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		<h1>Phương pháp lấy và phân tích mẫu không khí xung quanh</h1>
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			<p style="margin-top:6.0pt;text-align:center;"><span lang="VI"><strong>Phương pháp quan trắc các thông số trong không khí xung quanh</strong></span></p><table class="table content-table" style="border-collapse:collapse;width:100.0%;" border="1" cellspacing="0" cellpadding="0" width="100%"><tbody><tr><td style="border:1px solid windowtext;padding:0px;width:8.04%;" width="8%"><p style="margin-top:6.0pt;text-align:center;"><span lang="VI"><strong>TT</strong></span></p></td><td style="border-bottom-style:solid;border-color:windowtext;border-left-style:none;border-right-style:solid;border-top-style:solid;border-width:1px;padding:0px;width:35.18%;" width="35%"><p style="margin-top:6.0pt;text-align:center;"><span lang="VI"><strong>Thông số</strong></span></p></td><td style="border-bottom-style:solid;border-color:windowtext;border-left-style:none;border-right-style:solid;border-top-style:solid;border-width:1px;padding:0px;width:56.78%;" width="56%"><p style="margin-top:6.0pt;text-align:center;"><span lang="VI"><strong>Phương pháp quan trắc, số hiệu tiêu chuẩn</strong></span></p></td></tr><tr><td style="border-bottom-style:solid;border-color:windowtext;border-left-style:solid;border-right-style:solid;border-top-style:none;border-width:1px;padding:0px;width:8.04%;" width="8%"><p style="margin-top:6.0pt;text-align:center;"><span lang="VI">1</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:35.18%;" width="35%"><p style="margin-top:6.0pt;"><span lang="VI">SO<sub>2</sub></span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:56.78%;" width="56%"><p style="margin-top:6.0pt;"><span lang="VI">TCVN 5971:1995;</span></p><p style="margin-top:6.0pt;"><span lang="VI">TCVN 7726:2007;&nbsp;</span></p><p style="margin-top:6.0pt;"><span lang="VI">MASA 704A;&nbsp;</span></p><p style="margin-top:6.0pt;"><span lang="VI">MASA 704B;</span></p><p style="margin-top:6.0pt;"><span lang="VI">NIOSH 6004</span></p></td></tr><tr><td style="border-bottom-style:solid;border-color:windowtext;border-left-style:solid;border-right-style:solid;border-top-style:none;border-width:1px;padding:0px;width:8.04%;" width="8%"><p style="margin-top:6.0pt;text-align:center;"><span lang="VI">2</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:35.18%;" width="35%"><p style="margin-top:6.0pt;"><span lang="VI">CO</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:56.78%;" width="56%"><p style="margin-top:6.0pt;"><span lang="VI">TCVN 5972:1995;</span></p><p style="margin-top:6.0pt;"><span lang="VI">TCVN 7725:2007;</span></p><p style="margin-top:6.0pt;"><span lang="VI">MASA 128;&nbsp;</span></p><p style="margin-top:6.0pt;"><span lang="VI">OSHA ID-209;&nbsp;</span></p><p style="margin-top:6.0pt;"><span lang="VI">OSHA ID 210;</span></p><p style="margin-top:6.0pt;"><span lang="VI">ASTM D 3162</span></p></td></tr><tr><td style="border-bottom-style:solid;border-color:windowtext;border-left-style:solid;border-right-style:solid;border-top-style:none;border-width:1px;padding:0px;width:8.04%;" width="8%"><p style="margin-top:6.0pt;text-align:center;"><span lang="VI">3</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:35.18%;" width="35%"><p style="margin-top:6.0pt;"><span lang="VI">NO<sub>2</sub></span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:56.78%;" width="56%"><p style="margin-top:6.0pt;"><span lang="VI">TCVN 6137:2009;</span></p><p style="margin-top:6.0pt;"><span lang="VI">MASA 406;&nbsp;</span></p><p style="margin-top:6.0pt;"><span lang="VI">ASTM D1607</span></p></td></tr><tr><td style="border-bottom-style:solid;border-color:windowtext;border-left-style:solid;border-right-style:solid;border-top-style:none;border-width:1px;padding:0px;width:8.04%;" width="8%"><p style="margin-top:6.0pt;text-align:center;"><span lang="VI">4</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:35.18%;" width="35%"><p style="margin-top:6.0pt;"><span lang="VI">O<sub>3</sub></span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:56.78%;" width="56%"><p