US EPA methods: standards and mixes



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US EPA methods: standards and mixes The United States Environmental Protection Agency 500, 600 and 8000 series test methods are approved protocols for measuring chemical pollutants in drinking water (series 500), industrial / urban effluents (series 600), ground water (series 8000) and air, soils and water taken from hazardous waste sites (CLP series). This product range includes mixtures of standards in solution, applicable to specific EPA methods within each of these series. EPA Method 501.1 501.2 501.3 Trihalomethanes DRE XA05000001ME DRE XA06010200ME VOC Mix 1 100 µg/ml in Methanol Purgeables Halocarbons Mix 2 200 µg/ml in Methanol DRE YA13781000ME Fluorobenzene 2000 µg/ml in Methanol (surrogate standard solution) EPA Method 502.2 and 524.2 Volatile organic compounds DRE XA05000002ME DRE YA05000002ME DRE YA05000003ME DRE YA05000004ME DRE YA05000005ME DRE YA05000006ME VOC Mix 2 200 µg/ml in Methanol VOC Mix 2 2000 µg/ml in Methanol VOC Mix 3 2000 µg/ml in Methanol Dibromomethane VOC Mix 4 2000 µg/ml in Methanol 1,2 Dibromo 3 chloropropane 1,2 Dibromoethane (EDB) 1,3 Dichloropropane 1,1 Dichloropropene 1,3 Dichloropropene* *4000 µg/ml total, 52% cis, 48% trans VOC Mix 5 2000 µg/ml in Methanol Bromobenzene n Butyl p Isopropyl VOC Mix 6 2000 µg/ml in Methanol sec Butyl tert Butyl 2 Chlorotoluene 4 Chlorotoluene Vinyl chloride Vinyl chloride 2,2 Dichloropropane Hexachlorobutadiene 1,1,1,2 Tetrachloroethane Trichloroethylene 1,2,3 Trichloropropane 1,2,3 Trichlorobenzene 1,2,4 Trimethylbenzene 1,3,5 Trimethylbenzene Isopropylbenzene n Propyl DRE YA10731000ME 4 Bromofluorobenzene 2000 µg/ml in Methanol (performance standard solution) DRE YA05000010ME VOC Mix EPA 524 2000 µg/ml in Methanol cis 1,2 Dichloroethene Dichloromethane (Methylene chloride) 79

DRE YA05000007ME DRE YA05000008ME DRE YA05000009AC DRE YA05000016ME VOC Mix 7 2000 µg/ml in Methanol VOC Mix 8 2000 µg/ml in Methanol cis 1,2 Dichloroethene VOC Mix 9 1000 µg/ml in Acetone cis 1,2 Dichloroethene Dichloromethane Tetrachloromethane Internal Standard Solution Mix16 2000 µg/ml in Methanol 1 Chloro 2 bromopropane Trichloromethane Fluorobenzene DRE YA13781000ME Fluorobenzene 2000 µg/ml in Methanol (internal standard) DRE YA10722200ME 2 Bromo 1 chloropropane 2000 µg/ml in Methanol (internal standard) DRE YA05000042MW VOC Mix 42 2000 µg/ml in Methanol/Water 9:1 DRE XA05000015ME DRE YA05000019ME Acetone 2 Butanone VOC Mix 15 200 µg/ml in Methanol Bromobenzene N Butyl Sec Butyl Tert Butyl 2 Chlorotoluene 4 Chlorotoluene 1,2 Dibromo 3 chloropropane 1,2 Dibromoethane Dibromomethane Cis 1,2 Dichloroethene Trans 1,2 Dichloroethene Dichloromethane (Methylenechloride) * 400 µg/ml total, 52% cis, 48% trans Fortification Mix 19 2000 µg/ml in Methanol 4 Bromofluorobenzene 2 Hexanone 4 Methyl 2 pentanone 1,3 Dichloropropane 2,2 Dichloropropane 1,1 Dichloropropene *1,3 Dichloropropene Hexachlorobutadiene Isopropylbenzene p Isopropyltoluene N Propylbenzene 1,1,1,2 Tetrachloroethane 1,2,3 Trichlorobenzene 1,2,3 Trichloropropane 1,2,4 Trimethylbenzene 1,3,5 Trimethylbenzene Fluorobenzene 80

DRE XA05000020ME VOC Mix 20 200 µg/ml in Methanol 2,2 Dichloropropane Bromobenzene 1,1 Dichloro 1 propene 1,3 Dichloropropene (cis+trans)* Fluorotrichloromethane n Butylbenzene Hexachloro 1,3 butadiene sec Butylbenzene Isopropylbenzene tert Butylbenzene 4 Isopropyltoluene n Propylbenzene 1,1,1,2 Tetrachloroethane 2 Chlorotoluene 4 Chlorotoluene Tetrachloromethane 1,2 Dibromo 3 Chloropropane 1,2 Dibromoethane Tribromomethane Dibromoethane 1,2,3 Trichlorobenzene Trichloromethane 1,2,3 Trichloropropane 1,2,4 Trimethylbenzene cis 1,2 Dichloroethene 1,3,5 Trimethylbenzene Dichloromethane 1,3 Dichloropropane *400 µg/ml total 52% cis, 48% trans DRE YA12370100ME D 4 2000 µg/ml in Methanol (surrogate standard solution) DRE YA10731000ME 4 Bromofluorobenzene 2000 µg/ml in Methanol (surrogate standard solution) DRE XA05000021ME DRE XA05000023ME DRE YS05000108ME VOC Mix 21 200 µg/ml in Methanol Chlorodibromomethane 1,2 Dibromoethane VOC Mix 23 in Methanol... 50 µg/ml... 50 µg/ml... 6 µg/ml Chlorodibromomethane... 50 µg/ml VOC Mix 108 in Methanol... 100 µg/ml... 100 µg/ml... 100 µg/ml... 100 µg/ml Dibromomethane... 100 µg/ml... 1000 µg/ml... 1000 µg/ml... 1000 µg/ml... 1000 µg/ml... 1000 µg/ml cis 1,2 Dichloroethene... 1000 µg/ml... 1000 µg/ml Dichloromethane... 1000 µg/ml Tetrachloromethane Tribromomethane Trichloromethane... 50 µg/ml... 20 µg/ml... 60 µg/ml... 1000 µg/ml 1,3 Dichloropropane... 1000 µg/ml Hexachlorobutadiene... 100 µg/ml 1,1,1,2 Tetrachloroethane... 100 µg/ml... 100 µg/ml... 50 µg/ml Tetrachloromethane... 50 µg/ml Tribromomethane... 100 µg/ml... 100 µg/ml... 100 µg/ml 1,1,2... 100 µg/ml Trichloromethane... 100 µg/ml 10 x 1.5 ml YA17846000ME alpha,alpha,alpha Trifluorotoluene 2000 µg/ml in Methanol (internal standard) DRE YA05000061ME VOC Mix 61 in Methanol Headspace determination DIN 38407 F5... 1000 µg/ml... 1000 µg/ml... 10000 µg/ml cis 1,2 Dichloroethene... 10000 µg/ml Dichlormethane... 5000 µg/ml... 1000 µg/ml Tetrachloromethane... 1000 µg/ml Tribromomethane... 1000 µg/ml... 1000 µg/ml... 1000 µg/ml Trichloromethane... 1000 µg/ml 81

EPA Method 503.1 Volatile aromatic and unsaturated organic compounds DRE XA05030100ME Volatile Arom.& Unsat.Org.Comp.Mix 1 200 µg/ml in Methanol p Isopropyl Bromobenzene n Butyl n Propyl sec Butyl tert Butyl 2 Chlorotoluene 1,2,3 Trichlorobenzene 4 Chlorotoluene 1,2,4 Trimethylbenzene 1,3,5 Trimethylbenzene Hexachlorobutadiene Isopropylbenzene DRE YA05030200ME Method 503.1 Mix 2 2000 µg/ml in Methanol Hexachlorobutadiene EPA Method 505 Organohalide pesticides and PCBs Chlordane, toxaphene, aroclors DRE YA11200000ME Chlordane (technical) 2000 µg/ml in Methanol DRE YA10940000HE Camphechlor (Toxaphene) 4000 µg/ml in n Hexane DRE YA20101600CY Aroclor 1016 1000 µg/ml in Cyclohexane DRE YA20122100CY Aroclor 1221 1000 µg/ml in Cyclohexane DRE YA20123200CY Aroclor 1232 1000 µg/ml in Cyclohexane DRE YA20124200CY Aroclor 1242 1000 µg/ml in Cyclohexane DRE YA20124800CY Aroclor 1248 1000 µg/ml in Cyclohexane DRE YA20125400CY Aroclor 1254 1000 µg/ml in Cyclohexane DRE YA20126000CY Aroclor 1260 1000 µg/ml in Cyclohexane DRE XA05050100AC Organohalide Pesticide Mix 1 100 µg/ml in Acetone Alachlor Heptachlor endo epoxide (Isomer A) Aldrin Hexachlorobenzene Atrazine Hexachlorocyclopentadiene Trans Chlordane (gamma Chlordane) Gamma HCH (Lindane) Dieldrin Methoxychlor Endrin Cis Nonachlor Heptachlor Trans Nonachlor Heptachlor exo epoxide (Isomer B) Simazine DRE XA05050200ME Organohalide Pesticide Mix 2 100 µg/ml in Methanol Alachlor Heptachlor epoxide Aldrin Hexachlorobenzene Dieldrin gamma HCH (Lindane, gamma BHC) Endrin Methoxychlor Heptachlor DRE XA13160000IO Endrin 100 µg/ml in Isooctane (performance check solution) DRE XA13161000CY Endrin aldehyde 100 µg/ml in Cyclohexane (performance check solution) DRE XA13165000CY Endrin ketone 100 µg/ml in Cyclohexane (performance check solution) EPA Method 506 Phthalate and adipate esters DRE XA05060100ME Phthalate and Adipate Esters Mix 1 100 µg/ml in Methanol Adipic acid bis 2 ethylhexyl ester Phthalic acid, bis 2 ethylhexyl ester Phthalic acid, benzylbutyl ester Phthalic acid, bis methyl ester Phthalic acid, bis butyl ester Phthalic acid, bis 1 octyl ester Phthalic acid, bis ethyl ester 82

