Section 172.101 49 CFR Ch. I (10-1-18 Edition) TABLE 1 TO APPENDIX A - HAZARDOUS SUBSTANCES OTHER THAN RADIONUCLIDES - Continued Reportable quantity (RQ) pounds (kilograms) Hazardous substance K132 K136 K141 K142 K143 K144 K145 K147 K148 K149 K150 K151 K156 K157 K158 K159 K161 K169 K170 K171 K172 K174 K175 K176 K177 K178 K181 .......................................................................................................................................................................... .......................................................................................................................................................................... .......................................................................................................................................................................... .......................................................................................................................................................................... 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.......................................................................................................................................................................... .......................................................................................................................................................................... .......................................................................................................................................................................... 1000 (454) 1 (0.454) 1 (0.454) 1 (0.454) 1 (0.454) 1 (0.454) 1 (0.454) 1 (0.454) 1 (0.454) 10 (4.54) 10 (4.54) 10 (4.54) 10 (4.54) 10 (4.54) 10 (4.54) 10 (4.54) 1 (0.454) 10 (4.54) 1 (0.454) 1 (0.454) 1 (0.454) 1 (0.454) 1 (0.454) 1 (0.454) 5000 (2270) 1000 (454) 1 (0.454) Section The RQ for these hazardous substances is limited to those pieces of the metal having a diameter smaller than 100 micrometers (0.004 inches). Section The RQ for asbestos is limited to friable forms only. @ Indicates that the name was added by PHMSA because (1) the name is a synonym for a specific hazardous substance and (2) the name appears in the Hazardous Materials Table as a proper shipping name. # To provide consistency with EPA regulations, two entries with different CAS numbers are provided. Refer to the EPA Table 302.4 - List of Hazardous Substances and Reportable Quantities for an explanation of the two entries. TABLE 2 TO APPENDIX A - RADIONUCLIDES - Continued LIST OF HAZARDOUS SUBSTANCES AND REPORTABLE QUANTITIES TABLE 2 TO APPENDIX A - RADIONUCLIDES (1) - Radionuclide (2) - Atomic Number (1) - Radionuclide Actinium-224 ............................ Actinium-225 ............................ Actinium-226 ............................ Actinium-227 ............................ Actinium-228 ............................ Aluminum-26 ............................ Americium-237 ......................... Americium-238 ......................... Americium-239 ......................... Americium-240 ......................... Americium-241 ......................... Americium-242 ......................... Americium-242m ...................... Americium-243 ......................... Americium-244 ......................... Americium-244m ...................... Americium-245 ......................... Americium-246 ......................... Americium-246m ...................... Antimony-115 .......................... Antimony-116 .......................... Antimony-116m ....................... Antimony-117 .......................... 89 89 89 89 89 13 95 95 95 95 95 95 95 95 95 95 95 95 95 51 51 51 51 (3) - Reportable Quantity (RQ) Ci (TBq) 100 (3.7) 1 (.037) 10 (.37) 0.001 (.000037) 10 (.37) 10 (.37) 1000 (37) 100 (3.7) 100 (3.7) 10 (.37) 0.01 (.00037) 100 (3.7) 0.01 (.00037) 0.01 (.00037) 10 (.37) 1000 (37) 1000 (37) 1000 (37) 1000 (37) 1000 (37) 1000 (37) 100 (3.7) 1000 (37) (2) - Atomic Number Antimony-118m ....................... Antimony-119 .......................... Antimony-120 (16 min) ............ Antimony-120 (5.76 day) ......... Antimony-122 .......................... Antimony-124 .......................... Antimony-124m ....................... Antimony-125 .......................... Antimony-126 .......................... Antimony-126m ....................... Antimony-127 .......................... Antimony-128 (10.4 min) ......... Antimony-128 (9.01 hr) ........... Antimony-129 .......................... Antimony-130 .......................... Antimony-131 .......................... Argon-39 .................................. Argon-41 .................................. Arsenic-69 ............................... Arsenic-70 ............................... Arsenic-71 ............................... Arsenic-72 ............................... Arsenic-73 ............................... Arsenic-74 ............................... Arsenic-76 ............................... 51 51 51 51 51 51 51 51 51 51 51 51 51 51 51 51 18 18 33 33 33 33 33 33 33 332 VerDate Sep<11>2014 16:41 Oct 31, 2018 Jkt 244226 PO 00000 Frm 00342 Fmt 8010 Sfmt 8010 Q:\49\49V2.TXT PC31 (3) - Reportable Quantity (RQ) Ci (TBq) 10 (.37) 1000 (37) 1000 (37) 10 (.37) 10 (.37) 10 (.37) 1000 (37) 10 (.37) 10 (.37) 1000 (37) 10 (.37) 1000 (37) 10 (.37) 100 (3.7) 100 (3.7) 1000 (37) 1000 (37) 10 (.37) 1000 (37) 100 (3.7) 100 (3.7) 10 (.37) 100 (3.7) 10 (.37) 100 (3.7)