style="margin-top:6.0pt;"><span lang="VI">TCVN 6157:1996;</span></p><p style="margin-top:6.0pt;"><span lang="VI">TCVN 7171:2002</span></p></td></tr><tr><td style="border-bottom-style:solid;border-color:windowtext;border-left-style:solid;border-right-style:solid;border-top-style:none;border-width:1px;padding:0px;width:8.04%;" width="8%"><p style="margin-top:6.0pt;text-align:center;"><span lang="VI">5</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:35.18%;" width="35%"><p style="margin-top:6.0pt;"><span lang="VI">Tổng bụi lơ lửng (TSP)</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:56.78%;" width="56%"><p style="margin-top:6.0pt;"><span lang="VI">TCVN 5067:1995;</span></p><p style="margin-top:6.0pt;"><span lang="VI">TCVN 9469:2012 (ISO 10473:2010);</span></p><p style="margin-top:6.0pt;"><span lang="VI">US EPA Compendium Method IO-2.1 (high volume);</span></p><p style="margin-top:6.0pt;"><span lang="VI">ASTM D 4096 -17</span></p></td></tr><tr><td style="border-bottom-style:solid;border-color:windowtext;border-left-style:solid;border-right-style:solid;border-top-style:none;border-width:1px;padding:0px;width:8.04%;" width="8%"><p style="margin-top:6.0pt;text-align:center;"><span lang="VI">6</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:35.18%;" width="35%"><p style="margin-top:6.0pt;"><span lang="VI">Bụi PM<sub>10</sub></span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:56.78%;" width="56%"><p style="margin-top:6.0pt;"><span lang="VI">40 CFR part 50 Method appendix J;&nbsp;</span></p><p style="margin-top:6.0pt;"><span lang="VI">AS/NZS 3580.9.7:2009;</span></p><p style="margin-top:6.0pt;"><span lang="VI">AS/NZS 3580.9.6:2003;</span></p><p style="margin-top:6.0pt;"><span lang="VI">US EPA Compendium Method IO-2.1 (high volume)</span></p></td></tr><tr><td style="border-bottom-style:solid;border-color:windowtext;border-left-style:solid;border-right-style:solid;border-top-style:none;border-width:1px;padding:0px;width:8.04%;" width="8%"><p style="margin-top:6.0pt;text-align:center;"><span lang="VI">7</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:35.18%;" width="35%"><p style="margin-top:6.0pt;"><span lang="VI">Bụi PM<sub>2,5</sub></span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:56.78%;" width="56%"><p style="margin-top:6.0pt;"><span lang="VI">40 CFR Part 50 Method appendix L;</span></p><p style="margin-top:6.0pt;"><span lang="VI">AS/NZS 3580.9.7:2009</span></p></td></tr><tr><td style="border-bottom-style:solid;border-color:windowtext;border-left-style:solid;border-right-style:solid;border-top-style:none;border-width:1px;padding:0px;width:8.04%;" width="8%"><p style="margin-top:6.0pt;text-align:center;"><span lang="VI">8</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:35.18%;" width="35%"><p style="margin-top:6.0pt;"><span lang="VI">Chì (Plumbum) (Pb)</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:56.78%;" width="56%"><p style="margin-top:6.0pt;"><span lang="VI">TCVN 6152:1996;</span></p><p style="margin-top:6.0pt;"><span lang="VI">NIOSH Method 7300;</span></p><p style="margin-top:6.0pt;"><span lang="VI">NIOSH Method 7301;</span></p><p style="margin-top:6.0pt;"><span lang="VI">NIOSH Method 7302;</span></p><p style="margin-top:6.0pt;"><span lang="VI">NIOSH Method 7303;</span></p><p style="margin-top:6.0pt;"><span lang="VI">NIOSH Method 7082;</span></p><p style="margin-top:6.0pt;"><span lang="VI">NIOSH Method 7105;&nbsp;</span></p><p style="margin-top:6.0pt;"><span lang="VI">ASTM D4185-96;</span></p><p style="margin-top:6.0pt;"><span lang="VI">US EPA Compendium Method IO-3.2;&nbsp;</span></p><p style="margin-top:6.0pt;"><span lang="VI">US EPA Compendium Method IO-3.3;&nbsp;</span></p><p style="margin-top:6.0pt;"><span lang="VI">US EPA Compendium Method IO-3.4;&nbsp;</span></p><p style="margin-top:6.0pt;"><span lang="VI">ISO 9855:1993;</span></p><p style="margin-top:6.0pt;"><span lang="VI">ISO 8518:2001</span></p></td></tr><tr><td style="border-bottom-style:solid;border-color:windowtext;border-left-style:solid;border-right-style:solid;border-top-style:none;border-width:1px;padding:0px;width:8.04%;" width="8%"><p