Usage Measurement Usage measurement for calls shall begin when answer supervision or equivalent Signaling System 7 (SS7) message is received from the terminating office and shall end at the time of call disconnect by the calling or called subscriber, whichever occurs first.
Thresholds The threshold of a sample to constitute a positive result alcohol, drugs, or their metabolites is contained in the standards of one of the programs listed in MN Statute §181.953, subd 1. The employer shall, not less than annually, provide the unions with a list or access to a list of substances tested for under this LOA and the threshold limits for each substance. In addition, the employer shall notify the unions of any changes to the substances being tested for and of any changes to the thresholds at least thirty (30) days prior to implementation.
Demographics Obtain demographic information including age, race, ethnicity, and sex.