is steel slag hazardous

/Font << 0000002224 00000 n �c(6�5)f;��j�mki�ұE}��M?Kx��[k��}f�J�'� ��1hV޳�.6��6���"�X�:���7Q��D��9��\���cDTik��3��-�#�Q��7�o�[�G�!�Ў[G�%�$py��J;��n�}��j�-�#�Q���~��!�U�Џ. /Type /StructTreeRoot Because much of the CKD is unreacted raw materials, it is often returned to the production process. /Group << 21 375 0 R 22 376 0 R 23 [377 0 R 378 0 R 379 0 R 380 0 R 381 0 R 382 0 R 383 0 R 384 0 R 385 0 R 386 0 R 132 0 R 133 0 R] /Header /Sect /Group << >> >> /Type /Pages /S /Transparency /Contents 35 0 R 108 0 R 109 0 R 110 0 R 111 0 R 112 0 R] >> /Tabs /S /Type /Group /Contents 68 0 R /Type /Page >> /Artifact /Sect Due to its reactivity with water and the nature of the contaminants it contains, salt slag or salt cake as it sometimes known is now classed as a hazardous waste. Reusing the co-products of the steel industry, BlueScope Steel. trailer << /Size 37 /Info 15 0 R /Root 18 0 R /Prev 80577 /ID[<3b6dd24517bdb9502769917be719fa3d><068718608df1cdedf7b7d13332918dbe>] >> startxref 0 %%EOF 18 0 obj << /Type /Catalog /Pages 14 0 R /Metadata 16 0 R /PageLabels 13 0 R >> endobj 35 0 obj << /S 81 /L 153 /Filter /FlateDecode /Length 36 0 R >> stream 281 0 R 282 0 R 283 0 R 284 0 R 285 0 R 286 0 R 287 0 R 288 0 R 289 0 R 290 0 R] SLAG is an industrial waste product – there is no standards about the quality of it. /StructParents 30 /Type /Page /Image243 50 0 R /Tabs /S >> The rest of waste, which >> /Annotation /Sect /Contents 44 0 R /MediaBox [0 0 595.32 841.92] 16 0 obj /StructTreeRoot 3 0 R The reuse of this recycled material may generate potential release of toxic compounds for the environment and humans. 17 0 obj << /Linearized 1 /O 19 /H [ 840 257 ] /L 81045 /E 52154 /N 2 /T 80587 >> endobj xref 17 20 0000000016 00000 n /F5 41 0 R 177 0 R 177 0 R 177 0 R 177 0 R 178 0 R 178 0 R 178 0 R 178 0 R 178 0 R 178 0 R Until the last decade, the slag, dust and sludge generated by integrated steel plants was called waste", but now this term has been replaced … /Resources << /Annots [69 0 R 70 0 R 71 0 R 72 0 R 73 0 R 74 0 R 75 0 R 76 0 R 77 0 R 78 0 R 25 405 0 R 26 [406 0 R 407 0 R 408 0 R 409 0 R 410 0 R 411 0 R 412 0 R 413 0 R 414 0 R 415 0 R This quality protocol applies to England, Wales and Northern Ireland. /Contents 56 0 R In the past, slag was taken from the blast furnace, basic oxygen furnace (BOF), and electric arc furnace (EAF) and hauled off to a hazardous dump site where millions of tons have accumulated. /Resources << Steel slag aggregates can be acidic or basic and can leach hazardous elements (Pellegrino and Faleschini, 2016). What is in it depends on what was the raw material used for the production of iron – e.g. Please see Section 8 of SDS for more details. >> These were identified to EPA by a consulting firm requested to examine all steel-industry products, including slag, to determine which were hazardous under EPA criteria. /Group << >> >> /Meta256 57 0 R /Resources << /Endnote /Note /CS /DeviceRGB 0000002701 00000 n /Font << /Tabs /S Granulated Blast Furnace Slag is obtained by rapid cooling or quenching of molten slag and is … /Meta270 63 0 R /F5 41 0 R /Type /Page endobj 17 0 obj 0000006189 00000 n /Group << >> AIMS AND BACKGROUND In Serbia, only in manufacturing plants of the steel mill Smederevo, over 1 150 000 t of industrial waste generate each year. /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] 1 0 obj >> 368 0 R 369 0 R 370 0 R 371 0 R 372 0 R 373 0 R 374 0 R] /F1 36 0 R endobj Keywords: industrial waste, steel slag, sludge, geotechnical parameters, shear strength. 215 0 R 216 0 R 217 0 R 218 0 R 219 0 R 220 0 R 488 0 R 288 0 R 289 0 R 290 0 R /CS /DeviceRGB /S /Transparency 21 0 obj << 12 0 obj /P 3 0 R 241 0 R 242 0 R 243 0 R 244 0 R 245 0 R 246 0 R 247 0 R 248 0 R 249 0 R 250 0 R >> /Author (Zulfiadi Zulhan) >> 476 0 R] Slag is a stone-like byproduct of smelting iron ore and other ingredients into steel. 137 0 R 138 0 R 139 0 R 140 0 R 141 0 R 142 0 R 142 0 R 142 0 R 142 0 R 142 0 R /Annots [39 0 R] /Font << /Type /Catalog /F1 36 0 R /F1 36 0 R /F4 42 0 R /F6 53 0 R endobj 27 477 0 R 28 478 0 R 29 479 0 R >> endobj /Pages 2 0 R >> 2, 10, 01/2006. /MediaBox [0 0 595.32 841.92] Rather, it forms amorphous, glassy solids ranging from fine sand to large blocks which can be extremely hard. 6 0 obj /Font << /Meta267 62 0 R /Image244 51 0 R >> /Font << >> 231 0 R 232 0 R 233 0 R 234 0 R 235 0 R 236 0 R 237 0 R 238 0 R 239 0 R 240 0 R 79 0 R 80 0 R 81 0 R 82 0 R] /Image238 47 0 R 0000001446 00000 n CKD that is not returned to the system, typically due to the presence of undesired constituents such as alkali metals, is disposed of in landfills, or sold for beneficial use. /Resources << /MediaBox [0 0 595.32 841.92] /Resources << In some EAF steel shops, where sponge iron (DRI/HBI) is charged more than 80%, slag composition is controlled by composition of sponge iron. /Font << On page 33124, four steel-industry substances were listed. endobj /Type /Page m�k���N�� /BM /Normal /CS /DeviceRGB /Type /Group Second, care must be taken to improve slag potential for other purposes without compromising the quality of the metal is it originally used to produce. >> << As a result of growing environmental awareness, iron and steel slag is highly regarded as a recycled material that can reduce impacts on the environment due to its resource-conservation and energy-saving effects. 181 0 R 181 0 R 181 0 R 181 0 R 181 0 R 181 0 R 181 0 R 181 0 R 181 0 R 181 0 R /XObject << Section 2 –Hazard(s) Identification 2(a) Classification of the Chemical: EAF Slag is considered a hazardous material according to the criteria specified in REACH [REGULATION (EC) No 1907/2006] and CLP [REGULATION (EC) No 1272/2008] and OSHA 29 … LPW5B Issue Date May 2013 Status ISSUED by BSLNSW BS: 1.14.3 1. 