Loading (50 kb)...'
(continued)
AA furnace................... 252.2.........................
46. Oxygen, dissolved, mg/L:
Winkler (Azide modification), 360.2......................... 4500-O C [18th, 19th, 20th]... D888-92(A).................... I-1575-78 \8\................. 973.45B \3\
or.
Electrode.................... 360.1......................... 4500-O G [18th, 19th, 20th]... D888-92(B).................... I-1576-78 \8\.................
47. Palladium_Total, \4\ mg/L;
Digestion \4\ followed by:
AA direct aspiration, or..... 253.1......................... 3111 B [18th, 19th]........... .............................. .............................. p. S27 \10\
AA furnace................... 253.2......................... .............................. .............................. .............................. p. S28 \10\
DCP.......................... .............................. .............................. .............................. .............................. Note 34.
48. Phenols, mg/L:
Manual distillation \26\..... 420.1......................... .............................. .............................. .............................. Note 27.
Followed by:.................
Colorimetric (4AAP) 420.1......................... .............................. .............................. .............................. Note 27.
manual, or.
Automated \19\........... 420.2.........................
49. Phosphorus (elemental), mg/L:
Gas-liquid chromatography.... .............................. .............................. .............................. .............................. Note 28.
50. Phosphorus_Total, mg/L:
Persulfate digestion followed 365.2......................... 4500-P B, 5 [18th, 19th, 20th] .............................. .............................. 973.55 \3\
by.
Manual or.................... 365.2 or 365.3................ 4500-P E [18th, 19th, 20th]... D515-88(A)
Automated ascorbic acid 365.1......................... 4500-P F [18th, 19th, 20th]... .............................. I-4600-85..................... 973.56 \3\
reduction.
Semi-automated block digestor 365.4......................... .............................. D515-88(B).................... I-4610-91 \48\................
51. Platinum_Total, \4\ mg/L:
Digestion \4\ followed by:
AA direct aspiration......... 255.1......................... 3111 B [18th, 19th]...........
AA furnace................... 255.2.........................
DCP.......................... .............................. .............................. .............................. .............................. Note 34
52. Potassium_Total, \4\ mg/L:
Digestion \4\ followed by:
AA direct aspiration......... 258.1......................... 3111 B [18th, 19th]........... .............................. I-3630-85..................... 973.53 \3\
ICP/AES...................... 200.7 \5\..................... 3120 B [18th, 19th, 20th].....
Flame photometric, or........ .............................. 3500-K B [20th] and 3500-K D
[18th, 19th].
Colorimetric................. .............................. .............................. .............................. .............................. 317 B \17\
53. Residue_Total, mg/L:
Gravimetric, 103-105°.... 160.3......................... 2540 B [18th, 19th, 20th]..... .............................. I-3750-85.....................
54. Residue_filterable, mg/L:
Gravimetric, 180°........ 160.1......................... 2540 C [18th, 19th, 20th]..... .............................. I-1750-85.....................
55. Residue_nonfilterable (TSS),
mg/L:
Gravimetric, 103-105° 160.2......................... 2540 D [18th, 19th, 20th]..... .............................. I-3765-85.....................
post washing of residue.
56. Residue_settleable, mg/L:
Volumetric, (Imhoff cone), or 160.5......................... 2540 F [18th, 19th, 20th].....
gravimetric.
57. Residue_Volatile, mg/L:
Gravimetric, 550°........ 160.4......................... .............................. .............................. I-3753-85.....................
58. Rhodium-Total, \4\ mg/L;
Digestion \4\ followed by:
AA direct aspiration, or..... 265.1......................... 3111 B [18th, 19th]...........
AA furnace................... 265.2.........................
59. Ruthenium_Total, \4\ mg/L;
Digestion \4\ followed by:
AA direct aspiration, or..... 267.1......................... 3111 B [18th, 19th]...........
AA furnace................... 267.2.........................
60. Selenium_Total, \4\ mg/L;
Digestion \4\ followed by:
AA furnace................... 270.2......................... 3113 B [18th, 19th]........... D3859-98(B)................... I-4668-98 \49\................
ICP/AES, \36\ or............. 200.7 \5\..................... 3120 B [18th, 19th, 20th].....
AA gaseous hydride........... .............................. 3114 B [18th, 19th]........... D3859-98(A)................... I-3667-85.....................
