First conditional or conditional I refers to a pattern used in predictive conditional sentences, i.e. those that concern consequences of a probable future event (see Types of conditional sentence).irst conditional or conditional I refers to a pattern used in predictive conditional sentences, i.e. those that concern consequences of a probable future event (see Types of conditional sentence).
Each federal agency is required to have blind samples (i.e., negative samples, positive samples, 1  adulterated samples, substituted samples) submitted along with the donor specimens. The. blind samples may be purchased by the federal agency and supplied to the collector, or.
Specimen Type Describes the specimen type needed for testing. Specimen Required Defines the optimal specimen. This field describes the type of specimen required to perform the test and the preferred volume to complete testing. The volume allows automated processing, fastest throughput and, when indicated, repeat or reflex testing. Collection Instructions: Send specimen in original tube.