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S No Document No. Document title Last date of comment Detail ICS No. Draft Comments
1. CHD 1(26700) Sodium Fluoride Technical Specification First Revision 09-12-2024 71.040.30 Comment
2. CHD 1(26702) Copper Nitrate - Specification First Revision 09-12-2024 71.060.50 Comment
3. CHD 1(26703) Silicon Tetrachloride Technical - Specification Second Revision 23-12-2024 71.060.30 Comment
4. CHD 1(26705) Metallic Zinc Powder Zinc Dust - Specification Third Revision 23-12-2024 71.060.50 Comment
5. CHD 1(26706) Barium Sulphide Technical Black Ash - Specification First Revision 20-12-2024 71.060.50 Comment
6. CHD 1(26707) Activated Carbons Powdered - Specification Second Revision 23-12-2024 71.080.01 Comment
7. CHD 1(26708) Activated Carbons Granular - Specification Fourth Revision 20-12-2024 ICS 71.080.01 Comment
8. CHD 1(26711) Barium Chloride - Specification Second Revision 24-12-2024 71.060.50 Comment
9. CHD 1(26712) Manganese Carbonate - Specification First Revision 21-12-2024 71.060.50 Comment
10. CHD 1(26713) Potassium Iodate - Specification First Revision 21-12-2024 71.060.50 Comment
11. CHD 5(25544) Strontium Sulphate for Electroplating - Specification (first revision) 21-09-2024 25.220.40 NA
12. CHD 5(25545) Hydrofluosilicic Acid for Electroplating - Specification (first revision) 21-09-2024 25.220.40 NA
13. CHD 5(25595) Photography - Photographic Grade Chemicals - Test methods - Part 1 General 26-07-2024 37.040.30 NA
14. CHD 5(25599) Photography - Photographic Grade Chemicals - Test Methods - Part 2 Determination of Matter Insoluble in Water 26-07-2024 37.040.30 NA
15. CHD 5(25601) Photography - Photographic Grade Chemicals - Test Methods - Part 3 Determination of Matter Insoluble in Ammonium Hydroxide Solution 26-07-2024 37.040.30 NA
16. CHD 5(25602) Photography - Photographic Grade Chemicals - Test Methods - Part 4 Determination of Residue after Ignition 21-07-2024 37.040.30 NA
17. CHD 5(25603) Photography - Photographic Grade Chemicals - Test Methods - Part 5 Determination of Heavy Metals and Iron Content 26-07-2024 37.040.30 NA
18. CHD 5(25604) Photography - Photographic Grade Chemicals - Test Methods - Part 6 Determination of Halide Content 28-07-2024 37.040.30 NA
19. CHD 5(25607) Photography - Photographic Grade Chemicals - Test Methods - Part 7 Determination of Alkalinity and Acidity 28-07-2024 37.040.30 NA
20. CHD 5(25608) Photography - Photographic Grade Chemicals - Test Methods - Part 8 Determination of Volatile Matter 28-07-2024 37.040.30 NA
21. CHD 5(25610) Photography - Photographic Grade Chemicals - Test Methods - Part 9 Reaction to Ammoniacal Silver Nitrate 28-07-2024 37.040.30 NA
22. CHD 5(25611) Photography - Photographic Grade Chemicals - Test Methods - Part 10 Determination of Sulfide Content 28-07-2024 37.040.30 NA
23. CHD 5(25612) Photography - Photographic Grade Chemicals - Test Methods - Part 11 Determination of Specific Gravity 28-07-2024 37.040.30 NA
