Document 0g6Ma8BE78GJqnvJD7VMBN6rM

V A.J.. UUEPHO GOVERNMENT OF WESTERN AUSTRALIA 0. 12 MINES 09ARTMENT g2TOor>pT.rB__________9th_Deceaber,______ out >9. .. _________ rov* tf. _____________ _ AJU:LS The Manager, Australian 81u Asbestos, amassh< Deer Sir* Tould you pleat* supply tbe following Indorsation to this office at your earliest. (1) Any alteration to ealor airflows on your alas*, sueh as that oauaad by the repositioning or installation of large fans, during the year ended 31st Deeeaber, 1964. (2) The aaaeureaant of prlary airflow*, either natural or fan sealsted. (3) Any imlmjatrit. or reoanstraetlcn of existing opening* solely or incidentally tor -ventilation purpose*. (It) Any propoeel to Alter the aejor ventilatlm clreult la your alaes by eeoneetleni fan Installation; eta. (5) The noaber of type* of Prlaary end Secondary fans la use underground. Also regarding your UU1. the followlag indorsation la repaired. (6) Any alteration, reeenstraetloa or new installation to your duat extraction unlta during 1964. (7) lay new prepoaal to altar or recenatraot my of thee# unlta la tb* futura. (S) Other points of latsrsst on tbs duat control of your Crashing or Treament plants, such as problem encountered, overworn or being dealt with. This lnfoxsatlon la naoasasry to our Dejartaent for tha eeapUatloa of tb# Annual Report on Ventilation. C 4499 i t t.