EPA Method 508 Chlorinated pesticides DRE YA05080100MB Chlorinated Pesticide Mix 1 1000 µg/ml in Methyl tert. butyl ether Aldrin Endosulfan I α BHC Endosulfan II β BHC Endosulfan sulfate δ BHC Endrin γ BHC Endrin aldehyde 4,4 DDD Heptachlor 4,4 DDE Heptachlor epoxide (isomer B) 4,4 DDT Methoxychlor Dieldrin DRE YA05080200MB Chlorinated Pesticide Mix 2 1000 µg/ml in Methyl tert. butyl ether cis Chlordane (alpha) Etridiazole trans Chlordane (gamma) Hexachlorobenzene Chlorobenzilate cis Permethrin Chloroneb trans Permethrin Chlorothalonil Propachlor Chlorthal dimethyl (Dacthal, DCPP) Trifluralin DRE YA05080300AC Chlorinated Pesticide Mix 3 1000 µg/ml in Acetone Alachlor Hexachlorocyclopentadiene Atrazine Metolachlor Butachlor Simazine DRE XA16730000CY Quintozene 100 µg/ml in Cyclohexane (internal standard) DRE XA16730000AL Quintozene 100 µg/ml in Acetonitrile (internal standard) DRE XA17893000MB Triphenylphosphate, 500 µg/ml in Methyl tert. butyl ether (internal standard) Individual compounds DRE XA10630000ME Biphenyl 100 µg/ml in Methanol DRE C10630000 Biphenyl 250 mg DRE YA11200000ME Chlordane (technical) 2000 µg/ml in Methanol DRE XA11201000CY cis Chlordane (alpha) 100 µg/ml in Cyclohexane DRE XA11202000CY trans Chlordane (gamma) 100 µg/ml in Cyclohexane DRE XA11790000AL Cyanazine 100 µg/ml in Acetonitrile DRE XA14171000IO Hexachlorocyclopentadiene 100 µg/ml in Isooctane DRE YA10940000HE Camphechlor (Toxaphene) 4000 µg/ml in n Hexane DRE YA20101600CY Aroclor 1016 1000 µg/ml in Cyclohexane DRE YA20122100CY Aroclor 1221 1000 µg/ml in Cyclohexane DRE YA20123200CY Aroclor 1232 1000 µg/ml in Cyclohexane DRE YA20124200CY Aroclor 1242 1000 µg/ml in Cyclohexane DRE YA20124800CY Aroclor 1248 1000 µg/ml in Cyclohexane DRE YA20125400CY Aroclor 1254 1000 µg/ml in Cyclohexane DRE YA20126000CY Aroclor 1260 1000 µg/ml in Cyclohexane 83

EPA Method 524.1 and 524.2 DRE XA05000020ME VOC Mix 20 200 µg/ml in Methanol 2,2 Dichloropropane Bromobenzene 1,1 Dichloro 1 propene 1,3 Dichloropropene (cis+trans)* Fluorotrichloromethane n Butylbenzene Hexachloro 1,3 butadiene sec Butylbenzene Isopropylbenzene tert Butylbenzene 4 Isopropyltoluene n Propylbenzene 1,1,1,2 Tetrachloroethane 2 Chlorotoluene 4 Chlorotoluene Tetrachloromethane 1,2 Dibromo 3 Chloropropane 1,2 Dibromoethane Tribromomethane Dibromoethane 1,2,3 Trichlorobenzene Trichloromethane 1,2,3 Trichloropropane 1,2,4 Trimethylbenzene cis 1,2 Dichloroethene 1,3,5 Trimethylbenzene Dichloromethane 1,3 Dichloropropane *400 µg/ml total 52% cis, 48% trans DRE YA12370100ME D 4 2000 µg/ml in Methanol (surrogate standard solution) DRE YA10731000ME 4 Bromofluorobenzene 2000 µg/ml in Methanol (surrogate standard solution) DRE YA14343000MW Iodomethane 2000 µg/ml in Methanol/Water DRE XA05000001ME VOC Mix 1 100 µg/ml in Methanol DRE YA05000003ME VOC Mix 3 2000 µg/ml in Methanol Dibromomethane 2,2 Dichloropropane DRE YA05000004ME VOC Mix 4 2000 µg/ml in Methanol 1,2 Dibromo 3 chloropropane 1,2 Dibromoethane (EDB) 1,3 Dichloropropane 1,1 Dichloropropene 1,3 Dichloropropene* *4000 µg/ml total, 52% cis, 48% trans Hexachlorobutadiene 1,1,1,2 Tetrachloroethane Trichloroethylene 1,2,3 Trichloropropane DRE YA05000005ME VOC Mix 5 2000 µg/ml in Methanol Bromobenzene n Butyl p Isopropyl 1,2,3 Trichlorobenzene 1,2,4 Trimethylbenzene 1,3,5 Trimethylbenzene 84

DRE YA05000006ME DRE YA05000010ME VOC Mix 6 2000 µg/ml in Methanol sec Butyl tert Butyl 2 Chlorotoluene 4 Chlorotoluene VOC Mix EPA 524 2000 µg/ml in Methanol Isopropylbenzene n Propyl cis 1,2 Dichloroethene Dichloromethane (Methylene chloride) DRE YA13781000ME Fluorobenzene 2000 µg/ml in Methanol (internal standard) DRE YA12370100ME D 4 2000 µg/ml in Methanol (internal standard) DRE YA10731000ME 4 Bromofluorobenzene 2000 µg/ml in Methanol (internal standard) EPA Method 525 DRE XA05250100AC DRE XA05060100ME DRE XA05250400AC PAH Mix 25 100 µg/ml in Acetone Acenaphthylene Anthracene Benzo(a)anthracene Benzo(b)fluoranthene Benzo(k)fluoranthene Benzo(g,h,i)perylene Benzo(a)pyrene Phthalate and Adipate Esters Mix 1 100 µg/ml in Methanol Adipic acid bis 2 ethylhexyl ester Phthalic acid, benzylbutyl ester Phthalic acid, bis butyl ester Phthalic acid, bis ethyl ester Pesticide Mix EPA 525 100 µg/ml in Acetone Chrysene Dibenzo(a,h)anthracene Fluorene Indeno(1,2,3 cd)pyrene Phenanthrene Pyrene Phthalic acid, bis 2 ethylhexyl ester Phthalic acid, bis methyl ester Phthalic acid, bis 1 octyl ester Alachlor Heptachlor Aldrin Heptachlor epoxide (isomer B) Atrazine gamma HCH (Lindane,gamma BHC) alpha Chlordane 4,4 Methoxychlor gamma Chlordane trans Nonachlor Endrin Simazine DRE YA12093000AC Decafluorotriphenylphosphine 1000 µg/ml in Acetone (tuning standard) DRE XA05250600AC Internal Standards Mix 25 500 µg/ml in Acetone Acenaphthene D 10 Perylene D 12 Chrysene D 12 Phenanthrene D 10 DRE YA10940000HE Camphechlor (Toxaphene) 4000 µg/ml in n Hexane DRE YA20915100TO Perylene D 12 2000 µg/ml in (tuning solution) EPA Method 531.1 Carbamate pesticides DRE XA05310100ME N Methylcarb. + carbamoyl oximes Mix 1 100 µg/ml in Methanol Aldicarb Aldicarb sulfone Aldicarb sulfoxide Carbaryl Carbofuran 3 Hydroxycarbofuran Methiocarb Methomyl 1 Naphthol Oxamyl Propoxur DRE C10727000 4 Bromo 3,5 dimethylphenyl N methylcarbamate (BDMC) (internal standard) 100 mg DRE YA13781000ME Fluorobenzene 2000 µg/ml in Methanol (internal standard) DRE YA12370100ME D 4 2000 µg/ml in Methanol (internal standard) DRE YA10731000ME 4 Bromofluorobenzene 2000 µg/ml in Methanol (internal standard) 85

