Detectives are promoted from the officer rank after a probationary period on the force. Some officers work a beat for some period of time before being promoted to detective, while others remain uniformed officers for the duration of their career.
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In this study, ACB Bio-Chelate 5 PF (code 20339PF) was tested to evaluate its effects on the viability of normal human dermal fibroblasts (NDHF). At concentrations of both 0.1% and 0.01% ACB Bio-Chelate 5 PF (code 20339PF), nor the preservatives contained therein exhibited any inhibition of cell viability.