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Backus, Garrett [EHD] From: Backus, Garrett [EHD] Sent: Thursday, September 24, 2020 3:52 PM To: Charles Galea Cc: Julie Jeleti Subject: RE:Aqueous Ammonia 19% SDS Charles, In response to your dilution of the ammonia question, if the ammonia is hazardous waste when you dilute it then you need an additional hazardous waste treatment permit or you can ship the diluted ammonia off-site as hazardous waste. So, either you'll have more waste to dispose of as hazardous waste or you need an additional treatment permit with my department. If you don't dilute the ammonia then you just need a hazardous waste generator permit with my department and dispose of the smaller amount of hazardous waste properly. Here are the regulatory details: California Health &Safety Code (HSC) section 25201(a) No owner or operator of a storage facility or treatment facility shall treat, store, or dispose of a hazardous waste at the facility, unless the owner or operator holds a hazardous waste facilities permit or other grant of authorization from the department to use and operate the facility, or the owner or operator is operating under a permit-by-rule pursuant to the department's regulations, or a grant of conditional authorization or conditional exemption pursuant to this chapter. Title 22 California Code of Regulations section 66260.10 "Treatment" means any method,technique, or process which changes or is designed to change the physical, chemical, or biological character or composition of any hazardous waste or any material contained therein, or removes or reduces its harmful properties or characteristics for any purpose including, but not limited to, energy recovery, material recovery or reduction in volume. California Health &Safety Code (HSC) section 25123.5 (a) Except as provided in subdivisions (b) and (c), "treatment" means any method,technique, or process which is not otherwise excluded from the definition of treatment by this chapter and which is designed to change the physical, chemical, or biological character or composition of any hazardous waste or any material contained therein, or which removes or reduces its harmful properties or characteristics for any purpose. (b) (1) "Treatment" does not include any of the activities listed in paragraph (2), if one of the following requirements is met: (A) The activity is conducted onsite in accordance with the requirements of this chapter and the department's regulations adopted pursuant to this chapter governing the generation and accumulation of hazardous waste. (B) The activity is conducted in accordance with the conditions specified in a permit issued by the department for the storage of hazardous waste. i