style="margin-top:6.0pt;text-align:center;"><span lang="VI">9</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:35.18%;" width="35%"><p style="margin-top:6.0pt;"><span lang="VI">Arsenic (As)</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:56.78%;" width="56%"><p style="margin-top:6.0pt;"><span lang="VI">NIOSH 7300;</span></p><p style="margin-top:6.0pt;"><span lang="VI">US EPA Compendium Method IO-3.2;</span></p><p style="margin-top:6.0pt;"><span lang="VI">US EPA Compendium Method IO-3.3;&nbsp;</span></p><p style="margin-top:6.0pt;"><span lang="VI">US EPA Compendium Method IO-3.4</span></p></td></tr><tr><td style="border-bottom-style:solid;border-color:windowtext;border-left-style:solid;border-right-style:solid;border-top-style:none;border-width:1px;padding:0px;width:8.04%;" width="8%"><p style="margin-top:6.0pt;text-align:center;"><span lang="VI">10</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:35.18%;" width="35%"><p style="margin-top:6.0pt;"><span lang="VI">Arsenic Trihydride (AsH<sub>3</sub>)</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:56.78%;" width="56%"><p style="margin-top:6.0pt;"><span lang="VI">NIOSH method 6001</span></p></td></tr><tr><td style="border-bottom-style:solid;border-color:windowtext;border-left-style:solid;border-right-style:solid;border-top-style:none;border-width:1px;padding:0px;width:8.04%;" width="8%"><p style="margin-top:6.0pt;text-align:center;"><span lang="VI">11</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:35.18%;" width="35%"><p style="margin-top:6.0pt;"><span lang="VI">Hydrochloride (HCl)</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:56.78%;" width="56%"><p style="margin-top:6.0pt;"><span lang="VI">NIOSH Method 7907</span></p></td></tr><tr><td style="border-bottom-style:solid;border-color:windowtext;border-left-style:solid;border-right-style:solid;border-top-style:none;border-width:1px;padding:0px;width:8.04%;" width="8%"><p style="margin-top:6.0pt;text-align:center;"><span lang="VI">12</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:35.18%;" width="35%"><p style="margin-top:6.0pt;"><span lang="VI">Acid Nitric (HNO<sub>3</sub>)</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:56.78%;" width="56%"><p style="margin-top:6.0pt;"><span lang="VI">NIOSH method 7907</span></p></td></tr><tr><td style="border-bottom-style:solid;border-color:windowtext;border-left-style:solid;border-right-style:solid;border-top-style:none;border-width:1px;padding:0px;width:8.04%;" width="8%"><p style="margin-top:6.0pt;text-align:center;"><span lang="VI">13</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:35.18%;" width="35%"><p style="margin-top:6.0pt;"><span lang="VI">Acid Sulfuric (H<sub>2</sub>SO<sub>4</sub>)</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:56.78%;" width="56%"><p style="margin-top:6.0pt;"><span lang="VI">NIOSH Method 7908</span></p></td></tr><tr><td style="border-bottom-style:solid;border-color:windowtext;border-left-style:solid;border-right-style:solid;border-top-style:none;border-width:1px;padding:0px;width:8.04%;" width="8%"><p style="margin-top:6.0pt;text-align:center;"><span lang="VI">14</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:35.18%;" width="35%"><p style="margin-top:6.0pt;"><span lang="VI">Tinh thể Silic oxide hô hấp (SiO<sub>2</sub>)</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:56.78%;" width="56%"><p style="margin-top:6.0pt;"><span lang="VI">TCVN 8945:2011</span></p></td></tr><tr><td style="border-bottom-style:solid;border-color:windowtext;border-left-style:solid;border-right-style:solid;border-top-style:none;border-width:1px;padding:0px;width:8.04%;" width="8%"><p style="margin-top:6.0pt;text-align:center;"><span lang="VI">15</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:35.18%;" width="35%"><p style="margin-top:6.0pt;"><span lang="VI">Amiăng trắng nhóm serpentine</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:56.78%;" width="56%"><p style="margin-top:6.0pt;"><span lang="VI">TCVN 6502:1999</span></p></td></tr><tr><td