Standards and Test Methods To Access the Download section of Standards and Test Methods Documents, click on the Document below and provide your basic information. List of Documents NALFA LF-01 Specifications & Test Methods_03-12-2019 NALFA LF-02 Sustainability Standards_03-12-19 NALFA LF-03 Underlayment Specifications & Test Methods_2018 Example- NALFA Surface Swell Worksheet_08-01-2019 NALFA Surface Water Test_08-01-2019
