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foos safety pathogen e, e., coli, growing, agar plate, bacteria, biotechnology, culture, health, inspection

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food safety pathogen e, e., coli, growing, agar plate, plate., bacteria, biotechnology, culture, health

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collection, water sample, chemical analysis, water, sampling, test, analysis, chemical, bacterial, chemistry

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sampling containers, collecting, coliforms, chemicals, water, long, exposure., sampling, test, analysis

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water sampling, coliform bacteria, river, water, sampling, test, analysis, chemical, bacterial, chemistry

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sampling containers, collecting, coliforms, chemicals, water, long, exposure., sampling, test, analysis

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sampling containers, collecting, chemicals, water, long, exposure., sampling, test, analysis, chemical

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