#5674_2016_1201_TS_FINAL

INSPECTION REPORT ROUTING SHEET
To be attached to all inspection reports in-house only.
Laboratory Cert. #:
5674
Laboratory Name:
M&M Water and Wastewater Services
Inspection Type:
Field Commercial Initial
Inspector Name(s):
Tonja Springer
Inspection Date:
December 1, 2016
Date Forwarded for Initial
Review:
January 10, 2017
Initial Review by:
Jason Smith
Date Initial Review
Completed:
January 11, 2017
Cover Letter to use:
® Insp. Initial
❑Insp. No Finding
❑Corrected
❑ Insp. Reg
❑Insp. CP
❑Insp. Reg. Delay
Unit Supervisor/Chemist III:
Todd Crawford
Date Received:
January 18, 2017
Date Forwarded to Admin.:
January 30, 2017
Date Mailed:
February 2, 2017
Special Mailing Instructions:

Water Resources
ENVIRONMENTAL QUALITY
February 1, 2017
5674
Mr. Dale Mathews
M&M Water and Wastewater Services
3191 Gela Road
Oxford, NC 27565
ROY COOPER
MICHEAL S. REGAN
S. JAY ZIMMERMAN
Subject: North Carolina Wastewater/Groundwater Laboratory Certification (NC WW/GW LC)
Maintenance Inspection
Dear Mr. Mathews:
Enclosed is a report for the inspection performed on December 1, 2016 by Tonja Springer. I apologize
for the delay in getting this report to you. Where Finding(s) are cited in this report, a response is
required. Within thirty days of receipt, please supply this office with a written item for item description of
how these Finding(s) were corrected. Please describe the steps taken to prevent recurrence and include
an implementation date for each corrective action. If the Finding(s) cited in the enclosed report are not
corrected, enforcement actions may be recommended. For Certification maintenance, your laboratory
must continue to carry out the requirements set forth in 15A NCAC 2H .0800.
A copy of the laboratory's Certified Parameter List at the time of the audit is attached. This list will reflect
any changes made during the audit. Copies of the checklists completed during the inspection may be
requested from this office. Thank you for your cooperation during the inspection. Ifyouwish to obtain an
electronic copy of this report by email or if you have questions or need additional information, please
contact me at [phone] ext. 251.
Sincerely,
Todd Crawford
Technical Assistance & Compliance Specialist
NC WW/GW Laboratory Certification Branch
Attachment
cc: Dana Satterwhite, Tonja Springer, Master File#5674

LABORATORY NAME: M&M Water and Wastewater Services
NPDES PERMIT #: NC0089010 and NC0056278
WATER QUALITY PERMIT #: WQ0024320, WQ0002015 and WQ0004410
ADDRESS: 3191 Gela Road
Oxford, NC 27565
CERTIFICATE : 5674
DATE OF INSPECTION: December 1, 2016
TYPE OF INSPECTION: Field Commercial Initial
AUDITOR(S): Tonja Springer
LOCAL PERSON(S) CONTACTED: Dale Mathews, Nancy Mathews, Andrew Mathews and Butch
Mashburn
INTRODUCTION:
This laboratory was inspected by a representative of the North Carolina Wastewater/Groundwater
Laboratory Certification (NC WW/GW LC) program to verify its compliance with the requirements
of 15A NCAC 2H .0800 for the analysis of environmental samples.
GENERAL COMMENTS:
The facility has all the equipment necessary to perform the analyses. Records are well
organized and easy to retrieve. Staff were forthcoming and seemed eager to adopt necessary
changes.
All required Proficiency Testing (PT) samples have been analyzed for the 2016 PT calendar year
and the graded results were 100% acceptable.
Contracted analyses are performed by Meritech, Inc. (Certification # 165).
Current Quality Assurance Policies for Field Laboratories and Approved Procedure documents
for the analysis of the facility's currently certified Field Parameters were provided at the time of
the inspection.
III. FINDINGS, REQUIREMENTS, COMMENTS AND RECOMMENDATIONS:
Documentation
Comment: Date Received, Date Opened (in use) and Expiration Dates are not being
documented for pH buffers and Total Residual Chlorine (TRC) DPD liquid reagents. The NC
WW/GW LC Quality Assurance Policies for Field Laboratories document states: All chemicals,
reagents, standards and consumables used by the laboratory must have the following information
documented: Date Received, Date Opened (in use), Vendor, Lot Number, and Expiration Date.