481 0 R 481 0 R 481 0 R 481 0 R 481 0 R 481 0 R 481 0 R 481 0 R 481 0 R 481 0 R 0000001659 00000 n hazardous by EPA. /CS /DeviceRGB /XObject << /Footer /Sect /Image234 45 0 R endobj /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] /F5 41 0 R /Worksheet /Part 126 0 R 127 0 R 128 0 R 129 0 R 130 0 R 133 0 R] /Parent 2 0 R (EAFS), as one of the most significant types of non-hazardous metallurgical waste, was carried out through an examination of its physical and chemical properties with special emphasis on chemical and structural characteristics and potential use in road construction. 204 0 R 205 0 R 206 0 R 487 0 R 209 0 R 210 0 R 211 0 R 212 0 R 213 0 R 214 0 R >> Therefore, in the steel slag standards used in civil engineering works,4) for example, only five species, i.e., Pb, Cr6+, Se, F, and B, are specified as environmentally hazardous. >> /Type /Group /Annots [87 0 R] /Type /Group 1. /Lang (en-US) /Font << Note: This MSDS covers many types of slag. 271 0 R 272 0 R 273 0 R 274 0 R 275 0 R 276 0 R 277 0 R 278 0 R 279 0 R 280 0 R But Material Safety Data Sheets for GGBFS from around the world contradict the claim that none of the slag material is toxic. >> /Contents 40 0 R When the final product is no longer waste. Not classified as hazardous according to criteria of NOHSC STEEL FURNACE SLAG Infosafe™ No. �+Sl�V����˗���Gޗ"���%{O���ȇ�,Ej籬s�/�rF �}S��t���6�Z����;[�� /LW 1 Slag from steel mills in ferrous smelting, on the other hand, is designed to minimize iron loss and so mainly contains oxides of calcium, silicon, magnesium, and aluminium. /F1 36 0 R >> /Contents 52 0 R /Image236 46 0 R /Parent 2 0 R /Contents 67 0 R Coke production during steel manufacturing is one of the primary hazardous materials sources. /Width 320 /rgid (PB:260980266_AS:98686180790275@1400540027189) << 3 [134 0 R 134 0 R 134 0 R 134 0 R 134 0 R 134 0 R 134 0 R 134 0 R 134 0 R 134 0 R /S /Transparency 143 0 R 144 0 R 145 0 R 146 0 R 147 0 R 148 0 R 149 0 R 150 0 R 151 0 R 152 0 R >> 163 0 R 164 0 R 165 0 R 166 0 R 167 0 R 168 0 R 169 0 R 170 0 R 171 0 R 172 0 R Energy use in the steel industry report, worldsteel, 2014. /Resources << >> 116 0 R 117 0 R 118 0 R 119 0 R 120 0 R 121 0 R 122 0 R 123 0 R 124 0 R 125 0 R Any sandy component or quartz component of the original ore automatically carries through the smelting process as silicon dioxide. 0000000840 00000 n /CS /DeviceRGB endobj /LC 0 >> /ca 1 >> /Parent 2 0 R /Diagram /Figure /Height 320 Even though it can be recycled, slag is frequently sent to landfills for disposal. Cement kiln dust (CKD) is a fine-grained solid by-product generated during the cement manufacturing process and captured by the facility’s air pollution control system. /Font << 4 0 obj 18 0 obj /StructParents 26 491 0 R 337 0 R 338 0 R 492 0 R 371 0 R 372 0 R 373 0 R 374 0 R 377 0 R 378 0 R << /ca .2 endobj /Parent 2 0 R 0000048707 00000 n Referred to PP 18 Jo 85 1999, steel slag is categorized as hazardous waste. /F4 23 0 R 185 0 R 185 0 R 185 0 R 185 0 R 185 0 R 185 0 R 185 0 R 185 0 R] /Parent 2 0 R /Slide /Part /Workbook /Document 5 186 0 R 6 187 0 R 7 188 0 R 8 189 0 R 9 190 0 R 0000001097 00000 n endobj /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] >> << x��yp��}�h i�f&i2�2S�4d�IҤM�I�v��1M�6�N2iC�M�dhJ��Ʒ�|��`cc|b�ԧ$�>�u�CƦHZ�m�p��:˫߻Z��~�Ϯ���}w�w?