Document qkvMJmYZRwKYdZN4Z60mjynYx

PLAINTIFF'S EXHIBIT CSR_ - 838 KJLOOOSLZX, gjuaa 6th April, 6s Tbe Senior Inspector of Vince, IIboo Dopartaent, Yentilation - Aoetrallaa Blob MUiut ltd. - Colonial Win* - Wittenooa,_______ . / Aoocreeled by MtUUst Xnepeeter vorpby X carried on on lnepeetlon daring day.eblft. . A ebook iaapaction luring oao afternoon Shift ni done la order .to gala a overall platan, alao aTtrend-lf any. . a partial alrfiev sarvay of the Colonial ulna oao dons, Ao tbe work of loolotlag the upper and Invar aeaa elroalta la ao* eeaplete, ao valao eenld bo gained froa a collets' ismr. la Inopoetloa of tbo treatment plant was also-carried on. ondoreromdi Tleoally, ooodltiooo throogboat tbo alao generally appear te bo at last approaching the satisfactory level* Tbo recorded duatcoonte, hovwtr. atlU ebo* above aeraal concentrations. This la partlsaiarly evident oe afternoon shift vhoa tbo only bad eroae aero 41 * end lit jr. loeer oooat, bat fro* tbo reoordod daat aoaata all areas netted aboaed high dost concentrations. Tbo folloelag figuree are of Interest! Average duet ooont on day ablft for gone , I960 - 830 p.p*8. a . a a a a goVCafeCr, 1960 - ISO p.p.e. (2J boor brssk). * Aaguat, 1961 - 420 p.p.e. * uarob, 1962 - J70 p.p.e. eftornoen * Povanbor, 1960 - 110 p.p.e. (2} boor brook). Aagoat, 1961 - 630 p.p.e. The relieving flgoree ere tboee ebteined froa our ebeok pelnte. l.e. An everage erosa-acetloa of tba vorklng conditions. Arorage doat coast es afternoon eMft for October, 1961 -- 750 p.p.e.c * peeoa&or, 1961 - 275 March, 1$62 - lo day p.p.e.e Dveeaber, 1961 - 305 p.p.e.< Proa tbo svorago daat const figures it can bo eoen that tbo lovoot roeolte vara obtained daring Ui 2} boor brook period. ; 2 . 6/ This 1* understandable for afternoon shift* bat moms strange hot tbs tv shift should bo sffostod, salens it vss soiaeidsasst Also* BOtlessbl* is tbs lo* sowts obtained during dssistsat Inspector Lesion's stv 1b amstw, 1961* It *s plssslfif to sets tbs efforts os the kanagsasats port to ItMM seadltlesa* tmfortanately they srt sot rsesivlag tbs saplsyaa's ssslstsacd'sad It appoors that vs Zsspostors ast tsks strsag llss of sstlsa iplMt tbs alas** aooeamed. in tbst the stHTTlsv* m asrs thorn laterssted is eoadltisss ad srs dalag thslr ataast* if vs do Mt atrogly sspport than la tbslr dsuss tboa os asir1sss thslr Intsrsst sni os sasos oooditieea-ts tola datsrlsrsts. ' a asa bos boon -delegated to kssp tbs bsash sad soia Adit vstorod dova d so devbt this bos decreased tbs dost liberated froa those aross. -fbs Kola Adit sppssred Quits el tor oa oil beros.; -this sns ozosptloa vsa ssossd bp dry dirt being-aorsped into th#o. llevwlloae Ohsia reader. a . good alrflovls sov aaii(tdlasd'dsvs*tbs lala.Adlt*- its flosblag Milos hoops/tbs adit o1sm-~ A .voiass .of 30*000 svatss vss fooad to bo psssslBg dava'tho'.Vsla' Adit.'. This voiass Is vsrlsblsr*'bovsrvtr sad Is aovtly srvsad tbs 15*000 ooalas region aooeWllBg to tbs VentilationrOffiesrs. -Vbsrsirsr possible* stoping faedo srs bslag vorhsd ap tbs dip iastoad'tof dess' tbs- dip so before. After sooealtatles vltb the OsdergroaodMMSgsr sad staff regardlag s ocaplete sbaadoaasat of dova the dip stoplag*-sad after vlvviogoandltient dorlag tbo laspoetloe* itvsadaelded thst it vss lapreetlcable si prsssat* ovlag to dsvalapjasat bolag behind* to sbsndoa doss tbo dlpstepiag. At proseat all stoplag fsees are adeQoattly ventilated* vastly by s through sliasj* bat vhors ao slreay azlet thea s less *.y,- b a. Ceotrle rysa vltb 15s dusting is provided, fbs ttodsrgrvBDd hsasgsj-hsa-sgrssihs sorb all fatore stoplag