<p>INTERLABORATORY STUDY Styrene iis16C07 lab code: based on scope from ASTM D2827</p><p>Report to: ing. R.J. Starink email [email protected] (preferred) or faxno. + 31 181 69 45 43</p><p>Proficiency test period: September 21 – October 28, 2016</p><p>Report form A for late reported test results of sample #16200 Determination unit Reference Actual unrounded rounded method method result result cfr. *) used *) used *) standard *) Aldehydes as benzaldehyde mg/kg D2119</p><p>Appearance </p><p>Chloride, Organic mg/kg D5808</p><p>Color Pt/Co D5386</p><p>Density at 20°C kg/l ISO12185</p><p>Inhibitor as TBC mg/kg D4590</p><p>Peroxides as H2O2 mg/kg D2340</p><p>Polymer mg/kg D2121-A</p><p>Sulphur mg/kg D5453</p><p>Water, coulometric KF titration mg/kg E1064 *) Please see the letter of instructions on data entry portal before start of the tests (www.kpmd.co.uk/sgs-iis/)</p><p>Name of laboratory: Date of sample receipt:</p><p>Country: City:</p><p>Name of contact person: Date of report: INTERLABORATORY STUDY Styrene iis16C07 lab code: based on scope from ASTM D2827</p><p>Report to: ing. R.J. Starink email [email protected] (preferred) or faxno. + 31 181 69 45 43</p><p>Proficiency test period: September 21 – October 28, 2016</p><p>Report form B for late reported test results of sample #16200 Determination unit Reference Actual unrounded rounded method method result result cfr. *) used *) used *) standard *) Purity by GC %M/M D5135</p><p>-Benzene mg/kg D6229</p><p>-Toluene mg/kg</p><p>-Ethylbenzene mg/kg D5135</p><p>-m+p-Xylenes mg/kg D5135</p><p>-iso-Propylbenzene (cumene) mg/kg D5135</p><p>-o-Xylene mg/kg D5135</p><p>-n-Propylbenzene mg/kg D5135</p><p>-m+p-Ethyltoluenes mg/kg D5135</p><p>-α-Methylstyrene mg/kg D5135</p><p>-1,2-di-Ethylbenzene mg/kg</p><p>-sum alpha-Methylstyrene and 1,2-di- mg/kg Ethylbenzene -Phenylacetylene mg/kg</p><p>-3/4-Methylstyrenes mg/kg</p><p>-sum Phenylacetylene and 3/4- mg/kg Methylstyrenes -Benzaldehyde mg/kg</p><p>-non-Aromatics mg/kg *) Please see the letter of instructions on data entry portal before start of the tests (www.kpmd.co.uk/sgs-iis/)</p><p>Name of laboratory: Date of sample receipt:</p><p>Country: City:</p><p>Name of contact person: Date of report:</p>