�~��_�R Ѕ7����������f���������R�:f���z����\i�t�*\�n��]߸�Kw�7�Q޺63�p�:r�d�����k�-�U����t���!�z��1�l�k�k��͍h�mlm=�N���.l��6�k��j���ce�p��p�� ? /Font << /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] endobj /CA 1 >> endobj /Producer >> /F3 38 0 R /SMask 498 0 R /Contents 83 0 R /LJ 0 /Chart /Sect 10 191 0 R 11 192 0 R 12 193 0 R 13 194 0 R 14 195 0 R /StructParents 0 183 0 R 183 0 R 183 0 R 183 0 R 183 0 R 183 0 R 183 0 R 184 0 R 185 0 R 185 0 R 338 0 R 339 0 R 340 0 R 341 0 R 342 0 R 343 0 R 344 0 R 345 0 R 346 0 R 347 0 R /StructParents 18 484 0 R 485 0 R 111 0 R 112 0 R 486 0 R 199 0 R 200 0 R 201 0 R 202 0 R 203 0 R << 2 0 obj Legal Status of Slags, European Slag Association (Euroslag), pp. endobj 173 0 R 174 0 R 175 0 R 176 0 R 176 0 R 176 0 R 176 0 R 176 0 R 176 0 R 176 0 R 291 0 R 292 0 R 293 0 R 294 0 R 295 0 R 296 0 R 297 0 R 489 0 R 490 0 R 333 0 R 142 0 R 142 0 R 142 0 R 142 0 R 142 0 R 142 0 R 142 0 R 142 0 R 142 0 R 142 0 R /Type /XObject %PDF-1.5 /StructParents 20 endobj << /G3 18 0 R H‰ŒW˒ÓJÝû+*zså [èý`VÍ¥áö4í˜ÅÀ,ÊrÙ-%$Óô|ýœÌzøIÄ´*+óäɓ™o“W‹E$B±XOÂBø…¿òHäAìGb±¼úsÈD5ð1TíäÕûÇPl†I ýñÇyèÇY‹ÅÛÉ>†üÝý—OB¶+ñ¸¸»û ?ܾ¤«p"1Nd~iüàS”—"Ë?Ëșó'£ÈÇôµ>E¼ÎŽ.h72¾F^Ä|w.æÂ. /Chartsheet /Part 5 0 obj 0000000747 00000 n /Parent 2 0 R 413 0 R 495 0 R 453 0 R 454 0 R 455 0 R 496 0 R 466 0 R 467 0 R 468 0 R 469 0 R /Annots [26 0 R 27 0 R 28 0 R 29 0 R 30 0 R 31 0 R 32 0 R 33 0 R 34 0 R] << No the material is not mixed with hazardous waste. When a steel slag product is used in a land area, its environmen-tal safety is evaluated by the elution test specified in the Quality Standards for Soil Environment. /Annots [59 0 R 60 0 R] /Annots [54 0 R 55 0 R] endobj /Type /Group /Filter /FlateDecode endobj /StructParents 3 endobj /Kids [5 0 R 6 0 R 7 0 R 8 0 R 9 0 R 10 0 R 11 0 R 12 0 R 13 0 R 14 0 R] >> /MediaBox [0 0 595.32 841.92] endobj 0000001251 00000 n 331 0 R 332 0 R 333 0 R 334 0 R 335 0 R 336 0 R 337 0 R 338 0 R 338 0 R 338 0 R /Contents [85 0 R 86 0 R] /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] << Currently, CKD waste is generally excluded from the definition of hazardous wa… /F4 42 0 R Iron and steel slag is produced as the nonmetallic coproduct of iron and steel production. The concerns with slag recycling are that first, because slag can contain environmentally hazardous materials, it must be analyzed for elemental composition before reuse. >> /F5 24 0 R /Tabs /S /F3 38 0 R /Resources << The slag is decanted from the furnace into a slag pot prior to the removal of the steel from the furnace. /CS /DeviceRGB << 180 0 R 180 0 R 180 0 R 180 0 R 180 0 R 180 0 R 180 0 R 180 0 R 181 0 R 181 0 R /F4 42 0 R << Intended Use of the Product Slag is used as a supplementary cementitious material for cement, concrete and concrete products. >> 0000028880 00000 n /Footnote /Note endobj Slag was tested by EPA standards and found to be non-hazardous. 