The ASTM has approved a new standard test method for measuring total oil and grease (TOG) and total petroleum hydrocarbon (TPH) concentration levels in water and soil. ASTM Method D 7066 - 04 covers the use of dimer/trimer of chlorotrifluoroethylene (S-316) for analysis of recoverable oil and grease and nonpolar material by infrared determination. This ASTM method approves S-316 as a replacement solvent for Freon for this analysis and replaces ASTM Method D 3921.

With the publication of this method, the ASTM officially approved the use of S-316 as a replacement solvent for Freon when measuring total oil and grease and total petroleum hydrocarbons in water and soil. The extraction procedure detailed in the new ASTM test method is basically the same as outlined in US EPA Methods 413.2 and 418.1, but using S-316 as the extracting solvent instead of Freon. ASTM Method D 7066 - 04 is ideal for measuring volatile constituents.

The Wilks Enterprise InfraCal 10mm Quartz Cuvette Holder Analyzer, Model CVH - Part Number 405-0003 which uses 10 mm quartz cuvette cells (Part Number 403-0012), was one of the infrared instruments used for developing this new ASTM test method. The Model CVH is an easy-to-use portable, fixed filter infrared analyzer that quickly determines TOG or TPH levels in water and soil samples in less than 10-15 minutes, including extraction procedure. Concentration levels as low as 2 parts per million (ppm) to well over 5000 ppm can be easily and accurately measured.

The InfraCal Model CVH Analyzer is portable, weighing under 5 Ibs. It operates from a 12 volt power supply making it ideal for on-site field or laboratory use. The Model CVH is direct reading and microprocessor-controlled with simple pushbutton operation for easy use. It requires minimal training or knowledge of infrared analytical techniques. The analyzer is ideal for a wide variety of wastewater applications, including the analysis of produced water on off-shore oil platforms, and remediation site clean ups around storage tanks or pipelines.