bids are invited for refilling of calibration gases 112-at-2001, methane 1.00 mol%, balance ethane 113-at-6201, ethylene 0.30 %, hydrogen 40%, balance methane 113-at-6501, methane 250 ppm, balance nitrogen 113-at-6801, stream 2 propylene 500 ppm, propane 500ppm, acetylene 1.00 %, ethane 30 %, balance ethylene 113-at-7001 propylene 300 ppm, hydrogen 200 ppm, acetylene 2 %, ethane 30%, balance ethylene 113-at-6701 carbon monoxide 0.30 %, nitrogen 0.20%, ethane 0.10%, acetylene 0.10%, ethylene 0.30% , methane 18%, carbon dioxide 0.50% balance hydrogen 113-at-6702 carbon monoxide 0.50 ppm, methane 500 ppm, acetylene 3 ppm, ethylene 500ppm, balance hydrogen 113-at-7801 methyl acetylene 2%, propadiene 2% propane 10% balance propylene 113-at-8601 hydrogen 8 ppm, ethane 200ppm, ethylene 100 ppm, propane 0.20% methyl acetylene 3 ppm, propadiene 3 ppm, balance propylene 113-at-8502 cis-2-butene 0.1%, butene - 1 0.10%, propylene 2.00%, iso butane 0.20%, methyl acetylene 0.25%, n-butane 0.20%, propadiene 0.25%, n butane 0.20%, balance propane 113-at-8001 cis-2-butene 3 % trans-2-butene 3 % butene-1 3 % propadiene 5 % propane 7 % iso butylene 3 % methyl acetylene 5 % 1, 3 butadiene 7 % iso pentane 0.5 % npentane 0.5 % propylene balance 113-at-8002 propane 0.15 % propylene 0.15 % methyl acetylene 0.05 % propadiene 0.05 % isobutane 5 % n-butane 8 % isobutylene 20 % 1-butene 15 % cis-2-butene 15 % trans-2-butene 15 % iso pentane 1.5 % balance hexene 113-at-8301 propane 30 % methyl acetylene 0.5 % propadiene 0.5 % 1-butene 1000 ppm propylene balance 113-at-8401 methyl acetylene 100 ppm propadiene 100 ppm propane 20 % hydrogen 0.3 % isobutane 200 ppm n-butane 200 ppm cis-2-butene 200 ppm trans-2-butene 200 ppm propylene balance 113-at-9031 1-hexene 0.2 % benzene 0.1 % methyl acetylene 0.2 % propadiene 0.2 % cis - 2 - butene 20 % trans - 2 butene 20 % n pentane 6 % 1-3 butadiene balance 113-at-4901 carbon dioxide 2 ppm carbon monoxide 0.1 % methane 20 % ethylene 30 % hydrogen balance 113-at-8501 propylene 100 % 113-at-9101 butene - 1 0.6 % isobutane 1 % cis-2-butene 0.6 % trans-2-butene 0.6 % 1-3 butadiene 0.6 % hydrogen 0.2 % isobutane 1 % n-butane 10 % methane 5 % ethylene 2 % propane 17 % iso-pentane 0.6 % n-pentane 0.6 % n-hexane 1 % 2-methylpentane 0.6 % 3-methylpentane 0.6 % 2, 3 dimethylbutane 0.2 % 1-pentene 0.6 % balance propylene 113-at-6303 ethane 0.1 % ethylene balance 113-at-7151 / 7101 hydrogen 0.5 % carbon moxide 2 ppm methane 100 ppm acetylene 0.5 % ethane 30 % propylene 300 ppm propane 100 ppm, ethylene balance 113-at-7401 ethylene 20 % nitrogen balance 113-at-7402 ethylene 0.5 % propylene 0.2 % ethane balance 114-at-1201 1, 3 butadiene 400 ppm, cis-2-butene 400 ppm, trans-2-butene 400 ppm isoprene 400 ppm, 2-methyl-2-butene 400ppm, propane 0.20%, isobutylene 2 % isopentane 15% n-butane balance 113-at-1202 methane propane 21 % propylene 0.6 % propadiene 0.3 % methyl acetylene 0.6 % iso butane 3 % n butane 12 % 1, 3 butadiene 0.6 %, 1-butene 0.6%, cis-2-butene 0.3%, trans-2-butene 0.3%, n pentane 3% , iso pentane 3%, n