Ohio Admin. Code 3745-81-89 - Analytical methods
(A) Analyses for pH, conductivity, calcium,
alkalinity, orthophosphate, silica and temperature shall be performed using
analytical methods as specified in rule
3745-81-27 of the Administrative
Code.
(B) Analyses for lead and
copper shall be performed using analytical methods as specified in rule
3745-81-27 of the Administrative
Code and shall only be conducted by laboratories certified by the director and
meet all requirements specified in rule
3745-89-03 of the Administrative
Code. Laboratories performing these analyses shall do
the following :
(1) Achieve the method
detection limit (MDL ) for lead of 0.001 milligrams per liter according to the
procedures in rule
3745-89-03 of the Administrative
Code. This need only be accomplished if the laboratory will be processing
source water at the entry point to the distribution system composite samples
under paragraph (A)(1)(d) of rule
3745-81-88 of the Administrative
Code.
(2) Use the practical
quantitation level (PQL) for lead of 0.005 milligrams per liter.
(3) Use the PQL for copper of 0.050
milligrams per liter.
(4)
Complete analysis of lead or copper sample not later
than thirty business days after receipt of the sample.
(C) The director may allow the use
of previously collected monitoring data for purposes of monitoring if the data
were collected and analyzed in accordance with the requirements of this
rule.
(D) All lead and copper
levels measured between the PQL and MDL , as specified in paragraph (B) of this
rule, must be reported as measured. Any samples below the MDL shall be reported
as zero.
Notes
Promulgated Under: 119.03
Statutory Authority: 6109.121, 6109.04
Rule Amplifies: 6109.121, 6109.04
Prior Effective Dates: 09/13/1993, 10/17/2003, 07/24/2009, 05/01/2018
Promulgated Under: 119.03
Statutory Authority: 6109.121, 6109.04
Rule Amplifies: 6109.121, 6109.04
Prior Effective Dates: 9/13/93, 10/17/03, 7/24/09
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