Inorganics - Soil PTProficiency TestingSoil PTs

Sulfide in Soil #SPEI-018

$144.00

Supplied as a fortifying spike and a blank soil to be analyzed for Sulfide. read more

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Catalog Number:
SPEI-018
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SM-140, SM-141, SM-142, SM-143

Soil Proficiency Test Schedule

2024 SM Soil PT Study Schedule
Study Number Study Opens Study Closes
SM-140 Feb. 6, 2024 March 21, 2024
SM-141 March 26, 2024 May 9, 2024
SM-142 Aug. 20, 2024 Oct. 3, 2024
SM-143 Oct. 21, 2024 Dec. 4, 2024