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Notification of acceptable corrective action (i.e., an updated benchsheet that included the
documentation of the date received, date opened and expiration dates with an implementation
date of December 21, 2016 for NC0056278 and January 4, 2017 for WQ0024320 and a
statement that the benchsheets that were supplied by the auditor that include all traceability
information will be used for all other permits in the future) was received by email on January 9,
2017, No further response is necessary for this Finding.
A. Finding: The laboratory was not transcribing data qualifiers from the contract laboratory
reports to the Discharge Monitoring Report (DMR).
Requirement: When quality control (QC) failures occur, the laboratory must attempt to
determine the source of the problem and must apply corrective action. Part of the
corrective action is notification to the end user. If data qualifiers are used to qualify
samples not meeting QC requirements, the data may not be useable for the intended
purposes. It is the responsibility of the laboratory to provide the client or end -user of the
data with sufficient information to determine the usability of the qualified data. Where
applicable, a notation must be made on the Discharge Monitoring Report (DMR) form in
the comment section or on a separate sheet attached to the DMR form, when any
required sample quality control does not meet specified criteria and another sample
cannot be obtained. Ref: Quality Assurance Policies for Field Laboratories.
Comment: On July 27, 2016 the BOD qualifier "GY which states no sample dilution
met the requirement of a DO depletion of at least 2.0 mg/L and/or a DO residual of at
least 1.0 mg/L, was not documented on the DMR for the Effluent results for NDPES
#NC0056278 from the Meritech, Inc. client report.
Qualitv Assurance
Comment: Manufacturer's expiration dates were exceeded on the TRC reagents that were used
for NC0056278 samples. The NC WW/GW LC Quality Assurance Policies for Field Laboratories
document states: Adherence to manufacturer expiration dates is required. Chemicals, reagents,
standards, consumables exceeding the expiration date can no longer be considered reliable.
Notification of acceptable corrective action (i.e., new TRC reagents were purchased on
December 7, 2016 and a statement that reagents will not be used past expiration dates in the
future with an implementation date of December 14, 2016) was received by email on January
18, 2017. No further response is necessary for this Finding.
Dissolved OMgen — Hach 10360-2011, Rev. 1.2 (LDO) (Aqueous)
Comment: The laboratory is using a Luminescent Dissolved Oxygen (LDO) probe, but was not
aware that NC WW/GW LC grants Certification for this technology based upon Hach Method
10360 or ASTM Method D 888-09 C. Standard Methods 4500 O G-2000 is specifically for analysis
by membrane electrode. The laboratory's Certified Parameter Listing (CPL) was amended with an
effective date of December 1, 2016 with Hach Method 10360 added and SM 4500 O G-2000
deleted. No compliance samples have been analyzed for Dissolved Oxygen.
Chlorine, Total Residual — Standard Methods, 4500 Cl G-2000 (Aqueous)
pH — Standard Methods, 4500 H+ B-2000 (Aqueous)
Temperature — Standard Methods, 2550 B-2000 (Aqueous)
Comment: Instrument identification was not documented. The NC WW/GW LC Approved
Procedure for the Analysis of Total Residual Chlorine, the NC WW/GW LC Approved Procedure
for the Analysis of pH and the NC WW/GW LC Approved Procedure for the Analysis of