61. Silica \37\_Dissolved, mg/L;
0.45 micron filtration followed
by:
Colorimetric, Manual or...... 370.1......................... 4500-SiO2 C [20th] and 4500-Si D859-94....................... I-1700-85.....................
D [18th, 19th].
Automated (Molybdosilicate), .............................. .............................. .............................. I-2700-85.....................
or.
ICP.......................... 200.7 \5\..................... 3120 B [18th, 19th, 20th]..... .............................. I-4471-97 \50\................
62. Silver_Total, \4\ mg/L:
Digestion 4,29 followed by:
AA direct aspiration......... 272.1......................... 3111 B or C [18th, 19th]...... .............................. I-3720-85..................... 974.27, \3\ p. 37 \9\
AA furnace................... 272.2......................... 3113 B [18th, 19th]........... .............................. I-4724-89 \51\
ICP/AES...................... 200.7 \5\..................... 3120 B [18th, 19th, 20th]..... .............................. I-4471-97 \50\
DCP.......................... .............................. .............................. .............................. .............................. Note 34.
63. Sodium_Total, \4\ mg/L;
Digestion \4\ followed by:
AA direct aspiration......... 273.1......................... 3111 B [18th, 19th]........... .............................. I-3735-85..................... 973.54 \3\
ICP/AES...................... 200.7 \5\..................... 3120 B [18th, 19th, 20th]..... .............................. I-4471-97 \50\
DCP, or...................... .............................. .............................. .............................. .............................. Note 34.
Flame photometric............ .............................. 3500 Na B [20th] and 3500 Na D
[18th, 19th].
64. Specific conductance,
micromhos/cm at 25 °C:
Wheatstone bridge............ 120.1......................... 2510 B [18th, 19th, 20th]..... D1125-95(A)................... I-2781-85..................... 973.40 \3\
65. Sulfate (as SO4), mg/L:
Automated colorimetric 375.1.........................
(barium chloranilate).
Gravimetric.................. 375.3......................... 4500-SO4-\2\C or D [18th, .............................. .............................. 925.54 \3\
19th, 20th].
Turbidimetric................ 375.4......................... .............................. D516-90....................... .............................. 426C \30\
66. Sulfide (as S), mg/L:
Titrimetric (iodine), or..... 376.1......................... 4500-S-\2\F [19th, 20th] or .............................. I-3840-85.....................
4500-S-\2\E [18th].
Colorimetric (methylene blue) 376.2......................... 4500-S-\2\D [18th, 19th, 20th]
67. Sulfite (as SO3), mg/L:
Titrimetric (iodine-iodate).. 377.1......................... 4500-SO3-\2\B [18th, 19th,
20th].
68. Surfactants, mg/L:
Colorimetric (methylene blue) 425.1......................... 5540 C [18th, 19th, 20th]..... D2330-88......................
69. Temperature, °C:
Thermometric................. 170.1......................... 2550 B [18th, 19th, 20th]..... .............................. .............................. Note 32.
70. Thallium_Total, \4\ mg/L;
Digestion \4\ followed by:
AA direct aspiration......... 279.1......................... 3111 B [18th, 19th]...........
AA furnace................... 279.2.........................
ICP/AES...................... 200.7 \5\..................... 3120 B [18th, 19th, 20th].....
71. Tin_Total, \4\ mg/L;
Digestion \4\ followed by:
AA direct aspiration......... 282.1......................... 3111 B [18th, 19th]........... .............................. I-3850-78 \8\.................
AA furnace, or............... 282.2......................... 3113 B [18th, 19th]...........
ICP/AES...................... 200.7 \5\.....................
72. Titanium_Total, \4\ mg/L;
Digestion \4\ followed by:
AA direct aspiration......... 283.1......................... 3111 D [18th, 19th]...........
AA furnace................... 283.2.........................
DCP.......................... .............................. .............................. .............................. .............................. Note 34.
73. Turbidity, NTU:
Nephelometric................ 180.1......................... 2130 B [18th, 19th, 20th]..... D1889-94(A)................... I-3860-85.....................
74. Vanadium_Total, \4\ mg/L;
Digestion \4\ followed by:
AA direct aspiration......... 286.1......................... 3111 D [18th, 19th]...........
