Without a spotless lab in which to work, the risk of cross-contamination is likely making good housekeeping almost as important to your work as the study itself.   Equipment is often one of the biggest outlays in a lab so taking adequate care of what you is an added bonus.

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A measuring instrument is any tool that weighs, counts, or measures quantitative characteristics of a sample.  This can range from balances and scales to pipettors or pH meters.  These tools must be regularly assessed with calibration to make sure they are measuring accurately.

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Chemical fume hoods, when used properly, are one of the most reliable engineering controls in the laboratory.  Fume hood certification is necessary to ensure that hoods are preforming adequately to contain hazardous chemical vapors and gases.  Fume hoods must be certified annually by the Office of Research Safety Affairs.

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