416 0 R 417 0 R 418 0 R 419 0 R 420 0 R 421 0 R 422 0 R 423 0 R 424 0 R 425 0 R It is also used in soil stabilization and as filler in asphalt and other products that are widely used in construction. >> /StructParents 2 0000006111 00000 n /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] /MarkInfo << %���� 153 0 R 154 0 R 155 0 R 156 0 R 157 0 R 158 0 R 159 0 R 160 0 R 161 0 R 162 0 R Individual composition of hazardous /Type /Group /Length 4601 By 2002, two TXI facilities were able to reuse 340,000 tons of steel slag from Chaparral Steel.18 Metal Finishing Wastewater sludge from metal finishing operations is a hazardous waste that contains recoverable /MediaBox [0 0 594.95996 840.95996] >> << 0000005562 00000 n << /BM /Normal scrape metal, iron ore,.. Orcem claims that absolutely none of the Orcem’s material or products are toxic. << /SA true 387 0 R 388 0 R 389 0 R 390 0 R 391 0 R 392 0 R 393 0 R 394 0 R 395 0 R 396 0 R /Font << Solid wastes generated by integrated iron and steel works cause environmental pollution and therefore must be discarded. /Type /Group /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] >> /ParentTreeNextKey 31 /BM /Normal stream Inc. (TXI), developed the CemStarSM process for reusing steel slag in high quantities. 7. /Image241 49 0 R /Type /Page /StructParents 19 /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] /Tabs /S �[2{��o �O}�����m�glۣ�M�% 8�X�����^h?\mm ��&*���Dj��o]fGJy}�֥����W.�� /StructParents 23 9 0 obj /CS /DeviceRGB /F4 42 0 R /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] 19 0 obj /Parent 2 0 R 209 0 R 209 0 R 210 0 R 211 0 R] /CS /DeviceRGB However, steel slag can be treated as normal waste if TCLP, LD50 and characteristic tests do not indicate hazardous. Steel slags may be reused in recycled materials, such as materials for the construction industry, road base and asphalt mixtures, allowing to reduce the final disposal in a landfill. /Type /Group 183 0 R 183 0 R 183 0 R 183 0 R 183 0 R 183 0 R 183 0 R 183 0 R 183 0 R 183 0 R /Contents 61 0 R /F4 42 0 R 7 0 obj << /Creator %PDF-1.3 %âãÏÓ 311 0 R 312 0 R 313 0 R 314 0 R 315 0 R 316 0 R 317 0 R 318 0 R 319 0 R 320 0 R 436 0 R 437 0 R 438 0 R 439 0 R 440 0 R 441 0 R 442 0 R 443 0 R 444 0 R 445 0 R 261 0 R 262 0 R 263 0 R 264 0 R 265 0 R 266 0 R 267 0 R 268 0 R 269 0 R 270 0 R /X9 22 0 R 1.2. 5. /F5 41 0 R >> /F1 36 0 R /ColorSpace /DeviceRGB 1. 358 0 R 359 0 R 360 0 R 361 0 R 362 0 R 363 0 R 364 0 R 365 0 R 366 0 R 367 0 R /S /Transparency The worldwide average recovery rate for slag varies from over 80% for steelmaking slag to nearly 100% for ironmaking slag. /G10 19 0 R /S /Transparency /MediaBox [0 0 595.32 841.92] The major waste by product from steel production is slag at 79.15% as shown in 1. 