AA furnace................... 286.2......................... .............................. D3373-93......................
ICP/AES...................... 200.7 \5\..................... 3120 B [18th, 19th, 20th]..... .............................. I-4471-97 \50\................
DCP, or...................... .............................. .............................. D4190-94...................... .............................. Note 34.
Colorimetric (Gallic Acid)... .............................. 3500-V B [20th] and 3500-V D
[18th, 19th].
75. Zinc_Total, \4\ mg/L;
Digestion \4\ followed by:
AA direct aspiration \36\.... 289.1......................... 3111 B or C [18th, 19th]...... D1691-95(A or B).............. I-3900-85..................... 974.27, \3\ p. 37 \9\
AA furnace................... 289.2.........................
ICP/AES \36\................. 200.7 \5\..................... 3120 B [18th, 19th, 20th]..... .............................. I-4471-97 \50\................
DCP, \36\ or................. .............................. .............................. D4190-94...................... .............................. Note 34.
Colorimetric (Dithizone) or.. .............................. 3500-Zn E [18th, 19th]........
(Zincon)..................... .............................. 3500-Zn B [20th] and 3500-Zn F .............................. .............................. Note 33.
[18th, 19th].
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Table 1B Notes:
\1\ ``Methods for Chemical Analysis of Water and Wastes,'' Environmental Protection Agency, Environmental Monitoring Systems Laboratory_Cincinnati (EMSL-CI), EPA-600/4-79-020, Revised March
1983 and 1979 where applicable.
\2\ Fishman, M.J., et al. ``Methods for Analysis of Inorganic Substances in Water and Fluvial Sediments, ''U.S. Department of the Interior, Techniques of Water-Resource Investigations of the
U.S. Geological Survey, Denver, CO, Revised 1989, unless otherwise stated.
\3\ ``Official Methods of Analysis of the Association of Official Analytical Chemists,'' methods manual, 15th ed. (1990).
\4\ For the determination of total metals the sample is not filtered before processing. A digestion procedure is required to solubilize suspended material and to destroy possible organic-metal
complexes. Two digestion procedures are given in ``Methods for Chemical Analysis of Water and Wastes, 1979 and 1983''. One (Section 4.1.3), is a vigorous digestion using nitric acid. A less
vigorous digestion using nitric and hydrochloric acids (Section 4.1.4) is preferred; however, the analyst should be cautioned that this mild digestion may not suffice for all samples types.
Particularly, if a colorimetric procedure is to be employed, it is necessary to ensure that all organo-metallic bonds be broken so that the metal is in a reactive state. In those situations,
the vigorous digestion is to be preferred making certain that at no time does the sample go to dryness. Samples containing large amounts of organic materials may also benefit by this
vigorous digestion, however, vigorous digestion with concentrated nitric acid will convert antimony and tin to insoluble oxides and render them unavailable for analysis. Use of ICP/AES as
well as determinations for certain elements such as antimony, arsenic, the noble metals, mercury, selenium, silver, tin, and titanium require a modified sample digestion procedure and in all
cases the method write-up should be consulted for specific instructions and/or cautions.
Note to Table 1B Note 4: If the digestion procedure for direct aspiration AA included in one of the other approved references is different than the above, the EPA procedure must be used.
Dissolved metals are defined as those constituents which will pass through a 0.45 micron membrane filter. Following filtration of the sample, the referenced procedure for total metals must
be followed. Sample digestion of the filtrate for dissolved metals (or digestion of the original sample solution for total metals) may be omitted for AA (direct aspiration or graphite
furnace) and ICP analyses, provided the sample solution to be analyzed meets the following criteria:
a. has a low COD (<20)
b. is visibly transparent with a turbidity measurement of 1 NTU or less
c. is colorless with no perceptible odor, and
d. is of one liquid phase and free of particulate or suspended matter following acidification.
\5\ The full text of Method 200.7, ``Inductively Coupled Plasma Atomic Emission Spectrometric Method for Trace Element Analysis of Water and Wastes,'' is given at Appendix C of this Part 136.
\6\ Manual distillation is not required if comparability data on representative effluent samples are on company file to show that this preliminary distillation step is not necessary: however,
manual distillation will be required to resolve any controversies.
