Document nmVq1eeGmnv2GrkgmRzLVGRQw

'or pairm - P.260 c 6th Becosher, 1963* c The General Manager, C .3.&. Building Materials Division, SI'DNBT. Oosr Sir, PDST HAZARD Tear ?.226i Vfe eubnit a eopy of tho recent dost and ventilation aurvoy oonduotod In tho Bln*, together with th* dost readings taken in tb* plant. c Tin Ninos Dopartoant Ventilation Officer is currently visiting Wittaaocn, and wa will subedt his report whan it ccaos to band. c Tours faithfully. For AUSTRAT.iaraLUB ASBESTOS FTT. 120. Goners1. Surarintandant / C 4456