style="border-bottom-style:solid;border-color:windowtext;border-left-style:solid;border-right-style:solid;border-top-style:none;border-width:1px;padding:0px;width:8.04%;" width="8%"><p style="margin-top:6.0pt;text-align:center;"><span lang="VI">16</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:35.18%;" width="35%"><p style="margin-top:6.0pt;"><span lang="VI">Cadmi (Cd)</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:56.78%;" width="56%"><p style="margin-top:6.0pt;"><span lang="VI">ASTM D4185-96;</span></p><p style="margin-top:6.0pt;"><span lang="VI">NIOSH Method 7048;</span></p><p style="margin-top:6.0pt;"><span lang="VI">NIOSH 7300;</span></p><p style="margin-top:6.0pt;"><span lang="VI">US EPA Compendium Method IO-3.2;&nbsp;</span></p><p style="margin-top:6.0pt;"><span lang="VI">US EPA Compendium Method IO-3.3;&nbsp;</span></p><p style="margin-top:6.0pt;"><span lang="VI">US EPA Compendium Method IO-3.4;</span></p><p style="margin-top:6.0pt;"><span lang="VI">ISO 11174:1996</span></p></td></tr><tr><td style="border-bottom-style:solid;border-color:windowtext;border-left-style:solid;border-right-style:solid;border-top-style:none;border-width:1px;padding:0px;width:8.04%;" width="8%"><p style="margin-top:6.0pt;text-align:center;"><span lang="VI">17</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:35.18%;" width="35%"><p style="margin-top:6.0pt;"><span lang="VI">Chlorine (Cl<sub>2</sub>)</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:56.78%;" width="56%"><p style="margin-top:6.0pt;"><span lang="VI">MASA 202</span></p></td></tr><tr><td style="border-bottom-style:solid;border-color:windowtext;border-left-style:solid;border-right-style:solid;border-top-style:none;border-width:1px;padding:0px;width:8.04%;" width="8%"><p style="margin-top:6.0pt;text-align:center;"><span lang="VI">18</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:35.18%;" width="35%"><p style="margin-top:6.0pt;"><span lang="VI">Chromi (6+) (Cr<sup>6+</sup>)</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:56.78%;" width="56%"><p style="margin-top:6.0pt;"><span lang="VI">NIOSH Method 7600;</span></p><p style="margin-top:6.0pt;"><span lang="VI">OSHA Method ID 215;&nbsp;</span></p><p style="margin-top:6.0pt;"><span lang="VI">ASTM D 6832</span></p></td></tr><tr><td style="border-bottom-style:solid;border-color:windowtext;border-left-style:solid;border-right-style:solid;border-top-style:none;border-width:1px;padding:0px;width:8.04%;" width="8%"><p style="margin-top:6.0pt;text-align:center;"><span lang="VI">19</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:35.18%;" width="35%"><p style="margin-top:6.0pt;"><span lang="VI">Hydrofluoride (HF)</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:56.78%;" width="56%"><p style="margin-top:6.0pt;"><span lang="VI">MASA 809;</span></p><p style="margin-top:6.0pt;"><span lang="VI">MASA 205;&nbsp;</span></p><p style="margin-top:6.0pt;"><span lang="VI">MASA 203F;</span></p><p style="margin-top:6.0pt;"><span lang="VI">NIOSH Method 7906</span></p></td></tr><tr><td style="border-bottom-style:solid;border-color:windowtext;border-left-style:solid;border-right-style:solid;border-top-style:none;border-width:1px;padding:0px;width:8.04%;" width="8%"><p style="margin-top:6.0pt;text-align:center;"><span lang="VI">20</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:35.18%;" width="35%"><p style="margin-top:6.0pt;"><span lang="VI">Hydro Cyanide (HCN)</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:56.78%;" width="56%"><p style="margin-top:6.0pt;"><span lang="VI">NIOSH Method 6017;</span></p><p style="margin-top:6.0pt;"><span lang="VI">NIOSH Method 6010D</span></p></td></tr><tr><td style="border-bottom-style:solid;border-color:windowtext;border-left-style:solid;border-right-style:solid;border-top-style:none;border-width:1px;padding:0px;width:8.04%;" width="8%"><p style="margin-top:6.0pt;text-align:center;"><span lang="VI">21</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:35.18%;" width="35%"><p style="margin-top:6.0pt;"><span lang="VI">Mangan (Mn)</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:56.78%;" width="56%"><p style="margin-top:6.0pt;"><span