30 [480 0 R 480 0 R 480 0 R 480 0 R 480 0 R 480 0 R 480 0 R 480 0 R 480 0 R 481 0 R /Meta259 58 0 R /Dialogsheet /Part Key words: steel slag, acid mine drainage treatment Proceedings of the 1998 Conference on Hazardous Waste Research 45 So quickly, in fact, that very few crystals form. Inorganic arsenic is also found in coke oven emissions from smelter processes. /InlineShape /Sect << /Tabs /S It is also used in soil stabilization >> /X7 21 0 R /Type /Page /Meta17 43 0 R 24 404 0 R /Type /Page 181 0 R 181 0 R 182 0 R 182 0 R 182 0 R 182 0 R 182 0 R 182 0 R 182 0 R 182 0 R /Group << /F4 42 0 R Slags, Steel Making 100 65996-71-6 Other Substances in the product which may present a health or environmental hazard, or which have been assigned occupational exposure limits, are detailed below. 8 0 obj 124 0 R 125 0 R 126 0 R 127 0 R 128 0 R 129 0 R 130 0 R 131 0 R 131 0 R 131 0 R /CreationDate (D:20140123112136+07'00') /F2 37 0 R >> Almost half of it (500 000 t) is been reused, either within the steel mill or beyond. /Annots [64 0 R 65 0 R 66 0 R] /Type /Group /Group << /S /Transparency /F4 42 0 R /Tabs /S /XObject << Croatian EAF black steel slag, generated from carbon steel production process /F3 84 0 R /Parent 2 0 R 4 186 0 R << 251 0 R 252 0 R 253 0 R 254 0 R 255 0 R 256 0 R 257 0 R 258 0 R 259 0 R 260 0 R /Marked true 398 0 R 399 0 R 400 0 R 401 0 R 402 0 R 403 0 R 406 0 R 407 0 R 408 0 R 494 0 R /ExtGState << >> 426 0 R 427 0 R 428 0 R 429 0 R 430 0 R 431 0 R 432 0 R 433 0 R 434 0 R 435 0 R >> /F1 36 0 R 470 0 R 471 0 R 497 0 R 472 0 R 473 0 R 474 0 R 475 0 R 476 0 R 114 0 R 115 0 R 0000001076 00000 n /StructParents 0 Coke ovens emit ammonium compounds, naphthalene, crude light oil, coke dust and sulfur. 483 0 R] /Tabs /S /Resources << Immobilization of Lead, Tungsten, and Phosphate by Steel Slag Fines: Metals Thresholding and Rate Studies Journal of Hazardous, Toxic, and Radioactive Waste February 2014 Leaching Behavior of Lead, Chromium (III), and Zinc in Cement/Metal Oxides Systems /Type /StructElem /F6 25 0 R /BitsPerComponent 8 >> endobj 15 0 obj H‰b```"Þ,``BŽ;R ÂLͦ/%¼N'Ol```Ëèè ’i@ª£¤€F]ïÀÀ QgàgxÆTÀZ ð@쁎7“ÓFÛöÃç¸×ºª3¹0Üa}Áºp¡€hÞ¥aì›x¥A6±7@€ Iüõ endstream endobj 36 0 obj 145 endobj 19 0 obj << /Type /Page /Parent 14 0 R /Resources 20 0 R /Contents 26 0 R /MediaBox [ 0 0 612 792 ] /CropBox [ 0 0 612 792 ] /Rotate 0 >> endobj 20 0 obj << /ProcSet [ /PDF /Text /ImageB ] /Font << /TT2 22 0 R /TT4 24 0 R /TT6 27 0 R >> /XObject << /Im1 34 0 R >> /ExtGState << /GS1 29 0 R >> /ColorSpace << /Cs6 25 0 R >> >> endobj 21 0 obj << /Type /FontDescriptor /Ascent 891 /CapHeight 0 /Descent -216 /Flags 34 /FontBBox [ -568 -307 2028 1007 ] /FontName /JACBOK+TimesNewRoman /ItalicAngle 0 /StemV 0 /FontFile2 31 0 R >> endobj 22 0 obj << /Type /Font /Subtype /TrueType /FirstChar 32 /LastChar 150 /Widths [ 278 0 355 0 0 0 0 191 333 333 0 0 278 333 278 278 556 556 556 556 556 556 556 556 556 556 278 278 0 0 0 0 1015 667 667 722 722 667 611 778 722 278 0 667 556 833 722 778 667 0 722 667 611 0 667 944 0 0 