EPA Method 550 Polycyclic aromatic hydrocarbons DRE XA05500100AL EPA Method 551 DRE XA05510100AC DRE YA11098000AL EPA Method 552.2 DRE YA05520400MB PAH Mix 50 in Acetonitrile Acenaphthene... 1000 µg/ml Acenaphthylene... 1000 µg/ml Anthracene... 50 µg/ml Benzo(a)anthracene... 1 µg/ml Benzo(a)pyrene... 5 µg/ml Benzo(b)fluoranthene... 1 µg/ml Benzo(g,h,i)perylene... 5 µg/ml Benzo(k)fluoranthene... 1µg/mL Chlor.Org. & Desinfec. by Prod. Mix 1 100 µg/ml in Acetone Bromochloroacetonitrile Chloropicrin 1,2 Dibromo 3 chloropropane Dibromoacetonitrile Chloralhydrate 1000 µg/ml in Acetonitrile Halogenated Acetic Acids Mix 4 in Methyl tert. butyl ether Bromoacetic acid... 400 µg/ml Bromochloroacetic acid... 400 µg/ml Bromodichloroacetic acid... 400 µg/ml Chloroacetic acid... 600 µg/ml Dibromoacetic acid... 200 µg/ml Chrysene... 50 µg/ml Dibenzo(a,h)anthracene... 10 µg/ml Fluoranthene... 50 µg/ml Fluorene... 100 µg/ml Indeno(1,2,3 cd)pyrene... 10 µg/ml... 1000µg/mL Phenanthrene... 50 µg/ml Pyrene... 50 µg/ml 1,2 Dibromoethane Dichloroacetonitrile 1,1 Dichloropropanone 2 Trichloroacetonitrile Dibromochloroacetic acid... 1000 µg/ml Dichloroacetic acid... 600 µg/ml Tribromoacetic acid... 2000 µg/ml TCA (Trichloroacetic acid)... 200 µg/ml DRE YA05520600MB DRE XA05520700ME Methyl Derivatives Mix 6 in Methyl tert. butyl ether Bromoacetic acid... 400 µg/ml Dibromochloroacetic acid... 1000 µg/ml Bromochloroacetic acid... 400 µg/ml Dichloroacetic acid... 600 µg/ml Bromodichloroacetic acid... 400 µg/ml Tribromoacetic acid... 2000 µg/ml Chloroacetic acid... 600 µg/ml TCA (Trichloroacetic acid)... 200 µg/ml Dibromoacetic acid... 200 µg/ml Drinking Water Odor Mix 1 100 µg/ml in Methanol Geosmin 2 Methylisoborneol Individual standards See Individual Reference Standards section, for details of individual compounds Water odor standards See separate section on Odour Compounds DRE YA12451000ME 2,4 Dichlorophenol 5000 µg/ml in Methanol DRE YA17774600ME 2,4,6 Trichlorophenol 5000 µg/ml in Methanol DRE XA17780000ME 1,2,3 Trichloropropane 100 µg/ml in Methanol (internal standard) DRE YA12403100MB 3,5 Dichlorobenzoic acid 1000 µg/ml in Methyl tert. butyl ether (surrogate standard) DRE YA10760700MB 2 Bromopropionic acid 1000 µg/ml in Methyl tert. butyl ether (surrogate standard) DRE YA10761000MB 2 Bromopropionic acid methyl ester 1000 µg/ml in Methyl tert. butyl ether (surrogate standard) DRE YA12242500MB 2,3 Dibromopropionic acid 1000 µg/ml in Methyl tert. butyl ether (surrogate standard) DRE YA12242600MB 2,3 Dibromopropionic acid methyl ester 1000 µg/ml in Methyl tert. butyl ether (surrogate standard) EPA Method 555 Chlorinated herbicides DRE YA05550100AL Chlorinated Acids Mix 1 1000 µg/ml in Acetonitrile Bentazon Dichlorprop Chloramben Fenoprop (Silvex; 2,4,5 TP) 2,4 D Picloram Dicamba DRE YA05550200AL Chlorinated Acids Mix 2 1000 µg/ml in Acetonitrile 2,4 DB MCPP 3,5 Dichlorobenzoic acid 4 Nitrophenol Dinoseb Pentachlorophenol MCPA 2,4,5 T 86

EPA Method 601 Purgeable halocarbons DRE YA06010400ME DRE XA05000002ME DRE YA05000002ME DRE YA06010500ME DRE XA05000001ME DRE XA06010200ME DRE YA06010200ME EPA 601/602 Calibration Mix 2000 µg/ml in Methanol 2 Chloroethyl vinylether VOC Mix 2 200 µg/ml in Methanol VOC Mix 2 2000 µg/ml in Methanol Purgeables Halocarbons Mix 5 2000 µg/ml in Methanol Dichloromethane VOC Mix 1 100 µg/ml in Methanol Purgeables Halocarbons Mix 2 200 µg/ml in Methanol Purgeables Halocarbons Mix 2 2000 µg/ml in Methanol Dichloromethane cis 1,3 Dichloropropene trans 1,3 Dichloropropene Vinyl chloride Vinyl chloride cis 1,3 Dichloropropene trans 1,3 Dichloropropene Tetrachloromethane Tribromomethane Trichloromethane DRE YA11410400ME 2 Chloroethyl vinylether 5000 µg/ml in Methanol DRE YA17665500ME Tribromomethane () 5000 µg/ml in Methanol DRE YA17739500ME Trichloromethane () 5000 µg/ml in Methanol DRE YA12234700ME 2000 µg/ml in Methanol (internal or surrogate standard) DRE YA10722200ME 2 Bromo 1 chloropropane 2000 µg/ml in Methanol (internal or surrogate standard) 87

EPA Method 602 DRE YA06010400ME EPA 601/602 Calibration Mix 2000 µg/ml in Methanol 2 Chloroethyl vinylether Dichloromethane cis 1,3 Dichloropropene trans 1,3 Dichloropropene DRE YA17846000ME alpha,alpha,alpha Trifluorotoluene 2000 µg/ml in Methanol (surrogate standard) EPA Method 603 DRE XA06020300ME EPA Method 604 DRE YA06040100ME EPA Method 605 DRE YA08270600ME EPA Method 606 DRE XA08060100ME DRE YA08060100IO DRE YA08060100ME EPA Method 607 DRE YA08070100ME EPA Method 608 DRE YA06170100TH Purgeable Arom. for Gas.Ident.Mix 3 200 µg/ml in Methanol Phenol Mix 604 in Methanol 4 Chloro 3 methyl phenol... 2500 µg/ml 2 Chlorophenol... 500 µg/ml 2,4 Dichlorophenol... 500 µg/ml 2,4 Dimethylphenol... 500 µg/ml 2,4 Dinitrophenol... 1500 µg/ml 2 Methyl 4,6 dinitrophenol... 2500 µg/ml Benzidine Mix 2 2000 µg/ml in Methanol Benzidine Phthalate Esters Mix 1 200 µg/ml in Methanol Bis (2 ethylhexyl) phthalate Butyl benzyl phthalate Diethyl phthalate Phthalate Esters Mix 1 2000 µg/ml in Isooctane Phthalic acid, benzylbutyl ester Phthalic acid, bis butyl ester Phthalic acid, bis ethyl ester Phthalate Esters Mix 1 2000 µg/ml in Methanol Phthalic acid, benzylbutyl ester Phthalic acid, bis butyl ester Phthalic acid, bis ethyl ester Nitrosamines Mix 1 2000 µg/ml in Methanol N Nitroso dimethylamine N Nitroso diphenylamine Methyl tert butyl ether 2 Nitrophenol... 500 µg/ml 4 Nitrophenol... 2500 µg/ml Pentachlorophenol... 2500 µg/ml Phenol... 500 µg/ml 2,4,6 Trichlorophenol... 1500 µg/ml 3,3 Dichlorobenzidine Dimethyl phthalate Di n butyl phthalate Di n octyl phthalate Organochlorine Pesticide Mix 3 1000 µg/ml in /Hexane Phthalic acid, bis 2 ethylhexyl ester Phthalic acid, bis methyl ester Phthalic acid, bis 1 octyl ester Phthalic acid, bis 2 ethylhexyl ester Phthalic acid, bis methyl ester Phthalic acid, bis 1 octyl ester N Nitroso di n propylamine Aldrin alpha Endosulfan alpa BHC beta Endosulfan beta BHC Endosulfan sulfate gamma BHC Endrin delta BHC Endrin aldehyde 4,4 DDD Heptachlor 4,4 DDE Heptachlor endo epoxide (Isomer A) 4,4 DDT Methoxychlor Dieldrin 88

