Common use of SAMPLE HOLDING TIME Clause in Contracts

SAMPLE HOLDING TIME. All samples shall be analyzed by Contractor as soon as possible after submission by County. The times listed are the maximum times that samples may be held before analysis and still considered valid. Samples may be held longer only if Contractor can show by historical data that samples with the specific matrix under consideration are stable longer than listed below. County may request "rush" analyses where the maximum sample holding times do not apply. Maximum Holding Time Aqueous toxicity samples 36 hours Sediment toxicity samples 14 days Chemist shall refrigerate samples when required by EPA standard methods.