lang="VI">ASTM D4185-96;&nbsp;</span></p><p style="margin-top:6.0pt;"><span lang="VI">NIOSH 7300;</span></p><p style="margin-top:6.0pt;"><span lang="VI">US EPA Compendium Method IO-3.2;&nbsp;</span></p><p style="margin-top:6.0pt;"><span lang="VI">US EPA Compendium Method IO-3.3;</span></p><p style="margin-top:6.0pt;"><span lang="VI">US EPA Compendium Method IO-3.4</span></p></td></tr><tr><td style="border-bottom-style:solid;border-color:windowtext;border-left-style:solid;border-right-style:solid;border-top-style:none;border-width:1px;padding:0px;width:8.04%;" width="8%"><p style="margin-top:6.0pt;text-align:center;"><span lang="VI">22</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:35.18%;" width="35%"><p style="margin-top:6.0pt;"><span lang="VI">Nickel (Ni)</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:56.78%;" width="56%"><p style="margin-top:6.0pt;"><span lang="VI">ASTM D4185-96;</span></p><p style="margin-top:6.0pt;"><span lang="VI">NIOSH 7 Method 300;</span></p><p style="margin-top:6.0pt;"><span lang="VI">US EPA Compendium Method IO-3.2;</span></p><p style="margin-top:6.0pt;"><span lang="VI">US EPA Compendium Method IO-3.3;&nbsp;</span></p><p style="margin-top:6.0pt;"><span lang="VI">US EPA Compendium Method IO-3.4</span></p></td></tr><tr><td style="border-bottom-style:solid;border-color:windowtext;border-left-style:solid;border-right-style:solid;border-top-style:none;border-width:1px;padding:0px;width:8.04%;" width="8%"><p style="margin-top:6.0pt;text-align:center;"><span lang="VI">23</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:35.18%;" width="35%"><p style="margin-top:6.0pt;"><span lang="VI">Thủy ngân (Hydrargyrum) (Hg)</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:56.78%;" width="56%"><p style="margin-top:6.0pt;"><span lang="VI">ISO 17733:2015;</span></p><p style="margin-top:6.0pt;"><span lang="VI">NIOSH Method 6009;&nbsp;</span></p><p style="margin-top:6.0pt;"><span lang="VI">OSHA Method ID 140</span></p></td></tr><tr><td style="border-bottom-style:solid;border-color:windowtext;border-left-style:solid;border-right-style:solid;border-top-style:none;border-width:1px;padding:0px;width:8.04%;" width="8%"><p style="margin-top:6.0pt;text-align:center;"><span lang="VI">24</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:35.18%;" width="35%"><p style="margin-top:6.0pt;"><span lang="VI">Natri hydroxide (NaOH)</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:56.78%;" width="56%"><p style="margin-top:6.0pt;"><span lang="VI">ISO 17091:2013;</span></p><p style="margin-top:6.0pt;"><span lang="VI">NIOSH Method 7401</span></p></td></tr><tr><td style="border-bottom-style:solid;border-color:windowtext;border-left-style:solid;border-right-style:solid;border-top-style:none;border-width:1px;padding:0px;width:8.04%;" width="8%"><p style="margin-top:6.0pt;text-align:center;"><span lang="VI">25</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:35.18%;" width="35%"><p style="margin-top:6.0pt;"><span lang="VI">Acrolein (CH2=CHCHO)</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:56.78%;" width="56%"><p style="margin-top:6.0pt;"><span lang="VI">NIOSH method 2501</span></p></td></tr><tr><td style="border-bottom-style:solid;border-color:windowtext;border-left-style:solid;border-right-style:solid;border-top-style:none;border-width:1px;padding:0px;width:8.04%;" width="8%"><p style="margin-top:6.0pt;text-align:center;"><span lang="VI">26</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:35.18%;" width="35%"><p style="margin-top:6.0pt;"><span lang="VI">Acrylonitrile (CH2=CHCN)</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:56.78%;" width="56%"><p style="margin-top:6.0pt;"><span lang="VI">NIOSH method 1604</span></p></td></tr><tr><td style="border-bottom-style:solid;border-color:windowtext;border-left-style:solid;border-right-style:solid;border-top-style:none;border-width:1px;padding:0px;width:8.04%;" width="8%"><p style="margin-top:6.0pt;text-align:center;"><span lang="VI">27</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:35.18%;" width="35%"><p style="margin-top:6.0pt;"><span lang="VI">Aniline (C6H5NH2)</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:56.78%;" width="56%"><p style="margin-top:6.0pt;"><span lang="VI">NIOSH method 2002</span></p></td></tr><tr><td style="border-bottom-style:solid;border-color:windowtext;border-left-style:solid;border-right-style:solid;border-top-style:none;border-width:1px;padding:0px;width:8.04%;" width="8%"><p style="margin-top:6.0pt;text-align:center;"><span lang="VI">28</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:35.18%;" width="35%"><p style="margin-top:6.0pt;"><span lang="VI">Benzene (C6H6)</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:56.78%;" width="56%"><p style="margin-top:6.0pt;"><span lang="VI">TCVN 12247-1:2018;</span></p><p style="margin-top:6.0pt;"><span lang="VI">ASTM D 3686-95;</span></p><p style="margin-top:6.0pt;"><span lang="VI">ISO 16017-1:2000;</span></p><p style="margin-top:6.0pt;"><span lang="VI">US EPA Method TO-17;&nbsp;</span></p><p style="margin-top:6.0pt;"><span lang="VI">MASA 834;</span></p><p style="margin-top:6.0pt;"><span lang="VI">NIOSH Method 1501;</span></p><p style="margin-top:6.0pt;"><span lang="VI">ASTM D 3686-95;</span></p><p style="margin-top:6.0pt;"><span lang="VI">ISO 16017-1:2000;</span></p><p style="margin-top:6.0pt;"><span lang="VI">NIOSH Method 1501</span></p></td></tr><tr><td style="border-bottom-style:solid;border-color:windowtext;border-left-style:solid;border-right-style:solid;border-top-style:none;border-width:1px;padding:0px;width:8.04%;" width="8%"><p style="margin-top:6.0pt;text-align:center;"><span lang="VI">29</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:35.18%;" width="35%"><p style="margin-top:6.0pt;"><span lang="VI">Benzidine (NH2C6H4C6H4NH2)</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:56.78%;" width="56%"><p style="margin-top:6.0pt;"><span lang="VI">NIOSH method 5509</span></p></td></tr><tr><td style="border-bottom-style:solid;border-color:windowtext;border-left-style:solid;border-right-style:solid;border-top-style:none;border-width:1px;padding:0px;width:8.04%;" width="8%"><p style="margin-top:6.0pt;text-align:center;"><span lang="VI">30</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:35.18%;" width="35%"><p style="margin-top:6.0pt;"><span lang="VI">Chloroform (CHCl3)</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:56.78%;" width="56%"><p style="margin-top:6.0pt;"><span lang="VI">NIOSH method 1003</span></p></td></tr><tr><td style="border-bottom-style:solid;border-color:windowtext;border-left-style:solid;border-right-style:solid;border-top-style:none;border-width:1px;padding:0px;width:8.04%;" width="8%"><p style="margin-top:6.0pt;text-align:center;"><span lang="VI">31</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:35.18%;" width="35%"><p style="margin-top:6.0pt;"><span lang="VI">Tổng Hydrocarbon (CxHy)</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:56.78%;" width="56%"><p style="margin-top:6.0pt;"><span lang="VI">NIOSH method 1500</span></p></td></tr><tr><td style="border-bottom-style:solid;border-color:windowtext;border-left-style:solid;border-right-style:solid;border-top-style:none;border-width:1px;padding:0px;width:8.04%;" width="8%"><p style="margin-top:6.0pt;text-align:center;"><span lang="VI">32</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:35.18%;" width="35%"><p style="margin-top:6.0pt;"><span lang="VI">Formaldehyde (HCHO)</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:56.78%;" width="56%"><p style="margin-top:6.0pt;"><span lang="VI">NIOSH Method 2541;</span></p><p style="margin-top:6.0pt;"><span lang="VI">NIOSH Method 3500;</span></p><p style="margin-top:6.0pt;"><span lang="VI">OSHA Method 52;</span></p><p style="margin-top:6.0pt;"><span lang="VI">US EPA Compendium Method TO-11A</span></p></td></tr><tr><td style="border-bottom-style:solid;border-color:windowtext;border-left-style:solid;border-right-style:solid;border-top-style:none;border-width:1px;padding:0px;width:8.04%;" width="8%"><p style="margin-top:6.0pt;text-align:center;"><span lang="VI">33</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:35.18%;" width="35%"><p style="margin-top:6.0pt;"><span