DRE LA06170100TH Organochlorine Pesticide Mix 3 20 µg/ml in /Hexane Aldrin alpha Endosulfan alpa BHC beta Endosulfan beta BHC Endosulfan sulfate gamma BHC Endrin delta BHC Endrin aldehyde 4,4 DDD Heptachlor 4,4 DDE Heptachlor endo epoxide (Isomer A) 4,4 DDT Methoxychlor Dieldrin EPA Method 610 DRE XA06100100AM PAH Mix 61 in Methanol/Acetone 1:1 Acenaphthene... 1000 µg/ml Chrysene... 100 µg/ml Acenaphthylene... 2000 µg/ml Dibenzo(a,h)anthracene... 200 µg/ml Anthracene... 100 µg/ml Fluoranthene... 200 µg/ml Benzo(a)anthracene... 100 µg/ml Fluorene... 200 µg/ml Benzo(a)pyrene... 100 µg/ml Indeno(1,2,3 cd)pyrene... 100 µg/ml Benzo(b)fluoranthene... 200 µg/ml... 1000 µg/ml Benzo(g,h,i)perylene... 200 µg/ml Phenanthrene... 100 µg/ml Benzo(k)fluoranthene... 100 µg/ml Pyrene... 100 µg/ml DRE XA20950009AL PAH Mix 9 100 µg/ml in Acetonitrile Acenaphthene Chrysene Acenaphthylene Dibenz(a,h)anthracene Anthracene Fluoranthene Benzo(a)anthracene Fluorene Benzo(b)fluoranthene Indeno(1,2,3,c,d)pyrene Benzo(k)fluoranthene Benzo(g,h,i)perylene Phenanthrene Benzo(a)pyrene Pyrene DRE XA20950009CY PAH Mix 9 100 µg/ml in Cyclohexane Acenaphthene Chrysene Acenaphthylene Dibenz(a,h)anthracene Anthracene Fluoranthene Benzo(a)anthracene Fluorene Benzo(b)fluoranthene Indeno(1,2,3,c,d)pyrene Benzo(k)fluoranthene Benzo(g,h,i)perylene Phenanthrene Benzo(a)pyrene Pyrene DRE YA06100300TO PAH Mix 63 1000 µg/ml in Acenaphthene Chrysene Acenaphthylene Dibenzo(a,h)anthracene Anthracene Fluoranthene Benzo(a)anthracene Fluorene Benzo(a)pyrene Indeno(1,2,3 cd)pyrene Benzo(b)fluoranthene Benzo(k)fluoranthene Phenanthrene Benzo(g,h,i)perylene Pyrene DRE YA06100400BD PAH Mix 64 2000 µg/ml in Acenaphthene Chrysene Acenaphthylene Dibenzo(a,h)anthracene Anthracene Fluoranthene Benzo(a)anthracene Fluorene Benzo(a)pyrene Indeno(1,2,3 cd)pyrene Benzo(b)fluoranthene Benzo(k)fluoranthene Phenanthrene Benzo(g,h,i)perylene Pyrene Carbazole EPA Method 611 DRE YA06110100ME Haloethers Mix 1 2000 µg/ml in Methanol 4 Bromophenyl phenyl ether bis(2 Chloroisopropyl) ether bis(2 Chloroethoxy) methane 4 Chlorophenyl phenyl ether bis(2 Chloroethyl) ether EPA Method 614 DRE XA06140100AC Organophosphorous Pesticide Mix 1 200 µg/ml in Acetone Azinphos methyl Ethion Demeton Malathion Diazinon Parathion ethyl Disulfoton Parathion methyl 89

EPA Method 615 DRE XA06150100ME Chlorinated Herbicides Acids Mix 1 in Methanol 2,4 D... 100 µg/ml Dinoseb... 50 µg/ml 2,4 DB... 100 µg/ml MCPA... 10000 µg/ml Dalapon... 250 µg/ml l MCPP... 10000 µg/ml Dicamba... 100 µg/ml Fenoprop (Silvex; 2,4,5 TP)... 10 µg/ml Dichlorprop... 100 µg/ml 2,4,5 T... 10 µg/ml EPA Method 617 DRE YA06170100TH Organochlorine Pesticide Mix 3 1000 µg/ml in /Hexane Aldrin alpha Endosulfan alpa BHC beta Endosulfan beta BHC Endosulfan sulfate gamma BHC Endrin delta BHC Endrin aldehyde 4,4 DDD Heptachlor 4,4 DDE Heptachlor endo epoxide (Isomer A) 4,4 DDT Methoxychlor Dieldrin DRE LA06170100TH Organochlorine Pesticide Mix 3 20 µg/ml in /Hexane Aldrin alpha Endosulfan alpa BHC beta Endosulfan beta BHC Endosulfan sulfate gamma BHC Endrin delta BHC Endrin aldehyde 4,4 DDD Heptachlor 4,4 DDE Heptachlor endo epoxide (Isomer A) 4,4 DDT Methoxychlor Dieldrin EPA Method 619 DRE XA06190100AC Triazine Pesticide Mix 1 100 µg/ml in Acetone Ametryn Secbumeton Atraton Simetryn Atrazine Simazine Prometon Terbutylazine Prometryn Terbutryn Propazine EPA Method 622 DRE XA06220100CY Organophosphorous Pesticides Mix 4 100 µg/ml in Cyclohexane Azinphos methyl Fenthion Coumaphos Phorate Demeton Bolstar (Sulprophos) Disulfoton Trichloronate Fensulfothion Tokuthion (Prothiophos) EPA Method 624 DRE YA04000500ME Purgeable Internal Standard VOC Mix 15 2500 µg/ml in Methanol 1,4 Difluorobenzene D 5 DRE XA06240200ME EPA 624 Calibration Mix 2 100 µg/ml in Methanol Dichloromethane cis 1,3 Dichloropropene * trans 1,3 Dichloropropene * 90

DRE YA06240400ME DRE YA06240300ME EPA 624 Purgeable Mix 4 2000 µg/ml in Methanol 2 Chloroethyl vinyl ether EPA 624 Purgeable Calibration Mix 3 in Methanol Dichloromethane Dichloromethane cis 1,3 Dichloropropene * 2 Chloroethyl vinyl ether trans 1,3 Dichloropropene * *400 µg/ml total, 52% cis, 48% trans DRE YA10535200ME D 6 2000 µg/ml in Methanol (surrogate standard) DRE YA10731000ME 4 Bromofluorobenzene 2000 µg/ml in Methanol (surrogate standard) DRE YA12422300ME D 4 2000 µg/ml in Methanol (surrogate standard) DRE YA12632000ME 1,4 Difluorobenzene 2000 µg/ml in Methanol (surrogate standard) DRE YA13781000ME Fluorobenzene 2000 µg/ml in Methanol (surrogate standard) DRE YA15974000ME Pentafluorobenzene 2000 µg/ml in Methanol (surrogate standard) EPA Method 625 DRE YA06040100ME Phenol Mix 604 in Methanol 4 Chloro 3 methyl phenol... 2500 µg/ml 2 Chlorophenol... 500 µg/ml 2,4 Dichlorophenol... 500 µg/ml 2,4 Dimethylphenol... 500 µg/ml 2,4 Dinitrophenol... 1500 µg/ml 2 Methyl 4,6 dinitrophenol... 2500 µg/ml 2 Nitrophenol... 500 µg/ml 4 Nitrophenol... 2500 µg/ml Pentachlorophenol... 2500 µg/ml Phenol... 500 µg/ml 2,4,6 Trichlorophenol... 1500 µg/ml DRE YA10262600MB Aniline D 5 2000 µg/ml in Methyl tert. butyl ether 1. DRE YA20520100MB Anthracene D 10 2000 µg/ml in Methyl tert. butyl ether DRE YA11200000ME Chlordane (technical) 2000 µg/ml in Methanol DRE YA10940000HE Camphechlor (Toxaphene) 4000 µg/ml in n Hexane DRE YA12092500MB Decafluorobiphenyl 2000 µg/ml in Methyl tert. butyl ether DRE YA12093000AC Decafluorotriphenylphosphine 1000 µg/ml in Acetone DRE YA21001500MB 4,4 Dibromobiphenyl (PBB No. 15) 2000 µg/ml in Methyl tert. butyl ether DRE YA12240600MB 4,4' Dibromooctafluorobiphenyl 2000 µg/ml in Methyl tert. butyl ether DRE YA12632500MB 2,2 Difluorobiphenyl (PFB 4) 2000 µg/ml in Methyl tert. butyl ether DRE YA13794000MB 1 Fluoronaphthalene 2000 µg/ml in Methyl tert. butyl ether DRE YA13794200MB 2 Fluoronaphthalene 2000 µg/ml in Methyl tert. butyl ether DRE YA13797000MB 2 Fluorophenol 2000 µg/ml in Methyl tert. butyl ether DRE YA20905100MB D 8 2000 µg/ml in Methyl tert. butyl ether 1. DRE YA15557100MB Nitrobenzene D 5 2000 µg/ml in Methyl tert. butyl ether DRE YA15974300MB Pentafluorophenol 2000 µg/ml in Methyl tert. butyl ether DRE C15987500 Perfluorotributylamine (PFTBA) 100 mg DRE YA20920100MB Phenanthrene D 10 2000 µg/ml in Methyl tert. butyl ether DRE YA16025200MB Phenol D 6 2000 µg/ml in Methyl tert. butyl ether DRE YA16646100MB Pyridine D 5 2000 µg/ml in Methyl tert. butyl ether EPA Method 627, 627 & 631 DRE C10470000 Benfluralin 250 mg 91

