Tall wide-mouth clear Type III glass jar with PTFE-lined, polypropylene closure. Excellent for use in soil, sludge, and sediment sampling. I-Chem Certified® 200 and 300 Series bottles are guaranteed to meet the EPA's Performance Based Specifications for Metals (Group 1). 125 through 1000mL sizes are also certified for Semi-Volatiles/Pesticides/PCB's (Group 2) analysis. The I-Chem® 300 Series jars include full laboratory certification. I-Chem® 200 Series Jars are prepared to the same specifications as the 300 Series and are available with a certificate upon request. I-Chem® 100 Series jars are made of the same quality materials and to the same specifications as the I-Chem® 200 & 300 Series jars. However, these products are neither processed nor certified.