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Temperature documents state: The following must be documented in indelible ink whenever
sample analysis is performed: Instrument identification. Notification of acceptable corrective action
(i.e., updated benchsheets including the instrument identification with an implementation date of
December 21, 2016 for NCO056278 and January 4, 2017 for WQ0024320 and a statement that
the benchsheets that were supplied by the auditor that include instrument identification will be
used for all other permits in the future) was received by email on January 9, 2016. No further
response is necessary for this Finding.
pH — Standard Methods, 4500 H+ B-2000 (Aqueous)
B. Finding: Values were reported that exceed the method specified accuracy of 0.1 units for
NCO056278 and WQ0024320.
Requirement: By careful use of a laboratory pH meter with good electrodes, a precision
of ±0.02 unit and an accuracy of ±0.05 unit can be achieved. However, ± 0.1 pH unit
represents the limit of accuracy under normal conditions, especially for measurement of
water and poorly buffered solutions. For this reason, report pH values to the nearest 0.1
PH unit. Ref: Standard Methods, 4500 H+ B-2000. (6).
C. Finding: Calibration verification of the pH meter with a check buffer is not performed
when samples are analyzed for WQ0002015, WQ0024320 and WQ0004410.
Requirement: The meter must be calibrated with at least two buffers. In addition to the
calibration standards, the meter must be verified with a third calibration standard. The
calibration and check standard buffer must bracket the range of the samples being
analyzed. The check standard buffer must read within a range of ± 0.1 pH units to be
acceptable. Ref: NC WW/GW LC Approved Procedure for the Analysis of pH.
Requirement: The following must be documented in indelible ink whenever sample
analysis is performed: true value for the check standard buffer and value obtained for the
check standard buffer (verification of ± 0.1 S.U.). Ref: NC WW/GW LC Approved
Procedure for the Analysis of pH.
Comment: The benchsheet supplied by the auditor on December 12, 2016 includes a
space to document the analysis of the check standard.
Chlorine, Total Residual — Standard Methods, 4500 Cl G-2000 (Aqueous)
Comment: Meter calibration was not documented on the benchsheet for WQ0024320 samples.
The NC WW/GW LC Approved Procedure for the Analysis of Total Residual Chlorine document
states: The following must be documented in indelible ink whenever sample analysis is
performed: Meter calibration time. Notification of acceptable corrective action (i.e., an updated
benchsheet that included the meter calibration time with an implementation date of January 4,
2016) was received by email January 10, 2017. No further response is necessary for this
Finding.
D. Finding: Low level chlorine samples for NCO089010 are analyzed on an instrument
(i.e., Hannah Hi 96711) that is not capable of demonstrating compliance with the permit
limit.
Requirement: The Environmental Protection Agency (EPA) and the State have
determined that in the interest of overall program equity, to ensure water quality
protection, and to comply with 15A NCAC 2B .0505 (e) (4), the Division will require all

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facilities with TRC limits to utilize instruments or methods that will produce detection and
reporting levels that are below the permit discharge requirements for TRC. If there is no
limit stated on the facility permit, you may use a pocket colorimeter or other approved
instrument. Pocket colorimeters are generally capable of analyzing down to 100 µg/L or
0.100 mg/L. Ref: Letter from North Carolina Division of Water Quality, Point Source
Branch Supervisor, Shannon Langley, to NPDES permittees, dated August 14, 2001.
Comment: Samples were analyzed at this facility from August 11, 2016 to November
2016. The laboratory no longer analyzes samples from this facility.
Comment: The meter is capable of reading TRC concentrations in the 0-5.00 mg/L
range. However, since the meter only displays 2 decimal places, compliance with the
permit limit of 17 pg/L is not demonstrated. A result of 0.018 or 0.019 mg/L (18 or 19
tag/L) would be displayed as 0.01 mg/L and falsely appear to meet permit limits.
E. Finding: The meter (i.e., Hannah HI 96711) used to analyze samples for WQ0024320
has not had the internal calibration curve verified.
Requirement: Analyze a water blank to zero the instrument and then analyze a series
of five standards. The curve verification must check 5 concentrations (not counting the
blank) that bracket the range of the samples to be analyzed. This type of curve
verification must be performed at least every 12 months. The values obtained must not
vary by more than 10% of the known value for standard concentrations greater than or
equal to 50 µg/L and must not vary by more than 25% of the known value for standard
concentrations less than 50 µg/L. The overall correlation coefficient of the curve must be
>_0.995. Ref: NC WW/GW LC Approved Procedure for the Analysis of Total Residual
Chlorine. Please submit a copy of the verification curve with the report reply.
F. Finding: The laboratory is not analyzing a check standard each analysis day with
samples analyzed for WQ0024320.
Requirement: When a five -standard annual standard curve verification is used, the
laboratory must check the calibration curve each analysis day. To do this, the laboratory
must analyze a calibration blank to zero the instrument and analyze a check standard
each day that samples are analyzed. The value obtained for the check standard must
read within 10% of the true value of the check standard. If the obtained value is outside
of the ±10% range, corrective action must be taken. Ref: NC WW/GW LC Approved
Procedure for the Analysis of Total Residual Chlorine.
Requirement: Purchased "Gel -type" or sealed liquid ampoule standards may be used for
daily standard curve verification only. These standards must be verified initially and every
12 months thereafter, with the standard curve. When this is done, these standards may
be used after the manufacturer's expiration date.
Immediately following curve verification:
1. Zero the instrument with the gel blank.
2. Read and record gel standard values.
3. Assign the obtained values as the true value.
The assigned values will be used for the next twelve months, or until a new curve
verification is performed. The gel/liquid standard verification must be performed for each
instrument on which they are to be used. If multiple instruments and/or standard sets are