DRE C17850000 Trifluralin 250 mg DRE C11790000 Cyanazine 250 mg DRE C10490000 Benomyl 250 mg EPA Method 8010 DRE YA08010200ME DRE XA05000002ME DRE YA05000002ME EPA 8010 Halogenated VOC Mix 2 2000 µg/ml in Methanol Dibromomethane VOC Mix 2 200 µg/ml in Methanol VOC Mix 2 2000 µg/ml in Methanol 1,1,1,2 Tetrachloroethane 1,2,3 Trichloropropane Vinyl chloride Vinyl chloride DRE YA12235000ME 1,2 Dibromo 3 chloropropane 2000 µg/ml in Methanol DRE XA12240000ME 1,2 Dibromoethane 100 µg/ml in Methanol DRE YA10717000ME 2 Bromochlorobenzene 2000 µg/ml in Methanol (surrogate standard) DRE YA10718000ME 4 Bromochlorobenzene 1000 µg/ml in Methanol (surrogate standard) DRE YA10731000ME 4 Bromofluorobenzene 2000 µg/ml in Methanol (surrogate standard) EPA Method 8020 DRE YA08020100ME Aromatic VOC Mix 1 2000 µg/ml in Methanol DRE YA16982000ME 5000 µg/ml in Methanol DRE YA17945200ME, 5000 µg/ml in Methanol DRE XA08020300ME DRE YA08020300ME Aromatic VOC Mix 3 100 µg/ml in Methanol Aromatic VOC Mix 3 2000 µg/ml in Methanol DRE YA17846000ME alpha,alpha,alpha Trifluorotoluene 2000 µg/ml in Methanol (internal standard) DRE YA10717000ME 2 Bromochlorobenzene 2000 µg/ml in Methanol (surrogate standard) DRE YA10718000ME 4 Bromochlorobenzene 1000 µg/ml in Methanol (surrogate standard) DRE YA10731000ME 4 Bromofluorobenzene 2000 µg/ml in Methanol (surrogate standard) DRE YA12632000ME 1,4 Difluorobenzene 2000 µg/ml in Methanol (surrogate standard) DRE YA13781000ME Fluorobenzene 2000 µg/ml in Methanol (surrogate standard) 92

EPA Method 8021 DRE XA05000002ME VOC Mix 2 200 µg/ml in Methanol Vinyl chloride DRE YA05000002ME VOC Mix 2 2000 µg/ml in Methanol Vinyl chloride DRE YA05000003ME VOC Mix 3 2000 µg/ml in Methanol Dibromomethane 2,2 Dichloropropane DRE YA05000004ME VOC Mix 4 2000 µg/ml in Methanol 1,2 Dibromo 3 chloropropane 1,2 Dibromoethane (EDB) 1,3 Dichloropropane 1,1 Dichloropropene 1,3 Dichloropropene* *4000 µg/ml total, 52% cis, 48% trans Hexachlorobutadiene 1,1,1,2 Tetrachloroethane Trichloroethylene 1,2,3 Trichloropropane DRE YA05000005ME VOC Mix 5 2000 µg/ml in Methanol Bromobenzene n Butyl p Isopropyl 1,2,3 Trichlorobenzene 1,2,4 Trimethylbenzene 1,3,5 Trimethylbenzene DRE YA05000006ME VOC Mix 6 2000 µg/ml in Methanol sec Butyl tert Butyl 2 Chlorotoluene 4 Chlorotoluene Isopropylbenzene n Propyl DRE YA05000010ME VOC Mix EPA 524 2000 µg/ml in Methanol cis 1,2 Dichloroethene Dichloromethane (Methylene chloride) DRE YA11410400ME 2 Chloroethyl vinylether 5000 µg/ml in Methanol 93

DRE XA05000015ME DRE YA05000016ME VOC Mix 15 200 µg/ml in Methanol Bromobenzene N Butyl Sec Butyl Tert Butyl 2 Chlorotoluene 4 Chlorotoluene 1,2 Dibromo 3 chloropropane 1,2 Dibromoethane Dibromomethane Cis 1,2 Dichloroethene Trans 1,2 Dichloroethene Dichloromethane (Methylenechloride) * 400 µg/ml total, 52% cis, 48% trans Internal Standard Solution Mix16 2000 µg/ml in Methanol 1 Chloro 2 bromopropane 1,3 Dichloropropane 2,2 Dichloropropane 1,1 Dichloropropene *1,3 Dichloropropene Hexachlorobutadiene Isopropylbenzene p Isopropyltoluene N Propylbenzene 1,1,1,2 Tetrachloroethane 1,2,3 Trichlorobenzene 1,2,3 Trichloropropane 1,2,4 Trimethylbenzene 1,3,5 Trimethylbenzene Fluorobenzene DRE YA10717000ME 2 Bromochlorobenzene 2000 µg/ml in Methanol (surrogate standard) DRE YA10718000ME 4 Bromochlorobenzene 1000 µg/ml in Methanol (surrogate standard) DRE YA10722200ME 2 Bromo 1 chloropropane 2000 µg/ml in Methanol (surrogate standard) DRE YA12632000ME 1,4 Difluorobenzene 2000 µg/ml in Methanol (surrogate standard) EPA Method 8030, 8031 & 8033 DRE C10045500 Acrylonitrile 5 ml DRE YA10045500ME Acrylonitrile 5000 µg/ml in Methanol DRE YA10045500ME Acrylonitrile 5000 µg/ml in Methanol DRE C10045500 Acrylonitrile 5 ml EPA Method 8040 DRE YA08040400IP Phenol Mix 8040A 2000 µg/ml in Isopropanol EPA Method 8061 DRE YA08060100IO DRE YA08060100ME DRE YA08060300HE Phthalate Esters Mix 1 2000 µg/ml in Isooctane Phthalic acid, benzylbutyl ester Phthalic acid, bis butyl ester Phthalic acid, bis ethyl ester Phthalate Esters Mix 1 2000 µg/ml in Methanol Phthalic acid, benzylbutyl ester Phthalic acid, bis butyl ester Phthalic acid, bis ethyl ester Phthalate Esters Analytes Mix 3 1000 µg/ml in n Hexane Benzyl benzoate Bis(2 n butoxyethyl)phthalate Bis(2 ethoxyethyl)phthalate Bis(2 ethylhexyl)phthalate Bis(2 methoxyethyl)phthalate Bis(4 Methyl 2 pentyl)phthalate Butylbenzylphthalate Diamyl phthalate Di n butyl phthalate Phthalic acid, bis 2 ethylhexyl ester Phthalic acid, bis methyl ester Phthalic acid, bis 1 octyl ester Phthalic acid, bis 2 ethylhexyl ester Phthalic acid, bis methyl ester Phthalic acid, bis 1 octyl ester Dicyclohexyl phthalate Diethyl phthalate Dihexyl phthalate Diisobutyl phthalate Dimethylphthalate Dinonyl phthalate Di n octyl phthalate Hexyl 2 ethylhexyl phthalate (17 Compounds) DRE YA10537700HE Benzoic acid benzyl ester 5000 µg/ml in n Hexane (internal standard) DRE XA08060500AC Surrogate Standard Mix 5 500 µg/ml in Acetone Dibenzyl phthalate Diphenyl phthalate Diphenyl isophthalate 94

