Inorganics - Soil PT,  Proficiency Testing,  Soil PTs

TPH in Soil #SPEI-140

Supplied as a 50 gram sample for determination of non-polar extractable material (TPH) in the range of 300-3000 mg/kg. read more

This product is available for purchase on our new website at zeptometrix.com.

Order online today or call our team at +1.800.274.5487.
Catalog Number:
SPEI-140
Choose Study

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

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