952 resultados para Cleaning procedures


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Urban Mass Transportation Administration, Washington, D.C.

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Federal Highway Administration, Environmental Division, Washington, D.C.

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National Highway Traffic Safety Administration, Washington, D.C.

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"EPA contract no. 68-C8-0062, Work assignment no. 3-48, SAIC project no. 01-0895-03-1000."

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"7-day standard reference toxicity test using larval pimephales promelas; 24-hour rangefinding test using daphnia magna or daphnia pulex; 96-hour acute toxicity test using larval pimephales promelas ... ."

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