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used, each must have assigned values specific for the instrument and standard set.
Documentation must link the gel standard identification to the meter with which the
assigned value was determined. Ref: NC WW/GW LC Approved Procedure for the
Analysis of Total Residual Chlorine. Please submit a copy of the gel standard
verification with the report reply.
Comment: The laboratory has a sealed liquid ampoule 1.00 mg/L calibration check
standard which was purchased with the Hannah meter. This standard can be used as
the daily check standard but must be verified and assigned a true value.
Proficiency Testing
G. Finding: The laboratory is not documenting TRC and pH PT sample analyses in the
same manner as environmental samples.
Requirement: All PT sample analyses must be recorded in the daily analysis records as
for any environmental sample. This serves as the permanent laboratory record. Ref:
Proficiency Testing Requirements, February 20, 2012, Revision 1.2.
Comment: PT samples results are documented directly on the vendor report form and
not on the benchsheet.
H. Finding: The laboratory is not analyzing PT samples in the same manner as
compliance samples.
Requirement: Laboratories shall conduct proficiency tests in accordance with their
routine testing, calibration and reporting procedures, unless otherwise specified in the
instructions supplied by the PT provider. They shall not be analyzed with additional
quality control or replicated beyond what is routine for environmental sample analysis.
Ref: Proficiency Testing Requirements, February 20, 2012, Revision 1.2.
Comment: The laboratory was analyzing pH and TRC PT samples multiple times and
reporting an average of all results. Compliance samples are not analyzed and reported
in this manner.
IV. PAPER TRAIL INVESTIGATION:
The paper trail consisted of comparing original records (e.g., laboratory benchsheets, logbooks,
etc.) and contract lab reports to Discharge Monitoring Reports (DMRs) submitted to the North
Carolina Division of Water Resources. Data were reviewed for River Mill WWTP (NPDES
#NC0056278) for the July and August 2016 and Rockbridge Subdivision (Water Quality Permit
#WQ0024320) for August 2016.
It was noted that units for the TRC column header on the DMR were pg/L instead of mg/L. The
Directions for Completing Monthly Discharge Monitoring Reports document states: All data
values must be accompanied by corresponding units of measurement, noted at the top of the
data column for the particular parameter. If your permit contains a numeric limit for any
parameter, then the reporting units must be the same units of measurement of that limit. If your
reporting units are other than those on the pre-printed form, the printed units should be marked
out and the reporting units be clearly designated at the top of the column. Please see the
attached Direction for Completing Monthly Discharge Monitoring Reports document.

