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Passive Samplers for Investigations of Air Quality
Reusable sorbent cartridges require cleaning and certification to prevent chemical carryover from previous sampling events. Samplers can be batch-certified (5
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7 CFR 75.42 - Sampling and sealing.
(b) When onsite inspection services are performed by Federal employees at the request of the applicant, charges will be based on the formulas in 75.41.
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U Sampling Manual - Agricultural Marketing Service
The necessary information for inspection of a lot must be recorded on the Application for. Inspection and Certificate of Sampling, Form SC-356 which may be
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