#TSWP Table 7.2  
#The Number of Units of Penicillin Present After Storage at 25°C. 
#Penicillin Units Are Proportional to the Concentration of Penicillin;
#
#Time (weeks)		Penicillin units*
0				10100
1.00				8180
2.00				6900
3.00				5380
4.00				4320
5.00				3870
7.00				2190
8.00				2000
9.00				1790
10.00				1330
11.00				1040
12.00				898
13.00				750
14.00				572
15.00				403
16.00				403
17.00				314
18.00				279
19.00				181
20.00				167