40 CFR 721.4140 Hexachloronorbornadiene [58 FR 34204, June 23, 1993] https://chemreg.net/regulations/gmsds_oct18-667.pdf/view https://chemreg.net/@@site-logo/ChemReg-branding.png 40 CFR 721.4140 Hexachloronorbornadiene [58 FR 34204, June 23, 1993] Loading The Document Viewer requires that you enable Javascript. Download GMSDS Oct18-667.pdf — 54.7177734375 KB