[ f2 ] 
« ive to the maximum supply the mai 
high rate and though^ not hthef han T f ° 0t per hour/ This is 
twice that recommended as^safe in F ° m S ° me waterw .°. rks is near] 
excess of the usual rates. ' ul ope by some authorities and is i: 
obtained on'Tune' 22 in d *24 Tut 1 filtratlon is , we11 shown in the result 
the bed as on Julv 14 diminished rate nf \\t "anisms have grown throug 
good result. ^ c tration no longer produces thi 
enable the filters to be used°ongen atl ° n "° Uld result ln a P u ‘er water an, 
tT^xT^ 
Increased filtration area i'q nprpccaru \ • . 
of such changes Y be deC ' ded by observation of effects 
:si'; - £ srs 
S 5 =s 5 s£ 5 ==H “ — «= 
Klang Waterworks. 
up at J spa? srsi-jss: as-? Tf&sxts 
“o^cres 9 4 S * *** catchment area to supply this reservoir is 
groumi'moTporous ioTlTmuch ‘^h^Sfr^SnTT “ d T 
^#-r«£ss=t 
*SWi 5 £E“’C; 
of 26 i~- 0-0II * 1 • , e tcmn °f ^lang is supplied and also a lar^e tank 
The uaterT ’Tf.F'P f ° r ,‘ he SUpply t0 Port Swettenham. ” 
reservoir at knl 1 fi , red and examination of the water in the service 
" ' 10 " s ‘hat acid and gas forming organisms were present 