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V. CONCLUSIONS:
Correcting the above -cited Findings will help this laboratory to produce quality data and meet
Certification requirements. The inspector would like to thank the staff for their assistance during
the inspection and data review process. Please respond to all Findings and include
supporting documentation and implementation dates for each corrective action.
Report prepared by: Tonja Springer Date: January 10, 2017
Report reviewed by: Jason Smith Date: January 18, 2017

DIRECTIONS FOR COMPLETING MONTHLY DISCHARGE MONITORING REPORTS
(Forms MR-1, MR-1.1, MR-2 & MR-3)
I: FACILITY INFORMATION
1. NPDES Permit No. Operator In Responsible Charge
2. Discharge No. Grade
3. Facility Name Certified Laboratory
4. Class Person(s) Collecting Samples
5. County Signature Of Operator In Responsible Charge
II: DATA REPORTING
1. Operator Arrival Time Units of Measurement
2. Operator Time On Site Additional Parameters
3. ORC on Site? Average, Maximum, Minimum
4. Data Sample Type
5. Flow Monthly Limit
6. Parameter Codes
III: FACILITY STATUS INFORMATION
1. Status Information
2. Signature of Permittee
IV: STREAM MONITORING INFORMATION
1. Stream
2. Location
V: GENERAL
1. Submitting Reports Calculations
2. Appearance Enforcement
3. Order of Report Forms Number of Reports
4. Multiple Submittals Permits for Other Program Areas
5. Toxicity Reporting Corrected or Amended Reports
6. Contacts
I. FACILITY INFORMATION
1. NPDES Permit No. - Number issued by the Division of Water Resources consisting of
the letters "NC" followed by a seven digit number. Information from non -discharge
facilities should not be reported on the MR series of forms.
2. Discharge No. - Three -digit number which corresponds to the effluent pipe for which
the data are being reported (i.e., 001, 002, 003, etc.). Numbers are found within the
NPDES permit.
3. Facility Name - Name of the facility as it appears on the NPDES permit.

4. Class - The class of the facility as designated by the Water Pollution Control System
Operators Certification Commission. The rating will be either 0, I, II, III or IV. You
should enter the water quality classification of the receiving stream in this space.
5. County - County in which the discharge outfall is located.
6. Operator In Responsible Charge -The printed name of the certified WWTP operator
designated as operator in responsible charge. Unrated (class 0) facilities do not require an
operator in responsible charge.
7. Grade - Certificate grade of the operator in responsible charge as awarded by the
Water Pollution Control System Operators Certification Commission.
8. Certified Laboratory - Name of the certified laboratory (-ies) performing analyses (if
applicable).
9. Person(s) Collecting Samples - Printed name of the individual who collected the
sample for which the data was reported. In the case of several individuals, please specify
as a group name, such as "operators" or "staff," etc.
10. Signature Of Operator In Responsible Charge - Dated signature of the operator in
responsible charge. Each month's report must include an original signature in ink. Copies
are not acceptable.
II. DATA REPORTING
1. Operator Arrival Time -Record the time of arrival of a certified operator using a
2400 clock value. If the facility is staffed by operators 24 hours a day, record the arrival
time of the 1 st shift operator.
2. Operator Time On Site - Record the number of hours spent by certified operators at
the facility. If the facility is staffed on all three shifts, enter "24." If more than one
operator is on duty at the same time, this value is not the sum of all hours worked by the
operators, but the total number of hours the facility was staffed.
3. ORC On Site? - Record yes (Y) or no (N) as to whether the designated ORC visited
the site on that date. If the designated backup operator served as ORC on a particular day,
record "B" in this column for that date. It is also appropriate to record "H" in the cell if
the date is a legal holiday.
4. Data - Enter the analytical results for each sample under the appropriate parameter
code in the row that corresponds to the day upon which the sample was taken. Please note
that Flow should always be reported as a decimal number (do not use scientific notation)
in units of millions of gallons per day (MGD), unless the permit states otherwise.
5. Parameter Codes - Codes for the more commonly monitored parameters can be found
on the back of form MR-1 or MR- 1.1. A complete list of parameter codes can be found
on the NPDES website.