lang="VI">Naphtalene (C10H8)</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:56.78%;" width="56%"><p style="margin-top:6.0pt;"><span lang="VI">OSHA Method 35;</span></p><p style="margin-top:6.0pt;"><span lang="VI">NIOSH method 1501</span></p></td></tr><tr><td style="border-bottom-style:solid;border-color:windowtext;border-left-style:solid;border-right-style:solid;border-top-style:none;border-width:1px;padding:0px;width:8.04%;" width="8%"><p style="margin-top:6.0pt;text-align:center;"><span lang="VI">34</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:35.18%;" width="35%"><p style="margin-top:6.0pt;"><span lang="VI">Phenol (C6H5OH)</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:56.78%;" width="56%"><p style="margin-top:6.0pt;"><span lang="VI">NIOSH Method 3502;</span></p><p style="margin-top:6.0pt;"><span lang="VI">OSHA Method 32;</span></p><p style="margin-top:6.0pt;"><span lang="VI">NIOSH 2546</span></p></td></tr><tr><td style="border-bottom-style:solid;border-color:windowtext;border-left-style:solid;border-right-style:solid;border-top-style:none;border-width:1px;padding:0px;width:8.04%;" width="8%"><p style="margin-top:6.0pt;text-align:center;"><span lang="VI">35</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:35.18%;" width="35%"><p style="margin-top:6.0pt;"><span lang="VI">Tetrachloethylene (C2Cl4)</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:56.78%;" width="56%"><p style="margin-top:6.0pt;"><span lang="VI">US.EPA Method TO-17;</span></p><p style="margin-top:6.0pt;"><span lang="VI">NIOSH Method 1003</span></p></td></tr><tr><td style="border-bottom-style:solid;border-color:windowtext;border-left-style:solid;border-right-style:solid;border-top-style:none;border-width:1px;padding:0px;width:8.04%;" width="8%"><p style="margin-top:6.0pt;text-align:center;"><span lang="VI">36</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:35.18%;" width="35%"><p style="margin-top:6.0pt;"><span lang="VI">Vinyl chloride (CICH=CH2)</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:56.78%;" width="56%"><p style="margin-top:6.0pt;"><span lang="VI">US EPA Method TO-17;</span></p><p style="margin-top:6.0pt;"><span lang="VI">NIOSH Method 1007</span></p></td></tr><tr><td style="border-bottom-style:solid;border-color:windowtext;border-left-style:solid;border-right-style:solid;border-top-style:none;border-width:1px;padding:0px;width:8.04%;" width="8%"><p style="margin-top:6.0pt;text-align:center;"><span lang="VI">37</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:35.18%;" width="35%"><p style="margin-top:6.0pt;"><span lang="VI">Ammonia (NH3)</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:56.78%;" width="56%"><p style="margin-top:6.0pt;"><span lang="VI">TCVN 5293:1995;</span></p><p style="margin-top:6.0pt;"><span lang="VI">MASA 401</span></p></td></tr><tr><td style="border-bottom-style:solid;border-color:windowtext;border-left-style:solid;border-right-style:solid;border-top-style:none;border-width:1px;padding:0px;width:8.04%;" width="8%"><p style="margin-top:6.0pt;text-align:center;"><span lang="VI">38</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:35.18%;" width="35%"><p style="margin-top:6.0pt;"><span lang="VI">Acetaldehyde (CH3CHO)</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:56.78%;" width="56%"><p style="margin-top:6.0pt;"><span lang="VI">NIOSH Method 2538</span></p></td></tr><tr><td style="border-bottom-style:solid;border-color:windowtext;border-left-style:solid;border-right-style:solid;border-top-style:none;border-width:1px;padding:0px;width:8.04%;" width="8%"><p style="margin-top:6.0pt;text-align:center;"><span lang="VI">39</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:35.18%;" width="35%"><p style="margin-top:6.0pt;"><span lang="VI">Acid Propionic (CH3CH2COOH)</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:56.78%;" width="56%"><p style="margin-top:6.0pt;"><span lang="VI">OSHA method PV2293</span></p></td></tr><tr><td style="border-bottom-style:solid;border-color:windowtext;border-left-style:solid;border-right-style:solid;border-top-style:none;border-width:1px;padding:0px;width:8.04%;" width="8%"><p