For the purposes of this title:
1.  The  term  "used  oil"  means all petroleum-based lubricating oils
  which have  through  use  been  contaminated  by  physical  or  chemical
  impurities which have not been removed by subsequent rerefining;
2.  The  term "rerefined oil" means used oil which has been refined to
  remove the physical and  chemical  contaminants  so  that  it  shall  be
  suitable  for  lube  stock  or  fuel  oil acquired through use, which by
  itself or when blended  with  new  oil  or  additives  is  substantially
  equivalent  or  superior  to  new oil intended for the same purposes, as
  specified  in  the  American  Petroleum   Institute's   engine   service
  classifications;
3. The term "new oil" means all oil which has been refined from virgin
  oil  and  may or may not contain additives, but has never been used, and
  does not include used oil or rerefined oil;
4. The term "lubricating oil" means all petroleum-based oil which:
a. is suitable for use as a lubricant, or
b. is sold for use as a lubricant, and
c. is not consumed in normal use;
5. The  term  "fuel  oil"  means  all  oil  which  has  been  refined,
  rerefined,  or  otherwise  processed  for the purpose of being burned to
  produce heat;
6.  The  term  "on-premises  oil   changing   operation"   means   any
  establishment that drains or collects used oil and replaces the used oil
  with new or rerefined lubricating oil;
7.  The  term  "service  establishment" means every automobile service
  station including gas only outlets and any other retail outlet and  boat
  marina selling at least five hundred gallons of lubricating oil annually
  and having an on-premises oil changing operation;
8.  The  term  "used  oil  collector"  means  any waste transporter as
  defined in title three of  article  twenty-seven  of  this  chapter  who
  controls  a  system  which functions to retrieve or collect used oil for
  sale or transfer to oil rerefining facilities, or for other  methods  of
  disposal, but shall not include service establishments;
9.  The  term  "rerefiner"  means any person who rerefines used oil to
  remove its physical and chemical contaminants; and
10. The term  "disposal"  means  the  discharge,  deposit,  injection,
  dumping,  spilling,  leaking  or  placing of any used oil into or on any
  land or water so that such used oil or any related  constituent  thereof
  may  enter the environment or be emitted into the air or discharged into
  any waters of the state including groundwaters thereof.  Disposal  shall
  include the incineration of used oil and the burning of used oil for the
  purpose of recovering usable energy.
11.  The  term  "retail  establishment"  means every vendor that sells
  lubricating oil at retail  in  quantities  in  excess  of  one  thousand
  gallons per year.
Structure New York Laws
ENV - Environmental Conservation
Article 23 - Mineral Resources
Title 23 - Rerefining of Used Oil
23-2303 - Official Encouragement for the Use of Rerefined Oil.
23-2305 - Regulations of the Commissioner.
23-2307 - Used Oil Retention Facilities Required; Installation and Maintenance; Posting of Notice.