[Code of Federal Regulations]
[Title 46, Volume 1]
[Revised as of Octobery 1, 2004]
From the U.S. Government Printing Office via GPO Access
[CITE: 46CFR39.40-1]

[Page 507-508]
 
                           TITLE 46--SHIPPING
 
         CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY
 
PART 39_VAPOR CONTROL SYSTEMS--Table of Contents
 
Subpart 39.40_Lightering and Topping-Off Operations with Vapor Balancing
 
Sec. 39.40-1  General requirements for vapor balancing-TB/ALL.


    (a) Except as provided in paragraph (b) of this section, each vessel 
which uses vapor balancing while conducting a lightering or topping-off 
operation

[[Page 508]]

must meet the requirements of this subpart in addition to the 
requirements of subparts 39.10, 39.20, and 39.30 of this part.
    (b) An arrangement to control vapor emissions during a lightering or 
topping-off operation which does not use vapor balancing must receive 
approval from the Commandant (G-MSO).
    (c) A vapor balancing operation must not use a compressor or blower 
to assist vapor transfer without approval from the Commandant (G-MSO).
    (d) Vapor balancing is prohibited when the cargo tanks on a vessel 
discharging cargo are inerted and the cargo tanks on a vessel receiving 
cargo are not inerted.
    (e) A vessel which intends to engage in a lightering or topping-off 
operation while collecting cargo vapor from other than crude oil, 
gasoline, or benzene must receive specific approval from the Commandant 
(G-MSO).

[CGD 88-102, 55 FR 25446, June 21, 1990; 55 FR 39270, Sept. 26, 1990, as 
amended by CGD 95-072, 60 FR 50462, Sept. 29, 1995; CGD 96-041, 61 FR 
50727, Sept. 27, 1996]