[Code of Federal Regulations]
[Title 40, Volume 8]
[Revised as of July 1, 2007]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR61.185]

[Page 143-144]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 61_NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS
--Table of Contents
 
  Subpart P_National Emission Standard for Inorganic Arsenic Emissions 
    From Arsenic Trioxide and Metallic Arsenic Production Facilities
 
Sec. 61.185  Recordkeeping requirements.

    (a) Each owner or operator of a source subject to the provisions of 
this subpart shall maintain at the source for a period of at least 2 
years the following records: All measurements, including continuous 
monitoring for

[[Page 144]]

measurement of opacity; all continuous monitoring system performance 
evaluations, including calibration checks and adjustments; all periods 
during which the continuous monitoring system or monitoring device is 
inoperative; and all maintenance and repairs made to the continuous 
monitoring system or monitoring device.
    (b) Each owner or operator shall maintain at the source for a period 
of at least 2 years a log for each plant department in which the 
operating status of process, conveying, and emission control equipment 
is described for each shift. For malfunctions and upsets, the following 
information shall be recorded in the log:
    (1) The time of discovery.
    (2) A description of the malfunction or upset.
    (3) The time corrective action was initiated.
    (4) A description of corrective action taken.
    (5) The time corrective action was completed.
    (6) A description of steps taken to reduce emissions of inorganic 
arsenic to the atmosphere between the time of discovery and the time 
corrective action was taken.
    (c) Each owner or operator subject to the provisions of this subpart 
shall maintain for a period of a least 2 years records of 6-minute 
average opacity levels for each separate control device.
    (d) Each owner or operator subject to the provisions of Sec. 61.186 
shall maintain for a period of at least 2 years records of ambient 
inorganic arsenic concentrations at all sampling sites and other data 
needed to determine such concentrations.