Natural Essence Plus Testing Results Testing Results Indoor Air Quality CertifiedANSI A137.1 Dynamic CoefficientASTM D903 Peel StrengthASTM D2047 James MachineASTM D4060 Abrasion ResistanceASTM D6007 FormaldehydeASTM E648 Critical Radiant FluxASTM F387 Thickness Foam LayerASTM F410 ThicknessASTM F970 Static LoadASTM F1514 HeatASTM F1914 ASTM F3261ASTM F2199CPSC-C1001-09.3 PhthalatesIIC Sound E492ISO 4918 Castor ChairISO 24334 Locking StrengthSTC Sound E90