View source for 801.2 Laboratory Testing Guidelines for Sec 801

This article establishes procedures for Laboratory testing and reporting samples of liquid fertilizer. Refer to [http://www.modot.org/business/standards_and_specs/SpecbookEPG.pdf#page=12 Sec 801] for MoDOT’s specifications.

==801.2.1 Sample Procedure==
Samples of these materials as received in the Laboratory shall be thoroughly mixed and a representative sample taken.

==801.2.2 Testing Procedure==

Liquid fertilizer shall be tested according to the following methods:

:a) Nitrogen (N) in liquid form, [[106.3.2.29 TM-29, Determination of Nitrogen in Liquid Fertilizers|MoDOT Test Method TM29]]

:b) Phosphoric Acid (P205) in liquid form - AOAC, seventh edition 1950, gravimetric method, Sec. 2.8 - 2.10

:c) Potash (K20) in liquid form, [[106.3.2.28 TM-28, Determination of Potash in Fertilizer|MoDOT Test Method TM28]].

All test data and calculations shall be recorded in Laboratory workbooks. Test results shall then be recorded through AASHTOWARE Project (AWP).

==801.2.3 Sample Record==

The sample record shall be completed in AASHTOWARE Project (AWP), as described in [[:Category:101 Standard Forms#Sample Record, General|AWP MA Sample Record, General]], and shall indicate acceptance, qualified acceptance or rejection. Appropriate remarks, as described in [[106.20 Reporting|EPG 106.20 Reporting]], are to be included in the remarks to clarify conditions of acceptance or rejection. Test results shall be reported on the appropriate template under the Tests tab.

[[Category:801 Lime and Fertilizer]]