\7\ Ammonia, Automated Electrode Method, Industrial Method Number 379-75 WE, dated February 19, 1976, Bran & Luebbe (Technicon) Auto Analyzer II, Bran & Luebbe Analyzing Technologies,
Inc., Elmsford, NY 10523.
\8\ The approved method is that cited in ``Methods for Determination of Inorganic Substances in Water and Fluvial Sediments'', USGS TWRI, Book 5, Chapter A1 (1979).
\9\ American National Standard on Photographic Processing Effluents, Apr. 2, 1975. Available from ANSI, 25 West 43rd Street, New York, NY 10036.
\10\ ``Selected Analytical Methods Approved and Cited by the United States Environmental Protection Agency'', Supplement to the Fifteenth Edition of Standard Methods for the Examination of
Water and Wastewater (1981).
\11\ The use of normal and differential pulse voltage ramps to increase sensitivity and resolution is acceptable.
\12\ Carbonaceous biochemical oxygen demand (CBOD5) must not be confused with the traditional BOD5 test method which measures ``total BOD''. The addition of the nitrification inhibitor is not
a procedural option, but must be included to report the CBOD5 parameter. A discharger whose permit requires reporting the traditional BOD5 may not use a nitrification inhibitor in the
procedure for reporting the results. Only when a discharger's permit specifically states CBOD5 is required can the permittee report data using a nitrification inhibitor.
\13\ OIC Chemical Oxygen Demand Method, Oceanography International Corporation, 1978, 512 West Loop, PO Box 2980, College Station, TX 77840.
\14\ Chemical Oxygen Demand, Method 8000, Hach Handbook of Water Analysis, 1979, Hach Chemical Company, PO Box 389, Loveland, CO 80537.
\15\ The back titration method will be used to resolve controversy.
\16\ Orion Research Instruction Manual, Residual Chlorine Electrode Model 97-70, 1977, Orion Research Incorporated, 840 Memorial Drive, Cambridge, MA 02138. The calibration graph for the Orion
residual chlorine method must be derived using a reagent blank and three standard solutions, containing 0.2, 1.0, and 5.0 mL 0.00281 N potassium iodate/100 mL solution, respectively.
\17\ The approved method is that cited in Standard Methods for the Examination of Water and Wastewater, 14th Edition, 1976.
\18\ National Council of the Paper Industry for Air and Stream Improvement, Inc. Technical Bulletin 253, December 1971.
\19\ Copper, Biocinchoinate Method, Method 8506, Hach Handbook of Water Analysis, 1979, Hach Chemical Company, PO Box 389, Loveland, CO 80537.
\20\ After the manual distillation is completed, the autoanalyzer manifolds in EPA Methods 335.3 (cyanide) or 420.2 (phenols) are simplified by connecting the re-sample line directly to the
sampler. When using the manifold setup shown in Method 335.3, the buffer 6.2 should be replaced with the buffer 7.6 found in Method 335.2.
\21\ Hydrogen ion (pH) Automated Electrode Method, Industrial Method Number 378-75WA, October 1976, Bran & Luebbe (Technicon) Autoanalyzer II. Bran & Luebbe Analyzing Technologies,
Inc., Elmsford, NY 10523.
\22\ Iron, 1,10-Phenanthroline Method, Method 8008, 1980, Hach Chemical Company, PO Box 389, Loveland, CO 80537.
\23\ Manganese, Periodate Oxidation Method, Method 8034, Hach Handbook of Wastewater Analysis, 1979, pages 2-113 and 2-117, Hach Chemical Company, Loveland, CO 80537.
\24\ Wershaw, R.L., et al, ``Methods for Analysis of Organic Substances in Water,'' Techniques of Water-Resources Investigation of the U.S. Geological Survey, Book 5, Chapter A3, (1972 Revised
1987) p. 14.
\25\ Nitrogen, Nitrite, Method 8507, Hach Chemical Company, PO Box 389, Loveland, CO 80537.
\26\ Just prior to distillation, adjust the sulfuric-acid-preserved sample to pH 4 with 1 + 9 NaOH.
\27\ The approved method is cited in Standard Methods for the Examination of Water and Wastewater, 14th Edition. The colorimetric reaction is conducted at a pH of 10.0 ±0.2. The
approved methods are given on pp 576-81 of the 14th Edition: Method 510A for distillation, Method 510B for the manual colorimetric procedure, or Method 510C for the manual spectrometric
procedure.