EPA Method 8070 DRE YA08070100ME EPA Method 8081 Nitrosamines Mix 1 2000 µg/ml in Methanol N Nitroso dimethylamine N Nitroso diphenylamine N Nitroso di n propylamine DRE YA20101600CY Aroclor 1016 1000 µg/ml in Cyclohexane DRE YA20122100CY Aroclor 1221 1000 µg/ml in Cyclohexane DRE YA20123200CY Aroclor 1232 1000 µg/ml in Cyclohexane DRE YA20124200CY Aroclor 1242 1000 µg/ml in Cyclohexane DRE YA20124800CY Aroclor 1248 1000 µg/ml in Cyclohexane DRE YA20125400CY Aroclor 1254 1000 µg/ml in Cyclohexane DRE YA20126000CY Aroclor 1260 1000 µg/ml in Cyclohexane DRE XA08080400TH DRE YA08080400TH Single Column Analytes Mix 4 100 µg/ml in /Hexane Aldrin Dieldrin Alpha BHC Alpha Endosulfan Beta BHC Aeta Endosulfan Gamma BHC Endosulfan sulfate Delta BHC Endrin Alpha Chlordane Endrin aldehyde gamma Chlordane Endrin ketone 4,4 DDD Heptachlor 4,4 DDE Heptachlor Endo Epoxide (Isomer A) 4,4 DDT Methoxychlor Single Column Analytes Mix 4 2000 µg/ml in /Hexane Aldrin alpha Endosulfan alpha BHC beta Endosulfan beta BHC Endosulfan sulfate gamma BHC Endrin delta BHC Endrin aldehyde alpha Chlordane Endrin ketone gamma Chlordane Heptachlor 4,4 DDD Heptachlor endo epoxide (Isomer A) 4,4 DDE Methoxychlor 4,4 DDT Dieldrin DRE YA10940000HE Camphechlor (Toxaphene) 4000 µg/ml in n Hexane DRE YA11200000ME Chlordane (technical) 2000 µg/ml in Methanol DRE XA08080900AC DRE YA08080800ME Surrogate Standard Mix 9 200 µg/ml in Acetone Tetrachloro m xylene DDT Endrin Mix 1 500 µg/ml in Methanol 4,4 DDT Decachlorobiphenyl DRE C11242500 Chlorendic acid, dibutyl ester (surrogate standard) 100 mg DRE XA17382500ME 2,4,5,6 Tetrachloro m xylene 100 µg/ml in Methanol (surrogate standard) DRE X20020900IO PCB No. 209 100 µg/ml in Isooctane (surrogate standard) 10 ml DRE XA16730000CY Quintozene 100 µg/ml in Cyclohexane (internal standard) DRE XA16730000AL Quintozene 100 µg/ml in Acetonitrile (internal standard) DRE XA12246000AC alpha alpha' Dibromo m xylene 100 µg/ml in Acetone (internal standard) EPA Method 8090 DRE YA08090100HA EPA 8090 Mix 1 2000 µg/ml in n Hexane:Acetone 1,3 Dinitrobenzene 2,4 Dinitrotoluene 2,6 Dinitrotoluene Endrin Isophorone 1,4 Naphtoquinone Nitrobenzene DRE YA13785000CY 2 Fluorobiphenyl 2000 µg/ml in Cyclohexane (surrogate standard) 95

EPA Method 8100 DRE YA06100300TO PAH Mix 63 1000 µg/ml in Acenaphthene Acenaphthylene Anthracene Benzo(a)anthracene Benzo(a)pyrene Benzo(b)fluoranthene Benzo(k)fluoranthene Benzo(g,h,i)perylene Chrysene Dibenzo(a,h)anthracene Fluoranthene Fluorene Indeno(1,2,3 cd)pyrene Phenanthrene Pyrene DRE YA13785000CY 2 Fluorobiphenyl 2000 µg/ml in Cyclohexane (surrogate standard) DRE YA13794000MB 1 Fluoronaphthalene 2000 µg/ml in Methyl tert. butyl ether (surrogate standard) EPA Method 8110 DRE YA06110100ME EPA Method 8120 DRE YA08120200HE EPA Method 8150 DRE XA06150100ME DRE XA08150400HE Haloethers Mix 1 2000 µg/ml in Methanol 4 Bromophenyl phenyl ether bis(2 Chloroethoxy) methane bis(2 Chloroethyl) ether bis(2 Chloroisopropyl) ether 4 Chlorophenyl phenyl ether Chlorinated Hydrocarbons Mix 2 2000 µg/ml in n Hexane 2 Chloronaphthalene Hexachloro 1,3 butadiene Hexachlorocyclopentadiene Hexachloroethane 1,2,4,5 Tetrachlorobenzene Hexachlorobenzene Chlorinated Herbicides Acids Mix 1 in Methanol 2,4 D... 100 µg/ml 2,4 DB... 100 µg/ml Dalapon... 250 µg/ml l Dicamba... 100 µg/ml Dichlorprop... 100 µg/ml Herbicide Methyl Derivatives Mix 4 in n Hexane 2,4 D methyl ester... 200 µg/ml Dalapon methyl ester... 200 µg/ml 2,4 DB methyl ester... 200 µg/ml Dicamba methyl ester... 200 µg/ml Dichlorprop methyl ester... 200 µg/ml Dinoseb... 50 µg/ml MCPA... 10000 µg/ml MCPP... 10000 µg/ml Fenoprop (Silvex; 2,4,5 TP)... 10 µg/ml 2,4,5 T... 10 µg/ml Dinoseb methyl ether... 200 µg/ml MCPA methyl ester... 2000 µg/ml Mecoprop methyl ester... 2000 µg/ml 2,4,5 T methyl ester... 200 µg/ml Fenoprop methyl ester... 200 µg/ml DRE XA12240600CY 4,4' Dibromooctafluorobiphenyl 100 µg/ml in Cyclohexane (internal standard) DRE YA12240600MB 4,4' Dibromooctafluorobiphenyl 2000 µg/ml in Methyl tert. butyl ether (internal standard) DRE YA12468500AC 2,4 Dichlorophenyl acetic acid methyl ester 2000 µg/ml in Acetone (surrogate standard) EPA Methods 8240 and 8260 DRE XA08020300ME DRE YA08020300ME Aromatic VOC Mix 3 100 µg/ml in Methanol Aromatic VOC Mix 3 2000 µg/ml in Methanol 96

DRE YA08010200ME DRE XA05000002ME DRE YA05000002ME EPA Method 8260 DRE XA05000002ME DRE YA05000002ME DRE YA05000003ME DRE YA05000004ME DRE YA05000005ME DRE YA05000006ME DRE YA05000010ME EPA 8010 Halogenated VOC Mix 2 2000 µg/ml in Methanol Dibromomethane VOC Mix 2 200 µg/ml in Methanol VOC Mix 2 2000 µg/ml in Methanol VOC Mix 2 200 µg/ml in Methanol VOC Mix 2 2000 µg/ml in Methanol VOC Mix 3 2000 µg/ml in Methanol Dibromomethane VOC Mix 4 2000 µg/ml in Methanol 1,2 Dibromo 3 chloropropane 1,2 Dibromoethane (EDB) 1,3 Dichloropropane 1,1 Dichloropropene 1,3 Dichloropropene* *4000 µg/ml total, 52% cis, 48% trans VOC Mix 5 2000 µg/ml in Methanol Bromobenzene n Butyl p Isopropyl VOC Mix 6 2000 µg/ml in Methanol sec Butyl tert Butyl 2 Chlorotoluene 4 Chlorotoluene VOC Mix EPA 524 2000 µg/ml in Methanol 1,1,1,2 Tetrachloroethane 1,2,3 Trichloropropane Vinyl chloride Vinyl chloride Vinyl chloride Vinyl chloride 2,2 Dichloropropane Hexachlorobutadiene 1,1,1,2 Tetrachloroethane Trichloroethylene 1,2,3 Trichloropropane 1,2,3 Trichlorobenzene 1,2,4 Trimethylbenzene 1,3,5 Trimethylbenzene Isopropylbenzene n Propyl cis 1,2 Dichloroethene Dichloromethane (Methylene chloride) DRE YA11016000ME Carbondisulfide, 5000 µg/ml in Methanol 97

DRE YA11098000AL DRE XA11502000CY Chloralhydrate 1000 µg/ml in Acetonitrile Chloroprene 100 µg/ml in Cyclohexane DRE CA14343000 Iodomethane no shipment by air 250 mg DRE YA14343000MW Iodomethane 2000 µg/ml in Methanol/Water 80:20 DRE CA17922500 Vinylacetate DRE YA08241300ME Surrogate Standard Mix 13 2000 µg/ml in Methanol 4 Bromofluorobenzene D 8 D 4 DRE YA04000500ME DRE XA05000020ME DRE XA05000015ME Purgeable Internal Standard VOC Mix 15 2500 µg/ml in Methanol D 5 VOC Mix 20 200 µg/ml in Methanol 1,4 Difluorobenzene 2,2 Dichloropropane Bromobenzene 1,1 Dichloro 1 propene 1,3 Dichloropropene (cis+trans)* Fluorotrichloromethane n Butylbenzene Hexachloro 1,3 butadiene sec Butylbenzene Isopropylbenzene tert Butylbenzene 4 Isopropyltoluene n Propylbenzene 1,1,1,2 Tetrachloroethane 2 Chlorotoluene 4 Chlorotoluene Tetrachloromethane 1,2 Dibromo 3 Chloropropane 1,2 Dibromoethane Tribromomethane Dibromoethane 1,2,3 Trichlorobenzene Trichloromethane 1,2,3 Trichloropropane 1,2,4 Trimethylbenzene cis 1,2 Dichloroethene 1,3,5 Trimethylbenzene Dichloromethane 1,3 Dichloropropane *400 µg/ml total 52% cis, 48% trans VOC Mix 15 200 µg/ml in Methanol Bromobenzene N Butyl Sec Butyl Tert Butyl 2 Chlorotoluene 4 Chlorotoluene 1,2 Dibromo 3 chloropropane 1,2 Dibromoethane Dibromomethane Cis 1,2 Dichloroethene Trans 1,2 Dichloroethene Dichloromethane (Methylenechloride) * 400 µg/ml total, 52% cis, 48% trans 1,3 Dichloropropane 2,2 Dichloropropane 1,1 Dichloropropene *1,3 Dichloropropene Hexachlorobutadiene Isopropylbenzene p Isopropyltoluene N Propylbenzene 1,1,1,2 Tetrachloroethane 1,2,3 Trichlorobenzene 1,2,3 Trichloropropane 1,2,4 Trimethylbenzene 1,3,5 Trimethylbenzene 98

