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.
For a new laboratory study, write down a very brief. introduction to the study, and list the objectives. If you have a specific hypothesis, write it down. The object is. to make it completely clear what you intend to do. Record everything you do in the lab, even if you are following a published procedure.