\28\ R.F. Addison and R.G. Ackman, ``Direct Determination of Elemental Phosphorus by Gas-Liquid Chromatography,'' Journal of Chromatography, Vol. 47, No. 3, pp. 421-426, 1970.
\29\ Approved methods for the analysis of silver in industrial wastewaters at concentrations of 1 mg/L and above are inadequate where silver exists as an inorganic halide. Silver halides such
as the bromide and chloride are relatively insoluble in reagents such as nitric acid but are readily soluble in an aqueous buffer of sodium thiosulfate and sodium hydroxide to pH of 12.
Therefore, for levels of silver above 1 mg/L, 20 mL of sample should be diluted to 100 mL by adding 40 mL each of 2 M Na2S2O3 and NaOH. Standards should be prepared in the same manner. For
levels of silver below 1 mg/L the approved method is satisfactory.
\30\ The approved method is that cited in Standard Methods for the Examination of Water and Wastewater, 15th Edition.
\31\ EPA Methods 335.2 and 335.3 require the NaOH absorber solution final concentration to be adjusted to 0.25 N before colorimetric determination of total cyanide.
\32\ Stevens, H.H., Ficke, J.F., and Smoot, G.F., ``Water Temperature_Influential Factors, Field Measurement and Data Presentation,'' Techniques of Water-Resources Investigations of the U.S.
Geological Survey, Book 1, Chapter D1, 1975.
\33\ Zinc, Zincon Method, Method 8009, Hach Handbook of Water Analysis, 1979, pages 2-231 and 2-333, Hach Chemical Company, Loveland, CO 80537.
\34\ ``Direct Current Plasma (DCP) Optical Emission Spectrometric Method for Trace Elemental Analysis of Water and Wastes, Method AES0029,'' 1986_Revised 1991, Thermo Jarrell Ash Corporation,
27 Forge Parkway, Franklin, MA 02038.
\35\ Precision and recovery statements for the atomic absorption direct aspiration and graphite furnace methods, and for the spectrophotometric SDDC method for arsenic are provided in Appendix
D of this part titled, ``Precision and Recovery Statements for Methods for Measuring Metals''.
\36\ ``Closed Vessel Microwave Digestion of Wastewater Samples for Determination of Metals'', CEM Corporation, PO Box 200, Matthews, NC 28106-0200, April 16, 1992. Available from the CEM
Corporation.
\37\ When determining boron and silica, only plastic, PTFE, or quartz laboratory ware may be used from start until completion of analysis.
\38\ Only use Trichlorotrifluorethane (1,1,2-trichloro-1,2,2-trifluoroethane; CFC-113) extraction solvent when determining Total Recoverable Oil and Grease (analogous to EPA Method 413.1).
Only use n-hexane extraction solvent when determining Hexane Extractable Material (analogous to EPA Method 1664A). Use of other extraction solvents is strictly prohibited.
\39\ Nitrogen, Total Kjeldahl, Method PAI-DK01 (Block Digestion, Steam Distillation, Titrimetric Detection), revised 12/22/94, OI Analytical/ALPKEM, PO Box 9010, College Station, TX 77842.
\40\ Nitrogen, Total Kjeldahl, Method PAI-DK02 (Block Digestion, Steam Distillation, Colorimetric Detection), revised 12/22/94, OI Analytical/ALPKEM, PO Box 9010, College Station, TX 77842.
\41\ Nitrogen, Total Kjeldahl, Method PAI-DK03 (Block Digestion, Automated FIA Gas Diffusion), revised 12/22/94, OI Analytical/ALPKEM, PO Box 9010, College Station, TX 77842.
\42\ Method 1664, Revision A ``n-Hexane Extractable Material (HEM; Oil and Grease) and Silica Gel Treated n-Hexane Extractable Material (SGT-HEM; Non-polar Material) by Extraction and
Gravimetry'' EPA-821-R-98-002, February 1999. Available at NTIS, PB-121949, U.S. Department of Commerce, 5285 Port Royal, Springfield, Virginia 22161.
\43\ USEPA. 2002. Method 1631, Revision E, ``Mercury in Water by Oxidation, Purge and Trap, and Cold Vapor Atomic Fluorescence Spectrometry.'' September 2002. Office of Water, U.S.
