18 CFR Subchapter B - SUBCHAPTER B—SPECIAL REGULATIONS
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- PART 430—GROUND WATER PROTECTION AREA: PENNSYLVANIA (§§ 430.1 - 430.35)
- PARTS 431–439 [RESERVED]
- PART 440—HIGH VOLUME HYDRAULIC FRACTURING (§§ 440.1 - 440.4)
- PARTS 441–499 [RESERVED]