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H-R Industries

Year Submitted: 2003

Process: Circuit Board Soldering

Industry: Electronics Manufacturing

Wastes Reduced: Wastewater

Substance: Tin/Lead

Equipment: Etch Resist

Location: Richardson TX

No. of employees: 100

Contact: Gary C. Roper

Phone: (214) 301-6600



Description:

1

P2 Application:

1

Environmental Benefits:

The process change reduced the amount of lead in the waste water treatment sludge by 5,000 pounds per year just from rinse water. This reduced sludge generation by 52 drums per year. The 3,300 gallons of stripping solution which averaged over 10 g/l was condensed and disposed of off-site. Now that the stripping solution no longer contains lead it is treated in house with other corrosive solutions, reducing the lead waste by 275 pounds per year and reducing liability

Video: 1

Details of Reductions

Additional Information :

1

Source: TCEQ
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