611 0 278 0 0 0 0 556 556 500 556 556 278 556 556 222 222 500 222 833 556 556 556 556 333 500 278 556 500 722 500 500 500 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 222 0 0 0 556 ] /Encoding /WinAnsiEncoding /BaseFont /JACBNE+Arial /FontDescriptor 23 0 R >> endobj 23 0 obj << /Type /FontDescriptor /Ascent 905 /CapHeight 718 /Descent -211 /Flags 32 /FontBBox [ -665 -325 2028 1037 ] /FontName /JACBNE+Arial /ItalicAngle 0 /StemV 94 /XHeight 515 /FontFile2 30 0 R >> endobj 24 0 obj << /Type /Font /Subtype /TrueType /FirstChar 32 /LastChar 45 /Widths [ 250 0 0 0 0 0 0 0 0 0 0 0 0 333 ] /Encoding /WinAnsiEncoding /BaseFont /JACBOK+TimesNewRoman /FontDescriptor 21 0 R >> endobj 25 0 obj [ /ICCBased 33 0 R ] endobj 26 0 obj << /Length 2786 /Filter /FlateDecode >> stream 348 0 R 349 0 R 350 0 R 351 0 R 352 0 R 353 0 R 354 0 R 355 0 R 356 0 R 357 0 R /Parent 2 0 R General Information Blast furnace slag is a by-product of the steel industry produced by adding a limestone flux to the iron-ore to remove non-ferrous contaminants. >> /Macrosheet /Part 178 0 R 178 0 R 178 0 R 179 0 R 179 0 R 179 0 R 179 0 R 179 0 R 179 0 R 179 0 R 301 0 R 302 0 R 303 0 R 304 0 R 305 0 R 306 0 R 307 0 R 308 0 R 309 0 R 310 0 R /Type /Page 0000002446 00000 n 176 0 R 176 0 R 176 0 R 176 0 R 177 0 R 177 0 R 177 0 R 177 0 R 177 0 R 177 0 R /XObject << 0000051384 00000 n /MediaBox [0 0 595.32 841.92] /MediaBox [0 0 595.32 841.92] /S /Sect /K [17 0 R] << endobj 20 0 obj /ModDate (D:20140123112136+07'00') 397 0 R 398 0 R 399 0 R 400 0 R 401 0 R 402 0 R 403 0 R] /Nums [0 [88 0 R 89 0 R 90 0 R 91 0 R 92 0 R 93 0 R 94 0 R 95 0 R 96 0 R 97 0 R >> Specifically, electric arc furnace dust (K061) is a listed hazardous waste. /ML 4 /Group << 1 113 0 R 2 [114 0 R 115 0 R 116 0 R 117 0 R 118 0 R 119 0 R 120 0 R 121 0 R 122 0 R 123 0 R >> /Resources << Today, iron and steel slag is used in many fields where its unique characteristics can be put to effective use. /Group << 134 0 R 134 0 R 134 0 R 135 0 R 135 0 R 135 0 R 135 0 R 135 0 R 135 0 R 136 0 R >> ] /Textbox /Sect 6. >> /S /Transparency 19 [212 0 R 213 0 R 214 0 R 215 0 R 216 0 R 217 0 R 218 0 R 219 0 R 220 0 R 221 0 R /CS /DeviceRGB Individual composition of hazardous constituents will vary between slag types. 222 0 R 223 0 R 224 0 R 225 0 R 226 0 R 227 0 R 228 0 R 229 0 R 229 0 R 230 0 R 98 0 R 99 0 R 100 0 R 101 0 R 102 0 R 103 0 R 104 0 R 105 0 R 106 0 R 107 0 R 13 0 obj >> 0000002662 00000 n /Group << /Parent 2 0 R /S /Transparency /G11 20 0 R >> Steel slag can also be used to absorb contaminants like phosphate, magnesium, iron, calcium, silica and aluminium in the wastewater treatment process, but loses its effectiveness over time. 481 0 R 481 0 R 482 0 R 483 0 R 483 0 R 483 0 R 483 0 R 483 0 R 483 0 R 483 0 R 131 0 R 131 0 R 131 0 R 131 0 R 132 0 R 132 0 R 132 0 R 132 0 R 132 0 R 132 0 R 3 0 obj Dunbar mines slag from its part of the site for such uses as road construction. 