fsees op tbs dip vbsasvsr possible. A door bss beea-Mde sad is ready to iastsl at the ala Adit eatranos. A trap door Is laserporated so thst at the shoags of shifts* shea the deer is slsssd sad leaked* mb osa etUl pass thrsvgh. . Dorlag the shift the doer vill be left spaa sad as silos tbo'Vala Adit is devaosst. At the ehaago of shift# the door vill b# sieved sad looked* uu seaside aoro sir to' bo dreva lato the bottoa of tbe also end m ellev e larger .tvlaao to pass late tbe stopee free the lover level*. '> $ ';- Alr heaanrsMatsi Ventilation of this a&se ie saw serried oa by tvo Jtloberdeon dO A.F. Class A salsi As* Paso. Oas is still exbaastlng at the oliff fees eu tbs-upper mm* bat Is Mtaslly drsvlng sir frov both ssas *t present. Tba other fsa la operating frov go. 5 level-cad -Is-positioned just sooth of the 5h 3. eorfeoe rlee.vbleb. foros the only isteke alrvay for this fan. Work lo still bslag done la sa eadsstout to oonpletsly isolate the tvo him and so create tvs ladopoodoat airway*. Onoe eoaplsted the fan at tho eliff opoalag vill txhauat air froa the loser mu vbilet the fsa oa So. 5 loval vill foree air through tba oppor mm* from sir aessoroasats* dlrsetloa* and obesrrstloas Mda during this iaspsotloa tbs Idas of isolating tbs tvo senna and so provide indapondaat alrvay* is ao longer a drsaa, hot la alaost a proved sad vorkiag aystea. Tba fsa sa Wo. 5 level la at present only passing 57*000 iMlm Ooss all brattioes eta. have beva ooMlotod it till be spsedod op to lta fall oypMltyr - j'?- - -------------- . ../3* r 41 f," "' ; Y' 5 <oo s ' Tb* total wolm* of air passing tbraagb tho ada* oo asaavtd st lift,000 rmslns of vblob 66,900 oaatao Toattlatos tbo . lov*r a*aa and 69,900 oacLao w*ntllataa tho oppas mu< Zt Is bopod oooo both fsos or* working, at foil eapaalty to her# as oxooos of 160,000 rosins passing throogb tbo iso of wbleh both soon will rtoolro oa tqsal mesat. Tho rasordad woloma maaorod st tbs Hois potato during this wlalt woro oa followst rkalaidlt VS* 1 1*9*1 Cliff . op*alag Vs*-.2 l*ral Cliff opsalsg I0. 3 low* Cliff oposlsg vs* 4 lawsi cliff Spssl&g Vo* 9 laws! garfso* tlao*:-. Xntaks /> * tO.ttM Main* 1,000 * 2,000 2,000 * 11,000 57,000 . _ . TOTAL 103,000 emlaa Mala turfao* fan Vtso t.?* 6 Pan - Sxbaaat 96,900 emlns 13.500 TOTAL ' . 112,000 OBlB* ' fbo go i.f. 6 cioetno fas* oxbasstiag at 11 6. la calf * tasparary installation. zt oas fo ad sasasaary to plsso It tboro booasoo of loakogio la tho aoesay brattloos botsooo sppsr sad lasor soam* bofaro its Installation tbs air was d--aaailag to tbs lawtls tit Manways ato*, bst omo tbla fas bogaa oaoratlag Its laflssoso oworosaa mat trosblaa, Obss all brsttlssa ato* ora aatlafsstsry tbla fas *111 aot bo rogslrod* Tbs rossos boblad tbs poor brattlooo oto* *aa that ovsr tbo bol&days ssporvlaloa via abort, ala* ar* Rolbollaad **a oo bslldaya, sad boforo bo rotsraod tb* soporst* slreslta wars brraght lots bolag with tb* aforasaatlomt troobloa* Opes rotxralag to vork nr* Malhaiiand laaadlatsly appraiaod tba altsatloa aad sat abost rootlfylag asm* it tb* tiao of oar wlalt only a aasll mat of oork rtmlasd to ooaplat* tb* prograam* . Zb* f*Uo*lag l* th* prop***d slmy* for *aab atis oasar tna -- Ood*r tb* laflooaoa- of ko* 9 1*9*1 faa air *111 b* 4rtnun 9b * Barfaoo tla* aad *111 tboa a* dlstrlbatod aloag Ko*,-5, 6 aad 7 l*w*Ufros b*r It paaoas ap aaarays ato. to tbb app*r aoaa working*. La*ar baa* - cador tho lefloone* of tba Sorfae* xzbaast faa ,1, rtin* drava into tbo nlao *1* tb* following poiatsi Mala adit, mob. 3 and b lowol Cliff opoalags. Zt than pssao* 9 Maways at*, to tb* lovar *oom