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EQ
DEPARTMENT OF ENVIRONMENTAL QUALITY WATER DIVISION
SUPPLYING WATER TO THE PUBLIC
Filed with the Secretary of State on March 29, 2005
These rules take effect 7 days after filing with the Secretary of State
(By authority conferred on the department of environmental quality by section 5 of 1976 PA 399, MCL 325.1005, and Executive Reorganization Order 1996-1, MCL 330.3101)
R 325.12702, R 325.12705, and R 325.12706 of the Michigan Administrative Code are amended as follows:
PART 27. LABORATORY CERTIFICATION
R 325.12702 Certification for inorganic chemical analyses.
Rule 2702. (1) To receive certification to conduct analyses for antimony, arsenic, asbestos, barium, beryllium, cadmium, chromium, cyanide, fluoride, mercury, nickel, nitrate, nitrite, selenium, and thallium, a laboratory shall comply with both of the following provisions:
(a) Analyze performance evaluation samples provided by the United States environmental protection agency, the department, or by a third party, with the approval of the department or the United States environmental protection agency, at least once per year.
(b) For each contaminant that has been included in the performance evaluation sample and for each method for which the laboratory desires certification, achieve quantitative results on the analyses that are within the acceptance limits in table 1 of this rule.
Table 1 Acceptance limits
Contaminant
Acceptance Limit
milligrams per liter (mg/l)
Antimony +/-30% at 0.006 mg/l. Arsenic +/-30% at 0.003 mg/l
Asbestos 2 standard deviations based on study statistics.
Barium +/-15% at 0.15 mg/l. Beryllium +/-15% at 0.001 mg/l. Cadmium +/-20% at 0.002 mg/l. Chromium +/-15% at 0.01 mg/l. Copper +/-10% at 0.050 mg/l.
Cyanide +/-25% at 0.1 mg/l.
Fluoride +/-10% at 1 to 10 mg/l.
Lead +/-30% at 0.0050 mg/l.
Mercury +/-30% at 0.0005 mg/l.
Nickel +/-15% at 0.01 mg/l.
Nitrate +/-10% at 0.4 mg/l.
Nitrite +/-15% at 0.4 mg/l.
Selenium +/-20% at 0.01 mg/l.
Thallium +/-30% at 0.002 mg/l.
(2) To receive certification to conduct analyses for lead and copper, a laboratory shall be in compliance with all of the following requirements:
(a) Analyze performance evaluation samples, including lead and copper, that are provided by the United States environmental protection agency, the department, or by a third party, with the approval of the department or the United States environmental protection agency, at least once per year by each method for which the laboratory desires certification.
(b) Achieve quantitative acceptance limits as specified in table 1 of this rule and as follows:
(i) Lead: +/-30% of the actual amount in the performance evaluation sample when the actual amount is greater than or equal to 0.005 mg/l. the practical quantitation level, or PQL, for lead is 0.005 mg/l.
(ii) Copper: +/-10% of the actual amount in the performance evaluation sample when the actual amount is greater than or equal to 0.050 mg/l. the practical quantitation level, or PQL, for copper is 0.050 mg/l.
(c) Achieve method detection limits (MDLs) according to the procedures specified in 40 C.F.R. part 136, appendix B, as follows:
(i) Lead: 0.001 mg/l, only if source water compositing is performed.
(ii) Copper: 0.001 mg/l, or 0.020 mg/l when atomic absorption direct aspiration is used, only if source water compositing is performed.
(d) All lead and copper levels measured between the PQL and MDL shall be either reported as measured or they shall be reported as 1/2 the PQL specified for lead and copper in subdivision (b) of this subrule. All levels below the lead and copper MDLs shall be reported as zero.
(e) All copper levels measured between the PQL and the MDL shall be either reported as measured or they shall be reported as 1/2 the PQL (0.025 mg/l). All levels below the copper MDL shall be reported as zero.
R 325.12705 Certification for VOC analyses.
Rule 2705. (1) To receive certification to conduct analyses for the VOCs, other than vinyl chloride, in table 1 of R 325.10604b, a laboratory shall be in compliance with all of the following requirements:
(a) Analyze performance evaluation samples which include the VOCs, other than vinyl chloride, in table 1 of R 325.10604b, and which are provided by the United States environmental protection agency, the department, or by a third party, with the approval of the department or the United States environmental protection agency, at least once per year by each method for which the laboratory desires certification.
(b) Achieve the quantitative acceptance limits specified in subdivisions (c) and (d) of this subrule for not less than 80% of the regulated organic chemicals in table 1 of R 325.10604b.
(c) Achieve quantitative results on the analyses performed under subdivision (a) of this subrule that are within +/-20% of the actual amount of the substances in the performance evaluation sample when the actual amount is greater than or equal to 0.010 mg/l.
