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Acts of 1908, Chapter 570. 
HEATED MILK. 
Section 1. Whoever, himself or by his servant or agent, or as the servant 
or agent of any person, firm, or corporation, sells, exchanges, or delivers, or 
has in his custody or possession with intent to sell, exchange, or deliver any 
milk which has been subjected to artificial heat greater than one hundred and 
sixty-seven degrees Fahrenheit, not having the words “ heated milk ” distinctly 
marked upon a light ground in plain black uncondensed gothic letters at least 
one inch in length, in a conspicuous place upon every vessel, can, or package 
from or in which such milk is, or is intended to be, sold, exchanged, or delivered 
shall for a first offense be punished by a fine of not less than fifty nor more than 
two hundred dollars, for a second offense by a fine of not less than one hundred 
nor more than three hundred dollars, and for a subsequent offense by a fine of 
fifty dollars and by imprisonment for not less than sixty nor more than ninety 
days. If such vessel, can, or package is of the capacity of not more than two 
quarts, said words may be placed upon a detachable label or tag attached 
thereto, and said letters may be less than one inch in length, but not smaller 
than brevier gothic capital letters. 
Sec. 2. Nothing in this act shall be construed as applying to condensed milk, 
or to milk which has been concentrated to one-half its volume or less. 
Chicago.— The following rules, regulating the pasteurization of 
milk and milk products, have been adopted by Dr. W. A. Evans, 
commissioner of health of the city of Chicago : 
RULES REGULATING THE PASTEURIZING OF MILK AND MILK PRODUCTS. 
The following rules shall regulate the pasteurizing of milk and milk products 
offered for sale, exposed for sale, or kept with the intention of selling within 
the city of Chicago, after January 1, A. D. 1909 : 
Rule 1. Milk and skimmed milk. — Milk and skimmed milk shall not con- 
tain more than 100,000 bacteria per cubic centimeter from May 1 to Septem- 
ber 30, and not over 50,000 bacteria per cubic centimeter between October 1 
and April 30. 
Rule 2. Cream and ice cream. — Cream and ice cream shall not contain more 
than 200,000 bacteria per cubic centimeter from May 1 to September 30, and 
not over 100,000 bacteria per cubic centimeter between October 1 and April 30. 
Rule 3. Milk, skimmed milk, buttermilk, cream, and ice cream. — An origi- 
nal package of pasteurized milk, skimmed milk, buttermilk, cream, or ice. 
cream, exposed to the temperature of the room for forty-eight hours and 
stoppered with a sterile cotton plug, shall not show evidences of putrefaction, 
after being so exposed. 
Rule 4. Skimmed milk and ice cream. — Skimmed milk and ice cream shall 
give a negative test when treated in the following manner : 
To 5 c. c. of the pasteurized product add two drops of a 2 per cent solution 
of paraphenylenediamin, and one drop of a 2 per cent solution of hydrogen 
peroxide, and agitate. Not more than a tinge of blue shall be obtained by this 
test within thirty seconds after mixing. 
Rule 5. Butter. — Butter shall respond to the following test : 
Twenty-five grams of pasteurized butter placed in a small beaker and heated 
by being placed in water at 60° C., the clear butter fat then poured off and 
the remaining liquid then diluted with an equal volume of water. The mixture 