24. CHD 5(25613) Photography - Photographic Grade Chemicals - Test Methods - Part 12 Determination of Density 28-07-2024 37.040.30 NA
25. CHD 5(25614) Photography - Photographic Grade Chemicals - Test Methods - Part 13 Determination of pH 28-07-2024 37.040.30 NA
26. CHD 6(25181) REFRIGERANT GASES — SPECIFICATION ( Third Revision ) 04-06-2024 71.100.45 NA
27. CHD 8(19050) Respiratory protective devices - Half masks and quarter masks - Specification 31-08-2024 13.340.30 NA
28. CHD 8(20866) RESPIRATORY PROTECTIVE DEVICES FOR SELF-RESCUE — FILTERING DEVICES WITH HOOD FOR ESCAPE FROM FIRE — SPECIFICATION 26-12-2024 ICS 13.340.30 Comment
29. CHD 8(23661) RESPIRATORY PROTECTIVE DEVICES Part 3 Fresh Air Hose and Compressed Air Line Breathing Apparatus 21-01-2024 13.340.30 NA
30. CHD 8(24614) GUIDELINES FOR IMPLEMENTATION OF OCCUPATIONAL HEALTH SAFETY MANAGEMENT SYSTEM IN AGENCIES DEALING WITH SOLID WASTE MANAGEMENT 10-07-2024 13.100, 03.100.70 NA
31. CHD 8(24984) GUIDE FOR SELECTION OF INDUSTRIAL SAFETY EQUIPMENT FOR PROTECTION OF ARMS AND HANDS First Revision 06-05-2024 13.340.10 NA
32. CHD 8(25067) GUIDE FOR SELECTION OF INDUSTRTAL SAFETY EQUIPMENT FOR PROTECTION OF FOOT AND LEG First Revision 23-05-2024 13.340.50 NA
33. CHD 8(25071) SAFETY COLOURS SAFETY SIGNS AND ACCIDENT PREVENTION TAGS CODE OF PRACTICE Second Revision 23-05-2024 01.080.10 NA
34. CHD 8(25482) EYE AND FACE PROTECTION FOR OCCUPATIONAL USE PART 3 ADDITIONAL REQUIREMENTS FOR PROTECTORS USED DURING WELDING AND RELATED TECHNIQUES 02-07-2024 13.340.20 NA
35. CHD 8(25565) Personal Fall Arrest Systems Specification Part 1 Full Body Harness Fourth Revision Amendment - 1 05-07-2024 NA
36. CHD 8(25684) Occupational health and safety management systems — Requirements with guidance for use ( Second Revision ) Amendment - 1 24-07-2024 NA
37. CHD 8(25905) Respiratory Protective Devices - Methods of test and test equipment : Part 5 Breathing machine, metabolic simulator, RPD head forms and torso, tools and verification tools Amendment - 1 22-08-2024 NA
38. CHD 9(23381) Earthenware Crockeryware - Specification (Fourth Revision) 29-10-2023 81.060.20; 97.040.60 NA
39. CHD 9(23550) Stoneware Crockeryware - Specification (Third Revision) 29-11-2023 81.060.20; 97.040.60 NA
40. CHD 9(23551) Fine Bone China Crockeryware - Specification 17-11-2023 81.060.20; 97.040.60 NA
41. CHD 9(23552) Porcelain Crockeryware - Specification 17-11-2023 81.060.20; 97.040.60 NA
42. CHD 9(24073) Plaster of Paris for Ceramic and Glass Industry - Specification (Third Revision) 13-01-2024 81.060.10 NA
43. CHD 9(24931) Clay Utensils Specification N/A 77.140.20; 97.040 NA
44. CHD 9(24977) Stoneware Containers for General Purposes - Specification (First Revision) 26-07-2024 81.060.20; 97.040.60 NA
45. CHD 9(24979) Industrial Stoneware - Specification (First Revision) 26-07-2024 81.060.20; 97.040.60 NA
46. CHD 9(24986) Vitreous Enamelware and Ceramic-Metal Systems - Glossary (Second Revision) 27-07-2024 01.040.25; 25.220.50 NA
47. CHD 10(19275) TINTED OR BODY-COLOURED FLOAT GLASS - SPECIFICATION 30-06-2024 81.040.20 NA
