law: Water (Prevention and Control of Pollution) Act, 1974
  22. Reports of Result of Analysis on Samples taken Under Section 21.
  
  (1) Where a sample of any sewage or trade
  
  effluent has been sent for analysis to the laboratory established or recognized
  
  by the Central Board or, as the case may be, the State Board, the concerned
  
  Board analyst appointed under sub-section (3) of section 53 shall analysis the
  
  sample and submit a report in the prescribed form of the result of such
  
  analysis in triplicate to the Central Board or the State Board as the case may
  
  be.
  (2) On receipt of the report under sub-section
  
  (1), one copy of the report shall be sent by the Central Board or the State
  
  Board, as the case may be, to the occupier or his agent referred to in section
  
  21, another copy shall be preserved for production before the court in case any
  
  legal proceedings are taken against him and the other copy shall be kept by the
  
  concerned Board.
  (3) Where a sample has been sent for analysis
  
  under clause (e) of sub-section (3) or sub-section (4) of section 21 to any
  
  laboratory mentioned therein, the Government analyst referred to in that
  
  sub-section shall analyze the sample and submit a report in the prescribed form
  
  of the result of the analysis in triplicate to the Central Board or, as the
  
  case may be, the State Board which shall comply with the provisions of
  
  sub-section (2).
  (4) If there is any inconsistency or
  
  discrepancy between, or variation in the results of, the analysis carried out
  
  by the laboratory established or recognized by the Central Board or the State
  
  Board, as the case may be, and that of the laboratory established or specified
  
  under section 51 or section 52, as the case may be, the report of the latter
  
  shall prevail.
  (5) Any cost incurred in getting any sample
  
  analyzed at the request of the occupier or his agent shall be payable by such
  
  occupier or his agent and in case of default the same shall be recoverable from
  
  him as arrears of land revenue or of public demand.