6. Units of Measurement - All data values must be accompanied by corresponding units
of measurement, noted at the top of the data column for the particular parameter. If your
permit contains a numeric limit for any parameter, then the reporting units must be the
same units of measurement of that limit. If your reporting units are other than those on the
pre-printed form, the printed units should be marked out and the reporting units be clearly
designated at the top of the column.
7. Additional Parameters - Enter the appropriate parameter code, name of the parameter
and units of measurement in the space provided.
8. Average, Maximum, Minimum - Enter the average, maximum and minimum values
for the results recorded in the data column. Please note no average is to be calculated for
pH. Any average for Fecal Coliform is to be calculated as a geometric mean. If you are
uncertain about how to calculate the geometric mean, please contact your local DWR
Regional Office or a member of the NPDES Compliance/Enforcement Unit staff at (919)
807-6300. If only one value is reported for a parameter during the reporting month, that
value should be reported as the average, maximum and minimum.
9. Sample Type - Enter the sample description in each column for which data is being
reported. Enter the letter "C" for composite or the letter "G" for grab.
10. Monthly Limit - Enter the monthly limit for each parameter as found in the current
NPDES permit, Special Order by Consent or Judicial Order by Consent.
III. FACILITY STATUS INFORMATION
1. Facility Status - Mark the appropriate box to show whether facility was compliant or
noncompliant with regard to permit, SOC or JOC requirements. If noncompliant, use the
comment section to explain in detail the course of action taken or to be taken to achieve
compliance.
2. Signature of Permittee - Record the name of the permittee or his or her authorized
agent (printed or typed), the dated signature of that person and a mailing address and
phone number at which he or she may be reached during working hours. If someone other
than the permittee is to be the signatory, the requirement noted by the double asterisk
it** it must be met. Also record the expiration date of the current permit in this section.
While this is not on the form, you may also wish to provide an e-mail address in this
space that can provide the Division with another avenue of communication.
IV. STREAM MONITORING INFORMATION
1. Stream - Name of the stream from which the upstream or downstream monitoring
samples are taken.
2. Location - Location of the site on the stream from which the sample was taken. This
may be recorded as a distance (e.g. "100 feet upstream of outfall") or a specific location
(e.g. "S.R. 1111").

V. GENERAL,
1. Submitting Reports - An original and one copy of each month's monitoring report is
required to be submitted to the Division of Water Resources's Central Files office
(address listed on form MR-1) and must be received by the Division within thirty (30)
days after the end of the month for which the report is made.
2. Appearance - Forms must be completed in ink. Please make all entries on forms
legible. All information other than signatures must be printed or typed. If you fill out
forms by hand, please make sure the originals are completed in ink and that all entries are
legible. Copies of the original report must also be readable and must include a
reproduction of the backside of the effluent reporting form containing the permittee's
certification. If you utilize a computer -generated report, you must also ensure that the
report is legible and that proper copies are made. DWR will notify if you are the user of a
form that is deemed deficient and will advise you of what modifications need to be made.
3. Calculations
(a) Averages. All averages are to be calculated as the arithmetic mean of the
recorded values with the exception of that of Fecal Coliform, which is to be
calculated as a geometric mean. If you are uncertain about how to calculate the
geometric mean, please contact your local DWR Regional Office or a member of
the NPDES Compliance/Enforcement Unit staff at [phone].
(b) Use of "less than" values. For calculation purposes only, recorded values of
less than a detectable limit (< #.##) may be considered to equal zero (0) for all
parameters except Fecal Coliform, for which values of "less than" may be
considered to be equal to one (1). Values of results which are less than a
detectable limit should be reported in the daily cells using the "less than" symbol
(<) and the detectable limit used during the testing (or the value with appropriate
unit conversion). Please note there is never a case when an average would need to
be recorded along with a "less than" symbol.
(c) Use of "greater than" values. Such values are only expected (and then only
infrequently) in the reporting of Fecal Coliform and BOD. If a "greater than"
value is reported, the numeric portion of the value should be sufficiently high so
as to make the facility aware of the extent of any problems with treatment
efficiency. Upon receipt of "greater than" testing results, a facility should consult
its laboratory to see if changes in testing procedure need to be made in order to get
discreet values from the analysis. For calculation purposes only, the numeric
portion of the value must be used to calculate either an arithmetic or geometric
mean.
4. Enforcement - Failure to comply with any of the requirements listed above may result
in the facility being issued a Notice of Violation or being subject to other appropriate
enforcement action.