48. CHD 10(19298) Coated Glass - Specification 17-10-2024 81.040.20 NA
49. CHD 10(20485) METHODS OF SAMPLING LABORATORY GLASSWARE Second Revision 06-11-2022 71.040.20 NA
50. CHD 10(20792) GLASS ENCLOSURES FOR INTERNAL LIGHTING OF PASSENGER COACHES SPECIFICATION First Revision 16-12-2022 81.040.30 NA
51. CHD 10(20852) Baume Hydrometer - Specification First Revision 16-12-2022 17.060 NA
52. CHD 10(20872) GLASS MAKING SANDS - SPECIFICATION Third Revision 16-12-2022 81.040.30 NA
53. CHD 10(20878) LIMESTONE AND DOLOMITE FOR GLASS AND CERAMIC INDUSTRY - SPECIFICATION Second Revision 16-12-2022 81.040.30 NA
54. CHD 10(20974) PSYCHROMETERS UNVENTILATED DRY AND WET BULB HYGROMETERS - SPECIFICATION First Revision 25-12-2022 17.060 NA
55. CHD 10(20996) BRIX HYDROMETERS SPECIFICATION Second Revision 25-12-2022 17.060 NA
56. CHD 10(21009) SODIUM NITRATE AND POTASSIUM NITRATE FOR GLASS COMPOSITIONS - SPECIFICATION First Revision 27-12-2022 81.040.30 NA
57. CHD 10(22416) FIRE RESISTANT GLASS — SPECIFICATION 04-08-2024 81.040.20 NA
58. CHD 10(24334) GENERAL METEOROLOGICAL LIQUID IN-GLASS THERMOMETERS — SPECIFICATION (Third Revision) 19-02-2024 17.200.20 NA
59. CHD 10(24339) SOIL THERMOMETERS — SPECIFICATION (First Revision) 19-02-2024 17.200.20 NA
60. CHD 10(24340) LIQUID-IN-GLASS THERMOMETERS - GLOSSARY (Second Revision) 20-02-2024 17.200.20 NA
61. CHD 10(24353) THERMOMETER FOR MEASUREMENT OF SEA SURFACE TEMPERATURE — SPECIFICATION (First Revision) 20-02-2024 17.200.20 NA
62. CHD 10(24354) Method of calibrating liquid - In - Glass thermometers (First Revision) 20-02-2024 17.200.20 NA
63. CHD 10(24360) LIQUID-IN-GLASS SOLID-STEM REFERENCE THERMOMETERS — SPECIFICATION (Second Revision) 20-02-2024 17.200.20 NA
64. CHD 10(24380) THERMOMETER FOR WHIRLING PSYCHROMETERS — SPECIFICATION (First Revision) 20-02-2024 17.200.20 NA
65. CHD 10(25195) Export Packaging of Glass Container Ware Code of practice (First Revision) 14-11-2024 55.100 NA
66. CHD 10(25196) ADJUSTABLE RANGE THERMOMETERS - SPECIFICATION (First Revision) 11-11-2024 17.200.20 NA
67. CHD 10(25200) Principles of design construction and Use of liquid-In-Glass Thermometers (Second Revision) 14-11-2024 17.200.20 NA
68. CHD 10(25201) GENERAL PURPOSE MAXIMUM AND MINIMUM THERMOMETERS SPECIFICATION (First Revision) 14-11-2024 17.200.20 NA
69. CHD 10(25202) CALORIMETER THERMOMETERS SPECIFICATION PART 1 SOLID-STEM THERMOMETERS (First Revision) 14-11-2024 17.200.20 NA
70. CHD 10(25203) CALORIMETER THERMOMETERS SPECIFICATION PART 2 ENCLOSED SCALE THERMOMETERS (First Revision) 14-11-2024 17.200.20 NA
71. CHD 10(25204) GLASS ALCOHOLOMETERS SPECIFICATION PART 1 GLASS ALCOHOLOMETERS WITHOUT THERMOMETER (Second Revision) N/A 17.060 NA
72. CHD 10(25206) GLASS ALCOHOLOMETERS SPECIFICATION PART 2 GLASS ALCOHOLOMETERS WITH THERMOMETER THERMO-ALCOHOLOMETERS (Second Revision) 14-11-2024 17.060 NA
73. CHD 10(25207) SELENIUM FOR GLASS COMPOSITIONS SPECIFICATION First Revision N/A 81.040.30 NA
74. CHD 10(25254) DENSITY HYDROMETERS SPECIFICATION PART I REQUIREMENTS (Second Revision) N/A 17.060 NA
