(see attached scope of accreditation for fields of testing and accredited test methods)Print Date: 01/04/2010Page 1 of 4This is to signify thatNTA, INC.257 EAST RANDOLPH STREETNAPPANEE, INDIANA 46550Testing Laboratory TL-259(Revised January 4, 2010)has met the requirements of the IAS Accreditation Criteria for Testing Laboratories (AC89),has demonstrated compliancewith ANS/ISO/IEC Standard 17025:2005,General criteria for the competenceof testing and calibration laboratories, andhas been accredited, commencing August 17, 2009, for the testmethods listed in the approved scope of accreditation.Patrick V. McCullen C. P. Ramani, P.E.Vice President PresidentNTA, Inc. TL-259(Revised January 4, 2010)August 17, 2009Commencement Date C. P. Ramani, P.E.PresidentPrint Date: 01/04/2010Page 2 of 4NTA, Inc.Dale Arter257 E Randolph StDirector of TestingNappanee, IN 46550(574) 773-7975FIELDS OF TESTING ACCREDITED TEST METHODSAdhesivesASTM Standards C 557, D 903, D 905, D 1002, D 1084 (Method A only), D1101, D 1876, D 2294, D 2559, D 3024 (except Sections 12.2 and 12.3), D3930, and D 4317 (except Sections 9.1.2,9.1.3, 9.1.4, 10.3.1, 10.3.3.1,10.3.3.5 and 10.3.3.6); APA AFG-01; Test methods referenced in Sections 5.0,6.0, 7.0 and 8.0 of ICC-ES Acceptance Criteria AC05FastenersASTM Standards D 1761, E 489 and E 767; TPI 1; CSA S347; Test methodsreferenced in Section 3.0 of ICC-ES Acceptance Criteria AC13Gypsum wallboardASTM Standards C 36, C 473 (except Sections 8, 9 and 21), C 1177 (TestingOnly), C 1264 and C 1396 (Testing Only)NTA, Inc. TL-259(Revised January 4, 2010)August 17, 2009Commencement Date C. P. Ramani, P.E.PresidentPrint Date: 01/04/2010Page 3 of 4FIELDS OF TESTING ACCREDITED TEST METHODSPlastics, plastic lumber and compositelumberASTM Standards D 570, D 638, D 648, D 696, D 790, D 882, D 1413, D 1621,D 1622, D 1623 (Type B only), D 2017,D 2240, D 2990, D 3345, D 6108, D6109, D 6111, D 6112, D 6117, D 6341 and D 6435; Test methods referencedin Sections 3.0 and 5.0 of ICC-ES Acceptance Criteria AC174 (except Section3.10); AWPA E1-06Structural assembliesASTM Standards C 271, C 272, C 273, C297, C 364, C 365, C 393, D 143, D198, D 1037 (except Sections 22, 25, 26 and Part B, Sections 34-36), D 3737,D 5206, D 5456, D 5764 (LVL Testing), E 72 (except Section 10), E 283, E330, E 331, E 529, E 547, E 564, E 661, E 779, E 1233, E 1592, E 1886, E1996 and E 2127; Florida TAS 201, TAS 202 and TAS 203; Test methodsreferenced in Section 4.0 of ICC-ES Acceptance Criteria AC04, Section 4.0 ofAC14, Section 3.0 (except Sections 3.4 and 3.5) of AC47, Section 4.0 ofAC86, Section 3.0 of AC245, and Section 3.0 of AC283NTA, Inc. TL-259(Revised January 4, 2010)August 17, 2009Commencement Date C. P. Ramani, P.E.PresidentPrint Date: 01/04/2010Page 4 of 4FIELDS OF TESTING ACCREDITED TEST METHODSRoof and roof assemblies; WallassembliesASTM Standards C 165, C 203, C 578, D 146, D 226, D 828, D 4869, E 96, E2273 and E 2322; Test methods referenced in Section 4.0 of ICC-ESAcceptance Criteria AC38, Sections4.1, 4.2, 4.3, 4.6 and 4.7 of AC48,Sections 4.5 and 4.6 of AC49, Table 4.1 of AC188, Section 4.0 of AC207,Sections 4.1.2, 4.4.1 and 4.4.2 of AC266, Section 4.0 (except Section 4.3) ofAC295, Sections 4.2 thru 4.7 of AC310, and Section 4.0 of AC382Metals ASTM Standard E 8Plumbing fixtures ASTM Standards C 627, F 462 and F 1678Wood and wood products ASTM Standards D 5582 and E 1333Paper, paper board and pulp TAPPI Standards T-410 and T-411Paints, varnishes and coatingsASTM Standards D 1475, D 2369, D 4017, D 4457, D 6886; ISO Standards760, 1513, 2811-1, 11890-2 (Part 2) and 15528