As you begin the Spring process of assessing gardening supplies and begin outdoor home maintenance, you may note that many products are now beyond their expiration date. Substances used for these purposes contain toxic chemicals. If you are in need of a free way to dispose of these substances, please note the information below. I used the services on the northwest side of Indianapolis earlier in April. I found the drop-off site well-manned, the folks knowledgeable, and the whole process very stream-lined.