7578409710

BIOLOGICAL AEROSOL MEASUREMENT IN DAIRY PLANTS

18.. Clark. S. and O. M. Lidwcll. 1981. The performance of lite Bioicsi RCS ccnirifugal air samplcr. J. Hosp. Infcct. 2:181-186.

19.    Collison. W. E. 1935. Inhalation ihcrapy tcchniąuc. Heinemann. London.

20.    Co*. C. S. 1987. The acrobinlogical pathway of microorganisms. John Wifcy & Sons Lid., Chichester. U. K.

21.    Curtis. S. E., R. K. Balsbaugh. and J. G. Drummond. 1978. Compari-son of Andersen cighi-siagc and two-stage viahlc air samplcrs. Appl. Environ. Microbiol. 35:208-209.

22.    Dclmorc. R. P. and W. N. Thompson. 1981. A comparison of air-samplcr cfficicnocs. Mcd. Dcvicc Diagn. Ind. 3:45-48. 53.

23.    Dimmick. R. L. and A. B. Akers. 1969. An iniroduction to expcri-mcntal acro-hiology. Wiley-lntcrscicncc Inc.. New York.

24.    Drucii. H. A., and K. R. May. 1952. A wind lunncl for ihe study of airborne infcciions. J. Hyg. 50:69-81.

25.    duDoy. H. G.. A. Hollacnder, and M. D. Lacky. 1945. A comparatbe study of sampłing dcviccs for air-bornc microorganisms Public Health Repts. Suppl. No. 184. 40 pp.

26.    Favero. M. S.. D. A. Gabis. and D. Vcslcy. 1984. Environmcntal monitoring procedures. pp. 47-61. In Compendium of meihods for the microbiological examination of foods. 2nd ed. M. L. Spcck (ed.). American Public Health Assoeiation. Washington. D. C.

27.    F»elds, N. D., G. S. Oxborrow. C. M. Herring and J. R. Puleo. 1973. An cvaluation of Iwo microbiological air samplers. Abs. Ann. Meet-ing A. S. M. Eli. p. 2. (Abstr.)

28.    Food and Drug Adminisiralion and Milk Indusiry Foundation International Ice Crcam Assoeiation. 1988. Recommended guidelines for controlling eimronmental comaminalion in dairy plants. Dairy Food Sanii. 8:52-56.

29.    General Scrviccs Adminisiralion. 1987. Federal standard 209C. The clcan room and work station requircments. controllcd environmenL General Scrvices Adminisiralion. Federal Supply Service, U.S. Govri. Prinling Office: 1988-181-251/ 73222. Washington. D. C. 40 pp.

30.    Goldbcrg. L. J.. H. M. S. Watkins. E. E. Boerke, and M. A. Chaiigny.

•    1958. The use of a roiaiing drum for the study of aerosols over ex-

tended periods of timc. Am. J. Hyg. 68:85-93.

31.    Gregory. P. H. 1973. Air sampłing iechnique. pp. 126-145. In The microbiołogy of ihe otmosphere, 2nd cd. John Wiley and Sons. New York.

32.    Hedrick. T. I. 1975. Gnginccring and science of aeromicrobiological comaminalion comrol in dairy planis. Chemy. Ind. 20:868-872.

33.    Hedrick. T. I. and D. R. Hcldman and C. W. Hall. 1964. Stcps to reducc air-borne comaminalion. Dairy Ind 29:598-602.

34.    Hedrick. T. I. and D. R. Hcldman. 1969. Air qualiiy in fluid and manufactured milk producis planis. J. Milk Food Technol. 32:265-269.

35.    HeWman. D. R. and T. I. Hcdiick. 1971. Air-bomc comaminalion control in food proccssing planis. Research Bulklin 33. Mich. Stale Univ. Agr. E*pt. Sta.. Easi Lansing. Ml. 76 pp.

36.    Hcldman. D. R.. C. W. Hall. and T. I. Hedrick. 1968. Air fitiration for the spray drying of dairy producis. J. Dairy Sci. 51:466-470.

37.    Hcldman. D. R.. T. I. Hedrick. and C. W. Hall. 1964. Air-bornc micio-organism populations in food packaging arras. J. Milk l^:ood Technol. 27:245-251.

38.    Hcldman. D. R.. T. I. Hedrick. and C. W. Hall 1965 Sourccs of air-bomc microorganisms in food proccssing areas-drainsJ. Milk Food Technol. 28:41-45.

39.    Hcldman. D. R.. T. I. Hedrick. and C. W. Hall. 1966 Populations. sourccs and control of air-bornc microorganisms in dairy planis. Im. Dairy Congr. I7lh. Munich. 17. No. F-3:531-540.

40.    Hcldman. D. R.. T. I. Hedrick. and C. W. Hall. 1968. Effcctwcncs* of laminar air fiow for Controlling air-bomc toniamtnatroii. J. Dairy Sci. 51:1356-1362.

41.    lUmcr. C. 1987. Pcrspcciivc: Tcchnołogy. Mixing air with milk.Chccsc Market News. 7(2l):6. 9.

42.    Moncr. C. 1988. Canadas crcalors of culturc. D.iiry Foods. K9(3):6I-65.

43.    Joostcn. R. L. 1985. Meihods to cxtcud the sbclf lifc of pasteur i/cd milk. Dairy Packaging NęwsktlCf. No. 12. pp. 1-3. International Dairy Fcdcratimi. Urusscls.

