Heavy Metals. Place 2.0 g of NM441 in a porcelain crucible, cover loosely with a lid, and carbonise by gentle ignition. After cooling, add 2 mL of nitric acid and 5 drops of sulphuric acid, heat cautiously until white fumes no longer are evolved, and incinerate by ignition between 500°C and 600°C. Cool, add 2 mL of hydrochloric acid, evaporate to dryness on a water bath, moisten the residue with 3 drops of hydrochloric acid, add 10 mL of hot water, and warm for 2 minutes. Then add 1 drop of phenolphthalein TS, and add ammonia TS dropwise until the solution develops a pale red colour, add 2 mL of dilute acetic acid, filter if necessary, and wash with 10 mL of water. Transfer the filtrate and washings to a Xxxxxxx tube, and add water to make 50 mL. Designate it as the test solution. The control solution is prepared as follows: Evaporate a mixture of 2 mL of nitric acid, 5 drops of sulphuric acid and 2 mL of hydrochloric acid on a water bath, further evaporate to dryness on a sand bath, and moisten the residue with 3 drops of hydrochloric acid. Hereinafter, proceed as directed in the test solution, then add 2 mL of Standard Lead Solution and water to make 50 mL. Add 1 drop of sodium sulphide TS to each of the test solution and the control solution, mix thoroughly, and allow to stand for 5 minutes. Then compare the colours of both solutions by viewing the tubes downward or transversely against a white background. The test solution has no more colour than the control solution (not more than 10ppm). Reagents •
Heavy Metals. 26 SECTION 5.15
Heavy Metals. Historic soil and groundwater sampling, as well as recent sampling by Allied Environmental, has disclosed the presence of heavy metals and other constituents in the groundwater at the property, including thallium, lead, arsenic, gross alpha and antimony. Lessee covenants and agrees to work with Florida DEP, and to promptly conduct such sampling, remediation and/or other actions required to obtain a letter from Florida DEP indicating that no further action is required with regard to the discovered constituents, in a form reasonably satisfactory to Agent and Lessor, all at no cost to Agent, Lessor or the Lenders. These provisions will be in addition to, and not in limitation of, any other rights of Agent, the Lenders or Lessor.
Heavy Metals. From among the heavy metals, joint monitoring includes observation of zinc, mercury, arsenic, copper, chromium, cadmium, nickel and lead contents. The heavy metals are determined from filtered samples. From the long-term point of view, their contents in the surface water of the monitored area are mostly low with occasional higher values. The arsenic pollution of surface water in the assessed year was lower at sampling sites on the Slovak territory monitored by VÚVH (from <1 to 1,6 µg.l-1) than at sampling sites monitored by the Hungarian Party, where concentrations ranged from <2 to 4,7 µg.l-1. The highest value was recorded in July on the sampling site No. 0002 in the Danube old riverbed at Dunaremete. The measured concentrations occurred at eight sampling sites, with a frequency from 1 to 4 times. In the case of sampling site observed by SVP-PD, concentrations were below the limit of determination, which in this case was 5.0 µg.l-1. The cadmium concentrations were low in the evaluated year, and except one value (0.13 μg.l-1) on the sampling site No. 1141 at Mecsér, did not exceed the limits of determination, which are 0.02 μg.l-1 (VÚVH), 0.08 μg.l-1 (SVP-PD) and 0.10 μg.l-1 (Hungarian data). Similarly, in the case of chromium, there was only one value at the level of the limit of determination (1.0 μg.l-1) on the common sampling site in the Mosoni Danube at Rajka by the Hungarian side, all other concentrations were below the limit of determination, so lower than
Heavy Metals. All Institutional Furniture shall contain less than 100 ppm of any heavy metals and hexavalent or trivalent chromium.
Heavy Metals. All furniture shall be free of any heavy metals, including hexavalent and trivalent chromium, in concentrations greater than 100 ppm.