sorklaga. By tb* Installation of brattle** la tba aaawsyt aad or* poaaoo . shew* tb* l**r torn, tbla air la pr*woatod fro* watering tb* app*r a*as working*. !. . Coadltloaa Is tb* sill appoar ooaalatost with prowiost laapootloaa* Tb* erssblag stloa spp*ar*d aer* dost fro* ibis Urn tbae prortaes tims. A. c: 4164 k Average duet eouats recorded ara aa felleesi ST VnStoll Caimilwtla Mill --tl Jana I960 Septaabort960 Aoveaber i960 August 1961 Pooembcr 196I March 196a 300 p.p.e.e, b20 p.p.e.o, U60 p.p.e9i 390 ppee. 510 p.p.o.o 300 p.p.o.o, 200 p.p.e.e. J30 pp.o.e. UtO p.p.e.e. b60 p.pe.o. b35 p.p.e.o. 290 p.p*o.a. 320 p.p.e.o blO p.p.e.o biO p.p.a.a 320 p.p.a.a 620 p.po.a 360 p.p.o.9 Although tha Meat toast la leco* this tine it could poaeibly ha dloeardoA altogether. v* leapaatad tha mill on Friday morning, 25rd hareh. Aa' mill *a atappad vbea aa arrived aeft apparently had haaa ao alsoe 9 Aa mill vac atartad at approximately 10.00 an. aad aa atartad tha Isepeotioa at approximately 10.30 c.m. It ia therefore probable that the trot plctara of tha mill, partleularly tha crumbing aaatlca raa dietartad u u b favour hatter accdltlcaa. Ac tnaUst aaatlaa appeared hatter thla time them It has ever done, hot tha man vorkiag la it claim it la deatlar then aver. The' lanegenest era definitely trying to central tha daet aad era aponding much mosey an it. bet eeiag te lacreeaed through-put, and the inability cf tha preaent dent aellectlee - arttom te beadle lit* eoaceee mm highly laperhahle. As ezperlmaatel hag type filter la te he tried la the sear future and It ia to bo bepad thla prevaa a aoecaaa. Ontil tha duct la oellaetcd at Ita acerea hovever, no flltar arrengvoaat outside can do aoch for-Isolde the mill* Zt le geltc obvloaa meet daat la craatad at all point# althla tha mill, end at verleaa tlmaa la joined by dost from catalda aoereaa. Man throaghcct tha mill generally acorn te ha veering, matte, especially throegft-oet tha ereahlsg aaatlen. On ear next vlelt te thla mine sn laepeetloa of the t till be deae during the initial part of our etay aad poealU another eaa or tee ebeeka before leaving tha dietrlet. Oanerelt Aa eteted aarllor eeadltlesa throughout the sine appe> mob hotter than before. On aftaraeaa ehlft aeadltleae appears good exempt for one area. Previously thieJt cache accompanied by the eberaeterlatlo asmll af fuaaa vae praaaet throughout the alae on afternoon shift. The aaa do not have theee bad aendltlena te verk In no*, but tba duet haaard la atlll tbara aa can ha aaan from tha reoorded dust counts. Zt la therefore use. leaa aad mleleedlng for anyeae te gauge the aeadltleae frea vleu.obaervetlene only. The reaulte of thla laepeetloe have nreved thie beyond ell doubt, end net until tba recorded duet ornate lovorad te a satisfactory level een *e be aetlaflad vitb eosdltl on thla nine. Some eabeatoe *aa Men In tha underground eumlaa* ahereea much fibre *as aaan In tha mill aaaplaa, aapaelally tfioa taken In tha poet-crushing ereta* If tha mill valla, beams ate vara to be regularly cleaned down perhaps some of tha duet could be stopped inside tha alll, Aa experimental ateplng block la reedy for the "loogweli method" ef ateplng te bo triad. Re definite data hat baas nominated for tba ateplng to oomaaea, bet nov tba Underground onager is bask from holidays operations may aeon b under vay. /} f - 5- 55 tb* ventilation offleaf (Mr. - Kalhcllaal) -la oeatlaniag bl* osoallaat writ od th probi#** eteall tinwa 2mr la MCBlta4 tmdar bla lnfloaao*. .It la pleoalag to report tbe excellent co-operation being- glean. ne *? all reepeaalble nine pereonael* r<_- na iiUc Jc