Barium compounds

Chemical NameBarium compounds (except for barium sulfate (CAS No. 7727-43-7))
Qualifierexcept for barium sulfate (CAS No. 7727-43-7)
Category IDN040
Category DescriptionIncludes any unique chemical substance that contains barium as part of that chemical’s infrastructure.
De minimis Limit %1
M,P/OU Threshould (lb)25,000/10,000
Listing TypeChemical category
Effective Date01-JAN-87
Chemical QualifierYes
Chemical of Special ConcernNo
Per- or Polyfluoroalkyl SubstanceNo

Rulemaking Changes Affecting This Chemical

StatusEffective Reporting YearFR Proposed RuleFR Final Rule
Denial of petition to delist———No proposed rule for this action62 FR 366 (1/3/1997)
Modified 199358 FR 32622 (6/11/1993)59 FR 33205 (6/28/1994)

Default Percentages for Section 6.1 Transfers

% of §6.1 to §:
Structural image
Structural representation of Barium compounds (except for barium sulfate (CAS No. 7727-43-7))