5. Order of Report Forms - DMR submittals typically include the results of monitoring
of the facility's effluent, its influent and its receiving stream. It is requested that for any
DMR, the report be bound with the Effluent page(s) (DWR form MR-1 or MR- 1.1) on
top, followed by the Influent page (form MR 2, if influent monitoring is required) and
finally the Upstream/Downstream page (form MR 3).
6. Number of Reports - You are required to submit the original and one copy of the
report to DWR. Each copy should be a discreet report for the month, put together in the
order described above.
7. Multiple Submittals - School systems and contract operations, please take note of this
request. If you submit reports for multiple permits within one mailing, please bind
together the submittals (original and one copy) for the various facilities. Please do not
segregate the reports into any other type of organization (e.g., binding together all effluent
or stream monitoring pages). To do so will cause reports to be taken apart and placed
together properly, which slows processing and introduces opportunity for mistakes to be
made. If you send many DMRs in one envelope, it is advisable that you send a summary
sheet along with the DMRs that lists what reports are contained in the package.
8. Permits for Other Program Areas - Please note that this discussion pertains to
submittal of DMRs required of NPDES permittees (point source discharge pipes to
streams). You may have permits for activities in other program areas such as DWR's non
discharge program (wastewater spray irrigation or land application of residuals) or the
Division of Environmental Health's public water supply program (drinking water). Please
consult those permits for instructions for their submittal. It is not advisable to submit any
other reports along with your DMR submittals.
9. Toxicity Reporting - Some permittees will have monitoring requirements for Toxicity
within their permits. Please be aware that this parameter has a dual reporting requirement.
Results of toxicity testing should be reported on DMR forms, but the toxicity testing
results forms must be submitted to the Aquatic Toxicity Unit at the address listed below.
Aquatic Toxicology Unit
DWR Environmental Sciences Branch
1621 Mail Service Center Raleigh, NC 27699-1621
10. Corrected or Amended Reports - In the event that you omit or erroneously report
data on a DMR, the information should be updated with the submittal of an amended
report. To best handle the amended data, the following procedure is recommended:
1. Regenerate or make a copy from your files of the DMR previously submitted to
DWR.
2. Make changes to the individual data points on the form, including updated
summary information.
3. Initial and highlight changes to the original submittal.
4. At the top of the reporting page, write very conspicuously: "Amended Report" or
"Corrected Report."

5. Provide a short cover page describing the changes to the DMR or note changes in
the comment area on the back of the MR-1 form.
Use of this procedure will be a great help to DWR's data entry staff. Without
specifically identifying changes on the DMR, each data point must be evaluated
between the original and amended reports to ensure the values in our database are
correct. Calling attention to just those values that are changed both speeds up our
processes and decreases the possibility for errors to be made.
11. Contacts - DWR deals with a tremendous number of permitted entities that may be
experiencing their own changes involving administration and personnel. In dealing with
NPDES permit matters, DWR must deal with only one representative of the permitted
facility (someone with authority to see that changes are made at the facility if they are
necessary) in order to be effective. You are encouraged to keep DWR informed of any
updates as to the person responsible for the permit, addresses or phone numbers in order
to facilitate the best possible communication between our two organizations. This can be
done by sending an e-mail to our Unit or by using the back of the MR-1 form under the
permittee certification section. Regulations regarding who may be deemed responsible for
a permit and who may sign as the "permittee" on the DMR can be found (respectively) in
the North Carolina Administrative Code in sections 15A NCAC 2H .106(e) and 15A
NCAC 213.0506 (b)(2).