75. CHD 10(25255) DENSITY HYDROMETERS SPECIFICATION PART 2 METHODS OF TEST AND USE Second Revision N/A 17.060 NA
76. CHD 13(24671) Specification for feed water and boiler water for low and medium pressure boilers First Revision 19-03-2024 27.060.01 NA
77. CHD 14(26714) Ink Ball Point Pen Refill - Specification Second Revision 20-12-2024 87.080 Comment
78. CHD 14(26715) Letterpress halftone ink black - Specification Second Revision 21-12-2024 87.080 Comment
79. CHD 14(26716) Water Colours for Students - Specification First Revision 22-12-2024 87.080 Comment
80. CHD 14(26717) Poster Colours - Specification First Revision 21-12-2024 87.080 Comment
81. CHD 14(26718) Ink Numbering - Specification First Revision 21-12-2024 87.080 Comment
82. CHD 14(26720) Commercial Stationery FormsBooks - Specification First Revision 21-12-2024 87.080 Comment
83. CHD 14(26721) Shorthand Notebooks - Specification First Revision 22-12-2024 87.080 Comment
84. CHD 14(26724) Web Offset Ink Black - Specification First Revision 22-12-2024 87.080 Comment
85. CHD 15(26698) Methods of Sampling and Test for Paper and Allied Products Part 1 Test Methods for General Purpose Amendment - 1 09-12-2024 Comment
86. CHD 15(26790) Tissue paper and tissue products Methods of test Part 1 Determination of thickness bulking thickness and apparent bulk density and bulk 22-12-2024 85.080.20 Comment
87. CHD 15(26791) Tissue paper and tissue products Methods of test Part 2 Determination of tensile strength, stretch at maximum force and tensile energy absorption 22-12-2024 85.080.20 Comment
88. CHD 15(26792) Tissue paper and tissue products Methods of test Part 3 Determination of wet tensile strength 22-12-2024 85.080.20 Comment
89. CHD 15(26793) Tissue paper and tissue products Methods of test Part 4 Determination of grammage 22-12-2024 85.080.20 Comment
90. CHD 15(26794) Tissue paper and tissue products Methods of test Part 5 Determination of optical properties Measurement of brightness and colour with D6510 outdoor daylight 22-12-2024 85.080.20 Comment
91. CHD 15(26795) Tissue paper and tissue products Methods of test Part 6 Water-absorption time and water-absorption capacity basket-immersion test method 22-12-2024 85.080.20 Comment
92. CHD 15(26797) Tissue paper and tissue products Methods of test Part 7 Determination of disintegration in water 22-12-2024 01.040.85; 85.080.20 Comment
93. CHD 17(23456) Leather For Gas Meter Diaphragms Specification 29-10-2023 ICS. 59.140.35 NA
94. CHD 17(24720) Air Travel Bags for Air Hostesses and Stewards Specification N/A 59.140.35 NA
95. CHD 17(24763) LEATHER BOARD FOR FOOTWEAR INSOLE SPECIFICATION N/A ICS 59.140.01 NA
96. CHD 17(24765) BOOKBINDING LEATHER SPECIFICATION N/A ICS 59.140.35 NA
97. CHD 17(24806) Hides, Skins, and Leather — Vocabulary (Second Revision) 27-09-2024 ICS 59.140.20 NA
98. CHD 17(26059) MEASUREMENT OF AREA OF LEATHER GUIDELINE FIRST REVISION 07-09-2024 59.140.30 NA