hexane 0.9%, iso hexane 0.6%, 1-hexene 0.6% 113-at-1501 hydrogen 30 % methane 15 % ethane 20 % ethylene 30 % propylene 3 % propane 1 % 1, 3 butadiene 0.5 %, methyl acetylene 0.10% propadiene 0.2%, acetylene 0.2% 117-at-1201 1, 2 butadiene 10 ppm 1, 3 butadiene 293 ppm propadiene 123 ppm ethylene 0.35 % c-2-butene 0.74 % t-2-butene 0.75 % 1-butene balance 117-at-1602 1, 2 butadiene 50 ppm 1, 3 butadiene 50 ppm propadiene 100 ppm 1-butene 99.98 % 117-at-1603 n-butane 2.05 % 1-butene 97.95 % 113-at-1201 hydrogen 0.5 % carbon dioxide 0.3 % methane 2 % ethylene 0.5 % propane 22 % propylene 0.4 % isobutane 6 % n-butane 7% 1-butene 0.30% iso-pentane 1 % n-pentane 1 % n- 118-at- 2001 methane 200 ppm ethylene 100 ppm propane 0.4 % co2 3 ppm co 0.2 % balance propylene 118-at- 4001 ( new ) ethane 0.1 % methane 0.1 % hydrogen 25 % ethylene 10 % propane 5 % balance propylene 118-at- 4001 ethane 0.1 % methane 0.1 % hydrogen 1 % ethylene 10 % propane 5 % propylene balance 113-at-9061 octane 0.5 % heptane 2 % hexane 5 % pentene-1 0.2 % n-pentane 0.2 % iso-pentane 0.2 % toluene 25 % balance benzene 113-at-6801 ( stream 1 ) ethylene 1 ppm ethane 10 ppm methylacetylne 2 % propadiene 2 % propane 10 % n-butane 2 % isobutane 2 % balance propylene 117-at-3201 &3202 ( high butene cylinder ) hydrogen 10 % methane 5 % ethane 5 % ethylene 30 % n-butane 10 % 1-butene 20 % iso-pentane 2.5 % n-pentane 2.5 % hexane 0.05 % 1-hexene 0.05 % cis-2-hexene 300 ppm trans-2-hexene 300 ppm trans-3-hexene 300 ppm nitrogen balance 117-at-3201 &3202 ( low butene cylinder ) hydrogen 10 % methane 5 % ethane 5 % ethylene 30 % n-butane 10 % 1-butene 0.5 % iso-pentane 2.5 % n-pentane 2.5 % hexane 0.05 % 1-hexene 0.05 % cis-2-hexene 300 ppm trans-2-hexene 300 ppm trans-3-hexene 300 ppm balance nitrogen 117-at-5301 methane 4 % ethane 3 % ethylene 15 % 1-butene 2 % iso-pentane 2 % n-butane 0.5 % balance nitrogen 117-at-5302 methane 10 % ethane 5 % ethylene 25 % 1-butene 0.5 % iso-pentane 0.25 % n-butane 0.5 % balance nitrogen 113-at-7403 hydrogen 1 ppm carbon monoxide 2 ppm acetylene 2 ppm carbon dioxide 2 ppm methane 10 ppm ethane 300 ppm balance ethylene 117-at-3204 ethylene 5 % balance nitrogen 117-at-8701 / 8603 carbon monoxide 0.5 ppm carbon dioxide 0.5 ppm balance nitrogen 113-at-9401 ( zero gas ) methane 25 % nitrogen balance 117-at-1101 h2s 0.45 ppm methane 0.5 % ethylene 99.5 % 117-at-1301a / c hydrogen 10 ppm acetylene 1 ppm carbon monoxide 1 ppm acetone 1 ppm methane 50 ppm co2 1 ppm balance ethylene 113-at-9401 ( span gas ) methane 100 % analyser shelter-01 ( callidus ) so2 900 ppm balance nitrogen analyser shelter-01 ( callidus ) nox 450 ppm balance nitrogen analyser shelter-01 ( callidus ) co 2250 ppm balance nitrogen c4h8 84 ppm balance nitrogen c4h8 8200 ppm balance nitrogen ethylene 4250 ppm balance nitrogen oxygen 21.4 % balance n2 oxygen 8.2 % balance n2 oxygen 1.8 % balance n2 oxygen 0.42 % balance n2 oxygen 0.14 % balance n2 oxygen 80-90 % balance n2 oxygen 10 ppm balance n2 oxygen 0.7 ppm balance n2 so2 90-100 ppm balance n2 total quantity : 1029