1.   The Group Occupational Hygienist has responsibility for monitoring the environment and policing systems to comply with the policy objectives.

2.   And how does government police the system?

3.   And Avery said many colleges policed the system by sending lists of the students admitted early to their competitors.

4.   Despite the hundreds of billions of dollars in federal expenditures involved, responsibility for policing the system is turned over to dozens of independent contractors.

5.   If lawmakers tinker with drug pricing formulas, this whistle-blower law, with all its pros and cons, is likely to be how the government polices the system.

6.   Some people expressed doubts whether Napster would be able to effectively police its system.

7.   Napster has tried to comply with an injunction ordering it to police its system closely for infringing files, only to produce mild results.

8.   Napster officials continue to disagree with the recording industry about the burdens the company must bear in policing its system for unauthorized content.

9.   The number of songs being traded through Napster Inc. has dropped sharply since the company began policing its system for unauthorized songs, a research firm reported Thursday.

10.   The interior ministry, which in theory polices the system, appears to have little confidence in those to whom licences have been granted.