Environmental Protection Agency (EPA-821-R-02-019). The application of clean techniques described in EPA's draft Method 1669: Sampling Ambient Water for Trace Metals at EPA Water Quality
Criteria Levels (EPA-821-R-96-011) are recommended to preclude contamination at low-level, trace metal determinations.
\44\ Available Cyanide, Method OIA-1677 (Available Cyanide by Flow Injection, Ligand Exchange, and Amperometry), ALPKEM, A Division of OI Analytical, PO Box 9010, College Station, TX 77842-
9010.
\45\ ``Methods of Analysis by the U.S. Geological Survey National Water Quality Laboratory_Determination of Ammonia Plus Organic Nitrogen by a Kjeldahl Digestion Method'', Open File Report
(OFR) 00-170.
\46\ ``Methods of Analysis by the U.S. Geological Survey National Water Quality Laboratory_Determination of Chromium in Water by Graphite Furnace Atomic Absorption Spectrophotometry'', Open
File Report (OFR) 93-449.
\47\ ''Methods of Analysis by the U.S. Geological Survey National Water Quality Laboratory_Determination of Molybdenum by Graphite Furnace Atomic Absorption Spectrophotometry'', Open File
Report (OFR) 97-198.
\48\ ''Methods of Analysis by the U.S. Geological Survey National Water Quality Laboratory_Determination of Total Phosphorus by Kjeldahl Digestion Method and an Automated Colorimetric Finish
That Includes Dialysis'' Open File Report (OFR) 92-146.
\49\ ``Methods of Analysis by the U.S. Geological Survey National Water Quality Laboratory_Determination of Arsenic and Selenium in Water and Sediment by Graphite Furnace-Atomic Absorption
Spectrometry'' Open File Report (OFR) 98-639.
\50\ ``Methods of Analysis by the U.S. Geological Survey National Water Quality Laboratory_Determination of Elements in Whole-water Digests Using Inductively Coupled Plasma-Optical Emission
Spectrometry and Inductively Coupled Plasma-Mass Spectrometry'', Open File Report (OFR) 98-165.
\51\ ``Methods of Analysis by the U.S. Geological Survey National Water Quality Laboratory_Determination of Inorganic and Organic Constituents in Water and Fluvial Sediment'', Open File Report
(OFR) 93-125.
Table IC_List of Approved Test Procedures for Non-Pesticide Organic Compounds
--------------------------------------------------------------------------------------------------------------------------------------------------------
EPA method number 2,7 Other approved methods
------------------------------------------------------------------------------------------------------------------------
Parameter \1\ Standard Methods
GC GC/MS HPLC [Edition(s)] ASTM Other
--------------------------------------------------------------------------------------------------------------------------------------------------------
1. Acenaphthene................ 610................ 625, 1625B......... 610................ 6440 B [18th, D4657-92......... Note 9, p.27.
19th, 20th].
2. Acenaphthylene.............. 610................ 625, 1625B......... 610................ 6440 B, 6410 B D4657-92......... Note 9, p.27.
[18th, 19th,
20th].
3. Acrolein.................... 603................ 624 \4\, 1624B..... .................
4. Acrylonitrile............... 603................ 624 \4\, 1624B..... .................
5. Anthracene.................. 610................ 625, 1625B......... 610................ 6410 B, 6440 B D4657-92......... Note 9, p. 27.
[18th, 19th,
20th].
6. Benzene..................... 602................ 624, 1624B......... ................... 6200 B [20th] and
6210 B [18th,
19th], 6200 C
[20th] and 6220 B
[18th, 19th].
7. Benzidine................... ................... 625 \5\, 1625B..... 605................ .................. ................. Note 3, p.1.
8. Benzo(a)anthracene.......... 610................ 625, 1625B......... 610................ 6410 B, 6440 B D4657-92......... Note 9, p. 27.
[18th, 19th,
20th].
9. Benzo(a)pyrene.............. 610,............... 625, 1625B......... 610................ 6410 B, 6440 B D4657-92......... Note 9, p. 27.
[18th, 19th,
20th].
10. Benzo(b)fluoranthene....... 610................ 625, 1625B......... 610................ 6410 B, 6440 B D4657-92......... Note 9, p. 27.
[18th, 19th,
20th].
