500 Series Method 501 Method 502.1 Method 502.2 Method 503.1 Method 504/504.1 Method 505 Method 506 Method 507 Method 508 Method 508.1 Method 508A Method 515.1 Method 515.2 Method 524.2 Method 525.2 Method 531.1 Method 547 Method 548 Method 548.1 Method 549.1 Method 550/550.1 Method 551.1 Method 552 Method 552.1 Method 552.2 600 Series Method 601 Method 602 Method 603 Method 604 Method 605 Method 606 Method 607 Method 608 Method 608.1 Method 608.2 Method 609 Method 610 Method 611 Method 612 Method 614 Method 614.1 Method 615 Method 617 Method 618 Method 619 Method 620 Method 622 Method 624 Method 625 Method 627-645 Method 632 8000 Series Method 8010A Method 8010B Method 8011 Method 8015A Method 8015B Method 8020/8020A Method 8021/8021A/8021B Method 8030 Method 8031 Method 8032A Method 8033 Method 8040 Method 8041 Method 8060 Method 8061 Method 8070 Method 8080A/8081A Method 8082 Method 8090 Method 8091 Method 8100 Method 8110 Method 8111 Methods 8120/8120A/8121 Methods 8140/8141 Methods 8150A/8150B/8151 Method 8240B Method 8260B Method 8270C Method 8310 CLP Semivolatile Standards CLP Semivolatile Standards CLP Pesticide Standards CLP Pesticide Standards CLP Volatile Standards CLP Volatile Standards TCLP - Method 1311 TCLP - Method 1311 Petrochemical/LUST Standards Petrochemical/LUST Standards Internal Standards Internal Standards / Surroga... New Tinted Indicator Surroga... Single-Component Standards Columns CA-1 (Methyl Silicone) CA-1701 (14% Cyano Silicone) CA-5 5% (Phenyl Silicone) CA-502.2 CA-FFAP (Acid Modified PEG) CA-Wax (Polyethylene Glycol) Intermediate Polarity Guard ... Non-Polar Guard Columns Polar Guard Columns Request a Custom Column Column Installation Tips QC Samples QC Samples for WP - Inorgani... QC Samples for WP - Organic QC Samples for WS - Inorgani... QC Samples for WS - Organic

Table of Contents < Method 547 Method 548.1 >  Method 548 The USEPA method 548 is an analytical method in which a 5-mL aliquot of sample is derivitized with PFPH. The drivitized sample is extraction and then analyzed using a gas chromatograph equipped with a capillary column to perform the separation and an ECDto detect the analytes.  ENDOTHALL STOCK STD Endothal             1.2 mL @ 2000 µg/ml in WATER   Catalog#: 548-A  $32.00     ENDOTHALL-PFPH - STOCK STD Endothal-PFPH             1.2 mL @ 2000 µg/ml in MTBE   Catalog#: 548-APFPH  $32.00     INT STD Endosulfan I           1.2 mL @ 200 µg/ml in MTBE   Catalog#: 548-IS  $21.00