(d) Achieve quantitative results on the analyses performed under subdivision (a) of this subrule that are within +/-40% of the actual amount of the substances in the performance evaluation sample when the actual amount is less than 0.010 mg/l.
(e) Achieve a method detection limit of 0.0005 mg/l, according to the procedures specified in 40 C.F.R. part 136, appendix B.
(2) To receive certification for vinyl chloride, a laboratory shall be in compliance with all of the following requirements:
(a) Analyze performance evaluation samples provided by the United States environmental protection agency, the department, or by a third party, with the approval of the department or the United States environmental protection agency, at least once per year by each method for which the laboratory desires certification.
(b) Achieve quantitative results on the analyses performed under subdivision (a) of this subrule that are within +/-40% of the actual amount of vinyl chloride in the performance evaluation sample.
(c) Achieve a method detection limit of 0.0005 mg/l, according to the procedures specified in 40 C.F.R. part 136, appendix B.
(d) Obtain certification for the VOCs listed in part 6, table 1 of R 325.10604b.
(3) Each certified laboratory shall determine the method detection limit (MDL), as defined in 40 C.F.R. part 136, appendix B, at which the laboratory is capable of detecting VOCs. The acceptable MDL is 0.0005 mg/l.
(4) To composite samples, the laboratory shall be in compliance with both of the following provisions:
(a) For compositing samples before gas chromatograph (GC) analysis, be in compliance with all of the following provisions:
(i) Add 5 ml or equal larger amounts of each sample (up to 5 samples are allowed) to a 25-ml glass syringe. Special precautions shall be taken to maintain zero headspace in the syringe.
(ii) The samples shall be cooled at 4° Celsius during compositing to minimize volatilization losses.
(iii) Mix well and draw out a 5-ml aliquot for analysis.
(iv) Follow sample introduction, purging, and desorption steps described in the method.
(v) If less than 5 samples are used for compositing, a proportionately smaller syringe may be used.
(b) For compositing samples before GC/MS analysis, be in compliance with all of the following provisions:
(i) Inject 5-ml or equal larger amounts of each aqueous sample (up to 5 samples are allowed) into a 25-ml purging device using the sample introduction technique described in the method.
(ii) The total volume of the sample in the purging device shall be 25 ml.
(iii) Purge and desorb as described in the method.
(5) 40 C.F.R. part 136, appendix B, is adopted by reference in these rules. The adopted material is available from the superintendent of documents at the address in R 325.10116(b) for a cost of $61.00 at the time of adoption of these rules. The adopted material is available for inspection, or copies are available at no cost from the offices of the department at the address in R 325.10116(a).
R 325.12706 Certification for SOC analyses.
Rule 2706. To receive certification to conduct analyses for the SOCs in table 1 of R 325.10604d, a laboratory shall be in compliance with both of the following provisions:
(a) Analyze performance evaluation samples which include the SOCs in table 1 of R 325.10604d, that are provided by the United States environmental protection agency, the department, or by a third party, with the approval of the department or the United States environmental protection agency, at least once per year by each method for which the laboratory desires certification.
(b) For each contaminant that has been included in the performance evaluation sample, achieve quantitative results on the analyses that are within the acceptance limits listed in table 1 of this rule.
Table 1 Acceptance limits
Contaminant
Acceptance Limits (percent)
DBCP +/-40.
EDB +/-40.
Alachlor +/-45.
Atrazine +/-45.
Benzo[a]pyrene 2 standard deviations.
Carbofuran +/-45.
Chlordane +/-45.
Dalapon 2 standard deviations. Di(2-ethylhexyl)adipate 2 standard deviations. Di(2-ethylhexyl)phthalate 2 standard deviations. Dinoseb 2 standard deviations.
Diquat 2 standard deviations.
Endothall 2 standard deviations.
Endrin +/-30.
Glyphosate 2 standard deviations.
Heptachlor +/-45.
Heptachlor epoxide +/-45. Hexachlorobenzene 2 standard deviations.
Hexachlorocyclopentadien e
2 standard deviations.
Lindane +/-45.
Methoxychlor +/-45.
Oxamyl 2 standard deviations.
PCBs (as
decachlorobiphenyl)
0-200.
Picloram 2 standard deviations.
Simazine 2 standard deviations.
Toxaphene +/-45.
Aldicarb 2 standard deviations.
Aldicarb sulfoxide 2 standard deviations.
Aldicarb sulfone 2 standard deviations.
Pentachlorophenol +/-50. 2,3,7,8-TCDD (dioxin) 2 standard deviations. 2,4-D +/-50.
2,4,5-TP (silvex) +/-50.
