardous Materials Transportation Act ( 5101 et seq.). Tide 46 collects various statutes pertaining primarily to water transportation. 

M DynamicWaterResistanceTestI (Ball) PenetrometerTest),3MTestMethods,3M,St. Paul,Minn., 1991. 

Colorimetric methods have led to the development of visual devices for measurement of benzene concentration. These visual detection tubes have been popular since the 1960s and have provided a simple and rehable method for evaluating ambient aromatic vapor contamination. These products are available from anumber of manufacturers such as Drager (Lubeck, Germany), Gastec (Tokyo, Japan), Kitagawa (Kawasaki, Japan), DuPont (Wilmington, Delaware, USA), and 3M (St. Paul, Minnesota, USA) (85). 

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