99. CHD 17(26060) Leather - Method of Sampling Part 1 Number of items for a gross sample second revision 07-09-2024 59.140.30 NA
100. CHD 17(26061) Leather - method of sampling Part 2 position and preparation of specimens for testing for chemical physical mechanical and fastness tests second revision 07-09-2024 59.140.30 NA
101. CHD 17(26062) Leather Method of Sampling Part 3 Sampling preparation and conditioning for physical and mechanical test second revision 07-09-2024 59.140.30 NA
102. CHD 17(26104) Methods of physical testing of leather Part 10 Determination of surface coating thickness 08-09-2024 59.140.30 NA
103. CHD 17(26105) Methods of Physical Testing of Leather Part 11 Determination of Thickness 08-09-2024 59.140.30 NA
104. CHD 17(26106) Methods of Physical Testing of Leather Part 12 Determination of Water Vapour Permeability 08-09-2024 59.140.30 NA
105. CHD 17(26107) Methods of Physical Testing of Leather Part 13 Determination of Softness 08-09-2024 59.140.30 NA
106. CHD 17(26117) Leather Determination of distension and strength of surface Ball burst method 08-09-2024 59.140.30 NA
107. CHD 17(26197) Suede lining leather - Specification 21-09-2024 (ICS 59.140.01) NA
108. CHD 17(26198) Methods of Micro-Biological Colour Fastness and Microscopical Tests for Leather Part 7 Colour Fastness to Migration into Polymeric Material 21-09-2024 ICS 59.140.30 NA
109. CHD 17(26199) Methods of Micro-Biological Colour Fastness and Microscopical Tests for Leather Part 8 Change in Colour With Accelerated Ageing 21-09-2024 (ICS 59.140.30 ) NA
110. CHD 17(26208) Shoe Upper Leather for Direct Moulding Processes Specification 22-09-2024 (ICS 13.340.50 NA
111. CHD 17(26942) Vegetable tanned hydraulic Leather specification 17-01-2025 59.140.20 Comment
112. CHD 17(26963) Leather for Oil Seals Specification N/A (ICS 59.140.35) NA
113. CHD 19(26864) SPORTS FOOTWEAR PART -1 GENERAL PURPOSE (First Revision) Amendment - 2 31-12-2024 Comment
114. CHD 19(26929) Hawai Chappal-Specification Amendment - 2 15-01-2025 Comment
115. CHD 19(26930) Shoes: Shoes for General Purpose Amendment - 1 16-01-2025 Comment
116. CHD 19(26950) SANDAL AND SLIPPERS SPECIFICATION First revision Amendment - 1 N/A NA
117. CHD 20(26399) METHODS OF SAMPLING AND TEST FOR PAINTS VARNISHES AND RELATED PRODUCTS Part 3 Tests on Paint Film Formation Sec 2 Determination of film thickness 10-11-2024 87.040 NA
118. CHD 20(26400) METHODS OF SAMPLING AND TEST FOR PAINTS VARNISHES AND RELATED PRODUCTS Part 2 test on liquid paints chemical examination Sec 2 Determination of non-volatile-matter content 10-11-2024 87.040 NA
119. CHD 20(26567) AIR DRYING ENAMEL PAINT FOR ARCHITECTURAL AND INDUSTRIAL APPLICATIONS- SPECIFICATION Fifth Revision 08-12-2024 ICS 87.040 Comment
120. CHD 20(26568) Stoving Enamel Paint for General Industrial Applications - Specification (Second Revision) 14-12-2024 87.040 Comment
121. CHD 25(19008) De - Odourizing - Cum - Disinfectant fluids - Specification 23-09-2022 11.080, 11.080.20 NA
122. CHD 25(26344) Disinfectant Fluids Phenolic Type Specification Sixth Revision 15-10-2024 71.080.90; 11.080 NA