11. Benzo(g, h, i)perylene..... 610................ 625, 1625B......... 610................ 6410 B, 6440 B D4657-92......... Note 9, p. 27.
[18th, 19th,
20th].
12. Benzo(k)fluoranthene....... 610................ 625, 1625B......... 610................ 6410 B, 6440 B D4657-92......... Note 9, p. 27.
[18th, 19th,
20th].
13. Benzyl chloride............ ................... ................... ................... .................. ................. Note 3, p 130:
Note 6, p. S102.
14. Benzyl butyl phthalate..... 606................ 625, 1625B......... ................... 6410 B [18th, ................. Note 9, p. 27.
19th, 20th].
15. Bis(2-chloroethoxy) methane 611................ 625, 1625B......... ................... 6410 B [18th, ................. Note 9, p. 27.
19th, 20th].
16. Bis(2-chloroethyl) ether... 611................ 625, 1625B......... ................... 6410 B [18th, ................. Note 9, p. 27.
19th, 20th].
17. Bis(2-ethylhexyl) phthalate 606................ 625, 1625B......... ................... 6410 B [18th, ................. Note 9, p. 27.
19th, 20th].
18. Bromodichloromethane....... 601................ 624, 1624B......... ................... 6200 C [20th] and
6230 B [18th,
19th], 6200 B
[20th] and 6210 B
[18th, 19th].
19. Bromoform.................. 601................ 624, 1624B......... ................... 6200 C [20th] and
6230 B [18th,
19th], 6200 B
[20th] and 6210 B
[18th, 19th].
20. Bromomethane............... 601................ 624, 1624B......... ................... 6200 C [20th] and
6230 B [18th,
19th], 6200 B
[20th] and 6210 B
[18th, 19th].
21. 4-Bromophenylphenyl ether.. 611................ 625, 1625B......... ................... 6410 B [18th, ................. Note 9, p. 27.
19th, 20th].
22. Carbon tetrachloride....... 601................ 624, 1624B......... ................... 6200 C [20th] and ................. Note 3, p. 130.
6230 B [18th,
19th].
23. 4-Chloro-3-methylphenol.... 604................ 625,1625B.......... ................... 6410 B, 6420 B ................. Note 9, p. 27.
[18th, 19th,
20th].
24. Chlorobenzene.............. 601, 602........... 624, 1624B......... ................... 6200 B [20th] and ................. Note 3, p. 130.
6210 B [18th,
19th], 6200 C
[20th] and 6220 B
[18th, 19th],
6200 C [20th] and
6230 B [18th,
19th],.
25. Chloroethane............... 601................ 624, 1624B......... ................... 6200 B [20th] and
6210 B [18th,
19th], 6200 C
[20th] and 6230 B
[18th, 19th].
26. 2-Chloroethylvinyl ether... 601................ 624, 1624B......... ................... 6200 B [20th] and .................
6210 B [18th,
19th], 6200 C
[20th] and 6230 B
[18th, 19th].
27. Chloroform:................ 601................ 624, 1624B......... ................... 6200 B [20th] and ................. Note 3, p 130.
6210 B [18th,
19th], 6200 C
[20th] and 6230 B
[18th, 19th].
28. Chloromethane.............. 601................ 624, 1624B......... ................... 6200 B [20th] and .................
6210 B [18th,
19th] 6200C
[20th] and 6230 B
[18th, 19th].
29. 2-Chloronaphthalene........ 612................ 625, 1625B......... ................... 6410 B [18th, ................. Note 9, p. 27.
19th, 20th].
30. 2-Chlorophenol............. 604................ 625, 1625B......... ................... 6410 B, 6420 B ................. Note 9, p. 27.
[18th, 19th,
20th].
31. 4-Chlorophenylphenyl ether. 611................ 625, 1625B......... ................... 6410 B, [18th, ................. Note 9, p. 27.
19th, 20th].
32. Chrysene................... 610................ 625, 1625B......... 610................ 6410 B, 6440 B D4657-92......... Note 9, p. 27.
[18th, 19th,
20th].
33. Dibenzo(a,h)anthracene..... 610................ 625, 1625B......... 610................ 6410 B, 6440 B D4657-92......... Note 9, p. 27.
[18th, 19th,
20th].
34. Dibromochloromethane....... 601................ 624, 1624B......... ................... 6200 B [20th] and .................