44.    Kraidman, G. 1975. Tlić microbiołogy of airborne comaminalion and air sampłing. Drug Cosmct. Ind. 116:40-43.

45.    Ichnio. H. 1961. The cslimaiioii of the hnclcrial cmnu of the atinns-phere in dairy factorics. Off. Org. Ncd. Zuivelb. 53:772-774. (Dairy Sci. Abstr. 23:603.. No. 3529)

46.    Lembkc. L L.. R. N. Knisclcy. R. C. V. Nostrand. and M. D. Hale.

1981.    Prccision of ihe All-glass impinger and the Andersen microbial impacior for air sampłing in solid-wostc handling facililics. Appl. En-viron. Microbiol. 42:222-225.

47.    l-copold. S. S. I988. “Positivc hole" slatisticnl adjustmeni for a iwo-stage, 200-Mc-pcr stage Andersen air samplcr. Am. Ind. Hyg. Assoc. J. 49-.A88-A90.

48.    Lundhnlm. I. M. I982. Comparison of meihods for qoaniitntivc deter-minations of airborne bacicria and cvaluation of total viablc counis. Appl. Environ. Microbiol. 44:179-183.

49.    Machcr. J. M. and M. W. Firsi. 1983. Reuter ccnirifugal air samplcr: measuremern of cffeciive airllow ratę and colkction efficicncy. Appl. Environ. Microbiol. 45:1960-1962.

50.    May. K. R. 1967. Physical aspeets of sampłing airborne microbes. pp. 60 81. In Airborne microbes. I7th. symposium of the sociciy for generał microbiołogy. Cambridge Univ. Press. London. U.K.

51.    May. K. R. and H. A. Drucii. 1968. A microthrcad «cchniquc for studying the viability of microbes in a simulated airborne siatę. J. Gen. Microbiol. 51:353-366.

52.    Messcr. J. W„ H. M. Behney and L. O. Lcudeckc. 1985. Microbio-logical coum meihods. pp. 133-150. In Standard Meihods for ihe E*-amirution of Dairy Products. 15th ed. G. H. Richardson (ed.). Am. Public Health Assoc.. Washington. D. C.

53.    Mossel, D. A. A. 1964. Esscntials of assessment of the hygienic condition of food factories and iheir producis. J. Sci. Food Agric. 15:349-362.

54.    National Aeronamics and Space Adminisiralion. 1967. NASA sian-dards for elean rooms and wotk statiom for the microbially controlled environmenl. NHB 5340.2 NASA, Washington. D. C. 35 pp.

55.    Naylor. J„ and M. E. Sharpe. 1958. Lactobacilli in cheddar chccse. III. The sourcc of laciobacilli in chccse. J. Dairy Res. 25:431-438.

56.    Ołson, H. C„ and B. W. Hammer. 1934. Numbers of microorganisms falling from the air in dairy planis. J. Dairy Sci. 17:613-623.

57.    Perry, K. D.. M. E. Sharpe. and A. T. R. Mattick. 1958. Lactobacilli in ihe air of creameries. J. Dairy Res. 25:407-408.

58.    Placencia. A. M. and G. S. Oxbom>w. 1984. Use of the Reuter cen-trifugal air samplcr in good manufacturing practices »nvcsiigaiions. U.S. Food and Dmg Adminisiration. Sten lity Research Center, Min-neapolis Center for Microbiological lnvcstigaiion$. 100 Union Si., ORA/ORO. Minneapolis. MN.

59.    Placencia, A. M., J. T. Peekr, G. S. Oxbonow and J. W. Daniclson.

1982.    Comparison of bactcrial rccovery by Reuter ccntrifugal air samplcr and slii-to-agar sampkr. Appl. Environ. Microbiol. 44:512-

513.

60.    Plakholya, L P. 1984. Survival of Salmonella in aerosol State under cxpcrimcmal condilions (in Russian). Gig. Sanii. no. 6. pp. 75-77.

61.    Rndmorc. K. and H. Łuck. 1984. Microbial comaminalion of dairy faelory 3ir. S. Afr. I. Dairy Technol. 16:119-123.

62.    Radmorc. K.. W. M. Holzapfcl and H. Łuck. 1988. Proposcd guide-lines for maximum acccptablc air-bomc microorganism lcvels in dairy proccssing and packaging planis. Im. J. Food Microbiol. 6:91-95.

63.    Rossmoorc, K.. P. Johnson and C. Korach. 1988. The Mgniftcancc of acrial microbiol a on the <|uality of dany producis. Dairy Food Sanii. 8:269 (Abstr.)

64.    Schcucrmann. E. A. 1972. The gelatin membrano Filier ructhod for the dctcrminaiion of airborne hactcria. Phumt. Ind. 34:756-765.

65.    Silos. J. C.. M. A. Harrison. J. A. Carpcntcr and J. B. Floyd. 1986. Comparison of partieubte air samplcrs for Ucicction of airborne As-perjiilhn )fonu spore*. J. F«kkI Prot. 49:236-238.

66.    Stcrsky. A. K. and T. I. Hedrick. 1972. Inhihitinn of growih of air-borne eoliform nnd other hactcria on sekclivc media. J. Milk Food Technol. 35:156-162.

67.    Stcrsky, A. K.. I). R. Hcldman uik! T. 1. Hedrick. 1970. Rcduclion of airhomc microorgunisrm in a bipol.ir-oricnicd dcclrkal ftcUl. XVIII Im. Dairy Ctmgr. 10:160.

68.    Stcrsky. A. K.. IX R. Hcldman and T. I. Hedrick. 1972. Vi;thiliły of airborne Sn lnu»tri la nrn-hriuisH-it k under varinus Cowlitions. J. Dairy Sci. 55:14-18.

69.    .Sullivan. J. J. 1979. Air microbiołogy and dairy proccssing. Ausl. J. Dairy Technol. 34:133-138

70.    Sunga, lx* C. A.. D. R. Hcldman. and T. I. Hedrick. 1966. Charactcr-

JOUMNAL Ot FOOD PKOTFCnON. VOL. 52. JULY 1989