123. CHD 26(16100) SHOCK TUBE DETONATORS SPECIFICATION 26-06-2023 71.100.30 NA
124. CHD 26(16101) CORD RELAYS SPECIFICATION 26-06-2023 71.100.30 NA
125. CHD 26(23634) NITROCELLULOSE — SPECIFICATION (Fourth Revision) 18-12-2023 71.100.30 NA
126. CHD 26(23635) SPECIFICATION FOR GUN POWDER First Revision 18-12-2023 59.100.20, 01.040.95 NA
127. CHD 26(23636) SPECIFICATION FOR PENTAERYTHRITOL FOR EXPLOSIVE INDUSTRY (First Revision) 18-12-2023 71.100.30 NA
128. CHD 26(23638) SODIUM NITRATE FOR EXPLOSIVES AND PYROTECHNIC INDUSTRY SPECIFICATION (First Revision) 18-12-2023 71.100.30 NA
129. CHD 26(23651) SPECIFICATION FOR ZIRCONIUM POWDER FOR USE IN EXPLOSIVE AND PYROTECHNIC INDUSTRY First Revision 18-12-2023 71.100.30 NA
130. CHD 26(23675) BARIUM CHROMATE FOR EXPLOSIVES AND PYROTECHNIC INDUSTRY SPECIFICATION (Second Revision) 18-12-2023 71.060.50; 71.100.30 NA
131. CHD 26(23678) SPECIFICATION FOR PARAFFIN WAX FOR EXPLOSIVE AND PYROTECHNIC INDUSTRY (Second Revision) 18-12-2023 71.100.30 NA
132. CHD 27(24897) Surface Spread of Flame for Thermal Insulation Materials - Methods of Test (First Revision) 27-04-2024 ICS 91.100.60 NA
133. CHD 27(25020) Application of spray applied insulation Code of practice: Part 1 Mineral fibre 11-05-2024 27.220.00, 91.120.10 NA
134. CHD 27(25762) Cellular Glass Block and Pipe Thermal Insulation - Specification First revision 29-07-2024 91.100.60 NA
135. CHD 30(24903) MEASUREMENT OF RADIOACTIVITY IN THE ENVIRONMENT-AIR: RADON-222- PART 4 INTEGRATED MEASUREMENT METHOD FOR DETERMINING AVERAGE ACTIVITY CONCENTRATION USING PERSONAL PASSIVE DOSIMETER 25-04-2024 17.240 NA
136. CHD 30(25257) Measurement of Environmental Tritium in Natural Water 29-07-2024 13.280 NA
137. CHD 30(25270) Radiometry of Metallic Components and Structures using Sealed Radioactive Sources — Code of Practice 30-07-2024 13.280 NA
138. CHD 16(22358) Paper-Based Materials for Food & Beverage Delivery and Serving Applications — Specification 24-12-2024 85.060; 85.080 Comment
139. CHD 16(26925) Corrugated Fibreboards Methods of Test Part 4 Determination of Substance of the Components Papers after Separation First Revision 16-01-2025 55.040; 85.060 Comment
140. CHD 16(26946) Kraft Liner and Corrugating Medium Specification Second Revision N/A 85.080 NA
141. CHD 21(24871) IRON OXIDE PIGMENTS FOR PAINTS SPECIFICATION Third revision 22-04-2024 ICS 87.060.10 NA
142. CHD 21(24898) ZINC CHROME PIGMENTS FOR PAINTS SPECIFICATION Fifth Revision 25-04-2024 87.060.10 NA
143. CHD 21(24902) GREEN OXIDE OF CHROMIUM FOR PAINTS SPECIFICATION Third Revision 25-04-2024 87.060.10 NA
144. CHD 21(26606) PRUSSIAN BLUE( IRON BLUE )FOR PAINTS- SPECIFICATION ( Third Revision) 08-12-2024 87.060.10 Comment
145. CHD 21(26607) ULTRAMARINE BLUE FOR PAINTS - SPECIFICATION Second Revision 08-12-2024 87.060.10 Comment
146. CHD 21(26609) Dolomite for paint - Specification First Revision 08-12-2024 73.080; 87.060.10 Comment
147. CHD 21(26613) Cashewnut shell liquid (CNSL)-Specification ( Third Revision) N/A 87.060 NA