6210 B [18th,
19th] 6200 C
[20th] and 6230 B
[18th, 19th].
35. 1,2-Dichlorobenzene........ 601, 602, 612...... 624, 625, 1625B.... ................... 6200 C [20th] and ................. Note 9, p 27.
6220 B [18th,
19th], 6200 C
[20th] and 6230 B
[18th, 19th],
6410 B [18th,
19th, 20th].
36. 1,3-Dichlorobenzene........ 601, 602, 612...... 624, 625, 1625B.... ................... 6200 C [20th] and ................. Note 9, p. 27.
6220 B [18th,
19th], 6200 C
[20th] and 6230 B
[18th, 19th],
6410 B [18th,
19th, 20th].
37. 1,4-Dichlorobenzene........ 601, 602, 612...... 624, 625, 1625B.... ................... 6200 C [20th] and ................. Note 9, p. 27.
6220 B [18th,
19th], 6200 C
[20th] and 6230 B
[18th, 19th],
6410 B [18th,
19th, 20th].
38. 3,3-Dichlorobenzidine...... ................... 625, 1625B......... 605................ 6410 B [18th, .................
19th, 20th].
39. Dichlorodifluoromethane.... 601................ ................... ................... 6200 C [20th] and .................
6230 B [18th,
19th].
40. 1,1-Dichloroethane......... 601................ 624, 1624B......... ................... 6200 B [20th] and .................
6210 B [18th,
19th], 6200 C
[20th] and 6230 B
[18th, 19th].
41. 1,2-Dichloroethane......... 601................ 624, 1624B......... ................... 6200 B [20th] and .................
6210 B [18th,
19th], 6200 C
[20th] and 6230 B
[18th, 19th].
42. 1,1-Dichloroethene......... 601................ 624, 1624B......... ................... 6200 B [20th] and .................
6210 B [18th,
19th], 6200 C
[20th] and 6230 B
[18th, 19th].
43. trans-1,2-Dichloroethene... 601................ 624, 1624B......... ................... 6200 B [20th] and .................
6210 B [18th,
19th], 6200 C
[20th] and 6230 B
[18th, 19th].
44. 2,4-Dichlorophenol......... 604................ 625, 1625B......... ................... 6410 B, 6420 B ................. Note 9, p. 27.
[18th, 19th,
20th].
45. 1,2-Dichloropropane........ 601................ 624, 1624B......... ................... 6200 B [20th] and
6210 B [18th,
19th], 6200 C
[20th] and 6230 B
[18th, 19th].
46. cis-1,3-Dichloropropene.... 601................ 624, 1624B......... ................... 6200 B [20th] and
6210 B [18th,
19th], 6200 C
[20th] and 6230 B
[18th, 19th].
47. trans-1,3-Dichloropropene.. 601................ 624, 1624B......... ................... 6200 B [20th] and
6210 B [18th,
19th], 6200 C
[20th] and 6230 B
[18th, 19th].
48. Diethyl phthalate.......... 606................ 625, 1625B......... ................... 6410 B [18th, ................. Note 9, p. 27.
19th, 20th].
49. 2,4-Dimethylphenol......... 604................ 625, 1625B......... ................... 6410 B, 6420 B ................. Note 9, p. 27.
[18th, 19th,
20th].
50. Dimethyl phthalate......... 606................ 625, 1625B......... ................... 6410 B [18th, ................. Note 9, p. 27.
19th, 20th].
51. Di-n-butyl phthalate....... 606................ 625, 1625B......... ................... 6410 B [18th, ................. Note 9, p. 27.
19th, 20th].
52. Di-n-octyl phthalate....... 606................ 625, 1625B......... ................... 6410 B [18th, ................. Note 9, p. 27.
19th, 20th].
53. 2,3-Dinitrophenol.......... 604................ 625, 1625B......... ................... 6410 B, 6420 B
[18th, 19th,
20th].
54. 2,4-Dinitrotoluene......... 609................ 625, 1625B......... ................... 6410 B [18th, ................. Note 9, p. 27.
19th, 20th].
55. 2,6-Dinitrotoluene......... 609................ 625, 1625B......... ................... 6410 B [18th, ................. Note 9, p. 27.
19th, 20th].
56. Epichlorohydrin............ ................... ................... ................... .................. ................. Note 3, p. 130; (continued)