202 PRACTICAL DIRECTIONS FOR DISINFECTION. 



(6) In privy vaults : 



1. Mercuric chloride in solution, 1: 500. 1 



2. Carbolic acid in solution, five per cent. 



(c) For the disinfection and deodorization of the surface of masses of or- 

 ganic material in privy vaults, etc. : 



Chloride of lime in powder. 



FOR CLOTHING, BEDDING, ETC. 



(a) Soiled underclothing, bed linen, etc. : 



1. Destruction by fire, if of little value. 



2. Boiling for at least half an hour. 



3. Immersion in a solution of mercuric chloride of the strength of 



1 : 2,000 for four hours. 



4. Immersion in a two-per-cent solution of carbolic acid for four hours. 

 (6) Outer garments of wool or silk, and similar articles, which would be 



injured by immersion in boiling water or in a disinfecting solution: 



1. Exposure in a suitable apparatus to a current of steam for ten min- 



utes. 



2. Exposure to dry heat at a temperature of 110 C. (230 F.) for two- 



hours. 



(d) Mattresses and blankets soiled by the discharges of the sick: 



1. Destruction by fire. 



2. Exposure to superheated steam, 105 C. (221 F.), for ten minutes. 



(Mattresses to have the cover removed or freely opened.) 



3. Immersion in boiling water for half an hour. 



FURNITURE AND ARTICLES OF WOOD, LEATHER, AND PORCELAIN. 



Washing, several times repeated, with 

 1. Solution of carbolic acid, two per cent. 



FOR THE PERSON. 



The hands and general surface of the body of attendants of the sick, and 

 of convalescents, should be washed with 



1. Solution of chlorinated soda diluted with nine parts of water, 1 : 10. 



2. Carbolic acid, two-per-cent solution. 



3. Mercuric chloride, 1 : 1,000. 



FOR THE DEAD. 



Envelop the body in a sheet thoroughly saturated with 



1. Chloride of lime in solution, four per cent. 



2. Mercuric chloride in solution, 1 : 500. 



3. Carbolic acid in solution, five per cent. 



FOR THE SICK-ROOM AND HOSPITAL WARDS. 



(a) While occupied, wah all surfaces with 



1. Mercuric chloride in solution, 1: 1,000. 



2. Carbolic acid in solution, two per cent. 



(6) When vacated, fumigate with sulphur dioxide for twelve hours, burn- 

 ing at least three pounds of sulphur for every thousand cubic feet of air 

 space in the room; then wash all surfaces with one of the above-mentioned 

 disinfecting solutions, and afterward with soap and hot water; finally throw 

 open doors and windows, and ventilate freely. 



1 The addition of an equal quantity of potassium permanganate as a deodorant, 

 and to give color to the solution, is to be recommended. [The writer no longer in- 

 dorses this recommendation. See his paper on " The Disinfection of Excreta," ap- 

 pended.] 