148. CHD 35(25082) Method for Measurement of Air Pollution Part 3 Radioactivity Particulate in Air 21-05-2024 ICS 13.040.20 NA
149. CHD 35(25502) Method Measurement of air pollution Part X Vapor Phase Mercury in Ambient Air Sec 2 Cold-Vapor Atomic Absorption or Fluorescence Spectroscopy CVAFS Method Using Acidified solution of KMnO4 11-11-2024 ICS 13.040.20 NA
150. CHD 35(25505) Methods for Measurement of Air Pollution Part XX Vapor Phase Mercury in Ambient Air Sec 1 Cold-Vapor Atomic Fluorescence Spectrometer method by Amalgamation Principle 11-11-2024 ICS 13.040.20 NA
151. CHD 35(26418) Methods For Measurement of Air Pollution Part 30 Metals in Particulate Matter in Ambient Air 11-11-2024 ICS. 13.040.20 NA
152. CHD 35(26441) Workplace Air Determination of Organonitrogen Compounds in Air Using Liquid Chromatography and Mass Spectrometry Part 1 Isocyanates Using Dibutylamine Derivatives 29-10-2024 (ICS 13.040.30) NA
153. CHD 35(26443) Workplace Air Determination of Organonitrogen Compounds in Air Using Liquid Chromatography and Mass Spectrometry Part 1 Isocyanates Using Dibutylamine Derivatives 11-11-2024 (ICS 13.040.30) NA
154. CHD 35(26456) Workplace Air Determination of Particulate Lead and Lead Compounds Flame or Electrothermal Atomic Absorption Spectrometric Method 29-10-2024 (ICS 13.040.30) NA
155. CHD 35(26461) Performance Characteristics of Automated Measurement Systems Part 3 Sulfur Dioxides from stationary Sources 11-12-2024 13.040.40 Comment
156. CHD 35(26728) Performance Characteristics of Automated Measurement Systems Part 4 Nitrogen Oxides from Stationary Sources First Revision 11-12-2024 13.040.40 Comment
157. CHD 35(26782) Air Pollution — Methods for Measurement Part 25 Ammonia (First Revision) 21-12-2024 13.040.20 Comment
158. CHD 35(26918) Workplace Air — Determination of vaporous chlorinated hydrocarbons — Charcoal tube/solvent desorption/gas chromatographic method 16-01-2025 13.040.30 Comment
159. CHD 35(26920) Stationary Source Emissions —Chemical Absorption Method for Sampling and Determining Mercury Species in Flue Gas 16-01-2025 13.040.30 Comment
160. CHD 35(26939) Work - Place air - Determination of mass concentration of nitrogen dioxide - Method using detector tubes for shortterm sampling with direct indication Amendment - 1 N/A NA
161. CHD 35(26956) Air Pollution Methods for Measurement Part 8 Sulphation Rate N/A ICS. 13.040.20 NA
162. CHD 36(25008) Methods of Sampling and Microbiological Examination of Water Second Revision 06-05-2024 13.060.70, 07.100.20 NA
163. CHD 36(26239) Methods of Sampling and Test Physical and Chemical for Water and Wastewater Part 85 Detection of selected congeners of polychlorinated dibenzo-p-dioxins and polychlorinated biphenyls Method using a flow immunosensor technique 20-12-2024 13.060.50 Comment
164. CHD 36(26844) Methods of Sampling and Test Physical And Chemical for Water and Wastewater Part 48 Mercury Second Revision 27-12-2024 13.060.50 Comment
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