20 [291 0 R 292 0 R 293 0 R 294 0 R 295 0 R 296 0 R 297 0 R 298 0 R 299 0 R 300 0 R For example, slags from stainless steel production are susceptible to … /F1 36 0 R /Tabs /S /RoleMap 15 0 R 10 0 obj /Resources << << /Type /Page >> 456 0 R 457 0 R 458 0 R 459 0 R 460 0 R 461 0 R 462 0 R 463 0 R 464 0 R 465 0 R /Subtype /Image 0000036711 00000 n /Type /Page 0000005891 00000 n /F6 53 0 R >> 179 0 R 179 0 R 179 0 R 179 0 R 179 0 R 179 0 R 179 0 R 180 0 R 180 0 R 180 0 R The shot blast dust has been tested for TCLP metals and found not hazardous. Toxicity (40 CFR 261.24) - No, the MSDSs for steel shot and structural steel shows the presence of potential tixic metals. /XObject << >> >> The type produced in making steel does not contain high levels of toxic elements, but slag produced by smelters that refine copper, lead, cadmium and other base metals contains higher levels of potentially hazardous elements. 321 0 R 322 0 R 323 0 R 324 0 R 325 0 R 326 0 R 327 0 R 328 0 R 329 0 R 330 0 R /F4 42 0 R /MediaBox [0 0 595.32 841.92] << /ca 1 /K [88 0 R 89 0 R 90 0 R 91 0 R 92 0 R 93 0 R 94 0 R 95 0 R 96 0 R 97 0 R DHS Charter Steel Slag Health Assessment June 2015 2 steel (many in the form of oxides), and are trapped in the floating slag layer. /Count 10 Nonmetallic Slag, Slag Cement, Hydraulic Slag Cement Note: This SDS covers many types of slag. << /F6 53 0 R Product Use: Slag is used as a supplementary cementitious material for cement, concrete and concrete products. /MediaBox [0 0 595.32 841.92] /Image240 48 0 R >> >> Remedial Applications: Slag Disposal Sites Overview It is estimated that between 7 and 7.5 million metric tons of steel slag is produced each year in the United States. 446 0 R 447 0 R 448 0 R 449 0 R 450 0 R 451 0 R 452 0 R 453 0 R 454 0 R 455 0 R That is particularly true of smelters that were operating at the turn of the century and before, Parsons says. >> After completion of the primary steelmaking process, the liquid metal is further refined by utilizing a 379 0 R 380 0 R 381 0 R 493 0 R 392 0 R 393 0 R 394 0 R 395 0 R 396 0 R 397 0 R 5) Is this a hazardous waste mixture(see40 CFR 261.3(a)(iii) and (iv))? 466 0 R 467 0 R 468 0 R 469 0 R 470 0 R 471 0 R 472 0 R 473 0 R 474 0 R 475 0 R /S /Transparency There are three types of steel industry slag, each named for the process from which it is produced: Blast Furnace (BF) iron slag, Basic Oxygen Furnace (BOF) steel slag, and Electric Arc Furnace (FAF) steel slag. >> /ParentTree 16 0 R 15 196 0 R 16 197 0 R 17 198 0 R 18 [199 0 R 200 0 R 201 0 R 202 0 R 203 0 R 204 0 R 205 0 R 206 0 R 207 0 R 208 0 R >> 11 0 obj �^#�O1X��|�b[}[��� ����u�+oc[˹�v����)��V^v�����h��sFJyk��t��K� �-�� ��)&mG��[��Z� JP 14 0 obj /ProcSet [/PDF /Text /ImageB /ImageC /ImageI] 98 0 R 99 0 R 100 0 R 101 0 R 102 0 R 103 0 R 104 0 R 105 0 R 106 0 R 107 0 R Is unreacted raw materials, it is also found in coke oven emissions from smelter processes, either the... 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