Section Env-A 1221.02 - Compliance Standards for Cold Cleaning(a) The owner or operator of a cold cleaning process shall control such process by using the control techniques, operating requirements, and equipment described below: (1) Control techniques shall include the following:a. To prevent spillage, either: 1. A freeboard height that gives a freeboard ratio greater than or equal to 0.75 unless the machine is equipped with a cover that is kept closed except when parts are being placed into or being removed from the machine; or2. A water cover at least 2.54 centimeter (cm) , equivalent to 1 inch (in), deep, where the solvent is insoluble in and heavier than water;b. If a solvent spray is used, the spray nozzle shall be capable of delivering a cohesive fluid stream, rather than a fine, atomized or shower type spray, operated according to (2)f., below; andc. A permanent, legible, and conspicuous label, summarizing the operating requirements specified in (2), below, affixed to each solvent container or other location where it can be easily seen by the operator; (2) Operating requirements shall be as follows:a. Waste solvent shall be stored only in covered containers;b. The degreaser cover shall be closed whenever parts in the cleaner are not being handled manually;c. Cleaned parts shall be drained for at least 15 seconds or until dripping ceases, whichever is longer;d. Solvent leaks shall be repaired immediately or the degreaser shall be shut down;e. Drafts across the top of each cold cleaning unit shall be minimized;f. Where a solvent spray is used, such spraying shall be: 1. Operated at a pressure which does not exceed 10 psig as measured at the pump outlet; and2. Performed only within the confines of the degreasing unit;g. Sponges, fabric, wood, leather, paper products, and other absorbent materials shall not be cleaned in a cold cleaning machine;h. No solvent shall be used if it has a vapor pressure of 1.0 millimeters of mercury (mm Hg) or greater, measured at 20°C, equivalent to 68°F; andi. The operator of a cold cleaning machine shall maintain for not less than 2 years and shall provide to the department, on request:1. The information specified in (c)(1), below, in the form of an invoice, bill of sale, or certificate that corresponds to a number of sales; and2. The material safety data sheet (MSDS) as specified in (c)(2), below; and(3) If the cold cleaning machine can hold more than 7.5 liters, control equipment shall include the following: a. A tank cover that is easily operated with one hand; andb. An internally mounted drainage device that operates such that parts to be cleaned are enclosed under the cover while draining, except that the drainage device may be external for applications where an internal type cannot fit into the cleaning system. (b) No person shall sell or offer for sale for use in a cold cleaning machine in New Hampshire any solvent having a vapor pressure of 1.0 mm Hg or greater, measured at 20oC, equivalent to 68oF.(c) Any person who sells or offers for sale any solvent for use in a cold cleaning machine in New Hampshire shall provide, to the purchaser, the following written information: (1) The name and address of the solvent supplier; and(2) A MSDS listing the type of solvent, the product or vendor identification number, and the vapor pressure of the solvent measured in mm Hg at 20°C, equivalent to 68°F.N.H. Code Admin. R. Env-A 1221.02
(See Revision Note at chapter heading for Env-A 1200) #9933, eff 6-1-11
Amended by Volume XXXIX Number 46, Filed November 14, 2019, Proposed by #12899, Effective 10/17/2019, Expires 10/17/2029