{"data":{"id":"us/40-cfr-appendix-xii-to-part-86","jurisdiction":"us","citation":"40 CFR Appendix XII to Part 86","heading":"Appendix XII to Part 86—Tables for Production Compliance Auditing of Heavy-Duty Engines and Heavy-Duty Vehicles, Including Light-Duty Trucks","body":"Table 1—Compliance Level Determination Using the Primary PCA Sampling Plan\nCompliance level 2\nPCA test sample size.1\n24 15\n25 15\n26 16\n27 17\n28 17\n29 18\n30 18\n31 19\n32 20\n33 20\n34 21\n35 21\n36 22\n37 23\n38 23\n39 24\n40 24\n41 25\n42 26\n43 26\n44 27\n45 27\n46 28\n47 29\n48 29\n49 30\n50 30\n51 31\n52 32\n53 32\n54 33\n55 33\n56 34\n57 35\n58 35\n59 36\n60 36\n1 Including the number of SEA tests if applicable.\n2 Is the test result of the sequence number: (The lowest test result is sequence No. 1).\nTable 2—Values of K for the Reduced Fixed PCA Sampling Plan\nValue of K\nSample size:\n3 1.602\n4 1.114\n5 0.895\n6 0.764\n7 0.674\n8 0.608\n9 0.555\n10 0.513\n11 0.478\n12 0.448\n13 0.422\n14 0.399\n15 0.379\n16 0.360\n17 0.343\n18 0.328\n19 0.314\n20 0.301\n21 0.289\n22 0.277\n23 0.266\nTable 3—Values of K for the Reduced Sequential PCA Sampling Plan\nValue of K\nSample size:\n4 1.671\n8 0.912\n12 0.672\n16 0.540\n20 0.451","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 86—CONTROL OF EMISSIONS FROM NEW AND IN-USE HIGHWAY VEHICLES AND ENGINES"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"a812a0abe423a05dcaa415d9c82f0b41aba7e644109244471601940d9202d9d3","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-appendix-xi-to-part-86","next":"us/40-cfr-87.1"},"notice":"GroundRules: Original legal text. Not legal advice."}