style="margin-top:6.0pt;text-align:center;"><span lang="VI">40</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:35.18%;" width="35%"><p style="margin-top:6.0pt;"><span lang="VI">Hydrosulfide (H2S)</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:56.78%;" width="56%"><p style="margin-top:6.0pt;"><span lang="VI">MASA 701</span></p></td></tr><tr><td style="border-bottom-style:solid;border-color:windowtext;border-left-style:solid;border-right-style:solid;border-top-style:none;border-width:1px;padding:0px;width:8.04%;" width="8%"><p style="margin-top:6.0pt;text-align:center;"><span lang="VI">41</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:35.18%;" width="35%"><p style="margin-top:6.0pt;"><span lang="VI">Mercaptan tính theo Methyl Mercaptan (CH3SH)</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:56.78%;" width="56%"><p style="margin-top:6.0pt;"><span lang="VI">TCVN 10026:2020 (ASTM D2913-14);&nbsp;</span></p><p style="margin-top:6.0pt;"><span lang="VI">ASTM D2913 - 96(2007);</span></p><p style="margin-top:6.0pt;"><span lang="VI">NIOSH Method 2452</span></p></td></tr><tr><td style="border-bottom-style:solid;border-color:windowtext;border-left-style:solid;border-right-style:solid;border-top-style:none;border-width:1px;padding:0px;width:8.04%;" width="8%"><p style="margin-top:6.0pt;text-align:center;"><span lang="VI">42</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:35.18%;" width="35%"><p style="margin-top:6.0pt;"><span lang="VI">Styrene (C6H5CH=CH2)</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:56.78%;" width="56%"><p style="margin-top:6.0pt;"><span lang="VI">TCVN 12247-1:2018;</span></p><p style="margin-top:6.0pt;"><span lang="VI">ASTM D 3686-95;</span></p><p style="margin-top:6.0pt;"><span lang="VI">ISO 16017-1:2000;</span></p><p style="margin-top:6.0pt;"><span lang="VI">US EPA Method TO-17;&nbsp;</span></p><p style="margin-top:6.0pt;"><span lang="VI">MASA 834;</span></p><p style="margin-top:6.0pt;"><span lang="VI">NIOSH Method 1501;</span></p><p style="margin-top:6.0pt;"><span lang="VI">ASTM D 3686-95</span></p></td></tr><tr><td style="border-bottom-style:solid;border-color:windowtext;border-left-style:solid;border-right-style:solid;border-top-style:none;border-width:1px;padding:0px;width:8.04%;" width="8%"><p style="margin-top:6.0pt;text-align:center;"><span lang="VI">43</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:35.18%;" width="35%"><p style="margin-top:6.0pt;"><span lang="VI">Toluene (C6H5CH3)</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:56.78%;" width="56%"><p style="margin-top:6.0pt;"><span lang="VI">TCVN 12247-1:2018;</span></p><p style="margin-top:6.0pt;"><span lang="VI">ISO 16017-1:2000;</span></p><p style="margin-top:6.0pt;"><span lang="VI">US EPA Method TO-17;&nbsp;</span></p><p style="margin-top:6.0pt;"><span lang="VI">MASA 834;</span></p><p style="margin-top:6.0pt;"><span lang="VI">NIOSH Method 1501;</span></p><p style="margin-top:6.0pt;"><span lang="VI">ASTM D 3686-95</span></p></td></tr><tr><td style="border-bottom-style:solid;border-color:windowtext;border-left-style:solid;border-right-style:solid;border-top-style:none;border-width:1px;padding:0px;width:8.04%;" width="8%"><p style="margin-top:6.0pt;text-align:center;"><span lang="VI">44</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:35.18%;" width="35%"><p style="margin-top:6.0pt;"><span lang="VI">Xylene (C6H4(CH3)2)</span></p></td><td style="border-bottom:1px solid windowtext;border-left-style:none;border-right:1px solid windowtext;border-top-style:none;padding:0px;width:56.78%;" width="56%"><p style="margin-top:6.0pt;"><span lang="VI">TCVN 12247-1:2018;</span></p><p style="margin-top:6.0pt;"><span lang="VI">ASTM D 3686-95;</span></p><p style="margin-top:6.0pt;"><span lang="VI">ISO 16017-1:2000;</span></p><p style="margin-top:6.0pt;"><span lang="VI">US EPA Method TO-17;&nbsp;</span></p><p style="margin-top:6.0pt;"><span lang="VI">MASA 834;</span></p><p style="margin-top:6.0pt;"><span lang="VI">NIOSH Method 1501</span></p></td></tr></tbody></table>
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