Common use of Nutrient medium Clause in Contracts

Nutrient medium. Formulation and sterilization of nutrient medium used for algal culture and preparation of test solutions should conform to those currently recommended by the U.S. EPA for freshwater and marine algal bioassays. No chelating agents are to be included in the nutrient me- dium used for test solution prepara- tion. Nutrient medium should be fresh- ly prepared for algal testing and may be dispensed in appropriate volumes in test containers and sterilized by autoclaving or filtration. The pH of the nutrient medium shall be 7.5 (±0.1) for Selenastrum and 8.1 (±0.1) for Skeletonema at the start of the test and may be adjusted prior to test chemical addition with 0.1N NaOH or HC1.

Appears in 6 contracts

Samples: Testing Consent Agreements and Test Rules, Testing Consent Agreements and Test Rules, Testing Consent Agreements and Test Rules

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