DRE YA05000042MW VOC Mix 42 2000 µg/ml in Methanol/Water 9:1 Acetone 2 Hexanone 2 Butanone 4 Methyl 2 pentanone DRE YA10731000ME 4 Bromofluorobenzene 2000 µg/ml in Methanol (instrument performance check solution) DRE CA14343000 Iodomethane no shipment by air 250 mg DRE YA14343000MW Iodomethane 2000 µg/ml in Methanol/Water DRE CA17922500 Vinylacetate DRE YA08260400ME Purgeable Internal Standards Mix 4 2000 µg/ml in Methanol D 5 1,4 Difluorobenzene D 4 Pentafluorobenzene DRE YA08241300ME Surrogate Standard Mix 13 2000 µg/ml in Methanol 4 Bromofluorobenzene D 8 D 4 DRE YA10731000ME 4 Bromofluorobenzene 2000 µg/ml in Methanol (instrument performance check solution) EPA Method 8270 DRE YA04001500ME Phenols Mix 15 2000 µg/ml in Methanol 4 Chloro 3 methyl phenol 2 Nitrophenol 2 Chlorophenol 4 Nitrophenol 2,4 Dichlorophenol Pentachlorophenol 2,6 Dichlorophenol Phenol 2,4 Dimethylphenol 2,3,4,6 Tetrachlorophenol 4,6 Dinitro 2 methylphenol 2,4,6 Trichlorophenol 2,4 Dinitrophenol DRE YA08271900IP Phenol Mix 19 2000 µg/ml in Isopropanol 2 sec Butyl 4,6 dinitrophenol (Dinoseb) 3 Methylphenol 4 Chloro 3 methylphenol 4 Methylphenol 2 Chlorophenol 2 Nitrophenol 2,4 Dichlorophenol 4 Nitrophenol 2,6 Dichlorophenol Pentachlorophenol 2,4 Dimethylphenol Phenol 2,4 Dinitrophenol 2,3,4,6 Tetrachlorophenol 2 Methyl 4,6 dinitrophenol (DNOC) 2,4,5 Trichlorophenol 2 Methylphenol 2,4,6 Trichlorophenol DRE YA08070100ME Nitrosamines Mix 1 2000 µg/ml in Methanol N Nitroso dimethylamine N Nitroso di n propylamine N Nitroso diphenylamine DRE XA08060100ME Phthalate Esters Mix 1 200 µg/ml in Methanol Bis (2 ethylhexyl) phthalate Dimethyl phthalate Butyl benzyl phthalate Di n butyl phthalate Diethyl phthalate Di n octyl phthalate DRE YA08060100IO Phthalate Esters Mix 1 2000 µg/ml in Isooctane Phthalic acid, benzylbutyl ester Phthalic acid, bis 2 ethylhexyl ester Phthalic acid, bis butyl ester Phthalic acid, bis methyl ester Phthalic acid, bis ethyl ester Phthalic acid, bis 1 octyl ester DRE YA08060100ME Phthalate Esters Mix 1 2000 µg/ml in Methanol Phthalic acid, benzylbutyl ester Phthalic acid, bis 2 ethylhexyl ester Phthalic acid, bis butyl ester Phthalic acid, bis methyl ester Phthalic acid, bis ethyl ester Phthalic acid, bis 1 octyl ester DRE YA08120200HE Chlorinated Hydrocarbons Mix 2 2000 µg/ml in n Hexane 2 Chloronaphthalene Hexachloro 1,3 butadiene Hexachlorocyclopentadiene Hexachloroethane 1,2,4,5 Tetrachlorobenzene Hexachlorobenzene DRE YA06110100ME Haloethers Mix 1 2000 µg/ml in Methanol 4 Bromophenyl phenyl ether bis(2 Chloroisopropyl) ether bis(2 Chloroethoxy) methane 4 Chlorophenyl phenyl ether bis(2 Chloroethyl) ether DRE YA08090100HA EPA 8090 Mix 1 2000 µg/ml in n Hexane:Acetone 1,3 Dinitrobenzene 2,4 Dinitrotoluene 2,6 Dinitrotoluene Isophorone 1,4 Naphtoquinone Nitrobenzene 99

DRE YA08080100TH DRE YA06100400BD Organochlorine Pesticide Mix 2 2000 µg/ml in /Hexane Aldrin alpha Endosulfan alpha BHC beta Endosulfan beta BHC Endosulfan sulfate gamma BHC Endrin delta BHC Endrin aldehyde 4,4 DDD Endrin ketone 4,4 DDE Heptachlor 4,4 DDT Heptachlor endo epoxide (Isomer A) Dieldrin Methoxychlor PAH Mix 64 2000 µg/ml in Acenaphthene Acenaphthylene Anthracene Benzo(a)anthracene Benzo(a)pyrene Benzo(b)fluoranthene Benzo(k)fluoranthene Benzo(g,h,i)perylene Carbazole Chrysene Dibenzo(a,h)anthracene Fluoranthene Fluorene Indeno(1,2,3 cd)pyrene Phenanthrene Pyrene DRE YA11200000ME Chlordane (technical) 2000 µg/ml in Methanol DRE YA16058000AL 1,4 Phenylenediamine (1,4 Diaminobenzene) 2000 µg/ml in Acetonitrile DRE YA10940000HE Camphechlor (Toxaphene) 4000 µg/ml in n Hexane DRE YA20101600CY Aroclor 1016 1000 µg/ml in Cyclohexane DRE YA20122100CY Aroclor 1221 1000 µg/ml in Cyclohexane DRE YA20123200CY Aroclor 1232 1000 µg/ml in Cyclohexane DRE YA20124200CY Aroclor 1242 1000 µg/ml in Cyclohexane DRE YA20124800CY Aroclor 1248 1000 µg/ml in Cyclohexane DRE YA20125400CY Aroclor 1254 1000 µg/ml in Cyclohexane DRE YA20126000CY Aroclor 1260 1000 µg/ml in Cyclohexane DRE YA08271800ME Surrogate Standard Acid Mix 18 2000 µg/ml in Methanol 2 Fluorophenol Phenol D 6 2,4,6 Tribromophenol DRE YA04001900DI Surrogate Standard Base Neutrals Mix 19 1000 µg/ml in Dichloromethane 2 Fluorobiphenyl 4 Terphenyl D 14 Nitrobenzene D 5 DRE XA10536000AL 4,4' Benzidine 100 µg/ml in Acetonitrile (GC/MS calibration and tuning standards) DRE XA15970000ME Pentachlorophenol 100 µg/ml in Methanol (GC/MS calibration and tuning standards) DRE YA12093000AC Decafluorotriphenylphosphine 1000 µg/ml in Acetone (GC/MS calibration and tuning standards) DRE C15987500 Perfluorotributylamine (PFTBA) (GC/MS calibration and tuning standards) 100 mg DRE YA08272600BD Internal Standards Mix 26 4000 µg/ml in /Dichloromethane 1:1 Acenaphthene D 10 D 8 Chrysene D 12 Perylene D 12 D 4 Phenanthrene D 10 DRE YA08273300TO DRE Y08273300TO DRE XA08272500AL DRE YA08270200DI Internal Standards Mix 33 2000 µg/ml in Acenaphthene D 10 D 8 Chrysene D 12 Perylene D 12 D 4 Phenanthrene D 10 Internal Standards Mix 33 2000 µg/ml in Acenaphthene D 10 D 8 Chrysene D 12 Perylene D 12 D 4 Phenanthrene D 10 Tuning Standard Mix 25 500 µg/ml in Acetonitrile 4,4 Benzidine 4,4 DDT Decafluorotriphenylphosphine (DFTPP) Pentachlorophenol Semi volatile Organic Compounds Mix 2 2000 µg/ml in Dichloromethane Azobenzene 2 Chloronaphthalene 2,4 Dinitrotoluene 2,6 Dinitrotoluene Hexachlorobenzene Hexachlorobutadiene Hexachlorocyclopentadiene Hexachloroethane Isophorone Nitrobenzene 10 ml 100

