To be listed as certified, laboratories must achieve an average score of 80% or greater in the Iowa program of the NAPT Soil Testing Proficiency Program. If laboratories do not get greater than 80% for a given quarter, - NAPT - Document - PDFSEARCH.IO

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	To be listed as certified, laboratories must achieve an average score of 80% or greater in the Iowa program of the NAPT Soil Testing Proficiency Program. If laboratories do not get greater than 80% for a given quarter, Add to Reading List Document Date: 2013-12-11 14:43:40 Open Document File Size: 189,00 KB Share Result on Facebook City Ankeny / / Company Land Stewardship / / / Facility Henry A. Wallace Building / / IndustryTerm equal opportunity employer / / Organization Iowa Department of Agriculture / / / Position Laboratory Bureau Chief / / ProvinceOrState Iowa / / SocialTag Soil test PH Iowa Phosphorus Soil Chemistry Acid-base chemistry Equilibrium chemistry

To be listed as certified, laboratories must achieve an average score of 80% or greater in the Iowa program of the NAPT Soil Testing Proficiency Program. If laboratories do not get greater than 80% for a given quarter,Add to Reading List