738 



(Til Mimical cokstitutioiv op 



(THK nCilJKlO.S INDICATE 



Distillates 

 and Solid .Matter- 

 Contained 



TyiMcally 



( on>titii('iit.~ 



in (ia.-vs 

 l'i<ini SnioUe 



Oniiiiar.v 

 Smoke from 



Ilard-n.al 



Furnaces 

 (Double Chemical 



Air Content) 



Steam 



Boilers 



Heaters 



Tai: Kimks ( Injurious) 



Aromatic Carhuretted Hydro 



«en 

 I'licnol ("Creosote") 

 Auilin 

 i'yridin 

 I'Vrrol 



Ordinary 



Coke 

 and Brick 



Ovens, 

 Occasion- 

 ally in 

 Charcoal 



Kilns 



So(yr ( Practically Non-injurious) 

 Carbon Avilli Compounds: 

 Tardike, Nil:, 

 I'otiissium,Soi|iuni,Calcituu 

 Sull'uric Acid 

 Chlorin 

 Kliodan, etc. 



Ft.viNc AsiiEs (Conditionally 

 Injurious) 



Oxids 1 Various Rases as 



Carbonates [ Nrm-injurious 

 I'liospliates f Insoluble 

 SilicMles I Sul)stanccs 



As..(>, Soluble with Dillicully 

 Siillales I ofF(>. ) Soluble" 

 Clilori.ls fZii.Cu I lujurions 

 Alkalies and Am- ( Sub- 

 monia Salts ) stances 



rnsuital)iy 



Csed. 

 Ordinary 

 Hard-coal 

 IIeatiu<:. 



Iron 



lietineries. 



Steel 



Smellers 



(Ke.lucini: 



Heat) 



Metal Keliueries 



( hiiKi; .SpKcii-K Soi.iDs: 

 Zn and ZnO 

 Ca(\^, (\i(()H),. CaCO. 

 ("ement Dust 



/ilie Keliue 

 Carbid I'ac 

 PurtlaiKlCe 



:t Works 



( '( L 

 (CO) 



ll,( 



8(L with 



(.<<)., and) 



1 1. .SO, 



ICI 



11 F 



Si !•', 

 ILSiF 



Nitric and 



NiirosAcid.- 



II,S 



(CS.,) 



NH.. 



(Arain Base^s. 

 Ammonia Salts ) 



Cvanids 

 Khodani.l^ 



Ktlier and 



Hen/.in 

 Imumcs, etc. 



( — ) 

 1.7 



(-) 



(Manufacture of 



(Manufacture of/ 

 (IManufacture / I 



