[Code of Federal Regulations]
[Title 40, Volume 31]
[Revised as of July 1, 2007]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR1048.350]

[Page 575-576]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 1048_CONTROL OF EMISSIONS FROM NEW, LARGE NONROAD 
SPARK-IGNITION ENGINES--Table of Contents
 
                Subpart D_Testing Production-line Engines
 
Sec.  1048.350  What records must I keep?

    (a) Organize and maintain your records as described in this section. 
We may review your records at any time.
    (b) Keep paper records of your production-line testing for one full 
year after you complete all the testing required for an engine family in 
a model year. You may use any additional storage formats or media if you 
like.
    (c) Keep a copy of the written reports described in Sec.  1048.345.

[[Page 576]]

    (d) Keep the following additional records:
    (1) A description of all test equipment for each test cell that you 
can use to test production-line engines.
    (2) The names of supervisors involved in each test.
    (3) The name of anyone who authorizes adjusting, repairing, 
preparing, or modifying a test engine and the names of all supervisors 
who oversee this work.
    (4) If you shipped the engine for testing, the date you shipped it, 
the associated storage or port facility, and the date the engine arrived 
at the testing facility.
    (5) Any records related to your production-line tests that are not 
in the written report.
    (6) A brief description of any significant events during testing not 
otherwise described in the written report or in this section.
    (7) Any information specified in Sec.  1048.345 that you do not 
include in your written reports.
    (e) If we ask, you must give us projected or actual production 
figures for an engine family. We may ask you to divide your production 
figures by maximum brake power, displacement, fuel type, or assembly 
plant (if you produce engines at more than one plant).
    (f) Keep a list of engine identification numbers for all the engines 
you produce under each certificate of conformity. Give us this list 
within 30 days if we ask for it.
    (g) We may ask you to keep or send other information necessary to 
implement this subpart.

[67 FR 68347, Nov. 8, 2002, as amended at 70 FR 40476, July 13, 2005]