EPA Method 8310 DRE L20950014AL PAH Mix 14 10 µg/ml in Acetonitrile 10 ml Acenaphthene Dibenz(a,h)anthracene Acenaphthylene Fluoranthene Anthracene Fluorene Benzo(a)anthracene Indeno(1,2,3,c,d)pyrene Benzo(b)fluoranthene 1 Methylnaphthalene Benzo(k)fluoranthene 2 Methylnaphthalene Benzo(g,h,i)perylene Benzo(a)pyrene Phenanthrene Chrysene Pyrene DRE L20950014CY PAH Mix 14 10 µg/ml in Cyclohexane 10 ml Acenaphthene Dibenz(a,h)anthracene Acenaphthylene Fluoranthene Anthracene Fluorene Benzo(a)anthracene Indeno(1,2,3,c,d)pyrene Benzo(b)fluoranthene 1 Methylnaphthalene Benzo(k)fluoranthene 2 Methylnaphthalene Benzo(g,h,i)perylene Benzo(a)pyrene Phenanthrene Chrysene Pyrene DRE YA20950014AB PAH Mix 14 2000 µg/ml in Acetone/ Acenaphthene Dibenz(a,h)anthracene Acenaphthylene Fluoranthene Anthracene Fluorene Benzo(a)anthracene Indeno(1,2,3,c,d)pyrene Benzo(b)fluoranthene 1 Methylnaphthalene Benzo(k)fluoranthene 2 Methylnaphthalene Benzo(g,h,i)perylene Benzo(a)pyrene Phenanthrene Chrysene Pyrene DRE XA05500100AL PAH Mix 50 in Acetonitrile Acenaphthene... 1000 µg/ml Chrysene... 50 µg/ml Acenaphthylene... 1000 µg/ml Dibenzo(a,h)anthracene... 10 µg/ml Anthracene... 50 µg/ml Fluoranthene... 50 µg/ml Benzo(a)anthracene... 1 µg/ml Fluorene... 100 µg/ml Benzo(a)pyrene... 5 µg/ml Indeno(1,2,3 cd)pyrene... 10 µg/ml Benzo(b)fluoranthene... 1 µg/ml... 1000µg/mL Benzo(g,h,i)perylene... 5 µg/ml Phenanthrene... 50 µg/ml Benzo(k)fluoranthene... 1µg/mL Pyrene... 50 µg/ml DRE XA06100100AM PAH Mix 61 in Methanol/Acetone 1:1 Acenaphthene... 1000 µg/ml Chrysene... 100 µg/ml Acenaphthylene... 2000 µg/ml Dibenzo(a,h)anthracene... 200 µg/ml Anthracene... 100 µg/ml Fluoranthene... 200 µg/ml Benzo(a)anthracene... 100 µg/ml Fluorene... 200 µg/ml Benzo(a)pyrene... 100 µg/ml Indeno(1,2,3 cd)pyrene... 100 µg/ml Benzo(b)fluoranthene... 200 µg/ml... 1000 µg/ml Benzo(g,h,i)perylene... 200 µg/ml Phenanthrene... 100 µg/ml Benzo(k)fluoranthene... 100 µg/ml Pyrene... 100 µg/ml EPA Method 8330 DRE XA08330100AL Nitroaromate Explosive Mix 1 100 µg/ml in Acetonitrile 1,3 Dinitrobenzene Octogen (HMX) 2,4 Dinitrotoluene 1,3,5 Trinitrobenzene (TNB) Hexogen (RDX) 2,4,6 Trinitrotoluene (TNT) Nitrobenzene DRE XA08330200AL Nitroaromate Nitroamine Mix 2 100 µg/ml in Acetonitrile 2 Amino 4,6 dinitrotoluene 3 Nitrotoluene 4 Amino 2,6 dinitrotoluene 4 Nitrotoluene 2,6 Dinitrotoluene Tetryl 2 Nitrotoluene Contract laboratory program CLP DRE XA04000100ME Aromatic Hydrocarbons Mix 11 200 µg/ml in Methanol DRE YA04000100ME Aromatic Hydrocarbons Mix 11 2000 µg/ml in Methanol Ethyl 101

DRE YA04001500ME Phenols Mix 15 2000 µg/ml in Methanol 4 Chloro 3 methyl phenol 2 Nitrophenol 2 Chlorophenol 4 Nitrophenol 2,4 Dichlorophenol Pentachlorophenol 2,6 Dichlorophenol Phenol 2,4 Dimethylphenol 2,3,4,6 Tetrachlorophenol 4,6 Dinitro 2 methylphenol 2,4,6 Trichlorophenol 2,4 Dinitrophenol DRE XA04000300ME Volatiles Mix 13 200 µg/ml in Methanol Acetone 1,3 Dichloropropene* Ethyl 2 Hexanone 2 Butanone 4 Methyl 2 pentanone Carbon disulphide cis 1,2 Dichloroethene Dichloromethane *400 µg/ml, 52% cis, 48% trans DRE YA04000500ME Purgeable Internal Standard VOC Mix 15 2500 µg/ml in Methanol 1,4 Difluorobenzene D 5 DRE YA08241300ME DRE YA04001600ME Surrogate Standard Mix 13 2000 µg/ml in Methanol 4 Bromofluorobenzene D 8 D 4 CLP Acid Surrogate Standard Mix 15 2000 µg/ml in Methanol 2 Chlorophenol D 4 Phenol D 6 2 Fluorophenol 2,4,6 Tribromophenol DRE YA10731000ME 4 Bromofluorobenzene 2000 µg/ml in Methanol (instrument performance check solution) DRE YA06100400BD PAH Mix 64 2000 µg/ml in Acenaphthene Chrysene Acenaphthylene Dibenzo(a,h)anthracene Anthracene Fluoranthene Benzo(a)anthracene Fluorene Benzo(a)pyrene Indeno(1,2,3 cd)pyrene Benzo(b)fluoranthene Benzo(k)fluoranthene Phenanthrene Benzo(g,h,i)perylene Pyrene Carbazole DRE YA19000005AL DRE YA04001900DI Phenol Mix 5 2500 µg/ml in Acetonitrile 2 Bromophenol 4 Chloro 3 methylphenol 2 Chlorophenol 2,4 Dichlorophenol 2,4 Dimethylphenol 2,4 Dinitrophenol 2 Methyl 4,6 dinitrophenol 2 Methylphenol 3 Methylphenol 2 Nitrophenol 4 Nitrophenol Pentachlorophenol Phenol 2,3,4,6 Tetrachlorophenol 2,4,6 Trichlorophenol Surrogate Standard Base Neutrals Mix 19 1000 µg/ml in Dichloromethane 2 Fluorobiphenyl 4 Terphenyl D 14 Nitrobenzene D 5 DRE YA12093000AC Decafluorotriphenylphosphine 1000 µg/ml in Acetone (instrument check solution) Contract laboratory program CLP DRE YA08272600BD Internal Standards Mix 26 4000 µg/ml in /Dichloromethane 1:1 Acenaphthene D 10 D 8 Chrysene D 12 Perylene D 12 D 4 Phenanthrene D 10 Contract laboratory program CLP DRE YA08273300TO Internal Standards Mix 33 2000 µg/ml in Acenaphthene D 10 D 8 Chrysene D 12 Perylene D 12 D 4 Phenanthrene D 10 102

DRE Y08273300TO Internal Standards Mix 33 2000 µg/ml in Acenaphthene D 10 D 8 Chrysene D 12 Perylene D 12 D 4 Phenanthrene D 10 DRE YA20101600CY Aroclor 1016 1000 µg/ml in Cyclohexane DRE YA20122100CY Aroclor 1221 1000 µg/ml in Cyclohexane DRE YA20123200CY Aroclor 1232 1000 µg/ml in Cyclohexane DRE YA20124200CY Aroclor 1242 1000 µg/ml in Cyclohexane DRE YA20124800CY Aroclor 1248 1000 µg/ml in Cyclohexane DRE YA20125400CY Aroclor 1254 1000 µg/ml in Cyclohexane DRE YA20126000CY Aroclor 1260 1000 µg/ml in Cyclohexane DRE XA08080900AC Surrogate Standard Mix 9 200 µg/ml in Acetone Tetrachloro m xylene Toxicity characteristic leaching study DRE YA04010100ME DRE YA04010200ME Volatile Spiking Mix 1 in Methanol... 5000 µg/ml 2 Butanone... 10000 µg/ml... 5000 µg/ml... 5000 µg/ml... 5000 µg/ml Vinylchloride, 5000 µg/ml in Methanol Decachlorobiphenyl... 5000 µg/ml... 5000 µg/ml... 5000 µg/ml... 5000 µg/ml... 5000 µg/ml DRE CA17922500 Vinylacetate DRE YA11200000ME Chlordane (technical) 2000 µg/ml in Methanol (pesticide spiking solution) DRE YA10940000HE Camphechlor (Toxaphene) 4000 µg/ml in n Hexane (pesticide spiking solution) DRE XA01650100DI DRE XS01650100DI CLP GPC Calibration Mix 1 in Dichloromethane Corn oil... 250000 µg/ml Bis (2 ethylhexyl) phthalate... 10000 µg/ml Methoxychlor... 2000 µg/ml GLP GPC Calibration Mix 1 in Dichloromethane Corn oil... 250000 µg/ml Bis (2 ethylhexyl) phthalate... 10000 µg/ml Methoxychlor... 2000 µg/ml Perylene... 200 µg/ml Sulfur... 800 µg/ml Perylene... 200 µg/ml Sulfur... 800 µg/ml 10 ml 5 ml 10 x 103